MKS Inc. Common Stock
MKSI Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News
Income
Balance Sheet
Cash Flow
Revenue Breakdown
Recent trades of MKSI by members of U.S. Congress
MKSI Stock Insider Trading Activity
Follow @QuiverQuant for major insider updates
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MKSI Stock Institutional Owners
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MKSI Derivatives Institutional Owners
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Recently reported changes in MKSI holdings by institutional investors
Quarterly net insider trading by MKSI's directors and management
* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.
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- 3M
- 6M
- YTD
- 1Y
- 2Y
- 5Y
- MAX
About
Backtest Start Date
Key Metrics
Return (1d)
Return (30d)
Return (1Y)
CAGR (Total)
Max Drawdown
Beta
Alpha
Sharpe Ratio
Win Rate
Average Win
Average Loss
Annual Volatility
Annual Std Dev
Information Ratio
Treynor Ratio
Total Trades
Metrics Definitions
Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.
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Alpha
Measures a portfolio's risk-adjusted performance against that of its benchmark
Learn More about Alpha -
Annual Standard Deviation
Measures how much the portfolio's total return varies from its mean or average.
Learn More about Annual Standard Deviation -
Annual Volatility
A statistical measure of the dispersion of returns for the portfolio.
Learn More about Annual Volatility -
Average Win
The average return (%) for trades that resulted in a positive return.
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Average Loss
The average return (%) for trades that resulted in a negative return.
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Beta
A measure of the volatility of the portfolio compared to the market as a whole.
Learn More about Beta -
CAGR
CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.
Learn More about CAGR -
Information Ratio
A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.
Learn More about Information Ratio -
Max Drawdown
the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.
Learn More about Max Drawdown -
Sharpe Ratio
The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.
Learn More about Sharpe Ratio -
Total Trades
The total number of trades made by this strategy.
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Treynor Ratio
Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.
Learn More about Treynor Ratio -
Win Rate
The percentage of total trades that resulted in a positive return.
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Government lobbying spending instances
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$15,000 Jul 13, 2018 Issue: Homeland Security Defense
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$15,000 Apr 19, 2018 Issue: Homeland Security Defense
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$15,000 Jan 05, 2018 Issue: Homeland Security Defense
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$5,000 Oct 18, 2017 Issue: Defense Homeland Security
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$10,000 Apr 11, 2017 Issue: Defense Homeland Security
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$10,000 Jan 12, 2017 Issue: Homeland Security Defense
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$10,000 Oct 19, 2016 Issue: Defense Homeland Security
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$12,000 Oct 11, 2012 Issue: Budget/Appropriations
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$18,000 Jul 05, 2012 Issue: Budget/Appropriations
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$18,000 Apr 02, 2012 Issue: Budget/Appropriations
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$18,000 Jan 19, 2012 Issue: Energy/Nuclear
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$18,000 Oct 03, 2011 Issue: Energy/Nuclear
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$18,000 Jul 15, 2011 Issue: Science/Technology
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$18,000 Apr 14, 2011 Issue: Budget/Appropriations
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$6,000 Jan 10, 2011 Issue: None
Former government officials who have lobbied for MKSI
MKSI Estimated quarterly lobbying spending
MKSI Revenue by Segment or Geography
By Segment
By Geography
MKSI Income Statement
MKSI Balance Sheet
MKSI Cash Flow
U.S. Patents
New MKSI patent grants
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Patent Title: Toroidal plasma abatement apparatus and method Jun. 05, 2018
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Patent Title: Systems, methods, and apparatus for optical hydrocarbon gas composition monitoring May. 01, 2018
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Patent Title: Ionization gauge for high pressure operation Apr. 24, 2018
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Patent Title: Upstream volume mass flow verification systems and methods Apr. 24, 2018
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Patent Title: Plasma rf bias cancellation system Apr. 17, 2018
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Patent Title: Radial sealing butterfly valve Apr. 17, 2018
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Patent Title: Ionization pressure gauge with bias voltage and emission current control and measurement Mar. 27, 2018
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Patent Title: Supervisory control of radio frequency (rf) impedance tuning operation Jan. 23, 2018
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Patent Title: Compact, configurable power supply for energizing ozone-producing cells Jan. 09, 2018
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Patent Title: Stress relief mems structure and package Dec. 26, 2017
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Patent Title: System for and method of monitoring flow through mass flow controllers in real time Dec. 19, 2017
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Patent Title: Compact microwave plasma applicator utilizing conjoining electric fields Nov. 28, 2017
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Patent Title: Trans-impedance amplifier with increased dynamic range Oct. 31, 2017
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Patent Title: Cold cathode ionization vacuum gauge Oct. 24, 2017
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Patent Title: Pressure-less ozonated di-water (dio Oct. 24, 2017
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Patent Title: Power supply circuits incorporating transformers for combining of power amplifier outputs and isolation of load voltage clamping circuits Aug. 29, 2017
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Patent Title: Systems and methods for pressure differential molecular spectroscopy of compressible fluids Aug. 22, 2017
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Patent Title: Apparatus and method for plasma ignition with a self-resonating device Aug. 15, 2017
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Patent Title: Unified rf power delivery single input, multiple output control for continuous and pulse mode operation Aug. 01, 2017
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Patent Title: Trace gas concentration in art ms traps Jul. 25, 2017
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Patent Title: Streamlined heater assembly with front and intermediate daisy chain power injection, shielding, and water resistant features Jun. 20, 2017
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Patent Title: Cold cathode ionization vacuum gauge Jun. 06, 2017
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Patent Title: Microwave plasma applicator with improved power uniformity May. 16, 2017
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Patent Title: Multiplex tunable filter spectrometer May. 16, 2017
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Patent Title: Direct three phase parallel resonant inverter for reactive gas generator applications May. 09, 2017
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Patent Title: Toroidal plasma abatement apparatus and method Apr. 25, 2017
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Patent Title: Sputtering system and method including an arc detection Apr. 04, 2017
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Patent Title: Pressure-less ozonated di-water (dio Mar. 21, 2017
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Patent Title: Solid state microwave generator and power amplifier Mar. 14, 2017
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Patent Title: Ionization gauge for high pressure operation Mar. 14, 2017
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Patent Title: Long lifetime cold cathode ionization vacuum gauge design Mar. 07, 2017
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Patent Title: Ozone generator Feb. 28, 2017
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Patent Title: Pressure sensor with real time health monitoring and compensation Feb. 07, 2017
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Patent Title: System for and method of monitoring flow through mass flow controllers in real time Jan. 31, 2017
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Patent Title: Multivariate prediction of a batch manufacturing process Jan. 10, 2017
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Patent Title: Feedback control and coherency of multiple power supplies in radio frequency power delivery systems for pulsed mode schemes in thin film processing Nov. 29, 2016
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Patent Title: Stress relief mems structure and package Nov. 22, 2016
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Patent Title: Lcl high power combiner Oct. 25, 2016
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Patent Title: Pilot valve structures and mass flow controllers Oct. 25, 2016
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Patent Title: System for and method of providing pressure insensitive self verifying mass flow controller Oct. 18, 2016
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Patent Title: Multivariate monitoring of a batch manufacturing process Aug. 30, 2016
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Patent Title: Ionization gauge with operational parameters and geometry designed for high pressure operation Aug. 02, 2016
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Patent Title: Ionization gauge with emission current and bias potential control Jul. 05, 2016
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Patent Title: Method and apparatus for siloxane measurements in a biogas Jun. 21, 2016
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Patent Title: Method and apparatus for multiple-channel pulse gas delivery system May. 24, 2016
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Patent Title: Multiple radio frequency power supply control of frequency and phase May. 10, 2016
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Patent Title: Micro-pirani vacuum gauges May. 10, 2016
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Patent Title: Vacuum quality measurement system Apr. 26, 2016
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Patent Title: Secondary plasma detection systems and methods Apr. 19, 2016
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Patent Title: Powder and deposition control in throttle valves Apr. 19, 2016
Government Contracts
Federal grants, loans, and purchases
Government Contracts
Estimated quarterly amount awarded to MKSI from public contracts
MKSI News
Recent insights relating to MKSI
CNBC Recommendations
Recent picks made for MKSI stock on CNBC
Top ETF Holders
ETFs with the largest estimated holdings in MKSI
MKSI Analyst Ratings
MKSI Stock Forecasts
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- ... Highest Price Target
- ... Median Price Target
- ... Lowest Price Target
MKSI Analyst Forecasts
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Frequently Asked Questions
- Is $MKSI stock a Buy, Sell, or Hold?
- What is the price target for $MKSI stock?
* Analyst consensus is not financial advice. Please see our data disclaimers .
MKSI Top Shareholders
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Frequently Asked Questions
- Who owns $MKSI stock?
- Who owns the most shares of $MKSI stock?
- What funds own $MKSI stock?
* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.
MKSI Stock Smart Score
The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.
The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case
See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.
Example:
Bulls Say:
The Bulls Say summary highlights positive aspects of the stock.
Bears Say:
The Bears Say summary points out potential risks and negative aspects of the stock.
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About MKSI
MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance and optimize productivity. Its solutions address challenges of miniaturization and complexity in device manufacturing, enabling increased power, speed, and feature enhancement. MKS Inc operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The company operates in the United States, which generates maximum revenue, as well as China and other countries.
- Address Andover, MA
- Market Cap 17.8 billion
- Employees 10,300
- Industrial Classification Industrial Instruments For Measurement, Display, And Control
MKS Inc. Common Stock (MKSI) Historical Stock Prices
MKS Inc. Common Stock (MKSI) closed at $262.72 on September 23, 2026. Over the past year its adjusted close ranged from $120.76 to $444.39. Daily prices go back to January 2, 2014, 3,200 trading days in all.
- 1 month-2.27%
- 3 months-31.09%
- Year to date+64.84%
- 1 year+105.26%
- 3 years+217.54%
- 5 years+77.80%
- Max+901.60%
See every congressional and insider trade on the MKSI price chart
Quiver Premium charts MKSI's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.
Upgrade to Premium| Date | Open | High | Low | Close | Adj. Close | Volume |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 260.37 | 263.78 | 253.41 | 262.72 | 262.72 | 1,534,322 |
| Sep 22, 2026 | 253.50 | 260.66 | 252.60 | 260.37 | 260.37 | 2,709,586 |
| Sep 21, 2026 | 258.20 | 259.00 | 251.79 | 256.92 | 256.92 | 948,161 |
| Sep 18, 2026 | 244.03 | 252.38 | 243.00 | 252.08 | 252.08 | 2,231,364 |
| Sep 17, 2026 | 245.50 | 250.84 | 238.44 | 240.23 | 240.23 | 1,026,777 |
| Sep 16, 2026 | 237.80 | 240.48 | 232.03 | 235.28 | 235.28 | 960,065 |
| Sep 15, 2026 | 242.60 | 242.60 | 228.46 | 231.50 | 231.50 | 1,632,355 |
| Sep 14, 2026 | 248.32 | 250.49 | 238.29 | 239.27 | 239.27 | 1,175,742 |
| Sep 11, 2026 | 267.86 | 270.29 | 264.74 | 267.31 | 267.31 | 1,247,889 |
| Sep 10, 2026 | 260.83 | 265.60 | 258.79 | 261.84 | 261.84 | 961,346 |
| Sep 9, 2026 | 262.34 | 269.78 | 262.34 | 268.05 | 268.05 | 1,201,869 |
| Sep 8, 2026 | 264.06 | 270.17 | 260.35 | 265.50 | 265.50 | 1,752,638 |
| Sep 4, 2026 | 255.14 | 260.94 | 253.97 | 260.31 | 260.31 | 1,689,425 |
| Sep 3, 2026 | 247.10 | 250.78 | 241.51 | 249.65 | 249.65 | 1,137,004 |
| Sep 2, 2026 | 247.30 | 252.98 | 245.90 | 251.38 | 251.38 | 1,089,962 |
| Sep 1, 2026 | 250.96 | 252.09 | 243.72 | 246.44 | 246.44 | 1,644,232 |
| Aug 31, 2026 | 258.38 | 259.38 | 254.48 | 256.24 | 256.24 | 977,647 |
| Aug 28, 2026 | 268.08 | 269.36 | 255.14 | 255.76 | 255.76 | 1,407,551 |
| Aug 27, 2026 | 279.03 | 282.56 | 268.44 | 270.99 | 270.99 | 792,101 |
| Aug 26, 2026 | 270.12 | 275.17 | 266.52 | 271.75 | 271.75 | 1,703,554 |
| Aug 25, 2026$0.25 dividend | 274.93 | 274.93 | 266.25 | 270.48 | 270.48 | 1,157,627 |
| Aug 24, 2026 | 271.50 | 274.00 | 264.54 | 269.06 | 268.81 | 1,884,336 |
| Aug 21, 2026 | 282.60 | 285.47 | 274.88 | 279.11 | 278.85 | 928,026 |
| Aug 20, 2026 | 280.91 | 284.54 | 274.31 | 281.88 | 281.62 | 1,113,251 |
| Aug 19, 2026 | 304.16 | 304.16 | 278.23 | 281.60 | 281.34 | 1,535,867 |
| Aug 18, 2026 | 303.87 | 309.14 | 294.68 | 300.24 | 299.96 | 1,426,296 |
| Aug 17, 2026 | 315.42 | 325.24 | 313.11 | 320.74 | 320.44 | 1,172,574 |
| Aug 14, 2026 | 302.01 | 312.08 | 302.01 | 310.73 | 310.44 | 1,178,613 |
| Aug 13, 2026 | 306.99 | 316.38 | 305.56 | 306.29 | 306.01 | 946,846 |
| Aug 12, 2026 | 312.90 | 317.00 | 305.55 | 306.83 | 306.55 | 1,210,822 |
| Aug 11, 2026 | 299.03 | 300.71 | 290.75 | 294.38 | 294.11 | 698,759 |
| Aug 10, 2026 | 304.92 | 309.84 | 292.09 | 292.35 | 292.08 | 1,068,534 |
| Aug 7, 2026 | 301.18 | 310.43 | 298.00 | 304.99 | 304.71 | 1,269,658 |
| Aug 6, 2026 | 291.02 | 309.67 | 285.58 | 291.31 | 291.04 | 2,840,272 |
| Aug 5, 2026 | 319.23 | 329.35 | 311.86 | 313.10 | 312.81 | 2,366,180 |
| Aug 4, 2026 | 327.27 | 329.34 | 320.45 | 320.76 | 320.46 | 2,892,303 |
| Aug 3, 2026 | 288.31 | 313.46 | 288.31 | 309.98 | 309.69 | 1,404,670 |
| Jul 31, 2026 | 310.00 | 314.69 | 294.15 | 297.45 | 297.18 | 1,143,074 |
| Jul 30, 2026 | 288.80 | 297.57 | 284.78 | 293.30 | 293.03 | 3,027,600 |
| Jul 29, 2026 | 280.97 | 290.51 | 256.16 | 257.61 | 257.37 | 2,510,384 |
| Jul 28, 2026 | 296.31 | 296.91 | 277.01 | 285.31 | 285.05 | 1,990,201 |
| Jul 27, 2026 | 330.15 | 334.00 | 298.38 | 315.70 | 315.41 | 1,391,385 |
| Jul 24, 2026 | 341.09 | 345.13 | 326.07 | 329.18 | 328.88 | 849,716 |
| Jul 23, 2026 | 338.49 | 348.43 | 336.74 | 345.30 | 344.98 | 752,096 |
| Jul 22, 2026 | 330.74 | 349.01 | 328.43 | 344.84 | 344.52 | 801,307 |
| Jul 21, 2026 | 347.28 | 347.45 | 333.72 | 345.44 | 345.12 | 1,106,515 |
| Jul 20, 2026 | 330.88 | 338.98 | 322.75 | 324.28 | 323.98 | 812,897 |
| Jul 17, 2026 | 315.02 | 330.61 | 307.10 | 324.69 | 324.39 | 1,893,433 |
| Jul 16, 2026 | 336.12 | 349.07 | 327.38 | 332.00 | 331.69 | 1,112,182 |
| Jul 15, 2026 | 366.49 | 374.12 | 336.76 | 353.80 | 353.47 | 1,403,157 |
| Jul 14, 2026 | 373.21 | 373.21 | 353.20 | 358.43 | 358.10 | 828,599 |
| Jul 13, 2026 | 352.51 | 358.48 | 346.07 | 352.03 | 351.70 | 851,882 |
| Jul 10, 2026 | 357.94 | 371.44 | 355.00 | 368.58 | 368.24 | 862,769 |
| Jul 9, 2026 | 370.14 | 380.50 | 366.27 | 368.78 | 368.44 | 1,257,065 |
| Jul 8, 2026 | 341.50 | 358.21 | 341.50 | 349.39 | 349.07 | 1,228,277 |
| Jul 7, 2026 | 342.86 | 353.00 | 329.01 | 349.57 | 349.25 | 1,886,573 |
| Jul 6, 2026 | 375.84 | 385.58 | 364.67 | 368.06 | 367.72 | 1,277,801 |
| Jul 2, 2026 | 408.00 | 408.92 | 355.08 | 365.56 | 365.22 | 2,168,108 |
| Jul 1, 2026 | 424.61 | 428.96 | 406.68 | 411.05 | 410.67 | 1,536,042 |
| Jun 30, 2026 | 425.78 | 447.62 | 418.48 | 444.80 | 444.39 | 2,230,535 |
| Jun 29, 2026 | 393.18 | 419.95 | 384.74 | 416.00 | 415.62 | 2,105,903 |
| Jun 26, 2026 | 394.14 | 401.05 | 385.00 | 388.61 | 388.25 | 2,025,794 |
| Jun 25, 2026 | 408.00 | 414.64 | 383.38 | 410.31 | 409.93 | 2,437,821 |
| Jun 24, 2026 | 390.54 | 395.75 | 376.83 | 381.62 | 381.27 | 1,804,663 |
| Jun 23, 2026 | 388.69 | 394.47 | 382.56 | 389.17 | 388.81 | 1,641,092 |
| Jun 22, 2026 | 413.50 | 421.58 | 407.00 | 420.56 | 420.17 | 1,547,005 |
| Jun 18, 2026 | 386.56 | 408.87 | 382.00 | 406.37 | 406.00 | 2,127,039 |
| Jun 17, 2026 | 383.99 | 386.01 | 369.85 | 371.26 | 370.92 | 1,196,916 |
| Jun 16, 2026 | 375.00 | 379.99 | 365.36 | 366.31 | 365.97 | 1,090,149 |
| Jun 15, 2026 | 367.88 | 377.66 | 367.88 | 375.32 | 374.97 | 915,164 |
| Jun 12, 2026 | 345.32 | 359.35 | 341.45 | 355.69 | 355.36 | 961,425 |
| Jun 11, 2026 | 326.74 | 347.27 | 326.10 | 345.32 | 345.00 | 1,005,552 |
| Jun 10, 2026 | 317.42 | 333.69 | 310.36 | 316.07 | 315.78 | 1,270,123 |
| Jun 9, 2026 | 320.44 | 332.00 | 298.00 | 320.96 | 320.66 | 1,205,404 |
| Jun 8, 2026 | 314.99 | 339.92 | 309.02 | 312.09 | 311.80 | 1,099,657 |
| Jun 5, 2026 | 315.23 | 318.88 | 300.11 | 301.65 | 301.37 | 955,719 |
| Jun 4, 2026 | 321.01 | 335.83 | 318.01 | 330.23 | 329.93 | 679,273 |
| Jun 3, 2026$0.25 dividend | 339.40 | 341.81 | 326.81 | 335.15 | 334.84 | 716,706 |
| Jun 2, 2026 | 324.36 | 334.49 | 320.38 | 331.36 | 330.81 | 1,125,569 |
| Jun 1, 2026 | 318.02 | 319.31 | 309.46 | 317.62 | 317.09 | 1,037,103 |
| May 29, 2026 | 325.99 | 329.75 | 317.16 | 324.26 | 323.72 | 1,204,480 |
| May 28, 2026 | 327.41 | 330.25 | 316.35 | 323.41 | 322.87 | 1,106,907 |
| May 27, 2026 | 338.58 | 339.00 | 321.44 | 328.01 | 327.46 | 911,291 |
| May 26, 2026 | 330.50 | 334.80 | 326.45 | 334.11 | 333.55 | 861,070 |
| May 22, 2026 | 315.48 | 322.00 | 311.75 | 320.62 | 320.08 | 835,816 |
| May 21, 2026 | 311.51 | 314.04 | 307.18 | 313.16 | 312.64 | 1,361,932 |
| May 20, 2026 | 302.00 | 312.74 | 300.09 | 311.51 | 310.99 | 1,129,951 |
| May 19, 2026 | 289.56 | 294.26 | 280.83 | 294.04 | 293.55 | 1,495,004 |
| May 18, 2026 | 314.51 | 315.12 | 290.00 | 295.70 | 295.21 | 1,486,353 |
| May 15, 2026 | 301.43 | 304.71 | 295.08 | 303.17 | 302.66 | 1,214,573 |
| May 14, 2026 | 317.31 | 317.43 | 308.51 | 313.81 | 313.29 | 984,259 |
| May 13, 2026 | 318.99 | 321.52 | 311.66 | 317.31 | 316.78 | 923,780 |
| May 12, 2026 | 312.78 | 313.38 | 298.15 | 311.72 | 311.20 | 1,480,108 |
| May 11, 2026 | 313.47 | 321.65 | 313.47 | 319.71 | 319.18 | 1,227,047 |
| May 8, 2026 | 318.70 | 324.42 | 308.83 | 313.21 | 312.69 | 1,736,811 |
| May 7, 2026 | 316.17 | 326.83 | 295.77 | 300.79 | 300.29 | 2,327,555 |
| May 6, 2026 | 294.92 | 294.92 | 280.50 | 293.77 | 293.28 | 2,303,432 |
| May 5, 2026 | 297.02 | 298.00 | 280.18 | 287.65 | 287.17 | 1,537,423 |
| May 4, 2026 | 277.72 | 292.12 | 277.55 | 291.53 | 291.04 | 1,908,899 |
| May 1, 2026 | 282.98 | 285.67 | 275.04 | 279.38 | 278.91 | 1,300,898 |
| Apr 30, 2026 | 270.18 | 284.14 | 263.73 | 283.75 | 283.28 | 1,632,571 |
| Apr 29, 2026 | 273.88 | 278.91 | 261.23 | 265.44 | 265.00 | 796,663 |
| Apr 28, 2026 | 268.88 | 277.00 | 264.45 | 267.90 | 267.45 | 1,078,299 |
| Apr 27, 2026 | 282.57 | 283.61 | 267.94 | 278.36 | 277.90 | 817,585 |
| Apr 24, 2026 | 290.00 | 294.05 | 279.38 | 280.98 | 280.51 | 845,450 |
| Apr 23, 2026 | 280.28 | 287.00 | 272.97 | 280.56 | 280.09 | 1,208,149 |
| Apr 22, 2026 | 280.97 | 282.62 | 266.85 | 278.45 | 277.99 | 1,704,302 |
| Apr 21, 2026 | 283.57 | 289.49 | 271.19 | 273.77 | 273.31 | 957,319 |
| Apr 20, 2026 | 279.01 | 285.82 | 278.00 | 279.93 | 279.46 | 946,469 |
| Apr 17, 2026 | 277.17 | 281.77 | 275.00 | 278.59 | 278.12 | 947,849 |
| Apr 16, 2026 | 267.92 | 272.50 | 263.00 | 269.89 | 269.44 | 1,372,385 |
| Apr 15, 2026 | 269.57 | 272.92 | 261.89 | 269.00 | 268.55 | 784,452 |
| Apr 14, 2026 | 275.97 | 277.94 | 269.95 | 274.15 | 273.69 | 1,001,709 |
| Apr 13, 2026 | 266.64 | 273.55 | 265.28 | 273.18 | 272.72 | 561,128 |
| Apr 10, 2026 | 268.26 | 272.71 | 266.00 | 268.77 | 268.32 | 789,057 |
| Apr 9, 2026 | 255.22 | 267.06 | 255.22 | 263.25 | 262.81 | 1,058,552 |
| Apr 8, 2026 | 256.99 | 260.99 | 250.00 | 256.01 | 255.58 | 1,569,977 |
| Apr 7, 2026 | 233.96 | 241.90 | 232.92 | 238.17 | 237.77 | 811,283 |
| Apr 6, 2026 | 236.11 | 240.82 | 233.12 | 236.98 | 236.59 | 523,478 |
| Apr 2, 2026 | 222.42 | 241.11 | 222.42 | 234.66 | 234.27 | 885,252 |
| Apr 1, 2026 | 234.57 | 240.00 | 233.10 | 235.96 | 235.57 | 1,014,749 |
| Mar 31, 2026 | 217.46 | 231.16 | 215.00 | 229.81 | 229.43 | 1,235,770 |
| Mar 30, 2026 | 227.97 | 227.97 | 208.47 | 210.47 | 210.12 | 1,250,461 |
| Mar 27, 2026 | 222.08 | 228.57 | 221.16 | 223.18 | 222.81 | 722,008 |
| Mar 26, 2026 | 237.00 | 239.21 | 224.04 | 225.12 | 224.74 | 1,111,341 |
| Mar 25, 2026 | 244.64 | 245.70 | 236.00 | 243.68 | 243.27 | 741,518 |
| Mar 24, 2026 | 231.49 | 247.90 | 229.08 | 243.56 | 243.15 | 895,859 |
| Mar 23, 2026 | 234.87 | 243.50 | 232.61 | 235.02 | 234.63 | 823,463 |
| Mar 20, 2026 | 235.70 | 237.95 | 222.10 | 227.13 | 226.75 | 1,882,830 |
| Mar 19, 2026 | 224.32 | 239.36 | 220.14 | 236.85 | 236.46 | 1,495,374 |
| Mar 18, 2026 | 231.21 | 235.25 | 228.23 | 233.39 | 233.00 | 1,280,010 |
| Mar 17, 2026 | 223.20 | 230.62 | 220.74 | 228.89 | 228.51 | 1,053,063 |
| Mar 16, 2026 | 218.99 | 227.46 | 217.92 | 221.96 | 221.59 | 1,522,763 |
| Mar 13, 2026 | 216.69 | 224.72 | 212.08 | 213.45 | 213.09 | 757,418 |
| Mar 12, 2026 | 218.93 | 220.71 | 211.09 | 213.49 | 213.13 | 1,527,149 |
| Mar 11, 2026 | 222.97 | 230.97 | 221.50 | 224.27 | 223.90 | 1,051,229 |
| Mar 10, 2026 | 220.33 | 233.42 | 220.09 | 225.28 | 224.90 | 1,221,718 |
| Mar 9, 2026 | 203.88 | 220.54 | 200.50 | 218.36 | 218.00 | 2,051,404 |
| Mar 6, 2026 | 220.33 | 224.29 | 208.95 | 210.00 | 209.65 | 1,783,188 |
| Mar 5, 2026 | 230.03 | 238.35 | 223.19 | 230.45 | 230.07 | 1,333,086 |
| Mar 4, 2026 | 237.16 | 239.98 | 231.62 | 235.23 | 234.84 | 1,137,856 |
| Mar 3, 2026 | 235.64 | 239.26 | 228.56 | 232.56 | 232.17 | 1,407,639 |
| Mar 2, 2026 | 239.44 | 246.98 | 238.00 | 244.26 | 243.85 | 1,069,596 |
| Feb 27, 2026 | 239.00 | 245.00 | 237.91 | 244.46 | 244.05 | 1,862,043 |
| Feb 26, 2026 | 255.01 | 256.77 | 238.88 | 244.68 | 244.27 | 2,139,711 |
| Feb 25, 2026 | 256.68 | 258.86 | 252.33 | 255.91 | 255.48 | 1,097,665 |
| Feb 24, 2026 | 255.00 | 258.00 | 249.06 | 251.41 | 250.99 | 1,359,576 |
| Feb 23, 2026$0.25 dividend | 258.98 | 260.68 | 248.62 | 253.71 | 253.29 | 895,720 |
| Feb 20, 2026 | 247.55 | 263.36 | 247.00 | 259.27 | 258.58 | 1,950,303 |
| Feb 19, 2026 | 251.86 | 254.76 | 245.15 | 249.08 | 248.42 | 1,447,620 |
| Feb 18, 2026 | 243.38 | 261.00 | 242.20 | 250.36 | 249.70 | 3,024,164 |
| Feb 17, 2026 | 257.68 | 269.91 | 253.20 | 262.94 | 262.24 | 3,505,418 |
| Feb 13, 2026 | 249.25 | 263.90 | 248.56 | 260.74 | 260.05 | 1,663,240 |
| Feb 12, 2026 | 261.01 | 264.44 | 247.50 | 249.42 | 248.76 | 1,343,029 |
| Feb 11, 2026 | 257.90 | 266.08 | 252.39 | 259.05 | 258.36 | 2,237,726 |
| Feb 10, 2026 | 258.35 | 259.70 | 246.10 | 252.52 | 251.85 | 1,641,155 |
| Feb 9, 2026 | 241.71 | 251.99 | 239.35 | 250.60 | 249.94 | 1,336,270 |
| Feb 6, 2026 | 231.91 | 244.06 | 231.34 | 242.96 | 242.32 | 1,510,410 |
| Feb 5, 2026 | 216.77 | 230.36 | 213.49 | 226.83 | 226.23 | 1,785,186 |
| Feb 4, 2026 | 232.26 | 237.93 | 212.91 | 220.00 | 219.42 | 2,359,265 |
| Feb 3, 2026 | 239.76 | 241.18 | 225.82 | 229.58 | 228.97 | 1,941,857 |
| Feb 2, 2026 | 231.71 | 242.18 | 228.00 | 233.57 | 232.95 | 3,561,832 |
| Jan 30, 2026 | 238.95 | 245.96 | 233.09 | 235.41 | 234.79 | 1,518,398 |
| Jan 29, 2026 | 238.64 | 246.35 | 235.86 | 243.88 | 243.23 | 2,639,034 |
| Jan 28, 2026 | 233.62 | 239.39 | 231.34 | 236.05 | 235.42 | 2,885,329 |
| Jan 27, 2026 | 221.16 | 232.81 | 220.50 | 229.60 | 228.99 | 2,247,165 |
| Jan 26, 2026 | 217.73 | 220.49 | 215.17 | 218.70 | 218.12 | 1,048,877 |
| Jan 23, 2026 | 223.00 | 223.00 | 214.08 | 217.06 | 216.49 | 1,317,822 |
| Jan 22, 2026 | 230.33 | 233.11 | 216.31 | 223.00 | 222.41 | 1,885,228 |
| Jan 21, 2026 | 215.96 | 221.07 | 210.91 | 220.73 | 220.15 | 1,957,896 |
| Jan 20, 2026 | 200.44 | 212.59 | 200.00 | 210.66 | 210.10 | 1,799,516 |
| Jan 16, 2026 | 209.37 | 210.42 | 200.14 | 203.99 | 203.45 | 1,611,991 |
| Jan 15, 2026 | 205.00 | 211.08 | 202.32 | 205.26 | 204.72 | 2,046,466 |
| Jan 14, 2026 | 190.86 | 192.82 | 186.58 | 190.30 | 189.80 | 845,013 |
| Jan 13, 2026 | 187.85 | 193.39 | 185.00 | 193.28 | 192.77 | 1,134,467 |
| Jan 12, 2026 | 183.40 | 188.71 | 183.40 | 185.92 | 185.43 | 610,021 |
| Jan 9, 2026 | 180.68 | 186.71 | 180.51 | 186.08 | 185.59 | 640,453 |
| Jan 8, 2026 | 181.00 | 181.00 | 174.09 | 178.98 | 178.51 | 532,084 |
| Jan 7, 2026 | 180.31 | 183.33 | 179.57 | 183.22 | 182.73 | 646,769 |
| Jan 6, 2026 | 177.34 | 185.09 | 177.34 | 183.50 | 183.01 | 1,045,977 |
| Jan 5, 2026 | 172.05 | 176.37 | 170.76 | 176.19 | 175.72 | 1,062,541 |
| Jan 2, 2026 | 164.54 | 169.54 | 164.54 | 168.36 | 167.91 | 881,590 |
| Dec 31, 2025 | 162.11 | 162.43 | 159.56 | 159.80 | 159.38 | 536,136 |
| Dec 30, 2025 | 163.15 | 163.84 | 161.60 | 161.82 | 161.39 | 417,294 |
| Dec 29, 2025 | 162.04 | 163.70 | 160.74 | 162.81 | 162.38 | 332,856 |
| Dec 26, 2025 | 164.45 | 164.87 | 162.68 | 164.19 | 163.75 | 285,211 |
| Dec 24, 2025 | 163.06 | 164.40 | 161.13 | 163.40 | 162.97 | 197,067 |
| Dec 23, 2025 | 160.30 | 164.03 | 160.00 | 162.92 | 162.49 | 850,574 |
| Dec 22, 2025 | 162.49 | 163.50 | 160.02 | 161.99 | 161.56 | 697,586 |
| Dec 19, 2025 | 157.61 | 161.08 | 157.61 | 159.56 | 159.14 | 1,210,448 |
| Dec 18, 2025 | 155.36 | 158.28 | 153.55 | 157.01 | 156.59 | 1,291,173 |
| Dec 17, 2025 | 157.67 | 158.25 | 146.90 | 148.70 | 148.31 | 1,313,531 |
| Dec 16, 2025 | 159.62 | 160.78 | 154.19 | 156.25 | 155.84 | 859,828 |
| Dec 15, 2025 | 159.26 | 160.55 | 156.93 | 159.31 | 158.89 | 1,005,642 |
| Dec 12, 2025 | 164.37 | 165.89 | 153.12 | 155.77 | 155.36 | 1,442,018 |
| Dec 11, 2025 | 166.49 | 168.49 | 163.00 | 166.80 | 166.36 | 716,838 |
| Dec 10, 2025 | 165.05 | 170.37 | 164.83 | 167.88 | 167.44 | 929,236 |
| Dec 9, 2025 | 164.15 | 166.95 | 162.65 | 165.19 | 164.75 | 947,039 |
| Dec 8, 2025 | 164.82 | 167.27 | 162.78 | 164.40 | 163.96 | 669,008 |
| Dec 5, 2025 | 165.00 | 165.95 | 162.15 | 162.94 | 162.51 | 809,059 |
| Dec 4, 2025 | 161.44 | 164.06 | 160.56 | 163.35 | 162.92 | 843,636 |
| Dec 3, 2025 | 161.25 | 164.79 | 158.88 | 163.40 | 162.97 | 877,775 |
| Dec 2, 2025 | 158.81 | 162.85 | 156.86 | 160.97 | 160.54 | 1,005,876 |
| Dec 1, 2025 | 155.96 | 158.70 | 154.00 | 155.94 | 155.53 | 1,000,977 |
| Nov 28, 2025 | 153.11 | 156.49 | 152.00 | 156.39 | 155.97 | 304,194 |
| Nov 26, 2025 | 150.76 | 154.36 | 148.64 | 152.02 | 151.62 | 523,767 |
| Nov 25, 2025 | 149.12 | 150.39 | 145.03 | 149.00 | 148.60 | 874,479 |
| Nov 24, 2025$0.22 dividend | 144.00 | 150.76 | 144.00 | 149.95 | 149.55 | 715,366 |
| Nov 21, 2025 | 138.24 | 144.45 | 134.74 | 144.00 | 143.41 | 823,197 |
| Nov 20, 2025 | 149.47 | 149.47 | 137.94 | 138.49 | 137.92 | 1,185,066 |
| Nov 19, 2025 | 142.22 | 147.29 | 141.00 | 143.86 | 143.27 | 902,870 |
| Nov 18, 2025 | 139.29 | 144.62 | 137.03 | 140.38 | 139.80 | 821,806 |
| Nov 17, 2025 | 141.16 | 145.17 | 138.74 | 141.71 | 141.13 | 845,373 |
| Nov 14, 2025 | 138.76 | 146.21 | 138.36 | 142.74 | 142.15 | 830,440 |
| Nov 13, 2025 | 151.84 | 152.50 | 140.99 | 144.11 | 143.52 | 1,244,843 |
| Nov 12, 2025 | 156.00 | 157.03 | 151.47 | 153.17 | 152.54 | 842,575 |
| Nov 11, 2025 | 158.03 | 158.03 | 152.00 | 152.63 | 152.00 | 855,960 |
| Nov 10, 2025 | 158.50 | 160.18 | 154.74 | 158.90 | 158.25 | 1,248,695 |
| Nov 7, 2025 | 152.79 | 155.79 | 145.27 | 154.80 | 154.16 | 1,522,321 |
| Nov 6, 2025 | 147.23 | 157.23 | 146.53 | 155.25 | 154.61 | 2,012,042 |
| Nov 5, 2025 | 139.56 | 144.31 | 138.16 | 139.92 | 139.34 | 1,621,643 |
| Nov 4, 2025 | 139.73 | 142.11 | 136.95 | 137.20 | 136.64 | 1,165,671 |
| Nov 3, 2025 | 143.93 | 146.81 | 142.19 | 145.47 | 144.87 | 951,758 |
| Oct 31, 2025 | 141.00 | 144.80 | 140.00 | 143.71 | 143.12 | 994,606 |
| Oct 30, 2025 | 141.39 | 142.73 | 138.55 | 139.31 | 138.74 | 917,466 |
| Oct 29, 2025 | 144.00 | 146.00 | 139.85 | 141.40 | 140.82 | 1,658,601 |
| Oct 28, 2025 | 143.54 | 143.66 | 140.26 | 140.48 | 139.90 | 769,285 |
| Oct 27, 2025 | 146.16 | 147.31 | 144.95 | 145.01 | 144.41 | 846,342 |
| Oct 24, 2025 | 143.00 | 146.84 | 142.00 | 142.94 | 142.35 | 923,756 |
| Oct 23, 2025 | 132.40 | 142.34 | 132.28 | 140.65 | 140.07 | 751,229 |
| Oct 22, 2025 | 138.68 | 141.06 | 130.72 | 134.42 | 133.87 | 1,079,953 |
| Oct 21, 2025 | 140.49 | 141.80 | 139.52 | 140.73 | 140.15 | 628,282 |
| Oct 20, 2025 | 137.87 | 142.33 | 137.87 | 141.58 | 141.00 | 511,384 |
| Oct 17, 2025 | 136.16 | 137.72 | 134.61 | 136.52 | 135.96 | 660,412 |
| Oct 16, 2025 | 138.05 | 139.10 | 135.19 | 137.75 | 137.18 | 962,505 |
| Oct 15, 2025 | 136.21 | 137.50 | 133.86 | 136.42 | 135.86 | 1,234,709 |
| Oct 14, 2025 | 127.83 | 135.48 | 126.92 | 132.68 | 132.13 | 668,113 |
| Oct 13, 2025 | 129.45 | 133.77 | 127.77 | 133.03 | 132.48 | 1,031,717 |
| Oct 10, 2025 | 134.93 | 135.50 | 120.91 | 121.26 | 120.76 | 1,546,869 |
| Oct 9, 2025 | 133.33 | 134.71 | 130.56 | 134.26 | 133.71 | 820,010 |
| Oct 8, 2025 | 129.84 | 134.23 | 128.38 | 132.97 | 132.42 | 1,363,731 |
| Oct 7, 2025 | 140.56 | 140.56 | 128.71 | 128.84 | 128.31 | 1,252,155 |
| Oct 6, 2025 | 140.62 | 142.20 | 138.40 | 139.47 | 138.90 | 1,301,400 |
| Oct 3, 2025 | 136.62 | 140.33 | 136.28 | 137.86 | 137.29 | 1,330,300 |
| Oct 2, 2025 | 134.65 | 137.14 | 132.67 | 136.54 | 135.98 | 1,240,227 |
| Oct 1, 2025 | 122.14 | 131.54 | 122.14 | 131.28 | 130.74 | 1,276,804 |
| Sep 30, 2025 | 122.43 | 124.33 | 121.73 | 123.77 | 123.26 | 1,010,494 |
| Sep 29, 2025 | 123.73 | 123.78 | 121.97 | 122.14 | 121.64 | 727,141 |
| Sep 26, 2025 | 122.12 | 123.71 | 120.11 | 121.81 | 121.31 | 886,152 |
| Sep 25, 2025 | 120.59 | 123.95 | 119.62 | 122.25 | 121.75 | 1,486,035 |
| Sep 24, 2025 | 129.23 | 129.23 | 123.60 | 123.94 | 123.43 | 1,435,065 |
| Sep 23, 2025 | 129.00 | 130.91 | 127.07 | 128.52 | 127.99 | 1,704,680 |
Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.
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MKS Inc. Common Stock Executive Compensation
We estimate that -- received a compensation of -- in --, making them the highest paid executive at MKSI, per a recent SEC DEF 14A filing. We estimate that the median employee at MKS INSTRUMENTS INC is paid $69,685.
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