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Waters Corp

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Recent trades of WAT by members of U.S. Congress

Politician Type Traded
Michael T. McCaul House / R Purchase None Sep 30, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Sep 30, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 Sep 29, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 26, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 13, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 12, 2025
Lisa C. McClain House / R Sale $1,001 - $15,000 Jul 22, 2025
Lisa C. McClain House / R Purchase $1,001 - $15,000 Jul 16, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jul 01, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jul 01, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jun 23, 2025
Michael T. McCaul House / R Purchase $1,000,001 - $5,000,000 Jun 23, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 May 28, 2025
Robert Bresnahan House / R Sale $1,001 - $15,000 Apr 08, 2025
Robert Bresnahan House / R Purchase $1,001 - $15,000 Feb 25, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Feb 19, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 Jan 17, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 Nov 15, 2024
Byron Donalds House / R Sale $1,001 - $15,000 N/A
Byron Donalds House / R Exchange $1,001 - $15,000 N/A
Ro Khanna House / D None None N/A
Ro Khanna House / D Purchase $1,001 - $15,000 Aug 02, 2024
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 May 03, 2024
Ro Khanna House / D Sale $1,001 - $15,000 Nov 03, 2023
Ro Khanna House / D Sale $1,001 - $15,000 Oct 31, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 Oct 02, 2023
Lois Frankel House / D Sale $1,001 - $15,000 Sep 08, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 Jun 29, 2023
Ro Khanna House / D Sale $1,001 - $15,000 Jun 26, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 May 23, 2023
Byron Donalds House / R Purchase $1,000,001 - $5,000,000 Feb 24, 2023
Ro Khanna House / D Sale $50,001 - $100,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Byron Donalds House / R Exchange $1,001 - $15,000 Aug 12, 2022
Ro Khanna House / D Purchase $1,001 - $15,000 Jun 02, 2022
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Ro Khanna House / D Purchase $1,001 - $15,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Ro Khanna House / D None $1,001 - $15,000 N/A
Lois Frankel House / D Sale $1,001 - $15,000 Aug 04, 2021
Tommy Tuberville Senate / R Purchase $1,001 - $15,000 Mar 29, 2021
Ro Khanna House / D Purchase $1,001 - $15,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 Mar 05, 2020
Ro Khanna House / D Purchase $1,001 - $15,000 Feb 11, 2020
Lois Frankel House / D Purchase $1,001 - $15,000 Aug 29, 2019
Angus S. King Jr. Senate / I Sale (Partial) $1,001 - $15,000 Jul 23, 2019
Lois Frankel House / D Purchase $1,001 - $15,000 Jun 27, 2019
Lois Frankel House / D Purchase $1,001 - $15,000 Jun 26, 2019
Ro Khanna House / D Sale $1,001 - $15,000 Jun 03, 2019
WAT Stock Insider Trading Activity Follow @QuiverQuant for major insider updates
Closing Price
Purchase
Sale
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WAT Stock Institutional Owners
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WAT Derivatives Institutional Owners
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Recently reported changes in WAT holdings by institutional investors

Quarterly net insider trading by WAT's directors and management

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No recent Insider Trading for this ticker

Insider Trading Dashboard

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
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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

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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.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

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  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

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  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

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  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

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  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

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  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

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  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

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  • 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.

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  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

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  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Government lobbying spending instances

  • $50,000 Jan 20, 2011 Issue: Food Industry (safety, labeling, etc.)
  • $50,000 Oct 19, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $50,000 Jul 19, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Apr 20, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Jan 20, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Oct 19, 2009 Issue: Food Industry (safety, labeling, etc.)
  • $30,000 Jul 16, 2009 Issue: Food Industry (safety, labeling, etc.)
  • $10,000 Apr 15, 2009 Issue: Food Industry (safety, labeling, etc.)

WAT Estimated quarterly lobbying spending

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Corporate Lobbying Dashboard

WAT Revenue by Segment or Geography

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By Geography
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Revenue Breakdown Dashboard
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Revenue Breakdown Dashboard
WAT Income Statement
WAT Balance Sheet
WAT Cash Flow
U.S. Patents

New WAT patent grants

  • Patent Title: Chromatography system Sep. 02, 2025
  • Patent Title: Bottle cap May. 13, 2025
  • Patent Title: Thermal pad Sep. 03, 2019
  • Patent Title: Systems and methods for refractive index detection Jun. 05, 2018
  • Patent Title: Chromatography column assembly May. 29, 2018
  • Patent Title: Porous inorganic/organic homogenous copolymeric hybrid materials for chromatographic separations and process for the preparation thereof May. 22, 2018
  • Patent Title: Targeted frequency multiple path length mixers May. 15, 2018
  • Patent Title: Methods for quantifying polypeptides using mass spectrometry May. 08, 2018
  • Patent Title: Thermopile differential scanning calorimeter sensor May. 08, 2018
  • Patent Title: Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography Apr. 24, 2018
  • Patent Title: Methods, compositions, devices, and kits for performing phospholipid separation Apr. 24, 2018
  • Patent Title: Pressure related hysteresis manipulation in a pressurized flow system Apr. 17, 2018
  • Patent Title: Separation efficiency in supercritical fluid chromatography Apr. 03, 2018
  • Patent Title: Dynamic mechanical analyzer and sample fixtures for a dynamic mechanical analyzer Apr. 03, 2018
  • Patent Title: Method and an apparatus for ionizing a sample Mar. 27, 2018
  • Patent Title: Methods for increasing sensitivity of detection and/or quantification of negatively charged analytes Mar. 27, 2018
  • Patent Title: Sample carrier for dried biological samples Mar. 27, 2018
  • Patent Title: Chromatographic materials Mar. 27, 2018
  • Patent Title: Devices and methods for performing mass analysis Feb. 27, 2018
  • Patent Title: Ionization of analyte molecules comprised in a flow of gas Feb. 27, 2018
  • Patent Title: Immobilized enzymatic reactor Feb. 13, 2018
  • Patent Title: Porous material and devices for performing separations, filtrations, and catalysis and ek pumps, and methods of making and using the same Feb. 06, 2018
  • Patent Title: Molecular diagnostics in personalized dermatology, dermatopathology and cosmetics Jan. 30, 2018
  • Patent Title: Free and total fatty acid determination using desorption ionization—mass spectrometry Jan. 30, 2018
  • Patent Title: Automated sampling and reaction system for high pressure liquid chromatography and other types of detection Jan. 02, 2018
  • Patent Title: Quasiadiabetic differential scanning calorimeter Jan. 02, 2018
  • Patent Title: Device capable of pressurization and associated systems and methods Dec. 05, 2017
  • Patent Title: Systems and methods of compensation for chromatography column volume variations Nov. 28, 2017
  • Patent Title: Injector sample dilution for a liquid chromatography system Nov. 21, 2017
  • Patent Title: Controllable injector sample dilution for a liquid chromatography system Nov. 14, 2017
  • Patent Title: Techniques for quantification of samples Nov. 07, 2017
  • Patent Title: Chromatography apparatus and methods using multiple microfluidic substrates Oct. 31, 2017
  • Patent Title: Dispensing needle for a fraction collector Oct. 17, 2017
  • Patent Title: Synchronized vacuum degassing for liquid chromatography Sep. 26, 2017
  • Patent Title: Systems, devices, and methods for connecting a chromatography system to a mass spectrometer Sep. 19, 2017
  • Patent Title: Compositions, methods, and kits for quantifying target analytes in a sample Sep. 19, 2017
  • Patent Title: Low volume, pressure assisted, stem and seat vent valve and associated methods Sep. 19, 2017
  • Patent Title: Device and methods using porous media in fluidic devices Sep. 19, 2017
  • Patent Title: Introducing samples into supercritical fluid chromatography systems Sep. 19, 2017
  • Patent Title: Pressure monitor optimizaiton of fluid path utilization Sep. 05, 2017
  • Patent Title: Purge method for low pressure gradient formation liquid chromatography Aug. 29, 2017
  • Patent Title: System and method for enhancing charge-state determination in electrospray mass spectrometry Aug. 15, 2017
  • Patent Title: Rapid analysis of steroids and steroid derivatives Aug. 15, 2017
  • Patent Title: Methods and devices for open-bed atmospheric collection for supercritical fluid chromatography Aug. 15, 2017
  • Patent Title: Device, apparatus and method for performing separations Aug. 08, 2017
  • Patent Title: Intake profile for optimized utilization of motor characteristics Aug. 01, 2017
  • Patent Title: Microfluidic flame ionization detector Aug. 01, 2017
  • Patent Title: Methods and apparatus for the analysis of vitamin d metabolites Aug. 01, 2017
  • Patent Title: Column heater with active pre-heating Jul. 25, 2017
  • Patent Title: Self-scanned photodiode array with selectively-skipped pixels Jun. 04, 2013
Government Contracts

Estimated quarterly amount awarded to WAT from public contracts

WAT News

Recent insights relating to WAT

CNBC Recommendations

Recent picks made for WAT stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in WAT

WAT Analyst Ratings

WAT Stock Forecasts
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WAT Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $WAT stock a Buy, Sell, or Hold?

  • What is the price target for $WAT stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

WAT Top Shareholders
Shareholder
Shares Held
WAT Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $WAT stock?

  • Who owns the most shares of $WAT stock?

  • What funds own $WAT 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.

WAT 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.

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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 WAT

Water sells liquid chromatography, mass spectrometry, and thermal analysis tools. These analytical instruments provide essential information on various products, such as their molecular structures and physical properties, to help clients enhance the health and well-being of end users. As a percentage of sales in 2024, Waters generated 58% from biopharmaceutical customers, 31% from industrial clients, and 11% from academic/government institutions. In early 2026, Waters plans to merge with BD's life science and diagnostics business, which will substantially change those concentrations. Waters will wind up with more concentration in diagnostics (versus none now) and discovery-related life science tools.

  • Address Milford, MA
  • Market Cap 23.0 billion
  • Employees 7,600
  • Industrial Classification Laboratory Analytical Instruments
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