Allegro MicroSystems, Inc. Common Stock
ALGM Real Time Price USDRecent trades of ALGM by members of U.S. Congress
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Recently reported changes in ALGM holdings by institutional investors
Quarterly net insider trading by ALGM'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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- 6M
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- MAX
About
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
Former government officials who have lobbied for ALGM
ALGM Estimated quarterly lobbying spending
ALGM Revenue by Segment or Geography
New ALGM patent grants
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Patent Title: Light emitting diode driver for dimming and on/off control Jun. 12, 2018
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Patent Title: Methods and apparatus for phase selection in ring magnet sensing May. 22, 2018
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Patent Title: Methods and apparatus for generating a threshold signal in a magnetic field sensor May. 15, 2018
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Patent Title: Control timing and sequencing for a multi-phase electric motor May. 01, 2018
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Patent Title: Systems and methods for a high isolation current sensor May. 01, 2018
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Patent Title: Methods and apparatus for communication over an isolation barrier with monitoring Apr. 10, 2018
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Patent Title: Multi-die integrated circuit device with capacitive overvoltage protection Apr. 10, 2018
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Patent Title: Circuits and techniques for signaling between devices Apr. 03, 2018
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Patent Title: Devices with an embedded zener diode Mar. 27, 2018
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Patent Title: Non-linear transmit biasing for a serial bus transmitter Mar. 27, 2018
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Patent Title: Magnetoresistance element with improved response to magnetic fields Mar. 20, 2018
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Patent Title: Methods and apparatus for sensor diagnostics including programmable self-test signals Mar. 06, 2018
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Patent Title: Integrated circuit and method for detecting a stress condition in the integrated circuit Mar. 06, 2018
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Patent Title: Magnetic field sensor to detect a magnitude of a magnetic field in any direction Feb. 20, 2018
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Patent Title: Sensorless brushless direct current (bldc) motor position control Feb. 06, 2018
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Patent Title: Magnetic field sensor for detecting motion of an object Jan. 30, 2018
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Patent Title: Angle sensing using differential magnetic measurement and a back bias magnet Jan. 16, 2018
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Patent Title: Electronic device with shared eos protection and power interruption mitigation Jan. 09, 2018
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Patent Title: Packaging for an electronic device Jan. 09, 2018
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Patent Title: Integrated circuit having first and second magnetic field sensing elements Jan. 02, 2018
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Patent Title: Hall effect sensing element Jan. 02, 2018
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Patent Title: Magnetic field sensor and associated method that can sense a position of a magnet Dec. 26, 2017
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Patent Title: Device configuration using a magnetic field Dec. 26, 2017
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Patent Title: Structure and system for simultaneous sensing a magnetic field and mechanical stress Dec. 26, 2017
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Patent Title: Systems and methods for magnetic field sensors with self-test Dec. 26, 2017
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Patent Title: Digital demodulator for pulse-width modulated (pwm) signals in a motor controller Dec. 12, 2017
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Patent Title: Magnetic field sensor having calibration circuitry and techniques Dec. 12, 2017
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Patent Title: Compensating for voltage changes in driver circuits Nov. 21, 2017
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Patent Title: Magnetic field sensor providing a movement detector Nov. 21, 2017
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Patent Title: Magnetic field sensor for sensing a movement of a target object Nov. 21, 2017
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Patent Title: Magnetic field sensors and associated methods for removing undesirable spectral components Nov. 14, 2017
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Patent Title: Methods and apparatus for magnetic sensor having integrated coil Nov. 14, 2017
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Patent Title: Spin valve magnetoresistance element with improved response to magnetic fields Nov. 07, 2017
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Patent Title: Magnetic field sensor integrated circuit with integral ferromagnetic material Nov. 07, 2017
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Patent Title: Arrangements for magnetic field sensors that act as tooth detectors Nov. 07, 2017
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Patent Title: Dual-path analog to digital converter Oct. 31, 2017
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Patent Title: Magnetoresistance element with an improved seed layer to promote an improved response to magnetic fields Oct. 31, 2017
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Patent Title: Magnetic field sensor with shared path amplifier and analog-to-digital-converter Oct. 31, 2017
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Patent Title: Systems and methods for a magnetic target with magnetic bias field Oct. 24, 2017
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Patent Title: Magnetic field sensor with delayed output Oct. 24, 2017
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Patent Title: Systems and methods for detecting a magnetic target by computing a barycenter Oct. 24, 2017
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Patent Title: Signaling between master and slave components using a shared communication node of the master component Oct. 10, 2017
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Patent Title: Hall-effect based linear motor controller Oct. 10, 2017
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Patent Title: Apparatus and methods for led control Oct. 03, 2017
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Patent Title: Motor control current zero crossing detector Oct. 03, 2017
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Patent Title: Circuits and methods for limiting a smallest separation of thresholds in a magnetic field sensor Oct. 03, 2017
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Patent Title: Control circuit for a switching regulator driving an led load with controlled pwm dimming Sep. 26, 2017
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Patent Title: Magnetic sensor having enhanced linearization by applied field angle rotation Sep. 05, 2017
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Patent Title: Magnetic field sensors and associated methods with reduced offset and improved accuracy Sep. 05, 2017
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Patent Title: Housing for an electronic device Dec. 09, 2014
Federal grants, loans, and purchases
Estimated quarterly amount awarded to ALGM from public contracts
Recent insights relating to ALGM
Recent picks made for ALGM stock on CNBC
ETFs with the largest estimated holdings in ALGM
- ... Highest Price Target
- ... Median Price Target
- ... Lowest Price Target
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- Is $ALGM stock a Buy, Sell, or Hold?
- What is the price target for $ALGM stock?
* Analyst consensus is not financial advice. Please see our data disclaimers .
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Shareholder
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- Who owns $ALGM stock?
- Who owns the most shares of $ALGM stock?
- What funds own $ALGM 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.
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.Sign Up to view ALGM Smart Score
See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.
Example:
The Bulls Say summary highlights positive aspects of the stock.
The Bears Say summary points out potential risks and negative aspects of the stock.
Allegro Microsystems Inc is a designer, developer, fabless manufacturer, and marketer of sensor ICs and application-specific analog power ICs for automotive and industrial markets. Its Sensor IC allows customers to precisely measure motion, speed, position, and current, and Power ICs include high-temperature and high-voltage capable motor drivers, power management, and LED driver ICs. Its products are divided into three categories: SENSE, which includes Current Sensors, Switches, and Latches, and Interface ICs among others; REGULATE, which includes Regulators, ClearPower Modules, and LED Drivers; and DRIVE, which includes BLDC Drivers, Brush DC, and others. Product-wise, the firm derives the majority of its revenue from sales of Magnetic sensors.
- Address Manchester, NH
- Market Cap 6.5 billion
- Employees 4,250
- Industrial Classification Semiconductors & Related Devices
Allegro MicroSystems, Inc. Common Stock (ALGM) Historical Stock Prices
Allegro MicroSystems, Inc. Common Stock (ALGM) closed at $35.13 on September 24, 2026. Over the past year its adjusted close ranged from $22.80 to $69.62. Daily prices go back to October 29, 2020, 1,482 trading days in all.
- 1 month-6.17%
- 3 months-41.61%
- Year to date+33.17%
- 1 year+13.07%
- 3 years+9.20%
- 5 years+2.00%
- Max+98.47%
Quiver Premium charts ALGM'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 24, 2026 | 34.32 | 35.20 | 33.95 | 35.13 | 35.13 | 2,463,218 |
| Sep 23, 2026 | 35.48 | 35.95 | 34.85 | 35.11 | 35.11 | 2,521,294 |
| Sep 22, 2026 | 35.43 | 36.38 | 35.13 | 35.51 | 35.51 | 4,595,169 |
| Sep 21, 2026 | 35.01 | 35.89 | 33.85 | 35.50 | 35.50 | 2,565,771 |
| Sep 18, 2026 | 33.57 | 34.17 | 33.32 | 34.10 | 34.10 | 3,178,236 |
| Sep 17, 2026 | 34.44 | 34.53 | 32.99 | 33.11 | 33.11 | 1,961,248 |
| Sep 16, 2026 | 34.12 | 34.35 | 32.67 | 33.02 | 33.02 | 1,704,319 |
| Sep 15, 2026 | 34.42 | 34.49 | 32.78 | 33.26 | 33.26 | 2,258,957 |
| Sep 14, 2026 | 34.03 | 35.13 | 33.60 | 33.85 | 33.85 | 2,065,762 |
| Sep 11, 2026 | 35.86 | 36.80 | 35.56 | 36.31 | 36.31 | 1,849,049 |
| Sep 10, 2026 | 34.72 | 35.83 | 34.55 | 35.27 | 35.27 | 1,592,903 |
| Sep 9, 2026 | 35.99 | 36.89 | 35.76 | 35.84 | 35.84 | 1,868,359 |
| Sep 8, 2026 | 37.54 | 37.67 | 36.25 | 36.47 | 36.47 | 2,618,464 |
| Sep 4, 2026 | 36.18 | 37.28 | 35.98 | 36.61 | 36.61 | 2,508,920 |
| Sep 3, 2026 | 34.90 | 35.77 | 34.02 | 35.56 | 35.56 | 2,463,906 |
| Sep 2, 2026 | 35.67 | 36.41 | 35.02 | 35.47 | 35.47 | 1,607,547 |
| Sep 1, 2026 | 35.39 | 35.76 | 34.50 | 35.47 | 35.47 | 1,682,353 |
| Aug 31, 2026 | 36.00 | 36.50 | 35.41 | 36.25 | 36.25 | 2,280,973 |
| Aug 28, 2026 | 37.51 | 37.51 | 35.56 | 35.77 | 35.77 | 2,146,547 |
| Aug 27, 2026 | 37.80 | 38.26 | 36.84 | 37.59 | 37.59 | 1,682,742 |
| Aug 26, 2026 | 37.51 | 38.15 | 36.50 | 36.89 | 36.89 | 1,874,335 |
| Aug 25, 2026 | 36.83 | 37.45 | 36.44 | 37.44 | 37.44 | 2,786,142 |
| Aug 24, 2026 | 36.15 | 36.59 | 35.34 | 35.63 | 35.63 | 2,131,809 |
| Aug 21, 2026 | 37.62 | 37.98 | 36.49 | 37.16 | 37.16 | 2,342,463 |
| Aug 20, 2026 | 38.21 | 38.79 | 36.61 | 37.19 | 37.19 | 2,220,605 |
| Aug 19, 2026 | 40.00 | 40.30 | 37.49 | 38.35 | 38.35 | 2,503,498 |
| Aug 18, 2026 | 42.54 | 43.05 | 39.34 | 39.39 | 39.39 | 2,581,559 |
| Aug 17, 2026 | 45.32 | 46.58 | 44.02 | 44.25 | 44.25 | 1,537,992 |
| Aug 14, 2026 | 44.06 | 45.01 | 43.53 | 44.39 | 44.39 | 982,467 |
| Aug 13, 2026 | 42.78 | 45.67 | 42.59 | 44.13 | 44.13 | 2,164,636 |
| Aug 12, 2026 | 44.57 | 44.57 | 42.36 | 42.47 | 42.47 | 1,088,604 |
| Aug 11, 2026 | 43.47 | 44.05 | 42.31 | 42.52 | 42.52 | 1,126,755 |
| Aug 10, 2026 | 44.39 | 44.87 | 42.37 | 42.46 | 42.46 | 1,733,188 |
| Aug 7, 2026 | 43.80 | 44.50 | 42.72 | 43.77 | 43.77 | 1,607,410 |
| Aug 6, 2026 | 40.84 | 44.05 | 40.20 | 42.45 | 42.45 | 1,828,388 |
| Aug 5, 2026 | 42.02 | 43.56 | 41.61 | 41.80 | 41.80 | 1,727,280 |
| Aug 4, 2026 | 44.00 | 44.49 | 42.19 | 42.85 | 42.85 | 2,726,508 |
| Aug 3, 2026 | 39.69 | 42.09 | 38.60 | 41.52 | 41.52 | 2,506,156 |
| Jul 31, 2026 | 42.27 | 43.35 | 40.76 | 41.50 | 41.50 | 3,763,889 |
| Jul 30, 2026 | 42.31 | 42.92 | 38.15 | 41.45 | 41.45 | 6,154,389 |
| Jul 29, 2026 | 43.70 | 44.94 | 41.77 | 42.21 | 42.21 | 3,310,100 |
| Jul 28, 2026 | 43.50 | 44.73 | 42.01 | 44.52 | 44.52 | 2,323,152 |
| Jul 27, 2026 | 46.96 | 47.62 | 44.01 | 46.80 | 46.80 | 2,383,741 |
| Jul 24, 2026 | 50.00 | 50.00 | 45.56 | 46.03 | 46.03 | 1,574,231 |
| Jul 23, 2026 | 49.12 | 51.88 | 49.02 | 50.07 | 50.07 | 3,114,452 |
| Jul 22, 2026 | 47.84 | 50.65 | 47.84 | 49.87 | 49.87 | 1,190,182 |
| Jul 21, 2026 | 49.25 | 49.96 | 47.70 | 49.35 | 49.35 | 1,292,635 |
| Jul 20, 2026 | 46.29 | 48.50 | 46.00 | 46.36 | 46.36 | 1,928,358 |
| Jul 17, 2026 | 44.28 | 48.07 | 44.13 | 46.48 | 46.48 | 1,588,969 |
| Jul 16, 2026 | 48.00 | 48.86 | 46.46 | 47.12 | 47.12 | 1,994,670 |
| Jul 15, 2026 | 53.10 | 53.35 | 47.96 | 50.03 | 50.03 | 2,018,134 |
| Jul 14, 2026 | 54.21 | 54.40 | 51.19 | 52.32 | 52.32 | 1,839,040 |
| Jul 13, 2026 | 52.21 | 52.62 | 50.16 | 50.85 | 50.85 | 1,561,218 |
| Jul 10, 2026 | 55.99 | 56.00 | 53.48 | 54.87 | 54.87 | 2,326,643 |
| Jul 9, 2026 | 54.40 | 58.48 | 54.40 | 57.38 | 57.38 | 4,709,879 |
| Jul 8, 2026 | 51.06 | 52.52 | 49.60 | 51.47 | 51.47 | 3,470,377 |
| Jul 7, 2026 | 52.97 | 53.76 | 50.47 | 51.55 | 51.55 | 3,846,176 |
| Jul 6, 2026 | 57.07 | 62.00 | 56.00 | 56.56 | 56.56 | 4,571,607 |
| Jul 2, 2026 | 63.38 | 63.77 | 52.88 | 55.48 | 55.48 | 4,702,925 |
| Jul 1, 2026 | 66.84 | 67.90 | 63.16 | 63.20 | 63.20 | 3,843,550 |
| Jun 30, 2026 | 66.10 | 71.77 | 64.80 | 69.62 | 69.62 | 4,379,516 |
| Jun 29, 2026 | 58.02 | 67.41 | 57.30 | 66.37 | 66.37 | 6,986,540 |
| Jun 26, 2026 | 57.34 | 60.38 | 56.50 | 57.89 | 57.89 | 12,165,472 |
| Jun 25, 2026 | 58.41 | 60.80 | 55.65 | 60.16 | 60.16 | 3,606,003 |
| Jun 24, 2026 | 55.73 | 56.79 | 54.18 | 55.42 | 55.42 | 2,614,879 |
| Jun 23, 2026 | 56.80 | 58.46 | 55.49 | 55.52 | 55.52 | 3,406,711 |
| Jun 22, 2026 | 61.67 | 61.67 | 58.13 | 61.58 | 61.58 | 3,463,977 |
| Jun 18, 2026 | 57.20 | 59.55 | 56.29 | 59.00 | 59.00 | 4,705,453 |
| Jun 17, 2026 | 55.44 | 57.88 | 53.25 | 53.98 | 53.98 | 4,039,724 |
| Jun 16, 2026 | 54.91 | 58.13 | 53.26 | 53.29 | 53.29 | 3,534,583 |
| Jun 15, 2026 | 52.80 | 55.45 | 52.53 | 55.00 | 55.00 | 2,663,057 |
| Jun 12, 2026 | 47.96 | 50.46 | 47.47 | 50.41 | 50.41 | 1,621,894 |
| Jun 11, 2026 | 45.88 | 47.98 | 45.45 | 47.96 | 47.96 | 1,424,764 |
| Jun 10, 2026 | 45.68 | 47.05 | 44.00 | 44.54 | 44.54 | 1,598,880 |
| Jun 9, 2026 | 49.22 | 50.00 | 43.27 | 46.63 | 46.63 | 1,810,984 |
| Jun 8, 2026 | 47.87 | 48.24 | 46.43 | 48.19 | 48.19 | 2,070,514 |
| Jun 5, 2026 | 51.50 | 51.75 | 46.10 | 46.39 | 46.39 | 2,137,386 |
| Jun 4, 2026 | 51.02 | 54.40 | 50.00 | 53.62 | 53.62 | 2,090,763 |
| Jun 3, 2026 | 50.33 | 54.10 | 49.02 | 53.11 | 53.11 | 2,881,801 |
| Jun 2, 2026 | 48.64 | 50.74 | 48.40 | 50.33 | 50.33 | 2,339,427 |
| Jun 1, 2026 | 47.23 | 47.59 | 46.01 | 47.13 | 47.13 | 2,144,396 |
| May 29, 2026 | 51.26 | 52.80 | 47.36 | 47.87 | 47.87 | 3,650,881 |
| May 28, 2026 | 49.57 | 51.23 | 47.78 | 51.10 | 51.10 | 2,037,904 |
| May 27, 2026 | 51.59 | 51.66 | 48.75 | 49.00 | 49.00 | 1,994,599 |
| May 26, 2026 | 47.80 | 51.35 | 47.15 | 50.76 | 50.76 | 3,013,857 |
| May 22, 2026 | 45.38 | 46.15 | 45.11 | 45.95 | 45.95 | 1,943,925 |
| May 21, 2026 | 43.74 | 45.14 | 43.60 | 44.70 | 44.70 | 1,786,186 |
| May 20, 2026 | 42.27 | 44.57 | 41.25 | 44.33 | 44.33 | 2,462,241 |
| May 19, 2026 | 40.10 | 41.84 | 39.57 | 41.65 | 41.65 | 2,005,342 |
| May 18, 2026 | 42.85 | 43.75 | 40.67 | 41.35 | 41.35 | 2,378,607 |
| May 15, 2026 | 43.58 | 43.79 | 42.34 | 43.10 | 43.10 | 3,526,125 |
| May 14, 2026 | 46.06 | 46.13 | 44.84 | 44.97 | 44.97 | 1,989,024 |
| May 13, 2026 | 47.66 | 47.73 | 45.44 | 45.97 | 45.97 | 2,104,970 |
| May 12, 2026 | 47.26 | 47.62 | 43.38 | 45.87 | 45.87 | 3,507,461 |
| May 11, 2026 | 48.87 | 49.02 | 46.15 | 48.39 | 48.39 | 3,466,848 |
| May 8, 2026 | 49.17 | 49.17 | 47.26 | 48.95 | 48.95 | 2,540,502 |
| May 7, 2026 | 43.90 | 49.49 | 42.00 | 47.93 | 47.93 | 5,318,787 |
| May 6, 2026 | 50.25 | 51.40 | 49.54 | 51.37 | 51.37 | 3,575,439 |
| May 5, 2026 | 50.25 | 50.30 | 48.73 | 49.68 | 49.68 | 2,970,246 |
| May 4, 2026 | 49.42 | 50.19 | 48.74 | 49.48 | 49.48 | 2,283,943 |
| May 1, 2026 | 47.71 | 49.19 | 46.82 | 48.98 | 48.98 | 2,473,290 |
| Apr 30, 2026 | 44.64 | 48.60 | 44.22 | 48.50 | 48.50 | 3,475,146 |
| Apr 29, 2026 | 42.19 | 44.41 | 42.19 | 44.07 | 44.07 | 2,696,012 |
| Apr 28, 2026 | 41.77 | 42.97 | 40.97 | 41.12 | 41.12 | 2,405,962 |
| Apr 27, 2026 | 44.13 | 44.50 | 42.28 | 43.47 | 43.47 | 1,794,425 |
| Apr 24, 2026 | 45.05 | 45.09 | 43.65 | 44.13 | 44.13 | 1,945,062 |
| Apr 23, 2026 | 44.07 | 45.39 | 43.04 | 43.61 | 43.61 | 2,842,852 |
| Apr 22, 2026 | 42.29 | 42.60 | 40.93 | 42.27 | 42.27 | 1,742,926 |
| Apr 21, 2026 | 40.85 | 42.02 | 40.84 | 41.28 | 41.28 | 1,712,685 |
| Apr 20, 2026 | 40.05 | 40.69 | 39.75 | 40.65 | 40.65 | 1,690,977 |
| Apr 17, 2026 | 39.02 | 40.61 | 38.90 | 40.00 | 40.00 | 1,568,835 |
| Apr 16, 2026 | 37.44 | 38.33 | 37.20 | 38.22 | 38.22 | 1,554,038 |
| Apr 15, 2026 | 38.38 | 38.49 | 37.00 | 37.25 | 37.25 | 1,387,843 |
| Apr 14, 2026 | 38.54 | 38.72 | 37.77 | 38.27 | 38.27 | 1,052,904 |
| Apr 13, 2026 | 36.92 | 38.63 | 36.82 | 38.04 | 38.04 | 1,581,980 |
| Apr 10, 2026 | 37.66 | 38.75 | 37.44 | 37.50 | 37.50 | 1,490,717 |
| Apr 9, 2026 | 35.80 | 37.05 | 35.80 | 37.02 | 37.02 | 1,867,269 |
| Apr 8, 2026 | 36.33 | 36.75 | 35.22 | 35.87 | 35.87 | 2,886,216 |
| Apr 7, 2026 | 32.56 | 33.48 | 32.56 | 33.28 | 33.28 | 1,896,609 |
| Apr 6, 2026 | 32.66 | 33.59 | 32.28 | 32.81 | 32.81 | 1,087,936 |
| Apr 2, 2026 | 31.68 | 33.83 | 31.59 | 32.60 | 32.60 | 1,313,613 |
| Apr 1, 2026 | 32.04 | 34.01 | 31.98 | 33.30 | 33.30 | 2,279,305 |
| Mar 31, 2026 | 29.42 | 31.62 | 29.25 | 31.53 | 31.53 | 1,878,312 |
| Mar 30, 2026 | 30.50 | 30.61 | 27.65 | 28.04 | 28.04 | 2,291,024 |
| Mar 27, 2026 | 30.76 | 31.25 | 30.08 | 30.12 | 30.12 | 1,412,038 |
| Mar 26, 2026 | 32.85 | 32.85 | 30.97 | 31.23 | 31.23 | 1,306,146 |
| Mar 25, 2026 | 33.11 | 33.30 | 32.48 | 32.63 | 32.63 | 1,440,271 |
| Mar 24, 2026 | 31.27 | 33.35 | 31.23 | 32.58 | 32.58 | 1,680,760 |
| Mar 23, 2026 | 31.00 | 31.98 | 30.67 | 31.74 | 31.74 | 1,593,192 |
| Mar 20, 2026 | 30.88 | 31.04 | 29.56 | 29.95 | 29.95 | 2,351,376 |
| Mar 19, 2026 | 30.45 | 31.34 | 29.80 | 30.91 | 30.91 | 2,197,898 |
| Mar 18, 2026 | 32.14 | 32.70 | 31.41 | 31.52 | 31.52 | 2,114,024 |
| Mar 17, 2026 | 31.43 | 32.88 | 31.14 | 32.06 | 32.06 | 2,615,795 |
| Mar 16, 2026 | 31.83 | 32.11 | 31.34 | 31.38 | 31.38 | 1,421,508 |
| Mar 13, 2026 | 31.86 | 32.10 | 30.59 | 31.13 | 31.13 | 1,156,590 |
| Mar 12, 2026 | 32.26 | 32.51 | 31.09 | 31.16 | 31.16 | 1,383,376 |
| Mar 11, 2026 | 33.11 | 33.38 | 32.72 | 33.06 | 33.06 | 1,112,359 |
| Mar 10, 2026 | 32.85 | 34.14 | 32.63 | 33.17 | 33.17 | 1,574,392 |
| Mar 9, 2026 | 31.82 | 32.89 | 30.78 | 32.87 | 32.87 | 2,391,678 |
| Mar 6, 2026 | 31.81 | 32.83 | 31.62 | 31.93 | 31.93 | 1,872,689 |
| Mar 5, 2026 | 33.42 | 34.56 | 32.60 | 32.78 | 32.78 | 2,064,487 |
| Mar 4, 2026 | 35.43 | 35.43 | 33.48 | 34.07 | 34.07 | 1,554,511 |
| Mar 3, 2026 | 34.96 | 35.53 | 34.32 | 34.72 | 34.72 | 2,855,040 |
| Mar 2, 2026 | 35.00 | 37.03 | 34.80 | 36.59 | 36.59 | 1,422,075 |
| Feb 27, 2026 | 35.91 | 36.63 | 35.35 | 36.47 | 36.47 | 1,726,954 |
| Feb 26, 2026 | 37.89 | 38.20 | 36.01 | 36.77 | 36.77 | 2,197,502 |
| Feb 25, 2026 | 39.20 | 39.26 | 37.92 | 38.12 | 38.12 | 1,994,764 |
| Feb 24, 2026 | 38.91 | 39.66 | 38.66 | 39.04 | 39.04 | 1,795,946 |
| Feb 23, 2026 | 38.79 | 39.76 | 38.30 | 38.48 | 38.48 | 2,010,033 |
| Feb 20, 2026 | 36.06 | 39.10 | 36.06 | 38.93 | 38.93 | 5,599,448 |
| Feb 19, 2026 | 37.97 | 38.31 | 36.14 | 36.26 | 36.26 | 4,904,426 |
| Feb 18, 2026 | 39.75 | 40.25 | 38.02 | 38.59 | 38.59 | 4,615,345 |
| Feb 17, 2026 | 41.56 | 42.22 | 40.38 | 41.69 | 41.69 | 2,229,429 |
| Feb 13, 2026 | 43.04 | 43.52 | 41.97 | 42.38 | 42.38 | 1,564,399 |
| Feb 12, 2026 | 42.90 | 43.86 | 41.63 | 41.83 | 41.83 | 1,952,942 |
| Feb 11, 2026 | 42.31 | 43.04 | 41.80 | 42.81 | 42.81 | 2,508,849 |
| Feb 10, 2026 | 41.99 | 42.20 | 40.94 | 41.61 | 41.61 | 2,358,564 |
| Feb 9, 2026 | 41.69 | 42.11 | 40.83 | 41.99 | 41.99 | 2,637,578 |
| Feb 6, 2026 | 39.22 | 41.78 | 39.21 | 41.57 | 41.57 | 3,748,930 |
| Feb 5, 2026 | 37.88 | 38.88 | 37.42 | 38.62 | 38.62 | 2,779,942 |
| Feb 4, 2026 | 39.33 | 40.88 | 37.30 | 38.20 | 38.20 | 3,546,426 |
| Feb 3, 2026 | 37.73 | 39.50 | 37.00 | 38.89 | 38.89 | 4,154,118 |
| Feb 2, 2026 | 36.20 | 38.29 | 36.02 | 37.43 | 37.43 | 2,752,814 |
| Jan 30, 2026 | 37.14 | 38.65 | 36.24 | 36.91 | 36.91 | 5,447,211 |
| Jan 29, 2026 | 36.96 | 39.89 | 34.55 | 37.98 | 37.98 | 10,056,904 |
| Jan 28, 2026 | 33.68 | 35.39 | 33.48 | 34.55 | 34.55 | 4,803,384 |
| Jan 27, 2026 | 32.63 | 32.99 | 32.26 | 32.66 | 32.66 | 2,297,787 |
| Jan 26, 2026 | 32.99 | 32.99 | 31.86 | 32.49 | 32.49 | 1,927,063 |
| Jan 23, 2026 | 33.71 | 33.77 | 32.37 | 32.99 | 32.99 | 1,686,169 |
| Jan 22, 2026 | 34.55 | 34.74 | 32.97 | 33.81 | 33.81 | 2,099,621 |
| Jan 21, 2026 | 33.56 | 34.44 | 33.17 | 33.99 | 33.99 | 2,151,661 |
| Jan 20, 2026 | 32.30 | 33.47 | 32.01 | 32.97 | 32.97 | 3,016,362 |
| Jan 16, 2026 | 33.04 | 34.29 | 32.94 | 33.35 | 33.35 | 2,604,471 |
| Jan 15, 2026 | 32.98 | 33.48 | 32.25 | 32.69 | 32.69 | 4,187,881 |
| Jan 14, 2026 | 30.55 | 32.98 | 30.55 | 32.25 | 32.25 | 3,442,233 |
| Jan 13, 2026 | 30.55 | 31.12 | 30.32 | 30.78 | 30.78 | 1,388,798 |
| Jan 12, 2026 | 30.94 | 30.94 | 29.82 | 30.17 | 30.17 | 1,354,817 |
| Jan 9, 2026 | 31.59 | 31.59 | 30.89 | 31.29 | 31.29 | 1,116,965 |
| Jan 8, 2026 | 30.59 | 31.50 | 29.73 | 31.30 | 31.30 | 1,594,688 |
| Jan 7, 2026 | 30.93 | 31.13 | 29.68 | 30.64 | 30.64 | 1,821,238 |
| Jan 6, 2026 | 28.73 | 32.38 | 28.73 | 31.53 | 31.53 | 4,067,058 |
| Jan 5, 2026 | 27.63 | 30.29 | 27.59 | 28.45 | 28.45 | 2,405,036 |
| Jan 2, 2026 | 27.00 | 27.36 | 26.18 | 26.91 | 26.91 | 2,150,702 |
| Dec 31, 2025 | 26.98 | 26.98 | 26.24 | 26.38 | 26.38 | 927,387 |
| Dec 30, 2025 | 26.59 | 27.01 | 26.55 | 26.83 | 26.83 | 1,063,153 |
| Dec 29, 2025 | 26.63 | 26.85 | 26.32 | 26.53 | 26.53 | 854,071 |
| Dec 26, 2025 | 27.07 | 27.07 | 26.59 | 26.87 | 26.87 | 658,862 |
| Dec 24, 2025 | 27.39 | 27.39 | 26.51 | 26.95 | 26.95 | 1,048,483 |
| Dec 23, 2025 | 26.52 | 27.57 | 26.48 | 27.45 | 27.45 | 1,347,752 |
| Dec 22, 2025 | 27.09 | 27.34 | 26.68 | 26.75 | 26.75 | 1,663,006 |
| Dec 19, 2025 | 26.45 | 26.99 | 26.25 | 26.70 | 26.70 | 3,849,233 |
| Dec 18, 2025 | 26.10 | 26.95 | 26.00 | 26.42 | 26.42 | 3,490,783 |
| Dec 17, 2025 | 26.40 | 26.55 | 25.32 | 25.48 | 25.48 | 2,660,567 |
| Dec 16, 2025 | 26.71 | 26.95 | 25.73 | 26.24 | 26.24 | 2,021,907 |
| Dec 15, 2025 | 27.18 | 27.55 | 26.64 | 26.72 | 26.72 | 5,380,484 |
| Dec 12, 2025 | 28.43 | 28.93 | 27.04 | 27.11 | 27.11 | 2,266,812 |
| Dec 11, 2025 | 29.16 | 29.17 | 27.95 | 28.48 | 28.48 | 2,063,216 |
| Dec 10, 2025 | 28.83 | 30.26 | 28.73 | 29.27 | 29.27 | 1,655,145 |
| Dec 9, 2025 | 28.54 | 29.28 | 28.50 | 28.96 | 28.96 | 997,311 |
| Dec 8, 2025 | 29.33 | 29.34 | 28.61 | 28.75 | 28.75 | 1,176,156 |
| Dec 5, 2025 | 29.13 | 29.54 | 29.10 | 29.22 | 29.22 | 1,644,958 |
| Dec 4, 2025 | 28.74 | 28.93 | 28.27 | 28.82 | 28.82 | 1,602,530 |
| Dec 3, 2025 | 26.72 | 29.04 | 26.52 | 28.90 | 28.90 | 2,099,541 |
| Dec 2, 2025 | 26.14 | 26.89 | 26.00 | 26.52 | 26.52 | 1,580,225 |
| Dec 1, 2025 | 26.20 | 26.66 | 25.93 | 25.97 | 25.97 | 1,380,818 |
| Nov 28, 2025 | 26.07 | 26.76 | 25.96 | 26.69 | 26.69 | 574,558 |
| Nov 26, 2025 | 25.86 | 26.39 | 25.74 | 25.82 | 25.82 | 1,368,156 |
| Nov 25, 2025 | 24.61 | 25.77 | 24.37 | 25.74 | 25.74 | 1,407,218 |
| Nov 24, 2025 | 24.16 | 24.90 | 23.93 | 24.83 | 24.83 | 1,350,855 |
| Nov 21, 2025 | 22.83 | 24.19 | 22.41 | 24.08 | 24.08 | 1,711,295 |
| Nov 20, 2025 | 23.75 | 24.14 | 22.64 | 22.80 | 22.80 | 2,031,061 |
| Nov 19, 2025 | 23.32 | 23.75 | 23.00 | 23.23 | 23.23 | 1,256,355 |
| Nov 18, 2025 | 23.32 | 23.68 | 22.97 | 23.21 | 23.21 | 1,454,725 |
| Nov 17, 2025 | 24.79 | 24.79 | 23.42 | 23.60 | 23.60 | 1,695,450 |
| Nov 14, 2025 | 24.56 | 25.21 | 24.35 | 24.71 | 24.71 | 1,845,726 |
| Nov 13, 2025 | 26.19 | 26.44 | 24.80 | 25.29 | 25.29 | 2,231,404 |
| Nov 12, 2025 | 26.98 | 27.36 | 26.28 | 26.47 | 26.47 | 2,286,101 |
| Nov 11, 2025 | 27.43 | 27.43 | 26.09 | 26.61 | 26.61 | 2,295,789 |
| Nov 10, 2025 | 27.66 | 27.89 | 26.91 | 27.60 | 27.60 | 1,554,064 |
| Nov 7, 2025 | 26.52 | 27.05 | 26.12 | 26.98 | 26.98 | 1,544,657 |
| Nov 6, 2025 | 27.45 | 27.90 | 26.86 | 27.21 | 27.21 | 1,712,317 |
| Nov 5, 2025 | 27.42 | 28.36 | 27.27 | 27.43 | 27.43 | 1,787,453 |
| Nov 4, 2025 | 28.16 | 28.74 | 27.28 | 27.44 | 27.44 | 2,100,398 |
| Nov 3, 2025 | 30.35 | 30.61 | 28.87 | 28.94 | 28.94 | 2,752,857 |
| Oct 31, 2025 | 30.38 | 31.20 | 29.06 | 29.92 | 29.92 | 4,042,813 |
| Oct 30, 2025 | 33.65 | 33.84 | 28.59 | 30.27 | 30.27 | 5,743,516 |
| Oct 29, 2025 | 31.36 | 31.56 | 30.59 | 30.74 | 30.74 | 2,888,829 |
| Oct 28, 2025 | 30.36 | 31.82 | 30.00 | 30.66 | 30.66 | 2,674,416 |
| Oct 27, 2025 | 31.42 | 32.19 | 30.01 | 30.48 | 30.48 | 3,009,070 |
| Oct 24, 2025 | 31.73 | 31.75 | 30.79 | 30.91 | 30.91 | 2,559,607 |
| Oct 23, 2025 | 30.02 | 31.17 | 29.91 | 30.99 | 30.99 | 3,278,515 |
| Oct 22, 2025 | 30.07 | 31.54 | 30.07 | 30.70 | 30.70 | 3,883,336 |
| Oct 21, 2025 | 30.64 | 31.30 | 30.21 | 31.05 | 31.05 | 2,307,478 |
| Oct 20, 2025 | 29.48 | 30.98 | 29.30 | 30.49 | 30.49 | 1,933,014 |
| Oct 17, 2025 | 29.08 | 29.28 | 28.46 | 29.05 | 29.05 | 1,772,405 |
| Oct 16, 2025 | 29.11 | 29.60 | 29.01 | 29.33 | 29.33 | 2,613,238 |
| Oct 15, 2025 | 28.25 | 29.65 | 27.84 | 28.88 | 28.88 | 3,079,096 |
| Oct 14, 2025 | 26.70 | 28.25 | 26.54 | 27.61 | 27.61 | 1,989,532 |
| Oct 13, 2025 | 26.93 | 27.55 | 26.58 | 27.41 | 27.41 | 1,444,729 |
| Oct 10, 2025 | 27.68 | 27.90 | 25.87 | 25.92 | 25.92 | 2,454,244 |
| Oct 9, 2025 | 28.36 | 28.36 | 27.02 | 27.76 | 27.76 | 2,532,198 |
| Oct 8, 2025 | 27.52 | 28.30 | 27.38 | 28.28 | 28.28 | 3,230,829 |
| Oct 7, 2025 | 28.51 | 28.58 | 26.97 | 27.50 | 27.50 | 1,756,704 |
| Oct 6, 2025 | 28.88 | 28.99 | 27.80 | 28.22 | 28.22 | 1,905,711 |
| Oct 3, 2025 | 28.64 | 28.83 | 28.12 | 28.32 | 28.32 | 1,546,221 |
| Oct 2, 2025 | 28.91 | 28.98 | 28.25 | 28.41 | 28.41 | 1,486,966 |
| Oct 1, 2025 | 28.97 | 29.18 | 28.04 | 28.42 | 28.42 | 1,742,970 |
| Sep 30, 2025 | 29.26 | 29.63 | 28.85 | 29.20 | 29.20 | 1,274,186 |
| Sep 29, 2025 | 30.18 | 30.31 | 29.14 | 29.16 | 29.16 | 1,497,645 |
| Sep 26, 2025 | 30.02 | 30.43 | 29.52 | 29.71 | 29.71 | 966,122 |
| Sep 25, 2025 | 30.44 | 30.64 | 29.73 | 29.93 | 29.93 | 1,343,998 |
| Sep 24, 2025 | 31.40 | 31.74 | 31.00 | 31.07 | 31.07 | 919,164 |
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.
The Quiver API serves daily prices back to 2014 alongside congressional trades, insider trades, 13F holdings and lobbying, all under one key and inside Claude or ChatGPT through our MCP server.
Explore the Quiver APIWe estimate that -- received a compensation of -- in --, making them the highest paid executive at ALGM, per a recent SEC DEF 14A filing. We estimate that the median employee at ALLEGRO MICROSYSTEMS, INC. is paid $10,410.
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