ALLEGRO MICROSYSTEMS, INC. (ALGM) Stock
3 members of Congress disclosed 10 trades in ALGM since 2021: 7 purchases and 3 sales, most recently Gilbert Cisneros (purchase, Sep 29, 2026). 2 of the hedge funds AlphaScala tracks reported ALGM in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Marshall Wace's at $926.6K. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Nov 5, 2026.
Which members of Congress traded ALLEGRO MICROSYSTEMS, INC. (ALGM)?
Most recent: Gilbert Cisneros (purchase, Sep 29, 2026); records start Feb 5, 2021.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Gil Cisneros D-CA · House | 2026-09-29 | purchase | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2024-10-17 | purchase | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2024-09-16 | sale | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2024-01-11 | purchase | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2023-12-11 | partial sale | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2023-10-27 | purchase | $1k – $15k |
| Josh Gottheimer D-NJ · House | 2023-01-23 | purchase | $1k – $15k |
| Susie Lee D-NV · House | 2021-05-26 | sale | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Nov 5, 2026.
See all ALGM political trades →Which hedge funds own ALGM?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Marshall Wace | 13K | $926.6K | -98% |
| Maverick Capital Lee Ainslie | 10K | $702.7K | -76% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are ALLEGRO MICROSYSTEMS, INC. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 17, 26 | Raubacher Jennie | Director | SELL | 1.0K | $45K |
| Aug 10, 26 | Hagen Erin | SVP, CHRO | SELL | 2.3K | $101K |
SEC Form 4 filings as of Nov 5, 2026
See cluster-buy signals across all tickers →ALGM price chart
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Allegro MicroSystems, Inc. is a global leader in designing, developing, manufacturing, and marketing sensor integrated circuits and application-specific power integrated circuits for motion control and energy-efficient systems. The company specializes in magnetic sensor ICs, including position, speed, and current sensors, as well as power ICs such as motor driver ICs, regulators, power management ICs, LED drivers, and isolated gate drivers. These products enable precise sensing, regulation, and driving of electro-mechanical systems in key applications like advanced driver-assistance systems, electric vehicles, clean energy generation, hyperscale data centers, robotics, factory automation, and advanced mobility. Allegro MicroSystems serves original equipment manufacturers and distributors in the automotive and industrial markets through direct sales, third-party distributors, and independent representatives across regions including the United States, Europe, Japan, Greater China, South Korea, and other Asian markets. Founded in 1990 and headquartered in Manchester, New Hampshire, the company delivers intelligent solutions that support e-mobility, green energy, and automation worldwide.