ALGM Allegro Microsystems Inc.
Information Technology, filed as ALLEGRO MICROSYSTEMS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 Lee Ainslie trimmed Allegro Microsystems.
Who owns this now
Largest portfolio weights among holders, up to 0.0% (Lee Ainslie, Maverick Capital). Not free-float ownership.
Who owns ALGM
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Lee Ainslie, Maverick Capital | Reduce −76.1% | 10,094 | $703K | History |
Insider trades
Open-market buys and sales by ALGM's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $3.5M sold by 8 insiders outside a trading plan
- $1.7M sold by 3 insiders under 10b5-1 plans
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Jennie Raubacher DirectorPlanned sale$45K 1,000 shares at $45.32 6.7% of stakeTraded Aug 17 Filed Aug 18
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Erin Hagen SVP, CHROPlanned sale$101K 2,285 shares at $44.39 6.9% of stakeTraded Aug 10 Filed Aug 12
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Richard Madormo SVP, Worldwide SalesSale$264K 5,000 shares at $52.72 6.7% of stakeTraded Jun 3 Filed Jun 4
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Troy Coleman SVP, General Manager, ProductsSale$206K 4,500 shares at $45.72 5.5% of stakeTraded May 22 Filed May 26
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Roald Graham Webster VP, Chief Accounting OfficerSale$234K 5,217 shares at $44.89 29% of stakeTraded May 21 Filed May 22
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Ian Kent SVP, Global OperationsSale$110K 2,642 shares at $41.56 9.4% of stakeTraded May 18 Filed May 19
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Susan D Lynch DirectorSale$760K 16,711 shares at $45.46 57% of stakeTraded May 14 Filed May 15
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Sharon Briansky SVP, GC and SecretarySale$425K 8,948 shares at $47.54 11% of stakeTraded May 11 Filed May 13
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Michael Doogue CEOSale$1.4M 30,089 shares at $47.23 11% of stakeTraded May 11 Filed May 13
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Sharon Briansky SVP, GC and SecretaryPlanned sale$340K 9,727 shares at $35.00 10% of stakeTraded Mar 2 Filed Mar 3
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Erin Hagen SVP, CHROSale$91K 2,598 shares at $35.00 7.9% of stakeTraded Mar 2 Filed Mar 3
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Sharon Briansky SVP, GC and SecretaryPlanned sale$385K 9,258 shares at $41.56 8.2% of stakeTraded Feb 17 Filed Feb 18
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Sharon Briansky SVP, GC and SecretaryPlanned sale$836K 27,873 shares at $30.00 19% of stakeTraded Dec 10, 2025 Filed Dec 12, 2025
Also filed in the last 12 months, not counted as buying or selling: 20 stock grants, 13 share withholdings for taxes, and 1 sale back to the company.
Congress
2 members of Congress traded ALGM in the last three years: 3 buys and 2 sales. 3 members listed it in 2025 annual reports.
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Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Sep 29
filed Oct 12
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Josh Gottheimer
Buy
$1K–$15K
Oct 17, 2024
filed Nov 6, 2024
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Josh Gottheimer
Sell
$1K–$15K
Sep 16, 2024
filed Oct 3, 2024
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Josh Gottheimer
Buy
$1K–$15K
Jan 11, 2024
filed Feb 15, 2024
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Josh Gottheimer
Partial sale
$1K–$15K
Dec 11, 2023
filed Jan 7, 2024
SEC filings
Recent issuer filings from EDGAR, 14 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 10-Q | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 5.07,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| DEF 14A | Filing Doc | ||
| DEFA14A | Filing Doc | ||
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 10-K | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
| Metric | FY2023 | FY2024 | FY2025 | FY2026 |
|---|---|---|---|---|
| Total current assets | $665.83M | $572.21M | $483.04M | $503.61M |
| Total non-current assets * | $515.33M | $958.39M | $937.92M | $912.57M |
| Total assets | $1.18B | $1.53B | $1.42B | $1.42B |
| Total current liabilities | $165.32M | $117.91M | $112.26M | $145.92M |
| Total non-current liabilities * | $49.02M | $280.98M | $377.6M | $313.8M |
| Total equity | $0.966B | $1.13B | $0.93B | $0.955B |
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.