Allegro Microsystems, Inc.
ALGM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000866291
In the last 90 days, Allegro Microsystems, Inc. insiders filed 0 open-market purchases and 2 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $10.2B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q2 2021
Institutional positions in Allegro Microsystems, Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 129
- +8 vs. Q1 2021
- Shares held
- 80.0M
- +3.88M (+5.1%) vs. Q1 2021
- Total value
- $2.22B
- +$286.3M (+14.8%) vs. Q1 2021
- New holders
- 34
- 53 more added
- Sold out
- 26
- 33 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALGM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 375 | $10.2B |
| Q1 2026 | 322 | $4.32B |
| Q4 2025 | 294 | $3.60B |
| Q3 2025 | 296 | $3.97B |
| Q2 2025 | 274 | $4.99B |
| Q1 2025 | 292 | $3.96B |
| Q4 2024 | 256 | $3.11B |
| Q3 2024 | 248 | $3.32B |
| Q2 2024 | 268 | $3.03B |
| Q1 2024 | 277 | $2.80B |
| Q4 2023 | 288 | $2.91B |
| Q3 2023 | 312 | $2.99B |
| Q2 2023 | 353 | $4.41B |
| Q1 2023 | 314 | $4.67B |
| Q4 2022 | 219 | $2.89B |
| Q3 2022 | 170 | $1.97B |
| Q2 2022 | 172 | $1.83B |
| Q1 2022 | 173 | $2.54B |
| Q4 2021 | 165 | $3.18B |
| Q3 2021 | 153 | $2.71B |
| Q2 2021 | 129 | $2.22B |
| Q1 2021 | 123 | $1.98B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Holocene Advisors, LP | 9,290 | $257.0K | 0.00% | +9,290 | New |
| Oppenheimer Asset Management Inc. | 9,241 | $256.0K | 0.00% | +9,241 | New |
| Teacher Retirement System of Texas | 7,314 | $203.0K | 0.00% | +7,314 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,300 | $147.0K | 0.00% | +5,300 | New |
| Panagora Asset Management Inc | 4,720 | $131.0K | 0.00% | +268+6.0% | Added |
| Advisor Group Holdings, Inc. | 4,398 | $123.0K | 0.00% | −5,923−57.4% | Reduced |
| Shell Asset Management Co | 3,743 | $104.0K | 0.00% | +3,743 | New |
| Metropolitan Life Insurance Co | 3,558 | $98.6K | 0.00% | +1,614+83.0% | Added |
| Exchange Traded Concepts, LLC | 3,087 | $86.0K | 0.00% | +514+20.0% | Added |
| Tower Research Capital LLC (TRC) | 3,100 | $85.0K | 0.00% | +2,358+317.8% | Added |
| FMR LLC | 2,937 | $82.0K | 0.00% | −7,041−70.6% | Reduced |
| Private Capital Group, LLC | 1,925 | $53.0K | 0.01% | +1,925 | New |
| Group One Trading, L.P. | 1,300 | $36.0K | 0.00% | −459−26.1% | Reduced |
| Vigilant Capital Management, LLC | 1,100 | $30.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 1,086 | $30.0K | 0.00% | +330+43.7% | Added |
| JJJ Advisors Inc. | 748 | $21.0K | 0.01% | +552+281.6% | Added |
| Simplex Trading, LLC | 663 | $18.0K | 0.00% | +548+476.5% | Added |
| The PNC Financial Services Group, Inc. | 388 | $11.0K | 0.00% | +81+26.4% | Added |
| Ellevest, Inc. | 330 | $9.00K | 0.00% | +330 | New |
| Captrust Financial Advisors | 282 | $8.00K | 0.00% | −16−5.4% | Reduced |
| Meeder Asset Management Inc | 96 | $3.00K | 0.00% | −17,069−99.4% | Reduced |
| Howe & Rusling Inc | 96 | $3.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 103 | $2.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 70 | $2.00K | 0.00% | +33+89.2% | Added |
| UBS Group AG | 45 | $1.00K | 0.00% | −19,374−99.8% | Reduced |
| US Bancorp | 42 | $1.00K | 0.00% | +42 | New |
| Berman Capital Advisors, LLC | 57 | $1.00K | 0.00% | +57 | New |
| Lindbrook Capital, LLC | 16 | $0 | 0.00% | −29−64.4% | Reduced |
| Quadrant Capital Group LLC | 11 | $0 | 0.00% | +11 | New |
| Emerald Mutual Fund Advisers Trust | 0 | $0 | 0.00% | −745,064−100.0% | Sold out |
| Emerald Advisers, LLC | 0 | $0 | 0.00% | −693,418−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −614,252−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −369,934−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −258,792−100.0% | Sold out |
| Discovery Capital Management, LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −91,503−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −83,335−100.0% | Sold out |
| Washington Harbour Partners LP | 0 | $0 | 0.00% | −70,623−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −50,327−100.0% | Sold out |
| Three Peaks Capital Management, LLC | 0 | $0 | 0.00% | −49,518−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −36,766−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −34,706−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −15,170−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,137−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −13,251−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −12,602−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −12,033−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −8,239−100.0% | Sold out |
| Friess Associates LLC | 0 | $0 | 0.00% | −3,896−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −3,859−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −303−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −188−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Waddell & Reed Financial Inc | – | – | – | – | Not filed |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |