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, Q4 2021
Institutional positions in Allegro Microsystems, Inc. as of Dec 31, 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
- 165
- +14 vs. Q3 2021
- Shares held
- 88.0M
- +3.30M (+3.9%) vs. Q3 2021
- Total value
- $3.18B
- +$475.9M (+17.6%) vs. Q3 2021
- New holders
- 38
- 67 more added
- Sold out
- 24
- 45 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pathstone Family Office, LLC | 15,454 | $559.0K | 0.01% | +69+0.4% | Added |
| Arizona State Retirement System | 15,313 | $554.0K | 0.00% | −180−1.2% | Reduced |
| Seascape Capital Management | 15,270 | $552.0K | 0.26% | −10,750−41.3% | Reduced |
| UBS Group AG | 15,063 | $545.0K | 0.00% | +7,134+90.0% | Added |
| Needham Investment Management LLC | 15,000 | $543.0K | 0.07% | −3,000−16.7% | Reduced |
| Virginia Retirement Systems Et Al | 14,700 | $532.0K | 0.00% | +14,700 | New |
| Treasurer of the State of North Carolina | 14,549 | $526.0K | 0.00% | +90+0.6% | Added |
| DuPont Capital Management Corp | 14,508 | $525.0K | 0.02% | −1,279−8.1% | Reduced |
| Donoghue Forlines LLC | 14,437 | $522.0K | 0.09% | −1,917−11.7% | Reduced |
| Advisory Services Network, LLC | 14,077 | $509.0K | 0.01% | +14,077 | New |
| Handelsbanken Fonder AB | 13,700 | $496.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 13,358 | $483.0K | 0.00% | +4,381+48.8% | Added |
| Royal Bank of Canada | 12,645 | $457.0K | 0.00% | +2,644+26.4% | Added |
| Acadian Asset Management LLC | 11,880 | $429.0K | 0.00% | +11,880 | New |
| Janus Henderson Group PLC | 11,182 | $405.0K | 0.00% | +11,182 | New |
| Teacher Retirement System of Texas | 11,031 | $399.0K | 0.00% | +1,872+20.4% | Added |
| Oppenheimer Asset Management Inc. | 10,720 | $388.0K | 0.01% | +1,367+14.6% | Added |
| Natixis Advisors, L.P. | 10,121 | $366.0K | 0.00% | +10,121 | New |
| M&T Bank Corp | 9,496 | $344.0K | 0.00% | +469+5.2% | Added |
| Amalgamated Bank | 8,480 | $307.0K | 0.00% | +1,192+16.4% | Added |
| Susquehanna Fundamental Investments, LLC | 8,440 | $305.0K | 0.01% | +8,440 | New |
| Dimensional Fund Advisors LP | 8,189 | $296.0K | 0.00% | −221−2.6% | Reduced |
| CIBC Asset Management Inc | 8,143 | $295.0K | 0.00% | +146+1.8% | Added |
| HSBC Holdings PLC | 7,811 | $283.0K | 0.00% | −404−4.9% | Reduced |
| FourThought Financial, LLC | 7,158 | $259.0K | 0.03% | +129+1.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,046 | $255.0K | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 7,040 | $255.0K | 0.00% | +7,040 | New |
| Hancock Whitney Corp | 6,444 | $233.0K | 0.01% | +6,444 | New |
| Versor Investments LP | 6,000 | $217.0K | 0.01% | +6,000 | New |
| Twin Tree Management, LP | 5,661 | $205.0K | 0.00% | +5,661 | New |
| Advisors Asset Management, Inc. | 5,600 | $202.6K | 0.00% | +3,913+232.0% | Added |
| Advisor Group Holdings, Inc. | 5,414 | $196.0K | 0.00% | +704+14.9% | Added |
| SG Americas Securities, LLC | 4,629 | $167.0K | 0.00% | −25,822−84.8% | Reduced |
| Shell Asset Management Co | 3,570 | $129.0K | 0.00% | −33−0.9% | Reduced |
| Leonteq Securities AG | 3,000 | $108.5K | 0.00% | +1,000+50.0% | Added |
| Exchange Traded Concepts, LLC | 2,957 | $107.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,670 | $96.6K | 0.00% | −21−0.8% | Reduced |
| Private Capital Group, LLC | 2,370 | $86.0K | 0.02% | −33−1.4% | Reduced |
| Quent Capital, LLC | 1,702 | $62.0K | 0.01% | +1,702 | New |
| JJJ Advisors Inc. | 1,229 | $44.0K | 0.01% | +308+33.4% | Added |
| Vigilant Capital Management, LLC | 1,100 | $40.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 1,015 | $37.0K | 0.02% | +1,015 | New |
| West Bancorporation Inc | 1,000 | $36.0K | 0.03% | +1,000 | New |
| Point72 Hong Kong Ltd | 905 | $33.0K | 0.00% | +905 | New |
| Group One Trading, L.P. | 800 | $29.0K | 0.00% | −1,100−57.9% | Reduced |
| American International Group, Inc. | 762 | $28.0K | 0.00% | −27−3.4% | Reduced |
| Tower Research Capital LLC (TRC) | 679 | $25.0K | 0.00% | −994−59.4% | Reduced |
| Signaturefd, LLC | 551 | $20.0K | 0.00% | +54+10.9% | Added |
| Captrust Financial Advisors | 418 | $15.0K | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 400 | $14.0K | 0.00% | −21,400−98.2% | Reduced |
| The PNC Financial Services Group, Inc. | 384 | $14.0K | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 339 | $12.0K | 0.00% | −56−14.2% | Reduced |
| Prestige Wealth Management Group LLC | 254 | $9.00K | 0.00% | +254 | New |
| Covestor Ltd | 256 | $9.00K | 0.01% | +256 | New |
| US Bancorp | 227 | $8.00K | 0.00% | +185+440.5% | Added |
| Quantbot Technologies LP | 152 | $5.00K | 0.00% | −37,608−99.6% | Reduced |
| Quadrant Capital Group LLC | 127 | $5.00K | 0.00% | +15+13.4% | Added |
| Washington Trust Advisors, Inc. | 141 | $5.00K | 0.00% | +141 | New |
| Howe & Rusling Inc | 109 | $4.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 115 | $4.00K | 0.00% | +45+64.3% | Added |
| Standard Family Office LLC | 88 | $3.00K | 0.03% | +88 | New |
| Bellevue Asset Management, LLC | 65 | $2.00K | 0.00% | −39−37.5% | Reduced |
| Lee Financial Co | 43 | $2.00K | 0.00% | +43 | New |
| Lindbrook Capital, LLC | 16 | $1.00K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 35 | $1.00K | 0.00% | +35 | New |
| American Century Companies Inc | 0 | $0 | 0.00% | −354,130−100.0% | Sold out |
| FengHe Fund Management Pte. Ltd. | 0 | $0 | 0.00% | −259,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −139,288−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −133,175−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −69,487−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −57,237−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −39,349−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −34,765−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −24,994−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −23,700−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −22,093−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,935−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −13,609−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −9,211−100.0% | Sold out |
| Scopus Asset Management, L.P. | 0 | $0 | 0.00% | −7,894−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −7,328−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −6,554−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,460−100.0% | Sold out |
| NN Investment Partners Holdings N.V. | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −863−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Cahill Financial Advisors Inc | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Anchor Investment Management, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |