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 |
|---|---|---|---|---|---|
| Lindbrook Capital, LLC | 16 | $1.00K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 35 | $1.00K | 0.00% | +35 | New |
| Bellevue Asset Management, LLC | 65 | $2.00K | 0.00% | −39−37.5% | Reduced |
| Lee Financial Co | 43 | $2.00K | 0.00% | +43 | New |
| Standard Family Office LLC | 88 | $3.00K | 0.03% | +88 | New |
| Howe & Rusling Inc | 109 | $4.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 115 | $4.00K | 0.00% | +45+64.3% | 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 |
| US Bancorp | 227 | $8.00K | 0.00% | +185+440.5% | Added |
| Prestige Wealth Management Group LLC | 254 | $9.00K | 0.00% | +254 | New |
| Covestor Ltd | 256 | $9.00K | 0.01% | +256 | New |
| Ellevest, Inc. | 339 | $12.0K | 0.00% | −56−14.2% | Reduced |
| 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 |
| Captrust Financial Advisors | 418 | $15.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 551 | $20.0K | 0.00% | +54+10.9% | Added |
| Tower Research Capital LLC (TRC) | 679 | $25.0K | 0.00% | −994−59.4% | Reduced |
| American International Group, Inc. | 762 | $28.0K | 0.00% | −27−3.4% | Reduced |
| Group One Trading, L.P. | 800 | $29.0K | 0.00% | −1,100−57.9% | Reduced |
| Point72 Hong Kong Ltd | 905 | $33.0K | 0.00% | +905 | New |
| West Bancorporation Inc | 1,000 | $36.0K | 0.03% | +1,000 | New |
| State of Wyoming | 1,015 | $37.0K | 0.02% | +1,015 | New |
| Vigilant Capital Management, LLC | 1,100 | $40.0K | 0.00% | 00.0% | Unchanged |
| JJJ Advisors Inc. | 1,229 | $44.0K | 0.01% | +308+33.4% | Added |
| Quent Capital, LLC | 1,702 | $62.0K | 0.01% | +1,702 | New |
| Private Capital Group, LLC | 2,370 | $86.0K | 0.02% | −33−1.4% | Reduced |
| Metropolitan Life Insurance Co | 2,670 | $96.6K | 0.00% | −21−0.8% | Reduced |
| Exchange Traded Concepts, LLC | 2,957 | $107.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 3,000 | $108.5K | 0.00% | +1,000+50.0% | Added |
| Shell Asset Management Co | 3,570 | $129.0K | 0.00% | −33−0.9% | Reduced |
| SG Americas Securities, LLC | 4,629 | $167.0K | 0.00% | −25,822−84.8% | Reduced |
| Advisor Group Holdings, Inc. | 5,414 | $196.0K | 0.00% | +704+14.9% | Added |
| Advisors Asset Management, Inc. | 5,600 | $202.6K | 0.00% | +3,913+232.0% | Added |
| Twin Tree Management, LP | 5,661 | $205.0K | 0.00% | +5,661 | New |
| Versor Investments LP | 6,000 | $217.0K | 0.01% | +6,000 | New |
| Hancock Whitney Corp | 6,444 | $233.0K | 0.01% | +6,444 | New |
| 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 |
| FourThought Financial, LLC | 7,158 | $259.0K | 0.03% | +129+1.8% | Added |
| HSBC Holdings PLC | 7,811 | $283.0K | 0.00% | −404−4.9% | Reduced |
| CIBC Asset Management Inc | 8,143 | $295.0K | 0.00% | +146+1.8% | Added |
| Dimensional Fund Advisors LP | 8,189 | $296.0K | 0.00% | −221−2.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 8,440 | $305.0K | 0.01% | +8,440 | New |
| Amalgamated Bank | 8,480 | $307.0K | 0.00% | +1,192+16.4% | Added |
| M&T Bank Corp | 9,496 | $344.0K | 0.00% | +469+5.2% | Added |
| Natixis Advisors, L.P. | 10,121 | $366.0K | 0.00% | +10,121 | New |
| Oppenheimer Asset Management Inc. | 10,720 | $388.0K | 0.01% | +1,367+14.6% | Added |
| Teacher Retirement System of Texas | 11,031 | $399.0K | 0.00% | +1,872+20.4% | Added |
| Janus Henderson Group PLC | 11,182 | $405.0K | 0.00% | +11,182 | New |
| Acadian Asset Management LLC | 11,880 | $429.0K | 0.00% | +11,880 | New |
| Royal Bank of Canada | 12,645 | $457.0K | 0.00% | +2,644+26.4% | Added |
| ProShare Advisors LLC | 13,358 | $483.0K | 0.00% | +4,381+48.8% | Added |
| Handelsbanken Fonder AB | 13,700 | $496.0K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 14,077 | $509.0K | 0.01% | +14,077 | New |
| Donoghue Forlines LLC | 14,437 | $522.0K | 0.09% | −1,917−11.7% | Reduced |
| DuPont Capital Management Corp | 14,508 | $525.0K | 0.02% | −1,279−8.1% | Reduced |
| Treasurer of the State of North Carolina | 14,549 | $526.0K | 0.00% | +90+0.6% | Added |
| Virginia Retirement Systems Et Al | 14,700 | $532.0K | 0.00% | +14,700 | New |
| Needham Investment Management LLC | 15,000 | $543.0K | 0.07% | −3,000−16.7% | Reduced |
| UBS Group AG | 15,063 | $545.0K | 0.00% | +7,134+90.0% | Added |
| Seascape Capital Management | 15,270 | $552.0K | 0.26% | −10,750−41.3% | Reduced |
| Arizona State Retirement System | 15,313 | $554.0K | 0.00% | −180−1.2% | Reduced |
| Pathstone Family Office, LLC | 15,454 | $559.0K | 0.01% | +69+0.4% | Added |
| Sigma Planning Corp | 15,711 | $568.0K | 0.02% | +15,711 | New |
| Advisory Research Inc | 17,183 | $622.0K | 0.05% | +8,621+100.7% | Added |
| PDT Partners, LLC | 17,348 | $628.0K | 0.05% | +17,348 | New |
| Avidian Wealth Solutions, LLC | 18,000 | $651.0K | 0.04% | 00.0% | Unchanged |
| Trexquant Investment LP | 18,294 | $662.0K | 0.04% | +4,472+32.4% | Added |
| Toth Financial Advisory Corp | 18,400 | $666.0K | 0.09% | 00.0% | Unchanged |
| Voya Investment Management LLC | 20,007 | $724.0K | 0.00% | +7,323+57.7% | Added |
| Polar Capital Holdings Plc | 20,033 | $725.0K | 0.00% | +20,033 | New |
| Russell Investments Group, Ltd. | 20,500 | $741.0K | 0.00% | +8,542+71.4% | Added |
| Public Employees Retirement System of Ohio | 21,615 | $782.0K | 0.00% | −794−3.5% | Reduced |
| Voloridge Investment Management, LLC | 21,870 | $791.0K | 0.00% | +6,713+44.3% | Added |
| Infini Master Fund | 23,613 | $854.0K | 2.17% | +23,613 | New |
| Infini Capital Management Ltd | 23,613 | $854.0K | 2.17% | +23,613 | New |
| Cna Financial Corp | 29,269 | $1.06M | 0.28% | −2,020−6.5% | Reduced |
| Allstate Corp | 31,445 | $1.14M | 0.02% | −2,193−6.5% | Reduced |
| Deutsche Bank AG | 32,035 | $1.16M | 0.00% | +26,832+515.7% | Added |
| Cubist Systematic Strategies, LLC | 32,880 | $1.19M | 0.01% | −79,321−70.7% | Reduced |
| Stifel Financial Corp | 33,224 | $1.20M | 0.00% | +33,224 | New |
| Credit Suisse AG | 35,286 | $1.28M | 0.00% | −7,363−17.3% | Reduced |
| Marshall Wace, LLP | 35,734 | $1.29M | 0.00% | +35,734 | New |
| Millennium Management LLC | 36,161 | $1.31M | 0.00% | −261,511−87.9% | Reduced |
| Citigroup Inc | 37,192 | $1.35M | 0.00% | −6,164−14.2% | Reduced |
| BIT Capital GmbH | 38,042 | $1.38M | 0.11% | +38,042 | New |
| PFS Investments Inc. | 38,076 | $1.38M | 0.03% | +6,356+20.0% | Added |
| Rhumbline Advisers | 39,426 | $1.43M | 0.00% | −1,668−4.1% | Reduced |
| Envestnet Asset Management Inc | 39,491 | $1.43M | 0.00% | +1,110+2.9% | Added |
| Raymond James & Associates | 40,488 | $1.47M | 0.00% | +1,886+4.9% | Added |
| State of Alaska, Department of Revenue | 40,760 | $1.47M | 0.01% | +40,760 | New |
| Legal & General Group Plc | 41,185 | $1.49M | 0.00% | +41+0.1% | Added |
| Pentwater Capital Management LP | 42,700 | $1.54M | 0.02% | −27,300−39.0% | Reduced |
| Man Group plc | 46,231 | $1.67M | 0.01% | +9,266+25.1% | Added |
| Parametric Portfolio Associates LLC | 50,121 | $1.81M | 0.00% | −35,403−41.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 51,309 | $1.86M | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 51,309 | $1.86M | 0.00% | 00.0% | Unchanged |
| Old Mission Capital LLC | 51,992 | $1.88M | 0.09% | +39,657+321.5% | Added |