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 |
|---|---|---|---|---|---|
| Pendal Group Limited | 52,377 | $1.90M | 0.02% | +52,377 | New |
| Ergoteles LLC | 56,953 | $2.06M | 0.08% | +56,953 | New |
| Los Angeles Capital Management LLC | 64,403 | $2.33M | 0.01% | +33+0.1% | Added |
| Susquehanna International Group, LLP | 69,593 | $2.52M | 0.00% | +49,819+251.9% | Added |
| California State Teachers Retirement System | 69,892 | $2.53M | 0.00% | −11,666−14.3% | Reduced |
| Alps Advisors Inc | 71,123 | $2.57M | 0.03% | −9,057−11.3% | Reduced |
| UBS Asset Management Americas Inc | 76,271 | $2.76M | 0.00% | +1,727+2.3% | Added |
| Aviva PLC | 77,120 | $2.79M | 0.01% | +22,802+42.0% | Added |
| ExodusPoint Capital Management, LP | 84,744 | $3.07M | 0.04% | +84,744 | New |
| Verition Fund Management LLC | 90,494 | $3.27M | 0.04% | +90,494 | New |
| Penn Capital Management Co Inc | 95,218 | $3.37M | 0.34% | +8,618+10.0% | Added |
| Nuveen Asset Management, LLC | 119,962 | $3.94M | 0.00% | −16,344−12.0% | Reduced |
| Swiss National Bank | 125,300 | $4.53M | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 131,587 | $4.76M | 0.02% | −197,885−60.1% | Reduced |
| Arosa Capital Management LP | 135,400 | $4.90M | 1.79% | +40,000+41.9% | Added |
| Tocqueville Asset Management L.P. | 137,640 | $4.98M | 0.07% | −26,340−16.1% | Reduced |
| Norges Bank | 146,834 | $5.31M | 0.00% | +32,300+28.2% | Added |
| Ameriprise Financial Inc | 152,204 | $5.51M | 0.00% | +15,700+11.5% | Added |
| Next Century Growth Investors LLC | 153,122 | $5.54M | 0.50% | −7,321−4.6% | Reduced |
| Trillium Asset Management, LLC | 155,467 | $5.63M | 0.13% | +15,202+10.8% | Added |
| D. E. Shaw & Co., Inc. | 155,810 | $5.64M | 0.01% | +6,557+4.4% | Added |
| SEI Investments Co | 162,224 | $5.86M | 0.01% | +119,485+279.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 174,205 | $6.30M | 0.01% | +167,282+2,416.3% | Added |
| Bank of New York Mellon Corp | 183,024 | $6.62M | 0.00% | −4,148−2.2% | Reduced |
| Victory Capital Management Inc | 201,536 | $7.29M | 0.01% | +126,640+169.1% | Added |
| Great Lakes Advisors, LLC | 208,711 | $7.55M | 0.11% | +170.0% | Added |
| Arrowstreet Capital, Limited Partnership | 209,071 | $7.56M | 0.01% | −55,308−20.9% | Reduced |
| Agf Investments Inc. | 215,000 | $7.78M | 0.06% | 00.0% | Unchanged |
| Northern Trust Corp | 220,784 | $7.99M | 0.00% | +7,773+3.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 225,607 | $8.21M | 0.03% | −76,295−25.3% | Reduced |
| S Squared Technology, LLC | 282,451 | $10.2M | 4.57% | +50,000+21.5% | Added |
| New York State Common Retirement Fund | 317,701 | $11.5M | 0.01% | +273,401+617.2% | Added |
| Islet Management, LP | 350,000 | $12.7M | 0.70% | +350,000 | New |
| Bank of America Corp | 351,532 | $12.7M | 0.00% | +4,109+1.2% | Added |
| Pier Capital, LLC | 357,507 | $12.9M | 1.36% | +124,187+53.2% | Added |
| Thrivent Financial for Lutherans | 385,117 | $13.9M | 0.03% | +385,117 | New |
| DekaBank Deutsche Girozentrale | 400,000 | $14.2M | 0.03% | +250,000+166.7% | Added |
| Charles Schwab Investment Management Inc | 424,454 | $15.4M | 0.00% | +9,947+2.4% | Added |
| ArrowMark Colorado Holdings LLC | 467,159 | $16.9M | 0.14% | −19,376−4.0% | Reduced |
| Wells Fargo & Company | 594,240 | $21.5M | 0.01% | −4,310,307−87.9% | Reduced |
| Morgan Stanley | 712,838 | $25.8M | 0.00% | +123,333+20.9% | Added |
| Bamco Inc | 778,795 | $28.2M | 0.06% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 892,151 | $32.3M | 0.00% | +115,320+14.8% | Added |
| Schroder Investment Management Group | 1,186,891 | $42.9M | 0.06% | +95,949+8.8% | Added |
| Adage Capital Partners GP, L.L.C. | 1,255,354 | $45.4M | 0.08% | +521,881+71.2% | Added |
| Parsifal Capital Management, LP | 1,337,806 | $48.4M | 3.62% | +1,337,806 | New |
| Goldman Sachs Group Inc | 1,481,881 | $53.6M | 0.01% | −38,550−2.5% | Reduced |
| Federated Hermes, Inc. | 1,485,515 | $53.7M | 0.10% | +35,515+2.4% | Added |
| Franklin Resources Inc | 1,511,559 | $54.7M | 0.02% | −469,561−23.7% | Reduced |
| Shelter Haven Capital Management, L.P. | 1,585,864 | $57.4M | 16.33% | +548,078+52.8% | Added |
| First Trust Advisors LP | 1,760,351 | $63.7M | 0.06% | +293,258+20.0% | Added |
| Principal Financial Group Inc | 1,804,986 | $65.3M | 0.04% | +23,104+1.3% | Added |
| BlackRock Inc. | 1,878,470 | $68.0M | 0.00% | −4,488−0.2% | Reduced |
| TimesSquare Capital Management, LLC | 2,006,527 | $72.6M | 0.64% | +718,517+55.8% | Added |
| State Street Corp | 2,379,827 | $86.1M | 0.00% | +636,901+36.5% | Added |
| Macquarie Group Ltd | 2,472,006 | $89.4M | 0.07% | −22,524−0.9% | Reduced |
| Artisan Partners Limited Partnership | 2,628,245 | $95.1M | 0.11% | +2,628,245 | New |
| Alliancebernstein L.P. | 3,127,839 | $113.2M | 0.04% | −513,095−14.1% | Reduced |
| Clearbridge Investments, LLC | 3,397,910 | $122.9M | 0.08% | +3,423+0.1% | Added |
| JPMorgan Chase & Co | 3,594,298 | $130.0M | 0.02% | +289,609+8.8% | Added |
| FMR LLC | 3,841,816 | $139.0M | 0.01% | +3,752,219+4,187.9% | Added |
| Invesco Ltd. | 3,982,122 | $144.1M | 0.03% | +179,957+4.7% | Added |
| Allspring Global Investments Holdings, LLC | 4,546,844 | $164.5M | 0.18% | +4,546,844 | New |
| Vanguard Group Inc | 6,235,522 | $225.6M | 0.01% | +774,097+14.2% | Added |
| Oep Capital Advisors, L.P. | 22,629,247 | $818.7M | 70.78% | −8,625,000−27.6% | Reduced |
| 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 |