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, Q3 2021
Institutional positions in Allegro Microsystems, Inc. as of Sep 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
- 153
- +24 vs. Q2 2021
- Shares held
- 84.7M
- +4.66M (+5.8%) vs. Q2 2021
- Total value
- $2.71B
- +$490.2M (+22.1%) vs. Q2 2021
- New holders
- 34
- 54 more added
- Sold out
- 10
- 52 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parametric Portfolio Associates LLC | 85,524 | $2.73M | 0.00% | +48,256+129.5% | Added |
| Penn Capital Management Co Inc | 86,600 | $2.77M | 0.28% | +6,530+8.2% | Added |
| FMR LLC | 89,597 | $2.86M | 0.00% | +86,660+2,950.6% | Added |
| Arosa Capital Management LP | 95,400 | $3.05M | 1.08% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 112,201 | $3.59M | 0.05% | +73,037+186.5% | Added |
| Norges Bank | 114,534 | $3.66M | 0.00% | −72,823−38.9% | Reduced |
| Swiss National Bank | 125,300 | $4.00M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 133,175 | $4.26M | 0.01% | +133,175 | New |
| Ameriprise Financial Inc | 136,504 | $4.36M | 0.00% | −46,214−25.3% | Reduced |
| Squarepoint Ops LLC | 139,288 | $4.45M | 0.03% | +33,577+31.8% | Added |
| Trillium Asset Management, LLC | 140,265 | $4.48M | 0.12% | +18,191+14.9% | Added |
| Nuveen Asset Management, LLC | 136,306 | $4.71M | 0.00% | −86,403−38.8% | Reduced |
| DekaBank Deutsche Girozentrale | 150,000 | $4.77M | 0.01% | +150,000 | New |
| D. E. Shaw & Co., Inc. | 149,253 | $4.77M | 0.01% | +114,986+335.6% | Added |
| Next Century Growth Investors LLC | 160,443 | $5.13M | 0.44% | −20,397−11.3% | Reduced |
| Tocqueville Asset Management L.P. | 163,980 | $5.24M | 0.08% | −107,395−39.6% | Reduced |
| Bank of New York Mellon Corp | 187,172 | $5.98M | 0.00% | +42,565+29.4% | Added |
| Great Lakes Advisors, LLC | 208,694 | $6.67M | 0.10% | +208,694 | New |
| Northern Trust Corp | 213,011 | $6.81M | 0.00% | −41,643−16.4% | Reduced |
| Agf Investments Inc. | 215,000 | $6.87M | 0.05% | +215,000 | New |
| S Squared Technology, LLC | 232,451 | $7.43M | 3.37% | −10,000−4.1% | Reduced |
| Pier Capital, LLC | 233,320 | $7.46M | 0.77% | −158,654−40.5% | Reduced |
| FengHe Fund Management Pte. Ltd. | 259,000 | $8.28M | 7.25% | +259,000 | New |
| Arrowstreet Capital, Limited Partnership | 264,379 | $8.45M | 0.01% | +94,454+55.6% | Added |
| Millennium Management LLC | 297,672 | $9.51M | 0.01% | +196,003+192.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 301,902 | $9.65M | 0.05% | −56,148−15.7% | Reduced |
| Balyasny Asset Management LLC | 329,472 | $10.5M | 0.05% | +329,472 | New |
| Bank of America Corp | 347,423 | $11.1M | 0.00% | +76,499+28.2% | Added |
| American Century Companies Inc | 354,130 | $11.3M | 0.01% | +74,890+26.8% | Added |
| Charles Schwab Investment Management Inc | 414,507 | $13.2M | 0.00% | +119,604+40.6% | Added |
| ArrowMark Colorado Holdings LLC | 486,535 | $15.6M | 0.12% | −168,675−25.7% | Reduced |
| Morgan Stanley | 589,505 | $18.8M | 0.00% | +320,782+119.4% | Added |
| Adage Capital Partners GP, L.L.C. | 733,473 | $23.4M | 0.05% | +254,506+53.1% | Added |
| Geode Capital Management, LLC | 776,831 | $24.8M | 0.00% | +121,101+18.5% | Added |
| Bamco Inc | 778,795 | $24.9M | 0.06% | −96,205−11.0% | Reduced |
| Shelter Haven Capital Management, L.P. | 1,037,786 | $33.2M | 10.54% | −229,090−18.1% | Reduced |
| Schroder Investment Management Group | 1,090,942 | $34.9M | 0.06% | −3,931−0.4% | Reduced |
| TimesSquare Capital Management, LLC | 1,288,010 | $41.2M | 0.36% | −562,100−30.4% | Reduced |
| Federated Hermes, Inc. | 1,450,000 | $46.3M | 0.09% | 00.0% | Unchanged |
| First Trust Advisors LP | 1,467,093 | $46.9M | 0.05% | +1,467,093 | New |
| Goldman Sachs Group Inc | 1,520,431 | $48.6M | 0.01% | +205,313+15.6% | Added |
| State Street Corp | 1,742,926 | $55.7M | 0.00% | −127,074−6.8% | Reduced |
| Principal Financial Group Inc | 1,781,882 | $56.9M | 0.04% | +56,275+3.3% | Added |
| BlackRock Inc. | 1,882,958 | $60.2M | 0.00% | −93,998−4.8% | Reduced |
| Franklin Resources Inc | 1,981,120 | $63.3M | 0.02% | −209,058−9.5% | Reduced |
| Macquarie Group Ltd | 2,494,530 | $79.7M | 0.07% | +314,108+14.4% | Added |
| JPMorgan Chase & Co | 3,304,689 | $105.6M | 0.01% | −119,704−3.5% | Reduced |
| Clearbridge Investments, LLC | 3,394,487 | $108.5M | 0.08% | −8,515−0.3% | Reduced |
| Alliancebernstein L.P. | 3,640,934 | $116.4M | 0.05% | +165,689+4.8% | Added |
| Invesco Ltd. | 3,802,165 | $121.5M | 0.03% | +618,266+19.4% | Added |
| Wells Fargo & Company | 4,904,547 | $156.8M | 0.04% | +1,212,621+32.8% | Added |
| Vanguard Group Inc | 5,461,425 | $174.5M | 0.00% | +269,788+5.2% | Added |
| Oep Capital Advisors, L.P. | 31,254,247 | $998.9M | 75.63% | 00.0% | Unchanged |
| Capital Research Global Investors | 0 | $0 | 0.00% | −318,541−100.0% | Sold out |
| Zweig-DiMenna Associates LLC | 0 | $0 | 0.00% | −87,323−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −52,047−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −34,893−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −21,799−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −17,543−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −14,156−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −9,794−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −9,290−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −4,720−100.0% | Sold out |