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 2024
Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2024. 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
- 248
- −17 vs. Q2 2024
- Shares held
- 142.7M
- +42.2M (+42.0%) vs. Q2 2024
- Total value
- $3.32B
- +$483.8M (+17.0%) vs. Q2 2024
- New holders
- 43
- 115 more added
- Sold out
- 60
- 69 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rhumbline Advisers | 363,114 | $8.46M | 0.01% | +163,857+82.2% | Added |
| S Squared Technology, LLC | 367,451 | $8.56M | 3.65% | +30,000+8.9% | Added |
| SEI Investments Co | 380,555 | $8.87M | 0.01% | +214,673+129.4% | Added |
| Schroder Investment Management Group | 431,468 | $10.5M | 0.01% | −125,733−22.6% | Reduced |
| Ghisallo Capital Management LLC | 500,000 | $11.7M | 0.58% | +500,000 | New |
| Scout Investments, Inc. | 555,902 | $11.8M | 0.31% | +166,512+42.8% | Added |
| Paloma Partners Management Co | 509,630 | $11.9M | 0.63% | +509,630 | New |
| Silvercrest Asset Management Group LLC | 523,095 | $12.2M | 0.08% | −16,090−3.0% | Reduced |
| Alyeska Investment Group, L.P. | 575,001 | $13.4M | 0.07% | +375,001+187.5% | Added |
| Comerica Bank | 580,631 | $13.5M | 0.05% | +250,443+75.8% | Added |
| New York State Common Retirement Fund | 601,679 | $14.0M | 0.02% | −130,040−17.8% | Reduced |
| Two Sigma Advisers, LP | 627,000 | $14.6M | 0.03% | +112,400+21.8% | Added |
| Bank of America Corp | 647,918 | $15.1M | 0.00% | +147,514+29.5% | Added |
| Balyasny Asset Management LLC | 653,695 | $15.2M | 0.04% | +485,188+287.9% | Added |
| Millennium Management LLC | 673,070 | $15.7M | 0.01% | −339,382−33.5% | Reduced |
| Loomis Sayles & Co L P | 784,111 | $18.3M | 0.02% | +784,111 | New |
| Northern Trust Corp | 945,707 | $22.0M | 0.00% | +424,583+81.5% | Added |
| Federated Hermes, Inc. | 1,017,116 | $23.7M | 0.05% | +314,605+44.8% | Added |
| First Trust Advisors LP | 1,056,688 | $24.6M | 0.02% | +18,616+1.8% | Added |
| GW&K Investment Management, LLC | 1,084,147 | $25.3M | 0.22% | −1,849−0.2% | Reduced |
| Bank of New York Mellon Corp | 1,181,581 | $27.5M | 0.01% | +376,500+46.8% | Added |
| Norges Bank | 1,309,066 | $30.5M | 0.00% | +521,421+66.2% | Added |
| Dimensional Fund Advisors LP | 1,314,513 | $30.6M | 0.01% | +32,391+2.5% | Added |
| Citadel Advisors LLC | 1,340,032 | $31.2M | 0.03% | +1,227,857+1,094.6% | Added |
| Charles Schwab Investment Management Inc | 1,366,308 | $31.8M | 0.01% | +688,539+101.6% | Added |
| Two Sigma Investments, LP | 1,379,703 | $32.1M | 0.07% | +514,106+59.4% | Added |
| Macquarie Group Ltd | 1,410,270 | $32.9M | 0.04% | +1,409,673+236,126.1% | Added |
| Massachusetts Financial Services Co | 1,453,004 | $33.9M | 0.01% | +468,707+47.6% | Added |
| Artisan Partners Limited Partnership | 1,518,095 | $35.4M | 0.05% | −88,696−5.5% | Reduced |
| Woodline Partners LP | 1,548,132 | $36.1M | 0.30% | +104,362+7.2% | Added |
| T. Rowe Price Investment Management, Inc. | 1,574,706 | $36.7M | 0.02% | −1,279,397−44.8% | Reduced |
| Analog Century Management LP | 1,709,448 | $39.8M | 2.71% | +761,666+80.4% | Added |
| Adage Capital Partners GP, L.L.C. | 1,821,567 | $42.4M | 0.07% | +325,000+21.7% | Added |
| Ameriprise Financial Inc | 1,950,527 | $45.4M | 0.01% | −146,192−7.0% | Reduced |
| Westfield Capital Management Co LP | 2,014,481 | $46.9M | 0.21% | +711,185+54.6% | Added |
| Morgan Stanley | 2,036,894 | $47.5M | 0.00% | −42,403−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 2,152,922 | $50.2M | 0.04% | +4,444+0.2% | Added |
| Principal Financial Group Inc | 2,499,760 | $58.2M | 0.03% | +308,943+14.1% | Added |
| Geode Capital Management, LLC | 2,561,482 | $59.7M | 0.00% | +1,187,792+86.5% | Added |
| Wellington Management Group LLP | 3,059,634 | $71.3M | 0.01% | +3,059,634 | New |
| Invesco Ltd. | 3,255,275 | $75.8M | 0.01% | −2,662,830−45.0% | Reduced |
| Clearbridge Investments, LLC | 3,932,071 | $91.6M | 0.07% | +252,764+6.9% | Added |
| Capital Research Global Investors | 5,414,432 | $126.2M | 0.03% | +5,414,432 | New |
| State Street Corp | 5,486,289 | $127.8M | 0.01% | +1,615,351+41.7% | Added |
| JPMorgan Chase & Co | 11,023,628 | $256.9M | 0.02% | +1,884,578+20.6% | Added |
| BlackRock, Inc. | 12,843,406 | $299.3M | 0.01% | +12,843,406 | New |
| Vanguard Group Inc | 14,719,541 | $343.0M | 0.01% | +6,043,477+69.7% | Added |
| FMR LLC | 28,253,811 | $658.3M | 0.04% | +8,534,089+43.3% | Added |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −1,130,209−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −587,228−100.0% | Sold out |
| Fort Washington Investment Advisors Inc | 0 | $0 | 0.00% | −464,591−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −226,100−100.0% | Sold out |
| Granite Investment Partners, LLC | 0 | $0 | 0.00% | −195,458−100.0% | Sold out |
| Eisler Capital (US) LLC | 0 | $0 | 0.00% | −118,638−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −113,514−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −113,048−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −104,001−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −94,425−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −77,500−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Redwood Investments, LLC | 0 | $0 | 0.00% | −65,744−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −63,865−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −58,600−100.0% | Sold out |
| Covea Finance | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −43,560−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −41,016−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −39,318−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −39,055−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −36,413−100.0% | Sold out |
| Oep Capital Advisors, L.P. | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −31,475−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −30,557−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −30,308−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −25,744−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −23,426−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −22,795−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −19,031−100.0% | Sold out |
| BNP Paribas | 0 | $0 | 0.00% | −18,870−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −14,968−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −14,149−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −13,994−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −12,841−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −12,811−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −12,772−100.0% | Sold out |
| Rakuten Investment Management, Inc. | 0 | $0 | 0.00% | −11,901−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −11,590−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −11,071−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −8,380−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −7,473−100.0% | Sold out |
| Avantax Advisory Services, Inc. | 0 | $0 | 0.00% | −7,260−100.0% | Sold out |
| Central Pacific Bank - Trust Division | 0 | $0 | 0.00% | −4,285−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −3,966−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −3,127−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −1,152−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −999−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Register Financial Advisors LLC | 0 | $0 | 0.00% | −245−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −127−100.0% | Sold out |