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 |
|---|---|---|---|---|---|
| FMR LLC | 28,253,811 | $658.3M | 0.04% | +8,534,089+43.3% | Added |
| Vanguard Group Inc | 14,719,541 | $343.0M | 0.01% | +6,043,477+69.7% | Added |
| BlackRock, Inc. | 12,843,406 | $299.3M | 0.01% | +12,843,406 | New |
| JPMorgan Chase & Co | 11,023,628 | $256.9M | 0.02% | +1,884,578+20.6% | Added |
| State Street Corp | 5,486,289 | $127.8M | 0.01% | +1,615,351+41.7% | Added |
| Capital Research Global Investors | 5,414,432 | $126.2M | 0.03% | +5,414,432 | New |
| Clearbridge Investments, LLC | 3,932,071 | $91.6M | 0.07% | +252,764+6.9% | Added |
| Invesco Ltd. | 3,255,275 | $75.8M | 0.01% | −2,662,830−45.0% | Reduced |
| Wellington Management Group LLP | 3,059,634 | $71.3M | 0.01% | +3,059,634 | New |
| Geode Capital Management, LLC | 2,561,482 | $59.7M | 0.00% | +1,187,792+86.5% | Added |
| Principal Financial Group Inc | 2,499,760 | $58.2M | 0.03% | +308,943+14.1% | Added |
| Manufacturers Life Insurance Company, The | 2,152,922 | $50.2M | 0.04% | +4,444+0.2% | Added |
| Morgan Stanley | 2,036,894 | $47.5M | 0.00% | −42,403−2.0% | Reduced |
| Westfield Capital Management Co LP | 2,014,481 | $46.9M | 0.21% | +711,185+54.6% | Added |
| Ameriprise Financial Inc | 1,950,527 | $45.4M | 0.01% | −146,192−7.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,821,567 | $42.4M | 0.07% | +325,000+21.7% | Added |
| Analog Century Management LP | 1,709,448 | $39.8M | 2.71% | +761,666+80.4% | Added |
| T. Rowe Price Investment Management, Inc. | 1,574,706 | $36.7M | 0.02% | −1,279,397−44.8% | Reduced |
| Woodline Partners LP | 1,548,132 | $36.1M | 0.30% | +104,362+7.2% | Added |
| Artisan Partners Limited Partnership | 1,518,095 | $35.4M | 0.05% | −88,696−5.5% | Reduced |
| Massachusetts Financial Services Co | 1,453,004 | $33.9M | 0.01% | +468,707+47.6% | Added |
| Macquarie Group Ltd | 1,410,270 | $32.9M | 0.04% | +1,409,673+236,126.1% | Added |
| Two Sigma Investments, LP | 1,379,703 | $32.1M | 0.07% | +514,106+59.4% | Added |
| Charles Schwab Investment Management Inc | 1,366,308 | $31.8M | 0.01% | +688,539+101.6% | Added |
| Citadel Advisors LLC | 1,340,032 | $31.2M | 0.03% | +1,227,857+1,094.6% | Added |
| Dimensional Fund Advisors LP | 1,314,513 | $30.6M | 0.01% | +32,391+2.5% | Added |
| Norges Bank | 1,309,066 | $30.5M | 0.00% | +521,421+66.2% | Added |
| Bank of New York Mellon Corp | 1,181,581 | $27.5M | 0.01% | +376,500+46.8% | Added |
| GW&K Investment Management, LLC | 1,084,147 | $25.3M | 0.22% | −1,849−0.2% | Reduced |
| First Trust Advisors LP | 1,056,688 | $24.6M | 0.02% | +18,616+1.8% | Added |
| Federated Hermes, Inc. | 1,017,116 | $23.7M | 0.05% | +314,605+44.8% | Added |
| Northern Trust Corp | 945,707 | $22.0M | 0.00% | +424,583+81.5% | Added |
| Loomis Sayles & Co L P | 784,111 | $18.3M | 0.02% | +784,111 | New |
| Millennium Management LLC | 673,070 | $15.7M | 0.01% | −339,382−33.5% | Reduced |
| Balyasny Asset Management LLC | 653,695 | $15.2M | 0.04% | +485,188+287.9% | Added |
| Bank of America Corp | 647,918 | $15.1M | 0.00% | +147,514+29.5% | Added |
| Two Sigma Advisers, LP | 627,000 | $14.6M | 0.03% | +112,400+21.8% | Added |
| New York State Common Retirement Fund | 601,679 | $14.0M | 0.02% | −130,040−17.8% | Reduced |
| Comerica Bank | 580,631 | $13.5M | 0.05% | +250,443+75.8% | Added |
| Alyeska Investment Group, L.P. | 575,001 | $13.4M | 0.07% | +375,001+187.5% | Added |
| Silvercrest Asset Management Group LLC | 523,095 | $12.2M | 0.08% | −16,090−3.0% | Reduced |
| Paloma Partners Management Co | 509,630 | $11.9M | 0.63% | +509,630 | New |
| Scout Investments, Inc. | 555,902 | $11.8M | 0.31% | +166,512+42.8% | Added |
| Ghisallo Capital Management LLC | 500,000 | $11.7M | 0.58% | +500,000 | New |
| Schroder Investment Management Group | 431,468 | $10.5M | 0.01% | −125,733−22.6% | Reduced |
| SEI Investments Co | 380,555 | $8.87M | 0.01% | +214,673+129.4% | Added |
| S Squared Technology, LLC | 367,451 | $8.56M | 3.65% | +30,000+8.9% | Added |
| Rhumbline Advisers | 363,114 | $8.46M | 0.01% | +163,857+82.2% | Added |
| Susquehanna International Group, LLP | 350,452 | $8.17M | 0.01% | +338,824+2,913.9% | Added |
| Lazard Asset Management LLC | 331,263 | $7.72M | 0.01% | +157,051+90.1% | Added |
| UBS Group AG | 328,724 | $7.66M | 0.00% | +15,291+4.9% | Added |
| Pier Capital, LLC | 322,495 | $7.51M | 1.06% | +322,495 | New |
| Granahan Investment Management Inc | 283,275 | $6.60M | 0.26% | +63,871+29.1% | Added |
| Trillium Asset Management, LLC | 277,557 | $6.47M | 0.16% | −7,320−2.6% | Reduced |
| Penn Capital Management Co Inc | 271,358 | $6.34M | 0.58% | −285,150−51.2% | Reduced |
| Polar Asset Management Partners Inc. | 257,404 | $6.00M | 0.14% | +257,404 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 254,069 | $5.92M | 0.01% | +11,457+4.7% | Added |
| ArrowMark Colorado Holdings LLC | 248,561 | $5.79M | 0.07% | +55,301+28.6% | Added |
| Nuveen Asset Management, LLC | 246,131 | $5.73M | 0.00% | +50,014+25.5% | Added |
| Swiss National Bank | 235,000 | $5.48M | 0.00% | +64,000+37.4% | Added |
| Wells Fargo & Company | 234,672 | $5.47M | 0.00% | +41,230+21.3% | Added |
| Retirement Systems of Alabama | 229,815 | $5.35M | 0.02% | +100,621+77.9% | Added |
| Goldman Sachs Group Inc | 229,314 | $5.34M | 0.00% | −923,288−80.1% | Reduced |
| Kennedy Capital Management, Inc. | 227,235 | $5.29M | 0.12% | −78,192−25.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 223,183 | $5.20M | 0.01% | +18,165+8.9% | Added |
| Holocene Advisors, LP | 196,831 | $4.59M | 0.02% | +118,816+152.3% | Added |
| Legal & General Group Plc | 195,063 | $4.54M | 0.00% | +77,001+65.2% | Added |
| UBS Asset Management Americas Inc | 194,322 | $4.53M | 0.00% | +14,094+7.8% | Added |
| Alliancebernstein L.P. | 186,546 | $4.35M | 0.00% | +76,030+68.8% | Added |
| Corebridge Financial, Inc. | 183,563 | $4.28M | 0.02% | +93,151+103.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 161,690 | $3.77M | 0.01% | +161,690 | New |
| State of Wisconsin Investment Board | 159,644 | $3.72M | 0.01% | +2,856+1.8% | Added |
| Allianz Asset Management GmbH | 120,454 | $2.81M | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 120,110 | $2.80M | 0.03% | +10,370+9.4% | Added |
| Robbins Farley LLC | 118,058 | $2.75M | 1.39% | +9,207+8.5% | Added |
| California State Teachers Retirement System | 114,072 | $2.66M | 0.00% | +30,073+35.8% | Added |
| Squarepoint Ops LLC | 94,669 | $2.21M | 0.01% | +94,669 | New |
| Envestnet Asset Management Inc | 86,455 | $2.01M | 0.00% | −15,004−14.8% | Reduced |
| Mutual of America Capital Management LLC | 84,003 | $1.96M | 0.02% | +43,090+105.3% | Added |
| State of New Jersey Common Pension Fund D | 81,095 | $1.89M | 0.01% | +81,095 | New |
| MetLife Investment Management | 79,763 | $1.86M | 0.01% | +42,068+111.6% | Added |
| Raymond James & Associates | 77,236 | $1.80M | 0.00% | −7,318−8.7% | Reduced |
| Barclays PLC | 75,620 | $1.76M | 0.00% | +35,417+88.1% | Added |
| Royal Bank of Canada | 75,452 | $1.76M | 0.00% | +31,180+70.4% | Added |
| Russell Investments Group, Ltd. | 74,819 | $1.74M | 0.00% | +20,647+38.1% | Added |
| Needham Investment Management LLC | 72,500 | $1.69M | 0.13% | +21,500+42.2% | Added |
| Amalgamated Bank | 72,399 | $1.69M | 0.01% | +36,042+99.1% | Added |
| Man Group plc | 72,206 | $1.68M | 0.00% | −22,818−24.0% | Reduced |
| Neuberger Berman Group LLC | 67,927 | $1.58M | 0.00% | +67,927 | New |
| Danske Bank A/S | 61,330 | $1.43M | 0.00% | +20,718+51.0% | Added |
| Aurora Investment Counsel | 60,806 | $1.42M | 0.77% | +4,801+8.6% | Added |
| Price T Rowe Associates Inc | 59,128 | $1.38M | 0.00% | +19,085+47.7% | Added |
| Yousif Capital Management, LLC | 56,218 | $1.31M | 0.01% | +26,314+88.0% | Added |
| Ecofi Investissements SA | 71,400 | $1.30M | 0.86% | −10,000−12.3% | Reduced |
| Verition Fund Management LLC | 55,532 | $1.29M | 0.01% | +14,284+34.6% | Added |
| Bayesian Capital Management, LP | 54,892 | $1.28M | 0.15% | +38,800+241.1% | Added |
| Treasurer of the State of North Carolina | 53,668 | $1.25M | 0.00% | +20,940+64.0% | Added |
| Amundi | 58,347 | $1.21M | 0.00% | −662,808−91.9% | Reduced |
| Pacer Advisors, Inc. | 51,852 | $1.21M | 0.00% | +18,588+55.9% | Added |
| Janus Henderson Group PLC | 51,229 | $1.19M | 0.00% | +15,172+42.1% | Added |