Allegro MicrosystemsALGM
13F holders, Q3 2024 (September 30)248holders −20
41new positions
60sold out
2famous investors
$23.29avg. 13F price*
At the end of Q3 2024, 248 institutions reported holding Allegro Microsystems Inc. (ALGM) in their 13F filings, down 20 from Q2 2024. 41 opened new positions and 60 sold out. The largest holders were FMR LLC ($658.3M), Vanguard Group Inc. ($343.0M) and BlackRock, Inc. ($299.3M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Allegro Microsystems Inc.
- CUSIP
- 01749D105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $268.3M |
| Exits | 60 | $117.0M |
All 13F filers, Q2 2024 → Q3 2024: 43,290,646 shares bought and 13,936,049 shares sold, net +29,354,597 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 248 holders
| FMR LLC | 0.04% | Add +43.3% | 28,253,811 | $658.3M |
| Vanguard Group Inc. | 0.01% | Add +69.7% | 14,719,541 | $343.0M |
| BlackRock, Inc. | 0.01% | — | 12,843,406 | $299.3M |
| JPMorgan Chase & Co. | 0.02% | Add +20.6% | 11,023,628 | $256.9M |
| State Street Corp. | 0.01% | Add +41.7% | 5,486,289 | $127.8M |
| Capital Research Global Investors | 0.03% | New | 5,414,432 | $126.2M |
| Clearbridge Investments, LLC | 0.07% | Add +6.9% | 3,932,071 | $91.6M |
| Invesco Ltd. | 0.01% | Reduce -45.0% | 3,255,275 | $75.8M |
| Wellington Management Group LLP | 0.01% | New | 3,059,634 | $71.3M |
| Geode Capital Management, LLC | 0.00% | Add +86.5% | 2,561,482 | $59.7M |
| Principal Financial Group Inc. | 0.03% | Add +14.1% | 2,499,760 | $58.2M |
| Manufacturers Life Insurance Company, The | 0.04% | Add +0.2% | 2,152,922 | $50.2M |
| Morgan Stanley | 0.00% | Reduce -2.0% | 2,036,894 | $47.5M |
| Westfield Capital Management Co. LP | 0.21% | Add +54.6% | 2,014,481 | $46.9M |
| Ameriprise Financial Inc. | 0.01% | Reduce -7.0% | 1,950,527 | $45.4M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Add +21.7% | 1,821,567 | $42.4M |
| Analog Century Management LP | 2.71% | Add +80.4% | 1,709,448 | $39.8M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Reduce -44.8% | 1,574,706 | $36.7M |
| Woodline Partners LP | 0.30% | Add +7.2% | 1,548,132 | $36.1M |
| Artisan Partners Limited Partnership | 0.05% | Reduce -5.5% | 1,518,095 | $35.4M |
| Massachusetts Financial Services Co. | 0.01% | Add +47.6% | 1,453,004 | $33.9M |
| Macquarie Group Ltd. | 0.04% | Add +236126.1% | 1,410,270 | $32.9M |
| Two Sigma Investments, LP | 0.08% | Add +59.4% | 1,379,703 | $32.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +101.6% | 1,366,308 | $31.8M |
| Citadel Advisors | 0.03% | Add +1094.6% | 1,340,032 | $31.2M |
| Dimensional Fund Advisors LP | 0.01% | Add +2.5% | 1,314,513 | $30.6M |
| Norges Bank | 0.00% | Add +66.2% | 1,309,066 | $30.5M |
| Bank of New York Mellon Corp | 0.01% | Add +46.8% | 1,181,581 | $27.5M |
| GW&K Investment Management, LLC | 0.22% | Reduce -0.2% | 1,084,147 | $25.3M |
| First Trust Advisors LP | 0.02% | Add +1.8% | 1,056,688 | $24.6M |
| Federated Hermes, Inc. | 0.05% | Add +44.8% | 1,017,116 | $23.7M |
| Northern Trust Corp. | 0.00% | Add +81.5% | 945,707 | $22.0M |
| Loomis Sayles & Co. L P | 0.02% | New | 784,111 | $18.3M |
| Millennium Management | 0.01% | Reduce -33.5% | 673,070 | $15.7M |
| Balyasny Asset Management L.P. | 0.04% | Add +287.9% | 653,695 | $15.2M |
| Bank of America Corp. | 0.00% | Add +29.5% | 647,918 | $15.1M |
| Two Sigma Advisers, LP | 0.03% | Add +21.8% | 627,000 | $14.6M |
| New York State Common Retirement Fund | 0.02% | Reduce -17.8% | 601,679 | $14.0M |
| Comerica Bank | 0.05% | Add +75.8% | 580,631 | $13.5M |
| Alyeska Investment Group, L.P. | 0.07% | Add +187.5% | 575,001 | $13.4M |
| Silvercrest Asset Management Group LLC | 0.08% | Reduce -3.0% | 523,095 | $12.2M |
| Paloma Partners Management Co | 0.82% | New | 509,630 | $11.9M |
| Scout Investments, Inc. | 0.31% | Add +42.8% | 555,902 | $11.8M |
| Ghisallo Capital Management LLC | 0.63% | New | 500,000 | $11.7M |
| Schroder Investment Management Group | 0.01% | Reduce -22.6% | 431,468 | $10.5M |
| Sei Investments Co. | 0.01% | Add +129.4% | 380,555 | $8.9M |
| S Squared Technology, LLC | 3.65% | Add +8.9% | 367,451 | $8.6M |
| Rhumbline Advisers | 0.01% | Add +82.2% | 363,114 | $8.5M |
| Susquehanna International Group, LLP | 0.01% | Add +2913.9% | 350,452 | $8.2M |
| Lazard Asset Management LLC | 0.01% | Add +90.2% | 331,263 | $7.7M |
| UBS Group AG | 0.00% | Add +4.9% | 328,724 | $7.7M |
| Pier Capital, LLC | 1.06% | New | 322,495 | $7.5M |
| Granahan Investment Management, LLC | 0.26% | Add +29.1% | 283,275 | $6.6M |
| Trillium Asset Management, LLC | 0.16% | Reduce -2.6% | 277,557 | $6.5M |
| Penn Capital Management Company, LLC | 0.59% | Reduce -51.2% | 271,358 | $6.3M |
| Polar Asset Management Partners Inc. | 0.21% | New | 257,404 | $6.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Add +4.7% | 254,069 | $5.9M |
| ArrowMark Colorado Holdings LLC | 0.07% | Add +28.6% | 248,561 | $5.8M |
| Nuveen Asset Management, LLC | 0.00% | Add +25.5% | 246,131 | $5.7M |
| Swiss National Bank | 0.00% | Add +37.4% | 235,000 | $5.5M |
| Wells Fargo & Company | 0.00% | Add +21.3% | 234,672 | $5.5M |
| Retirement Systems of Alabama | 0.02% | Add +77.9% | 229,815 | $5.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -80.1% | 229,314 | $5.3M |
| Kennedy Capital Management LLC | 0.12% | Reduce -25.6% | 227,235 | $5.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +8.9% | 223,183 | $5.2M |
| Holocene Advisors, LP | 0.02% | Add +152.3% | 196,831 | $4.6M |
| Legal & General Group Plc | 0.00% | Add +65.2% | 195,063 | $4.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +7.8% | 194,322 | $4.5M |
| Alliancebernstein L.P. | 0.00% | Add +68.8% | 186,546 | $4.3M |
| Corebridge Financial, Inc. | 0.02% | Add +103.0% | 183,563 | $4.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | New | 161,690 | $3.8M |
| State of Wisconsin Investment Board | 0.01% | Add +1.8% | 159,644 | $3.7M |
| Allianz Asset Management GmbH | 0.00% | No change | 120,454 | $2.8M |
| State of Alaska, Department of Revenue | 0.03% | Add +9.4% | 120,110 | $2.8M |
| Robbins Farley | 1.39% | Add +8.5% | 118,058 | $2.8M |
| California State Teachers Retirement System | 0.00% | Add +35.8% | 114,072 | $2.7M |
| Squarepoint Ops LLC | 0.01% | New | 94,669 | $2.2M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -14.8% | 86,455 | $2.0M |
| Mutual of America Capital Management LLC | 0.02% | Add +105.3% | 84,003 | $2.0M |
| State of New Jersey Common Pension Fund D | 0.01% | New | 81,095 | $1.9M |
| MetLife Investment Management, LLC | 0.01% | Add +111.6% | 79,763 | $1.9M |
| Raymond James & Associates | 0.00% | Reduce -8.7% | 77,236 | $1.8M |
| Barclays PLC | 0.00% | Add +88.1% | 75,620 | $1.8M |
| Royal Bank of Canada | 0.00% | Add +70.4% | 75,452 | $1.8M |
| Russell Investments Group, Ltd. | 0.00% | Add +38.1% | 74,819 | $1.7M |
| Needham Investment Management LLC | 0.13% | Add +42.2% | 72,500 | $1.7M |
| Amalgamated Bank | 0.01% | Add +99.1% | 72,399 | $1.7M |
| Man Group plc | 0.00% | Reduce -24.0% | 72,206 | $1.7M |
| Neuberger Berman Group LLC | 0.00% | New | 67,927 | $1.6M |
| Danske Bank A/S | 0.00% | Add +51.0% | 61,330 | $1.4M |
| Aurora Investment Counsel | 0.77% | Add +8.6% | 60,806 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +47.7% | 59,128 | $1.4M |
| Yousif Capital Management, LLC | 0.01% | Add +88.0% | 56,218 | $1.3M |
| Ecofi Investissements SA | 0.86% | Reduce -12.3% | 71,400 | $1.3M |
| Verition Fund Management LLC | 0.01% | Add +34.6% | 55,532 | $1.3M |
| Bayesian Capital Management, LP | 0.15% | Add +241.1% | 54,892 | $1.3M |
| Treasurer of the State of North Carolina | 0.01% | Add +64.0% | 53,668 | $1.3M |
| Amundi | 0.00% | Reduce -91.9% | 58,347 | $1.2M |
| Pacer Advisors, Inc. | 0.00% | Add +55.9% | 51,852 | $1.2M |
| Janus Henderson Group PLC | 0.00% | Add +42.1% | 51,229 | $1.2M |
"% of holder's portfolio" is ALGM's weight in each manager's 13F, not the share of Allegro Microsystems Inc. the manager owns.