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 2023
Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2023. 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
- 312
- −36 vs. Q2 2023
- Shares held
- 98.4M
- +933.2K (+1.0%) vs. Q2 2023
- Total value
- $2.99B
- −$1.41B (−32.0%) vs. Q2 2023
- New holders
- 42
- 139 more added
- Sold out
- 78
- 96 more reduced
5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oep Capital Advisors, L.P. | 17,649,247 | $404.0M | 76.26% | 00.0% | Unchanged |
| FMR LLC | 9,234,454 | $294.9M | 0.03% | +1,121,651+13.8% | Added |
| Vanguard Group Inc | 7,361,938 | $235.1M | 0.01% | +355,814+5.1% | Added |
| BlackRock Inc. | 6,570,581 | $209.9M | 0.01% | +565,636+9.4% | Added |
| JPMorgan Chase & Co | 4,052,437 | $129.4M | 0.02% | +727,535+21.9% | Added |
| Clearbridge Investments, LLC | 3,493,381 | $111.6M | 0.11% | −10,768−0.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 3,319,635 | $106.0M | 0.19% | +855,811+34.7% | Added |
| Invesco Ltd. | 3,205,810 | $102.4M | 0.03% | +347,971+12.2% | Added |
| State Street Corp | 3,190,501 | $101.9M | 0.01% | +182,841+6.1% | Added |
| Principal Financial Group Inc | 2,126,953 | $67.9M | 0.05% | −300,331−12.4% | Reduced |
| Alliancebernstein L.P. | 1,905,012 | $60.8M | 0.03% | +507,813+36.3% | Added |
| Artisan Partners Limited Partnership | 1,647,794 | $52.6M | 0.09% | −64,575−3.8% | Reduced |
| First Trust Advisors LP | 1,600,802 | $51.1M | 0.06% | −177,395−10.0% | Reduced |
| Geode Capital Management, LLC | 1,255,763 | $40.1M | 0.00% | +120,423+10.6% | Added |
| Macquarie Group Ltd | 1,192,916 | $38.1M | 0.05% | −70,139−5.6% | Reduced |
| Morgan Stanley | 1,091,188 | $34.9M | 0.00% | −224,291−17.1% | Reduced |
| Massachusetts Financial Services Co | 1,059,631 | $33.8M | 0.01% | −9,453−0.9% | Reduced |
| Goldman Sachs Group Inc | 1,049,178 | $33.5M | 0.01% | −32,418−3.0% | Reduced |
| Manufacturers Life Insurance Company, The | 1,020,137 | $32.6M | 0.02% | +349,529+52.1% | Added |
| Federated Hermes, Inc. | 941,354 | $30.1M | 0.08% | −543,566−36.6% | Reduced |
| Lord, Abbett & Co. LLC | 790,171 | $25.2M | 0.09% | −609,380−43.5% | Reduced |
| Bank of New York Mellon Corp | 789,283 | $25.2M | 0.01% | +152,103+23.9% | Added |
| Cubist Systematic Strategies, LLC | 784,136 | $25.0M | 0.31% | +234,303+42.6% | Added |
| Ameriprise Financial Inc | 763,905 | $24.4M | 0.01% | +241,813+46.3% | Added |
| TimesSquare Capital Management, LLC | 747,279 | $23.9M | 0.37% | +137,625+22.6% | Added |
| Schroder Investment Management Group | 677,718 | $21.6M | 0.03% | −1,935−0.3% | Reduced |
| Charles Schwab Investment Management Inc | 635,264 | $20.3M | 0.01% | +70,814+12.5% | Added |
| Dimensional Fund Advisors LP | 606,102 | $19.4M | 0.01% | +297,385+96.3% | Added |
| New York State Common Retirement Fund | 579,176 | $18.5M | 0.03% | +36,655+6.8% | Added |
| Norges Bank | 572,407 | $18.3M | 0.00% | +73,732+14.8% | Added |
| Bank of America Corp | 568,554 | $18.2M | 0.00% | +247,997+77.4% | Added |
| GW&K Investment Management, LLC | 550,272 | $17.6M | 0.18% | −14,896−2.6% | Reduced |
| Northern Trust Corp | 523,404 | $16.7M | 0.00% | +34,271+7.0% | Added |
| Two Sigma Investments, LP | 516,688 | $16.5M | 0.05% | −377,501−42.2% | Reduced |
| ArrowMark Colorado Holdings LLC | 506,016 | $16.2M | 0.20% | +99,504+24.5% | Added |
| Renaissance Technologies LLC | 490,100 | $15.7M | 0.03% | −69,800−12.5% | Reduced |
| Qube Research & Technologies Ltd | 486,871 | $15.6M | 0.05% | +233,225+91.9% | Added |
| Nuveen Asset Management, LLC | 466,349 | $14.9M | 0.01% | +29,123+6.7% | Added |
| Adage Capital Partners GP, L.L.C. | 461,587 | $14.7M | 0.03% | +80,000+21.0% | Added |
| Twinbeech Capital LP | 442,052 | $14.1M | 0.27% | +442,052 | New |
| Loomis Sayles & Co L P | 441,941 | $14.1M | 0.02% | +20,708+4.9% | Added |
| Voloridge Investment Management, LLC | 418,439 | $13.4M | 0.07% | −134,415−24.3% | Reduced |
| Millennium Management LLC | 405,175 | $12.9M | 0.01% | −1,272,320−75.8% | Reduced |
| Two Sigma Advisers, LP | 395,800 | $12.6M | 0.03% | −139,900−26.1% | Reduced |
| SEI Investments Co | 391,144 | $12.5M | 0.02% | +116,603+42.5% | Added |
| Penn Capital Management Co Inc | 360,874 | $11.6M | 1.19% | +78,623+27.9% | Added |
| Wells Fargo & Company | 340,543 | $10.9M | 0.00% | +33,913+11.1% | Added |
| AQR Capital Management LLC | 304,710 | $9.73M | 0.02% | −77,166−20.2% | Reduced |
| Redwood Investments, LLC | 289,525 | $9.25M | 1.25% | −41,242−12.5% | Reduced |
| S Squared Technology, LLC | 282,451 | $9.02M | 4.87% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 272,780 | $8.71M | 0.01% | −412,598−60.2% | Reduced |
| Citadel Advisors LLC | 245,813 | $7.85M | 0.01% | +120,043+95.4% | Added |
| Dana Investment Advisors, Inc. | 244,268 | $7.80M | 0.40% | −13,993−5.4% | Reduced |
| Allianz Asset Management GmbH | 236,093 | $7.54M | 0.02% | +43,518+22.6% | Added |
| Analog Century Management LP | 233,668 | $7.46M | 2.00% | +81,068+53.1% | Added |
| Oberweis Asset Management Inc | 225,930 | $7.22M | 0.77% | +29,890+15.2% | Added |
| Rhumbline Advisers | 219,160 | $7.00M | 0.01% | +17,463+8.7% | Added |
| Engineers Gate Manager LP | 213,002 | $6.80M | 0.25% | −3,183−1.5% | Reduced |
| Woodline Partners LP | 210,719 | $6.73M | 0.08% | +210,719 | New |
| Jump Financial, LLC | 192,023 | $6.13M | 0.23% | +64,567+50.7% | Added |
| Trillium Asset Management, LLC | 177,410 | $5.67M | 0.17% | +25,911+17.1% | Added |
| Verition Fund Management LLC | 170,353 | $5.44M | 0.07% | +145,495+585.3% | Added |
| Janus Henderson Group PLC | 169,582 | $5.42M | 0.00% | −54,978−24.5% | Reduced |
| Swiss National Bank | 169,000 | $5.40M | 0.00% | +2,200+1.3% | Added |
| Amundi | 177,838 | $5.25M | 0.00% | −46,122−20.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 163,582 | $5.22M | 0.02% | +13,664+9.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 159,452 | $5.09M | 0.01% | −16,444−9.3% | Reduced |
| Silvercrest Asset Management Group LLC | 137,028 | $4.38M | 0.03% | −65,615−32.4% | Reduced |
| Retirement Systems of Alabama | 129,875 | $4.15M | 0.02% | +4,858+3.9% | Added |
| Kennedy Capital Management, Inc. | 125,486 | $4.01M | 0.10% | −21,668−14.7% | Reduced |
| State of Wisconsin Investment Board | 125,078 | $3.99M | 0.01% | +31,341+33.4% | Added |
| Envestnet Asset Management Inc | 123,376 | $3.94M | 0.00% | +41,999+51.6% | Added |
| Navellier & Associates Inc | 117,184 | $3.74M | 0.64% | +3,882+3.4% | Added |
| D. E. Shaw & Co., Inc. | 117,012 | $3.74M | 0.01% | −88,117−43.0% | Reduced |
| UBS Asset Management Americas Inc | 116,939 | $3.74M | 0.00% | +16,743+16.7% | Added |
| Bamco Inc | 115,795 | $3.70M | 0.01% | −252,000−68.5% | Reduced |
| Legal & General Group Plc | 113,987 | $3.64M | 0.00% | +3,569+3.2% | Added |
| Algert Global LLC | 110,876 | $3.54M | 0.17% | −118,559−51.7% | Reduced |
| State of Alaska, Department of Revenue | 110,565 | $3.53M | 0.04% | +435+0.4% | Added |
| Raymond James & Associates | 105,659 | $3.37M | 0.00% | −23,824−18.4% | Reduced |
| ExodusPoint Capital Management, LP | 101,977 | $3.26M | 0.04% | +77,209+311.7% | Added |
| American International Group, Inc. | 100,987 | $3.23M | 0.02% | +1,988+2.0% | Added |
| Seven Eight Capital, LP | 100,921 | $3.22M | 0.38% | +76,821+318.8% | Added |
| Dark Forest Capital Management LP | 100,700 | $3.22M | 0.27% | +42,948+74.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 100,410 | $3.21M | 0.01% | +21,519+27.3% | Added |
| Schonfeld Strategic Advisors LLC | 96,100 | $3.07M | 0.03% | +70,464+274.9% | Added |
| Voya Investment Management LLC | 94,968 | $3.03M | 0.00% | −47,194−33.2% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 89,502 | $2.89M | 0.06% | +14,653+19.6% | Added |
| California State Teachers Retirement System | 84,749 | $2.71M | 0.00% | −5,092−5.7% | Reduced |
| Hussman Strategic Advisors, Inc. | 84,000 | $2.68M | 0.51% | +37,500+80.6% | Added |
| Zacks Investment Management | 80,697 | $2.58M | 0.03% | −2,740−3.3% | Reduced |
| Quantbot Technologies LP | 80,105 | $2.56M | 0.17% | +42,047+110.5% | Added |
| Credit Suisse AG | 78,332 | $2.50M | 0.00% | +2,194+2.9% | Added |
| Prudential Financial Inc | 76,272 | $2.44M | 0.00% | −174,031−69.5% | Reduced |
| Jane Street Group, LLC | 72,726 | $2.32M | 0.00% | −15,719−17.8% | Reduced |
| Bank of Nova Scotia | 70,427 | $2.25M | 0.01% | +70,427 | New |
| Canada Pension Plan Investment Board | 70,200 | $2.24M | 0.00% | +70,200 | New |
| Citigroup Inc | 67,638 | $2.16M | 0.00% | +3,155+4.9% | Added |
| Robbins Farley LLC | 67,141 | $2.14M | 1.52% | +67,141 | New |
| State of New Jersey Common Pension Fund D | 64,927 | $2.07M | 0.01% | +4,011+6.6% | Added |