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, Q4 2022
Institutional positions in Allegro Microsystems, Inc. as of Dec 31, 2022. 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
- 219
- +53 vs. Q3 2022
- Shares held
- 96.4M
- +6.28M (+7.0%) vs. Q3 2022
- Total value
- $2.89B
- +$924.6M (+47.0%) vs. Q3 2022
- New holders
- 76
- 72 more added
- Sold out
- 23
- 57 more reduced
4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oep Capital Advisors, L.P. | 22,629,247 | $679.3M | 71.89% | 00.0% | Unchanged |
| Vanguard Group Inc | 6,548,321 | $196.6M | 0.01% | −85,094−1.3% | Reduced |
| BlackRock Inc. | 5,946,866 | $178.5M | 0.01% | +3,176,732+114.7% | Added |
| FMR LLC | 5,621,763 | $168.8M | 0.02% | +2,123,308+60.7% | Added |
| Clearbridge Investments, LLC | 3,952,370 | $118.7M | 0.12% | −98,388−2.4% | Reduced |
| Invesco Ltd. | 3,906,952 | $117.3M | 0.03% | +554,807+16.6% | Added |
| Allspring Global Investments Holdings, LLC | 3,291,194 | $98.8M | 0.17% | −279,536−7.8% | Reduced |
| JPMorgan Chase & Co | 3,040,767 | $91.3M | 0.01% | −1,080,328−26.2% | Reduced |
| State Street Corp | 2,892,437 | $86.8M | 0.01% | +885,872+44.1% | Added |
| Alliancebernstein L.P. | 2,793,678 | $83.9M | 0.04% | −310,797−10.0% | Reduced |
| Principal Financial Group Inc | 2,735,711 | $82.1M | 0.06% | +304,560+12.5% | Added |
| Macquarie Group Ltd | 1,993,164 | $59.8M | 0.07% | +28,431+1.4% | Added |
| Artisan Partners Limited Partnership | 1,789,235 | $53.7M | 0.10% | −21,480−1.2% | Reduced |
| First Trust Advisors LP | 1,740,498 | $52.2M | 0.06% | +306,588+21.4% | Added |
| Federated Hermes, Inc. | 1,460,811 | $43.9M | 0.12% | −15,945−1.1% | Reduced |
| Goldman Sachs Group Inc | 1,451,651 | $43.6M | 0.01% | −136,007−8.6% | Reduced |
| Schroder Investment Management Group | 1,444,583 | $43.4M | 0.07% | −175,481−10.8% | Reduced |
| TimesSquare Capital Management, LLC | 1,252,600 | $37.6M | 0.54% | −809,200−39.2% | Reduced |
| Wellington Management Group LLP | 1,237,089 | $37.1M | 0.01% | −259,457−17.3% | Reduced |
| Millennium Management LLC | 1,211,738 | $36.4M | 0.04% | +1,109,652+1,087.0% | Added |
| Geode Capital Management, LLC | 1,154,142 | $34.6M | 0.00% | +38,455+3.4% | Added |
| Adage Capital Partners GP, L.L.C. | 1,035,787 | $31.1M | 0.07% | −1,251,517−54.7% | Reduced |
| Bamco Inc | 778,795 | $23.4M | 0.08% | 00.0% | Unchanged |
| Summit Partners Public Asset Management, LLC | 725,303 | $21.8M | 1.59% | +221,604+44.0% | Added |
| Bank of New York Mellon Corp | 714,582 | $21.5M | 0.00% | +315,732+79.2% | Added |
| Norges Bank | 638,700 | $19.2M | 0.00% | +18,856+3.0% | Added |
| New York State Common Retirement Fund | 636,137 | $19.1M | 0.03% | +285,226+81.3% | Added |
| Morgan Stanley | 617,675 | $18.5M | 0.00% | −46,738−7.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 597,199 | $17.9M | 0.21% | −49,267−7.6% | Reduced |
| Silvercrest Asset Management Group LLC | 568,671 | $17.1M | 0.13% | +73,788+14.9% | Added |
| Charles Schwab Investment Management Inc | 561,252 | $16.8M | 0.01% | +19,733+3.6% | Added |
| Northern Trust Corp | 476,959 | $14.3M | 0.00% | +200,169+72.3% | Added |
| Driehaus Capital Management LLC | 467,029 | $14.0M | 0.21% | +467,029 | New |
| Nuveen Asset Management, LLC | 466,183 | $14.0M | 0.01% | +28,002+6.4% | Added |
| Penn Capital Management Co Inc | 450,489 | $13.6M | 1.39% | +351,835+356.6% | Added |
| Ameriprise Financial Inc | 303,473 | $9.11M | 0.00% | +80,978+36.4% | Added |
| S Squared Technology, LLC | 302,451 | $9.08M | 6.15% | 00.0% | Unchanged |
| Bank of America Corp | 289,816 | $8.70M | 0.00% | −113,414−28.1% | Reduced |
| D. E. Shaw & Co., Inc. | 274,247 | $8.23M | 0.01% | +157,278+134.5% | Added |
| Deutsche Bank AG | 258,703 | $7.77M | 0.00% | −37,152−12.6% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 258,537 | $7.76M | 1.02% | −59,875−18.8% | Reduced |
| Redwood Investments, LLC | 237,763 | $7.14M | 0.96% | +237,763 | New |
| Algert Global LLC | 228,961 | $6.87M | 0.38% | +66,017+40.5% | Added |
| Pier Capital, LLC | 220,367 | $6.62M | 1.08% | −144,047−39.5% | Reduced |
| Allianz Asset Management GmbH | 218,172 | $6.55M | 0.01% | +7,662+3.6% | Added |
| Agf Management Ltd | 210,000 | $6.30M | 0.05% | +210,000 | New |
| Renaissance Technologies LLC | 209,800 | $6.30M | 0.01% | −173,532−45.3% | Reduced |
| KCL Capital, L.P. | 200,000 | $6.00M | 1.04% | +200,000 | New |
| Rhumbline Advisers | 191,304 | $5.74M | 0.01% | +126,892+197.0% | Added |
| Victory Capital Management Inc | 190,884 | $5.73M | 0.01% | +1,958+1.0% | Added |
| Great Lakes Advisors, LLC | 189,314 | $5.68M | 0.33% | −345−0.2% | Reduced |
| GW&K Investment Management, LLC | 182,075 | $5.47M | 0.06% | +182,075 | New |
| Kennedy Capital Management, Inc. | 178,847 | $5.37M | 0.15% | −28,893−13.9% | Reduced |
| Swiss National Bank | 161,700 | $4.85M | 0.00% | +3,600+2.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 158,933 | $4.77M | 0.02% | +42,923+37.0% | Added |
| Voya Investment Management LLC | 157,240 | $4.72M | 0.01% | +24,694+18.6% | Added |
| SEI Investments Co | 154,193 | $4.63M | 0.01% | −344,249−69.1% | Reduced |
| Citadel Advisors LLC | 150,307 | $4.51M | 0.01% | +131,233+688.0% | Added |
| Segall Bryant & Hamill, LLC | 148,085 | $4.45M | 0.05% | +10,261+7.4% | Added |
| Trillium Asset Management, LLC | 146,127 | $4.39M | 0.14% | −5,289−3.5% | Reduced |
| Lazard Asset Management LLC | 132,982 | $3.99M | 0.01% | +209+0.2% | Added |
| Retirement Systems of Alabama | 126,731 | $3.80M | 0.02% | +126,731 | New |
| Man Group plc | 123,694 | $3.71M | 0.01% | +25,997+26.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 124,612 | $3.65M | 0.01% | −29,301−19.0% | Reduced |
| AQR Capital Management LLC | 118,636 | $3.50M | 0.01% | −85,920−42.0% | Reduced |
| Oberweis Asset Management Inc | 115,200 | $3.46M | 0.74% | +115,200 | New |
| State of Alaska, Department of Revenue | 111,048 | $3.33M | 0.04% | −44,155−28.4% | Reduced |
| Wells Fargo & Company | 107,564 | $3.23M | 0.00% | +45,955+74.6% | Added |
| American International Group, Inc. | 101,650 | $3.05M | 0.02% | +100,612+9,692.9% | Added |
| State of Wisconsin Investment Board | 101,045 | $3.03M | 0.01% | −27,513−21.4% | Reduced |
| Barclays PLC | 96,859 | $2.91M | 0.00% | +16,681+20.8% | Added |
| UBS Asset Management Americas Inc | 96,413 | $2.89M | 0.00% | +11,385+13.4% | Added |
| Legal & General Group Plc | 93,749 | $2.81M | 0.00% | +45,882+95.9% | Added |
| Royal Bank of Canada | 92,467 | $2.78M | 0.00% | +83,520+933.5% | Added |
| Balyasny Asset Management LLC | 88,914 | $2.67M | 0.01% | −119,073−57.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 88,155 | $2.65M | 0.02% | +40,076+83.4% | Added |
| California State Teachers Retirement System | 84,872 | $2.55M | 0.00% | +1,165+1.4% | Added |
| Los Angeles Capital Management LLC | 79,931 | $2.40M | 0.01% | −26,992−25.2% | Reduced |
| State of New Jersey Common Pension Fund D | 73,806 | $2.22M | 0.01% | +73,806 | New |
| Susquehanna Fundamental Investments, LLC | 67,627 | $2.03M | 0.04% | −33,853−33.4% | Reduced |
| Credit Suisse AG | 66,108 | $1.98M | 0.00% | −51−0.1% | Reduced |
| Raymond James & Associates | 62,539 | $1.88M | 0.00% | +19,930+46.8% | Added |
| PFS Investments Inc. | 56,744 | $1.70M | 0.03% | +5,896+11.6% | Added |
| Manufacturers Life Insurance Company, The | 55,195 | $1.66M | 0.00% | +55,195 | New |
| Chartwell Investment Partners, LLC | 55,131 | $1.66M | 0.07% | +55,131 | New |
| Trexquant Investment LP | 54,914 | $1.65M | 0.05% | +40,230+274.0% | Added |
| Mutual of America Capital Management LLC | 53,413 | $1.60M | 0.02% | +53,413 | New |
| Twin Tree Management, LP | 51,501 | $1.55M | 0.05% | +51,501 | New |
| Amalgamated Bank | 51,326 | $1.54M | 0.01% | +36,861+254.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 51,309 | $1.54M | 0.00% | 00.0% | Unchanged |
| Premier Fund Managers Ltd | 51,142 | $1.53M | 0.06% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 50,490 | $1.52M | 0.00% | +43,310+603.2% | Added |
| Envestnet Asset Management Inc | 49,010 | $1.47M | 0.00% | −230−0.5% | Reduced |
| State of Tennessee, Treasury Department | 47,508 | $1.43M | 0.01% | +47,508 | New |
| EAM Investors, LLC | 45,673 | $1.37M | 0.28% | +45,673 | New |
| Texas Permanent School Fund | 43,729 | $1.31M | 0.02% | +43,729 | New |
| MetLife Investment Management | 43,615 | $1.31M | 0.01% | +39,503+960.7% | Added |
| M&T Bank Corp | 40,627 | $1.22M | 0.00% | −1,393−3.3% | Reduced |
| Prudential Financial Inc | 39,703 | $1.19M | 0.00% | −18,620−31.9% | Reduced |
| UBS Group AG | 39,474 | $1.19M | 0.00% | +38,974+7,794.8% | Added |