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 2023
Institutional positions in Allegro Microsystems, Inc. as of Dec 31, 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
- 288
- −19 vs. Q3 2023
- Shares held
- 96.3M
- −2.01M (−2.0%) vs. Q3 2023
- Total value
- $2.91B
- −$69.3M (−2.3%) vs. Q3 2023
- New holders
- 56
- 108 more added
- Sold out
- 75
- 95 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York State Teachers Retirement System | 10,200 | $309.0K | 0.00% | −6,109−37.5% | Reduced |
| Tower Research Capital LLC (TRC) | 10,229 | $309.6K | 0.00% | +7,252+243.6% | Added |
| Magnetar Financial LLC | 10,819 | $327.5K | 0.01% | +10,819 | New |
| JustInvest LLC | 11,584 | $350.6K | 0.01% | +4,210+57.1% | Added |
| Campbell & CO Investment Adviser LLC | 11,631 | $352.1K | 0.03% | −321−2.7% | Reduced |
| Susquehanna International Group, LLP | 11,715 | $354.6K | 0.00% | −42,285−78.3% | Reduced |
| Commerce Bank | 11,900 | $360.2K | 0.00% | +11,900 | New |
| Captrust Financial Advisors | 11,929 | $361.1K | 0.00% | −9,085−43.2% | Reduced |
| Nebula Research & Development LLC | 12,453 | $377.0K | 0.11% | −8,529−40.6% | Reduced |
| Advisors Asset Management, Inc. | 12,995 | $393.4K | 0.01% | +816+6.7% | Added |
| Cresset Asset Management, LLC | 13,036 | $394.6K | 0.00% | +4,746+57.2% | Added |
| Landscape Capital Management, L.L.C. | 13,167 | $398.6K | 0.04% | +13,167 | New |
| New Mexico Educational Retirement Board | 13,300 | $403.0K | 0.02% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 13,726 | $415.5K | 0.03% | −110−0.8% | Reduced |
| MML Investors Services, LLC | 14,037 | $425.0K | 0.00% | +4,594+48.6% | Added |
| Bayesian Capital Management, LP | 14,214 | $430.3K | 0.05% | +14,214 | New |
| Pacer Advisors, Inc. | 14,693 | $444.8K | 0.00% | +5,376+57.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,834 | $449.0K | 0.00% | +2,677+22.0% | Added |
| Victory Capital Management Inc | 15,174 | $459.3K | 0.00% | −13,522−47.1% | Reduced |
| Natixis Advisors, L.P. | 15,377 | $465.0K | 0.00% | +3,038+24.6% | Added |
| Mirabella Financial Services LLP | 15,418 | $466.7K | 0.07% | +15,418 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,714 | $475.7K | 0.00% | +1,300+9.0% | Added |
| Fox Run Management, L.L.C. | 15,732 | $476.2K | 0.12% | −26,686−62.9% | Reduced |
| American Century Companies Inc | 15,787 | $477.9K | 0.00% | −25,832−62.1% | Reduced |
| Panagora Asset Management Inc | 15,796 | $478.1K | 0.00% | +15,796 | New |
| Northwestern Mutual Investment Management Company, LLC | 15,844 | $479.6K | 0.01% | +58+0.4% | Added |
| Ameritas Investment Partners, Inc. | 15,964 | $483.2K | 0.02% | 00.0% | Unchanged |
| Xponance, Inc. | 16,093 | $487.1K | 0.01% | −290−1.8% | Reduced |
| Russell Investments Group, Ltd. | 16,445 | $497.8K | 0.00% | −8,304−33.6% | Reduced |
| State of Tennessee, Treasury Department | 17,000 | $514.6K | 0.00% | −32,935−66.0% | Reduced |
| State of Michigan Retirement System | 17,100 | $517.6K | 0.00% | +100+0.6% | Added |
| Brevan Howard Capital Management LP | 17,388 | $526.3K | 0.05% | +17,388 | New |
| TradeLink Capital LLC | 17,443 | $528.0K | 7.42% | +17,443 | New |
| Advisor Group Holdings, Inc. | 17,717 | $536.3K | 0.00% | −16,103−47.6% | Reduced |
| Thrivent Financial for Lutherans | 17,791 | $539.0K | 0.00% | −32−0.2% | Reduced |
| D. E. Shaw & Co., Inc. | 17,890 | $541.5K | 0.00% | −99,122−84.7% | Reduced |
| Quantinno Capital Management LP | 18,293 | $554.0K | 0.02% | +5,627+44.4% | Added |
| Calamos Advisors LLC | 18,500 | $560.0K | 0.00% | +18,500 | New |
| Handelsbanken Fonder AB | 18,500 | $560.0K | 0.00% | +1,300+7.6% | Added |
| Intech Investment Management LLC | 19,110 | $578.5K | 0.01% | +26+0.1% | Added |
| Louisiana State Employees Retirement System | 20,000 | $605.4K | 0.01% | −200−1.0% | Reduced |
| Oregon Public Employees Retirement Fund | 20,139 | $609.6K | 0.01% | +200+1.0% | Added |
| Royal Bank of Canada | 20,184 | $611.0K | 0.00% | −10,502−34.2% | Reduced |
| Merlin Capital LLC | 20,261 | $613.3K | 1.97% | +6,313+45.3% | Added |
| Aquatic Capital Management LLC | 20,400 | $618.0K | 0.02% | +20,100+6,700.0% | Added |
| Aviva PLC | 21,316 | $645.2K | 0.00% | +3,978+22.9% | Added |
| Gould Capital, LLC | 21,327 | $645.6K | 0.47% | −4,143−16.3% | Reduced |
| Arizona State Retirement System | 21,512 | $651.2K | 0.00% | −379−1.7% | Reduced |
| Strategic Advocates LLC | 21,915 | $663.4K | 0.28% | +14,660+202.1% | Added |
| Illinois Municipal Retirement Fund | 22,032 | $667.0K | 0.01% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 22,503 | $681.2K | 0.00% | +22,503 | New |
| Teachers Retirement System of the State of Kentucky | 22,733 | $688.0K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 23,441 | $709.6K | 0.04% | −10,726−31.4% | Reduced |
| Ensign Peak Advisors, Inc | 24,650 | $746.2K | 0.00% | +8,350+51.2% | Added |
| Harvest Investment Services, LLC | 26,093 | $789.8K | 0.36% | −631−2.4% | Reduced |
| Guggenheim Capital LLC | 28,117 | $851.1K | 0.01% | −91−0.3% | Reduced |
| Verition Fund Management LLC | 28,170 | $852.7K | 0.01% | −142,183−83.5% | Reduced |
| HSBC Holdings PLC | 28,658 | $869.0K | 0.00% | +28,658 | New |
| Walleye Capital LLC | 29,021 | $878.5K | 0.01% | +29,021 | New |
| China Universal Asset Management Co., Ltd. | 30,000 | $908.1K | 0.18% | +30,000 | New |
| Comerica Bank | 30,221 | $914.8K | 0.00% | −2,331−7.2% | Reduced |
| Gotham Asset Management, LLC | 30,226 | $914.9K | 0.02% | +1,875+6.6% | Added |
| Public Employees Retirement System of Ohio | 31,393 | $950.3K | 0.00% | −2,775−8.1% | Reduced |
| Sherbrooke Park Advisers LLC | 31,598 | $956.5K | 0.45% | −3,771−10.7% | Reduced |
| Yousif Capital Management, LLC | 32,951 | $997.4K | 0.01% | +95+0.3% | Added |
| Treasurer of the State of North Carolina | 33,247 | $1.01M | 0.00% | +320+1.0% | Added |
| BNP Paribas Arbitrage, SA | 34,061 | $1.03M | 0.00% | +34,061 | New |
| Price T Rowe Associates Inc | 34,465 | $1.04M | 0.00% | +6,325+22.5% | Added |
| South Dakota Investment Council | 35,000 | $1.06M | 0.02% | +35,000 | New |
| Dynamic Technology Lab Private Ltd | 37,418 | $1.13M | 0.12% | +11,321+43.4% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 37,812 | $1.14M | 0.00% | +1,783+4.9% | Added |
| Jump Financial, LLC | 41,395 | $1.25M | 0.04% | −150,628−78.4% | Reduced |
| MetLife Investment Management | 43,314 | $1.31M | 0.01% | −673−1.5% | Reduced |
| State Board of Administration of Florida Retirement System | 43,823 | $1.33M | 0.00% | +48+0.1% | Added |
| Mutual of America Capital Management LLC | 43,921 | $1.33M | 0.02% | −2,263−4.9% | Reduced |
| Covea Finance | 45,000 | $1.36M | 0.07% | 00.0% | Unchanged |
| Needham Investment Management LLC | 45,000 | $1.36M | 0.17% | +45,000 | New |
| TD Asset Management Inc | 46,800 | $1.42M | 0.00% | +46,800 | New |
| Caxton Associates LP | 46,914 | $1.42M | 0.07% | +17,554+59.8% | Added |
| Alps Advisors Inc | 47,971 | $1.45M | 0.01% | +9,126+23.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 47,430 | $1.46M | 0.03% | −42,072−47.0% | Reduced |
| LPL Financial LLC | 48,666 | $1.47M | 0.00% | +15,689+47.6% | Added |
| Aurora Investment Counsel | 57,136 | $1.48M | 0.97% | +57,136 | New |
| Amalgamated Bank | 49,654 | $1.50M | 0.01% | −7,452−13.0% | Reduced |
| M&T Bank Corp | 51,021 | $1.54M | 0.01% | −8,239−13.9% | Reduced |
| Edgestream Partners, L.P. | 55,383 | $1.68M | 0.12% | +55,383 | New |
| Raymond James & Associates | 58,310 | $1.77M | 0.00% | −47,349−44.8% | Reduced |
| Robbins Farley LLC | 59,006 | $1.79M | 1.12% | −8,135−12.1% | Reduced |
| Texas Permanent School Fund | 61,519 | $1.86M | 0.02% | +1,068+1.8% | Added |
| Envestnet Asset Management Inc | 62,029 | $1.88M | 0.00% | −61,347−49.7% | Reduced |
| Hussman Strategic Advisors, Inc. | 63,000 | $1.91M | 0.43% | −21,000−25.0% | Reduced |
| Rockefeller Capital Management L.P. | 66,192 | $2.00M | 0.01% | +18,831+39.8% | Added |
| Barclays PLC | 66,962 | $2.03M | 0.00% | +30,480+83.5% | Added |
| Aigen Investment Management, LP | 75,278 | $2.28M | 0.41% | +24,940+49.5% | Added |
| Vontobel Holding Ltd. | 75,414 | $2.28M | 0.02% | +14,790+24.4% | Added |
| PDT Partners, LLC | 78,794 | $2.39M | 0.26% | +31,132+65.3% | Added |
| Credit Suisse AG | 79,796 | $2.42M | 0.00% | +1,464+1.9% | Added |
| Citigroup Inc | 80,196 | $2.43M | 0.00% | +12,558+18.6% | Added |
| Prudential Financial Inc | 80,769 | $2.44M | 0.00% | +4,497+5.9% | Added |
| California State Teachers Retirement System | 81,481 | $2.47M | 0.00% | −3,268−3.9% | Reduced |