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, Q1 2025
Institutional positions in Allegro Microsystems, Inc. as of Mar 31, 2025. 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
- 292
- +38 vs. Q4 2024
- Shares held
- 157.6M
- +15.7M (+11.1%) vs. Q4 2024
- Total value
- $3.96B
- +$859.2M (+27.7%) vs. Q4 2024
- New holders
- 70
- 105 more added
- Sold out
- 32
- 82 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 77,350 | $1.94M | 0.01% | +77,350 | New |
| Price T Rowe Associates Inc | 77,289 | $1.94M | 0.00% | −2,175−2.7% | Reduced |
| MetLife Investment Management | 72,348 | $1.82M | 0.01% | −1,150−1.6% | Reduced |
| Mutual of America Capital Management LLC | 67,283 | $1.69M | 0.02% | −1,722−2.5% | Reduced |
| Amalgamated Bank | 60,294 | $1.51M | 0.01% | −1,503−2.4% | Reduced |
| LPL Financial LLC | 58,970 | $1.48M | 0.00% | +19,471+49.3% | Added |
| Oak Thistle LLC | 58,618 | $1.47M | 0.30% | +28,930+97.4% | Added |
| Credit Industriel Et Commercial | 56,206 | $1.41M | 0.26% | +56,206 | New |
| New York State Common Retirement Fund | 54,138 | $1.36M | 0.00% | −338,157−86.2% | Reduced |
| Treasurer of the State of North Carolina | 53,578 | $1.35M | 0.01% | −430−0.8% | Reduced |
| Ecofi Investissements SA | 61,200 | $1.31M | 0.84% | 00.0% | Unchanged |
| Needham Investment Management LLC | 50,000 | $1.26M | 0.12% | −40,000−44.4% | Reduced |
| Atom Investors LP | 46,016 | $1.16M | 0.14% | −18,700−28.9% | Reduced |
| Yousif Capital Management, LLC | 44,412 | $1.12M | 0.01% | −1,236−2.7% | Reduced |
| Group One Trading, L.P. | 44,285 | $1.11M | 0.05% | +9,385+26.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 42,138 | $1.06M | 0.01% | −2,953−6.5% | Reduced |
| Quantinno Capital Management LP | 39,762 | $999.2K | 0.01% | +21,751+120.8% | Added |
| Teachers Retirement System of the State of Kentucky | 39,633 | $996.0K | 0.01% | +16,900+74.3% | Added |
| Natixis Advisors, L.P. | 38,563 | $969.0K | 0.00% | +12,392+47.4% | Added |
| Moody National Bank Trust Division | 38,467 | $966.7K | 0.10% | +38,467 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,217 | $935.3K | 0.00% | +4,366+13.3% | Added |
| Arizona State Retirement System | 36,893 | $927.1K | 0.01% | −400−1.1% | Reduced |
| Public Employees Retirement System of Ohio | 36,705 | $922.4K | 0.00% | −5,980−14.0% | Reduced |
| Louisiana State Employees Retirement System | 36,600 | $919.8K | 0.02% | +300+0.8% | Added |
| HSBC Holdings PLC | 35,894 | $901.9K | 0.00% | −17,999−33.4% | Reduced |
| Groupe la Francaise | 37,137 | $878.3K | 0.02% | +37,137 | New |
| Victory Capital Management Inc | 34,716 | $872.4K | 0.00% | −4,820−12.2% | Reduced |
| IMC-Chicago, LLC | 34,676 | $871.4K | 0.03% | +34,676 | New |
| New York State Teachers Retirement System | 33,800 | $849.0K | 0.00% | +10,900+47.6% | Added |
| Ardsley Advisory Partners LP | 32,500 | $816.7K | 0.19% | +32,500 | New |
| SG Americas Securities, LLC | 32,030 | $805.0K | 0.00% | +32,030 | New |
| Granahan Investment Management Inc | 31,956 | $803.1K | 0.04% | −169,861−84.2% | Reduced |
| New Mexico Educational Retirement Board | 31,881 | $801.0K | 0.03% | 00.0% | Unchanged |
| Alps Advisors Inc | 31,686 | $796.3K | 0.00% | −11,685−26.9% | Reduced |
| State of Michigan Retirement System | 31,300 | $786.6K | 0.00% | +400+1.3% | Added |
| Handelsbanken Fonder AB | 31,200 | $784.0K | 0.00% | −5,200−14.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 30,691 | $771.3K | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 30,651 | $770.0K | 0.00% | −85−0.3% | Reduced |
| Bryce Point Capital, LLC | 29,971 | $753.7K | 0.57% | −36,183−54.7% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 29,066 | $730.4K | 0.01% | +33+0.1% | Added |
| JustInvest LLC | 26,967 | $677.7K | 0.01% | +9,322+52.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 26,883 | $668.3K | 0.00% | +4,185+18.4% | Added |
| Oregon Public Employees Retirement Fund | 26,537 | $666.9K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 26,468 | $665.0K | 0.02% | +26,468 | New |
| Deutsche Bank AG | 26,332 | $661.7K | 0.00% | +95+0.4% | Added |
| Ameritas Investment Partners, Inc. | 26,164 | $657.5K | 0.02% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 24,900 | $625.7K | 0.00% | −2,700−9.8% | Reduced |
| Creative Planning | 24,819 | $623.7K | 0.00% | +14,070+130.9% | Added |
| ClearAlpha Technologies LP | 24,000 | $603.1K | 0.54% | +24,000 | New |
| Ensign Peak Advisors, Inc | 23,466 | $589.7K | 0.00% | 00.0% | Unchanged |
| Synovus Financial Corp | 23,034 | $578.8K | 0.01% | +23,034 | New |
| Advisors Asset Management, Inc. | 22,672 | $569.7K | 0.01% | +3,523+18.4% | Added |
| Prelude Capital Management, LLC | 22,160 | $556.9K | 0.06% | +22,160 | New |
| Pathstone Holdings, LLC | 21,742 | $546.4K | 0.00% | +2,416+12.5% | Added |
| Van Eck Associates Corp | 21,343 | $536.0K | 0.00% | −955−4.3% | Reduced |
| ProShare Advisors LLC | 21,077 | $529.7K | 0.00% | −2,114−9.1% | Reduced |
| Guggenheim Capital LLC | 20,945 | $526.3K | 0.00% | −7,054−25.2% | Reduced |
| Ethic Inc. | 19,477 | $509.9K | 0.01% | +19,477 | New |
| Pictet Asset Management Holding SA | 20,006 | $502.6K | 0.00% | +2,353+13.3% | Added |
| Woodline Partners LP | 19,222 | $483.0K | 0.00% | −1,814,483−99.0% | Reduced |
| Teacher Retirement System of Texas | 18,828 | $473.1K | 0.00% | +18,828 | New |
| Bank of Montreal | 18,251 | $458.6K | 0.00% | +3,846+26.7% | Added |
| Circle Wealth Management, LLC | 18,208 | $457.6K | 0.01% | 00.0% | Unchanged |
| American Century Companies Inc | 17,982 | $451.9K | 0.00% | −760−4.1% | Reduced |
| Keybank National Association | 17,125 | $430.4K | 0.00% | +5,365+45.6% | Added |
| The PNC Financial Services Group, Inc. | 16,353 | $411.0K | 0.00% | +1,092+7.2% | Added |
| Wolverine Trading, LLC | 16,433 | $408.5K | 0.01% | +16,433 | New |
| Xponance, Inc. | 15,668 | $393.7K | 0.00% | +806+5.4% | Added |
| State of Alaska, Department of Revenue | 15,062 | $378.0K | 0.00% | −45,949−75.3% | Reduced |
| Boothbay Fund Management, LLC | 15,011 | $377.2K | 0.01% | +4,383+41.2% | Added |
| Shay Capital LLC | 15,000 | $376.9K | 0.11% | +15,000 | New |
| Banque Pictet & Cie SA | 14,289 | $359.1K | 0.00% | +14,289 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,131 | $355.1K | 0.00% | +14,131 | New |
| CI Private Wealth, LLC | 13,554 | $340.6K | 0.00% | +13,554 | New |
| Legato Capital Management LLC | 13,500 | $339.3K | 0.05% | +13,500 | New |
| Virginia Retirement Systems Et Al | 13,169 | $330.9K | 0.00% | +13,169 | New |
| Pacer Advisors, Inc. | 13,043 | $327.8K | 0.00% | −46,323−78.0% | Reduced |
| AQR Capital Management LLC | 13,763 | $325.1K | 0.00% | +13,763 | New |
| Russell Investments Group, Ltd. | 12,491 | $313.9K | 0.00% | +1,892+17.9% | Added |
| RSM US Wealth Management LLC | 11,762 | $295.6K | 0.00% | +11,762 | New |
| Bailard, Inc. | 11,600 | $291.5K | 0.01% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 11,300 | $284.0K | 0.31% | 00.0% | Unchanged |
| Avantax Advisory Services, Inc. | 11,061 | $278.0K | 0.00% | +11,061 | New |
| Commerce Bank | 10,930 | $274.7K | 0.00% | −110−1.0% | Reduced |
| Fiduciary Trust Co | 10,768 | $270.6K | 0.00% | +10,768 | New |
| Prudential Financial Inc | 12,644 | $262.8K | 0.00% | +12,644 | New |
| Vident Advisory, LLC | 10,081 | $253.3K | 0.00% | +10,081 | New |
| US Bancorp | 9,946 | $249.9K | 0.00% | +7,486+304.3% | Added |
| Securian Asset Management, Inc | 9,875 | $248.2K | 0.01% | 00.0% | Unchanged |
| Cantor Fitzgerald, L. P. | 9,822 | $246.8K | 0.01% | +9,822 | New |
| 111 Capital | 9,443 | $237.3K | 0.05% | +9,443 | New |
| Cetera Investment Advisers | 9,392 | $236.0K | 0.00% | −3,821−28.9% | Reduced |
| Profund Advisors LLC | 9,256 | $232.6K | 0.01% | −1,103−10.6% | Reduced |
| ISAM Funds (UK) Ltd | 8,961 | $225.2K | 0.11% | +8,961 | New |
| Cresset Asset Management, LLC | 8,058 | $202.5K | 0.00% | +8,058 | New |
| West Tower Group, LLC | 8,000 | $201.0K | 0.53% | +8,000 | New |
| Public Employees Retirement Association of Colorado | 7,635 | $192.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 7,492 | $188.3K | 0.00% | −6,572−46.7% | Reduced |
| Assetmark, Inc | 7,210 | $181.2K | 0.00% | −313−4.2% | Reduced |
| Tower Research Capital LLC (TRC) | 6,814 | $171.2K | 0.01% | −13,484−66.4% | Reduced |