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 |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 9,392 | $236.0K | 0.00% | −3,821−28.9% | Reduced |
| 111 Capital | 9,443 | $237.3K | 0.05% | +9,443 | New |
| Cantor Fitzgerald, L. P. | 9,822 | $246.8K | 0.01% | +9,822 | New |
| Securian Asset Management, Inc | 9,875 | $248.2K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 9,946 | $249.9K | 0.00% | +7,486+304.3% | Added |
| Vident Advisory, LLC | 10,081 | $253.3K | 0.00% | +10,081 | New |
| Prudential Financial Inc | 12,644 | $262.8K | 0.00% | +12,644 | New |
| Fiduciary Trust Co | 10,768 | $270.6K | 0.00% | +10,768 | New |
| Commerce Bank | 10,930 | $274.7K | 0.00% | −110−1.0% | Reduced |
| Avantax Advisory Services, Inc. | 11,061 | $278.0K | 0.00% | +11,061 | New |
| Yorktown Management & Research Co Inc | 11,300 | $284.0K | 0.31% | 00.0% | Unchanged |
| Bailard, Inc. | 11,600 | $291.5K | 0.01% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 11,762 | $295.6K | 0.00% | +11,762 | New |
| Russell Investments Group, Ltd. | 12,491 | $313.9K | 0.00% | +1,892+17.9% | Added |
| AQR Capital Management LLC | 13,763 | $325.1K | 0.00% | +13,763 | New |
| Pacer Advisors, Inc. | 13,043 | $327.8K | 0.00% | −46,323−78.0% | Reduced |
| Virginia Retirement Systems Et Al | 13,169 | $330.9K | 0.00% | +13,169 | New |
| Legato Capital Management LLC | 13,500 | $339.3K | 0.05% | +13,500 | New |
| CI Private Wealth, LLC | 13,554 | $340.6K | 0.00% | +13,554 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,131 | $355.1K | 0.00% | +14,131 | New |
| Banque Pictet & Cie SA | 14,289 | $359.1K | 0.00% | +14,289 | New |
| Shay Capital LLC | 15,000 | $376.9K | 0.11% | +15,000 | New |
| Boothbay Fund Management, LLC | 15,011 | $377.2K | 0.01% | +4,383+41.2% | Added |
| State of Alaska, Department of Revenue | 15,062 | $378.0K | 0.00% | −45,949−75.3% | Reduced |
| Xponance, Inc. | 15,668 | $393.7K | 0.00% | +806+5.4% | Added |
| Wolverine Trading, LLC | 16,433 | $408.5K | 0.01% | +16,433 | New |
| The PNC Financial Services Group, Inc. | 16,353 | $411.0K | 0.00% | +1,092+7.2% | Added |
| Keybank National Association | 17,125 | $430.4K | 0.00% | +5,365+45.6% | Added |
| American Century Companies Inc | 17,982 | $451.9K | 0.00% | −760−4.1% | Reduced |
| Circle Wealth Management, LLC | 18,208 | $457.6K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 18,251 | $458.6K | 0.00% | +3,846+26.7% | Added |
| Teacher Retirement System of Texas | 18,828 | $473.1K | 0.00% | +18,828 | New |
| Woodline Partners LP | 19,222 | $483.0K | 0.00% | −1,814,483−99.0% | Reduced |
| Pictet Asset Management Holding SA | 20,006 | $502.6K | 0.00% | +2,353+13.3% | Added |
| Ethic Inc. | 19,477 | $509.9K | 0.01% | +19,477 | New |
| Guggenheim Capital LLC | 20,945 | $526.3K | 0.00% | −7,054−25.2% | Reduced |
| ProShare Advisors LLC | 21,077 | $529.7K | 0.00% | −2,114−9.1% | Reduced |
| Van Eck Associates Corp | 21,343 | $536.0K | 0.00% | −955−4.3% | Reduced |
| Pathstone Holdings, LLC | 21,742 | $546.4K | 0.00% | +2,416+12.5% | Added |
| Prelude Capital Management, LLC | 22,160 | $556.9K | 0.06% | +22,160 | New |
| Advisors Asset Management, Inc. | 22,672 | $569.7K | 0.01% | +3,523+18.4% | Added |
| Synovus Financial Corp | 23,034 | $578.8K | 0.01% | +23,034 | New |
| Ensign Peak Advisors, Inc | 23,466 | $589.7K | 0.00% | 00.0% | Unchanged |
| ClearAlpha Technologies LP | 24,000 | $603.1K | 0.54% | +24,000 | New |
| Creative Planning | 24,819 | $623.7K | 0.00% | +14,070+130.9% | Added |
| KLP Kapitalforvaltning AS | 24,900 | $625.7K | 0.00% | −2,700−9.8% | Reduced |
| Ameritas Investment Partners, Inc. | 26,164 | $657.5K | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 26,332 | $661.7K | 0.00% | +95+0.4% | Added |
| Simplex Trading, LLC | 26,468 | $665.0K | 0.02% | +26,468 | New |
| Oregon Public Employees Retirement Fund | 26,537 | $666.9K | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 26,883 | $668.3K | 0.00% | +4,185+18.4% | Added |
| JustInvest LLC | 26,967 | $677.7K | 0.01% | +9,322+52.8% | Added |
| Northwestern Mutual Investment Management Company, LLC | 29,066 | $730.4K | 0.01% | +33+0.1% | Added |
| Bryce Point Capital, LLC | 29,971 | $753.7K | 0.57% | −36,183−54.7% | Reduced |
| Thrivent Financial for Lutherans | 30,651 | $770.0K | 0.00% | −85−0.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 30,691 | $771.3K | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 31,200 | $784.0K | 0.00% | −5,200−14.3% | Reduced |
| State of Michigan Retirement System | 31,300 | $786.6K | 0.00% | +400+1.3% | Added |
| Alps Advisors Inc | 31,686 | $796.3K | 0.00% | −11,685−26.9% | Reduced |
| New Mexico Educational Retirement Board | 31,881 | $801.0K | 0.03% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 31,956 | $803.1K | 0.04% | −169,861−84.2% | Reduced |
| SG Americas Securities, LLC | 32,030 | $805.0K | 0.00% | +32,030 | New |
| Ardsley Advisory Partners LP | 32,500 | $816.7K | 0.19% | +32,500 | New |
| New York State Teachers Retirement System | 33,800 | $849.0K | 0.00% | +10,900+47.6% | Added |
| IMC-Chicago, LLC | 34,676 | $871.4K | 0.03% | +34,676 | New |
| Victory Capital Management Inc | 34,716 | $872.4K | 0.00% | −4,820−12.2% | Reduced |
| Groupe la Francaise | 37,137 | $878.3K | 0.02% | +37,137 | New |
| HSBC Holdings PLC | 35,894 | $901.9K | 0.00% | −17,999−33.4% | Reduced |
| Louisiana State Employees Retirement System | 36,600 | $919.8K | 0.02% | +300+0.8% | Added |
| Public Employees Retirement System of Ohio | 36,705 | $922.4K | 0.00% | −5,980−14.0% | Reduced |
| Arizona State Retirement System | 36,893 | $927.1K | 0.01% | −400−1.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,217 | $935.3K | 0.00% | +4,366+13.3% | Added |
| Moody National Bank Trust Division | 38,467 | $966.7K | 0.10% | +38,467 | New |
| Natixis Advisors, L.P. | 38,563 | $969.0K | 0.00% | +12,392+47.4% | Added |
| Teachers Retirement System of the State of Kentucky | 39,633 | $996.0K | 0.01% | +16,900+74.3% | Added |
| Quantinno Capital Management LP | 39,762 | $999.2K | 0.01% | +21,751+120.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 42,138 | $1.06M | 0.01% | −2,953−6.5% | Reduced |
| Group One Trading, L.P. | 44,285 | $1.11M | 0.05% | +9,385+26.9% | Added |
| Yousif Capital Management, LLC | 44,412 | $1.12M | 0.01% | −1,236−2.7% | Reduced |
| Atom Investors LP | 46,016 | $1.16M | 0.14% | −18,700−28.9% | Reduced |
| Needham Investment Management LLC | 50,000 | $1.26M | 0.12% | −40,000−44.4% | Reduced |
| Ecofi Investissements SA | 61,200 | $1.31M | 0.84% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 53,578 | $1.35M | 0.01% | −430−0.8% | Reduced |
| New York State Common Retirement Fund | 54,138 | $1.36M | 0.00% | −338,157−86.2% | Reduced |
| Credit Industriel Et Commercial | 56,206 | $1.41M | 0.26% | +56,206 | New |
| Oak Thistle LLC | 58,618 | $1.47M | 0.30% | +28,930+97.4% | Added |
| LPL Financial LLC | 58,970 | $1.48M | 0.00% | +19,471+49.3% | Added |
| Amalgamated Bank | 60,294 | $1.51M | 0.01% | −1,503−2.4% | Reduced |
| Mutual of America Capital Management LLC | 67,283 | $1.69M | 0.02% | −1,722−2.5% | Reduced |
| MetLife Investment Management | 72,348 | $1.82M | 0.01% | −1,150−1.6% | Reduced |
| Price T Rowe Associates Inc | 77,289 | $1.94M | 0.00% | −2,175−2.7% | Reduced |
| State of New Jersey Common Pension Fund D | 77,350 | $1.94M | 0.01% | +77,350 | New |
| Royce & Associates LP | 78,153 | $1.96M | 0.02% | +78,153 | New |
| Lisanti Capital Growth, LLC | 79,055 | $1.99M | 0.59% | +79,055 | New |
| State Board of Administration of Florida Retirement System | 84,393 | $2.12M | 0.00% | +4,530+5.7% | Added |
| New Age Alpha Advisors, LLC | 85,071 | $2.14M | 0.10% | −35,552−29.5% | Reduced |
| Squarepoint Ops LLC | 87,580 | $2.20M | 0.01% | +74,777+584.1% | Added |
| State of Tennessee, Treasury Department | 93,365 | $2.35M | 0.01% | 00.0% | Unchanged |
| Kettle Hill Capital Management, LLC | 93,393 | $2.35M | 0.64% | −729,608−88.7% | Reduced |
| Holocene Advisors, LP | 93,404 | $2.35M | 0.01% | −116,814−55.6% | Reduced |