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, Q2 2026
Institutional positions in Allegro Microsystems, Inc. as of Jun 30, 2026. 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
- 375
- +58 vs. Q1 2026
- Shares held
- 148.2M
- +9.97M (+7.2%) vs. Q1 2026
- Total value
- $10.2B
- +$5.91B (+136.7%) vs. Q1 2026
- New holders
- 101
- 117 more added
- Sold out
- 43
- 107 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clear Street Markets LLC | 2,633 | $183.3K | 0.04% | +2,633 | New |
| Farther Finance Advisors, LLC | 2,778 | $192.1K | 0.00% | +593+27.1% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 2,873 | $200.0K | 0.01% | +2,873 | New |
| Argent Trust Co | 2,877 | $200.3K | 0.01% | +2,877 | New |
| Merit Financial Group, LLC | 2,907 | $202.4K | 0.00% | +2,907 | New |
| Brinker Capital Investments, LLC | 2,918 | $203.2K | 0.00% | +2,918 | New |
| Verdence Capital Advisors LLC | 2,929 | $203.9K | 0.01% | +2,929 | New |
| HB Wealth Management, LLC | 2,929 | $203.9K | 0.00% | +2,929 | New |
| Lido Advisors, LLC | 2,991 | $208.3K | 0.00% | +2,991 | New |
| Teza Capital Management LLC | 3,019 | $210.2K | 0.41% | +3,019 | New |
| Seascape Capital Management | 3,028 | $211.0K | 0.05% | +3,028 | New |
| Fifth Third Wealth Advisors LLC | 3,073 | $213.9K | 0.01% | +3,073 | New |
| Catalytic Wealth RIA, LLC | 3,085 | $214.8K | 0.01% | +3,085 | New |
| XTX Topco Ltd | 3,192 | $222.2K | 0.00% | −65,375−95.3% | Reduced |
| Ritholtz Wealth Management | 3,254 | $226.5K | 0.00% | +3,254 | New |
| Larson Financial Group LLC | 3,357 | $233.7K | 0.01% | −582−14.8% | Reduced |
| Claret Asset Management Corp | 3,399 | $237.0K | 0.03% | −3,296−49.2% | Reduced |
| United Capital Financial Advisers, LLC | 3,414 | $237.7K | 0.00% | +3,414 | New |
| Prelude Capital Management, LLC | 3,430 | $238.8K | 0.02% | +3,430 | New |
| Group One Trading, L.P. | 3,468 | $241.4K | 0.01% | −5,946−63.2% | Reduced |
| Gsa Capital Partners LLP | 3,533 | $246.0K | 0.02% | −43,234−92.4% | Reduced |
| GAMMA Investing LLC | 3,545 | $246.8K | 0.01% | +177+5.3% | Added |
| Nisa Investment Advisors, LLC | 3,545 | $246.8K | 0.00% | +996+39.1% | Added |
| Graham Capital Management, L.P. | 3,605 | $251.0K | 0.01% | −13,351−78.7% | Reduced |
| Fiduciary Trust Co | 3,614 | $251.6K | 0.00% | +3,614 | New |
| North Dakota State Investment Board | 3,689 | $256.8K | 0.01% | +3,689 | New |
| Los Angeles Capital Management LLC | 3,752 | $261.2K | 0.00% | +2,506+201.1% | Added |
| Nykredit A/S | 3,787 | $263.7K | 0.00% | +3,787 | New |
| Aviva PLC | 3,891 | $270.9K | 0.00% | +3,891 | New |
| Perigon Wealth Management, LLC | 3,916 | $272.6K | 0.00% | +3,916 | New |
| Odyssean, LLC | 4,034 | $280.8K | 0.05% | +4,034 | New |
| Shelton Capital Management | 4,135 | $287.9K | 0.01% | +4,135 | New |
| Callan Family Office, LLC | 4,138 | $288.1K | 0.01% | +4,138 | New |
| Global Retirement Partners, LLC | 4,149 | $288.9K | 0.00% | +4,149 | New |
| Frec Markets, Inc. | 4,153 | $289.1K | 0.03% | +4,153 | New |
| Meeder Advisory Services, Inc. | 4,159 | $289.6K | 0.01% | +4,159 | New |
| Integrated Wealth Concepts LLC | 4,365 | $303.9K | 0.00% | −13,026−74.9% | Reduced |
| Vise Technologies, Inc. | 4,496 | $313.0K | 0.00% | +4,496 | New |
| KBC Group NV | 4,581 | $319.0K | 0.00% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 4,623 | $321.9K | 0.01% | +4,623 | New |
| Coldstream Capital Management Inc | 4,695 | $326.9K | 0.00% | +4,695 | New |
| Sanctuary Advisors, LLC | 4,698 | $327.1K | 0.00% | +4,698 | New |
| Dynasty Wealth Management, LLC | 4,704 | $327.5K | 0.00% | +4,704 | New |
| Brighton Jones LLC | 4,775 | $332.5K | 0.01% | +4,775 | New |
| Freestone Grove Partners LP | 4,859 | $338.3K | 0.00% | −1,574−24.5% | Reduced |
| Archford Capital Strategies, LLC | 5,001 | $348.2K | 0.04% | +5,001 | New |
| Jane Street Group, LLC | 5,136 | $357.6K | 0.00% | −10,343−66.8% | Reduced |
| Ground Swell Capital, LLC | 5,197 | $361.8K | 0.39% | +5,197 | New |
| Crossmark Global Holdings, Inc. | 5,238 | $364.7K | 0.00% | +5,238 | New |
| Hantz Financial Services, Inc. | 5,262 | $366.0K | 0.00% | +544+11.5% | Added |
| M&T Bank Corp | 5,416 | $377.1K | 0.00% | +5,416 | New |
| Acadian Asset Management LLC | 5,615 | $389.0K | 0.00% | −8,266−59.5% | Reduced |
| PFG Investments, LLC | 5,680 | $395.4K | 0.02% | +5,680 | New |
| CIBC Asset Management Inc | 5,725 | $398.6K | 0.00% | +5,725 | New |
| Belvedere Trading LLC | 5,764 | $401.3K | 0.03% | +5,764 | New |
| SEB Asset Management AB | 5,865 | $408.3K | 0.00% | −1,933−24.8% | Reduced |
| Securian Asset Management, Inc | 9,150 | $425.3K | 0.02% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 6,147 | $428.0K | 0.00% | +6,147 | New |
| HighTower Advisors, LLC | 6,233 | $433.9K | 0.00% | +6,233 | New |
| Assetmark, Inc | 6,307 | $439.1K | 0.00% | −31−0.5% | Reduced |
| Mount Yale Investment Advisors, LLC | 6,340 | $441.4K | 0.01% | −1,350−17.6% | Reduced |
| Ensign Peak Advisors, Inc | 6,366 | $443.2K | 0.00% | 00.0% | Unchanged |
| Whalen Wealth Management Inc. | 6,399 | $445.5K | 0.20% | +6,399 | New |
| Utah Retirement Systems | 6,505 | $452.9K | 0.00% | 00.0% | Unchanged |
| Everence Capital Management Inc | 6,590 | $459.0K | 0.02% | 00.0% | Unchanged |
| Axxion S.A. | 6,702 | $466.6K | 0.03% | +6,702 | New |
| Maryland State Retirement & Pension System | 6,797 | $473.2K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 6,799 | $473.3K | 0.00% | +426+6.7% | Added |
| DnB Asset Management AS | 6,923 | $482.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 6,942 | $483.3K | 0.01% | −29,599−81.0% | Reduced |
| Meridian Wealth Management, LLC | 6,950 | $483.9K | 0.01% | +6,950 | New |
| Advisor Group Holdings, Inc. | 7,234 | $503.6K | 0.00% | +4,849+203.3% | Added |
| Public Employees Retirement Association of Colorado | 7,635 | $532.0K | 0.00% | 00.0% | Unchanged |
| Atria Investments LLC | 7,695 | $535.7K | 0.01% | +7,695 | New |
| Advisory Services Network, LLC | 7,739 | $538.8K | 0.01% | +7,345+1,864.2% | Added |
| Pinnacle Financial Partners, Inc. | 7,863 | $547.4K | 0.00% | −20,253−72.0% | Reduced |
| CAPROCK Group, Inc. | 8,220 | $572.3K | 0.01% | +8,220 | New |
| Evolve Private Wealth, LLC | 8,428 | $586.8K | 0.04% | +8,428 | New |
| USS Investment Management Ltd | 8,500 | $591.7K | 0.00% | +8,500 | New |
| Wealth Enhancement Advisory Services, LLC | 10,944 | $600.5K | 0.00% | +813+8.0% | Added |
| Swiss Life Asset Management Ltd | 8,726 | $607.5K | 0.00% | +719+9.0% | Added |
| Entropy Technologies, LP | 8,728 | $607.6K | 0.02% | −58,991−87.1% | Reduced |
| Pinebridge Investments LLC | 9,105 | $633.9K | 0.01% | +9,105 | New |
| Truist Financial Corp | 9,166 | $638.1K | 0.00% | +9,166 | New |
| Gilder Gagnon Howe & Co LLC | 9,242 | $643.4K | 0.01% | −252−2.7% | Reduced |
| Evergreen Capital Management LLC | 9,338 | $650.1K | 0.01% | 00.0% | Unchanged |
| Profund Advisors LLC | 9,503 | $661.6K | 0.02% | +1,267+15.4% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 10,094 | $702.7K | 0.01% | −32,130−76.1% | Reduced |
| Captrust Financial Advisors | 10,136 | $705.7K | 0.00% | −772−7.1% | Reduced |
| Bank of Montreal | 10,797 | $751.7K | 0.00% | −2,346−17.8% | Reduced |
| EntryPoint Capital, LLC | 10,812 | $752.7K | 0.18% | +10,812 | New |
| Keybank National Association | 10,836 | $754.4K | 0.00% | −1,544−12.5% | Reduced |
| Vident Advisory, LLC | 10,954 | $762.6K | 0.01% | −453−4.0% | Reduced |
| Yorktown Management & Research Co Inc | 11,300 | $786.7K | 0.48% | 00.0% | Unchanged |
| Cerity Partners LLC | 12,009 | $836.0K | 0.00% | +12,009 | New |
| State of Alaska, Department of Revenue | 12,164 | $846.0K | 0.01% | −232−1.9% | Reduced |
| Teacher Retirement System of Texas | 12,692 | $883.6K | 0.00% | +12,692 | New |
| Mercer Global Advisors Inc | 13,153 | $915.7K | 0.00% | +1,803+15.9% | Added |
| Marshall Wace, LLP | 13,309 | $926.6K | 0.00% | −726,471−98.2% | Reduced |
| ProShare Advisors LLC | 13,407 | $933.4K | 0.00% | −2,924−17.9% | Reduced |