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 2025
Institutional positions in Allegro Microsystems, Inc. as of Dec 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
- 294
- +5 vs. Q3 2025
- Shares held
- 136.5M
- +1.07M (+0.8%) vs. Q3 2025
- Total value
- $3.60B
- −$352.0M (−8.9%) vs. Q3 2025
- New holders
- 56
- 79 more added
- Sold out
- 51
- 122 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sterling Capital Management LLC | 7,281 | $192.1K | 0.00% | −328−4.3% | Reduced |
| Ensign Peak Advisors, Inc | 6,366 | $167.9K | 0.00% | −17,100−72.9% | Reduced |
| Assetmark, Inc | 5,633 | $148.6K | 0.00% | −407−6.7% | Reduced |
| Acadian Asset Management LLC | 4,807 | $126.0K | 0.00% | −43,433−90.0% | Reduced |
| 1620 Investment Advisors, Inc. | 4,578 | $120.8K | 0.08% | −204−4.3% | Reduced |
| KBC Group NV | 3,694 | $97.0K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 3,667 | $97.0K | 0.00% | +2,766+307.0% | Added |
| Walleye Capital LLC | 3,605 | $95.1K | 0.00% | +3,605 | New |
| Advisor Group Holdings, Inc. | 3,261 | $86.0K | 0.00% | −2,904−47.1% | Reduced |
| Tower Research Capital LLC (TRC) | 3,250 | $85.7K | 0.00% | +224+7.4% | Added |
| GAMMA Investing LLC | 2,963 | $78.2K | 0.00% | −214−6.7% | Reduced |
| STRS Ohio | 2,948 | $77.8K | 0.00% | +5+0.2% | Added |
| Nisa Investment Advisors, LLC | 2,672 | $70.5K | 0.00% | −1,273−32.3% | Reduced |
| TD Waterhouse Canada Inc. | 2,459 | $64.8K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 2,401 | $63.3K | 0.00% | −82−3.3% | Reduced |
| SBI Securities Co., Ltd. | 2,301 | $60.7K | 0.00% | +1,782+343.4% | Added |
| Federation des caisses Desjardins du Quebec | 2,176 | $57.4K | 0.00% | +2,176 | New |
| Farther Finance Advisors, LLC | 2,142 | $56.5K | 0.00% | +1,908+815.4% | Added |
| US Bancorp | 2,005 | $52.9K | 0.00% | +335+20.1% | Added |
| Quest Partners LLC | 1,776 | $46.9K | 0.00% | −3,298−65.0% | Reduced |
| Umb Bank N A | 1,690 | $44.6K | 0.00% | −171−9.2% | Reduced |
| CIBC Private Wealth Group, LLC | 1,345 | $35.5K | 0.00% | +1,336+14,844.4% | Added |
| Kestra Advisory Services, LLC | 1,281 | $33.8K | 0.00% | +1,281 | New |
| Sound Income Strategies, LLC | 1,009 | $33.6K | 0.00% | +154+18.0% | Added |
| Fifth Third Bancorp | 1,173 | $30.9K | 0.00% | −94−7.4% | Reduced |
| Quent Capital, LLC | 997 | $26.3K | 0.00% | +51+5.4% | Added |
| CoreCap Advisors, LLC | 900 | $23.7K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 818 | $21.6K | 0.00% | +140+20.6% | Added |
| Los Angeles Capital Management LLC | 616 | $18.6K | 0.00% | +616 | New |
| Parallel Advisors, LLC | 706 | $18.6K | 0.00% | −188−21.0% | Reduced |
| Quadrant Capital Group LLC | 653 | $17.2K | 0.00% | −126−16.2% | Reduced |
| Signaturefd, LLC | 653 | $17.2K | 0.00% | +47+7.8% | Added |
| Hurley Capital, LLC | 603 | $15.9K | 0.01% | 00.0% | Unchanged |
| Rothschild Investment LLC | 578 | $15.2K | 0.00% | +201+53.3% | Added |
| EverSource Wealth Advisors, LLC | 551 | $14.5K | 0.00% | −23−4.0% | Reduced |
| Covestor Ltd | 460 | $12.0K | 0.01% | +19+4.3% | Added |
| SRS Capital Advisors, Inc. | 393 | $10.4K | 0.00% | −1,448−78.7% | Reduced |
| Clearstead Advisors, LLC | 388 | $10.2K | 0.00% | −93−19.3% | Reduced |
| Activest Wealth Management | 385 | $10.2K | 0.00% | +385 | New |
| Jones Financial Companies LLLP | 378 | $9.97K | 0.00% | +317+519.7% | Added |
| Bessemer Group Inc | 357 | $9.00K | 0.00% | −75−17.4% | Reduced |
| Global X Japan Co., Ltd. | 315 | $8.31K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 266 | $7.02K | 0.00% | +13+5.1% | Added |
| Spire Wealth Management | 233 | $6.15K | 0.00% | +7+3.1% | Added |
| Huntington National Bank | 231 | $6.09K | 0.00% | −27−10.5% | Reduced |
| Smartleaf Asset Management LLC | 223 | $5.98K | 0.00% | −171−43.4% | Reduced |
| Massmutual Trust Co FSB | 196 | $5.17K | 0.00% | −5−2.5% | Reduced |
| Sunbelt Securities, Inc. | 185 | $4.88K | 0.00% | +185 | New |
| Flagship Harbor Advisors, LLC | 178 | $4.70K | 0.00% | +178 | New |
| Truvestments Capital LLC | 154 | $4.06K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 139 | $3.67K | 0.00% | −4,355−96.9% | Reduced |
| SJS Investment Consulting Inc. | 137 | $3.62K | 0.00% | +137 | New |
| Leonteq Securities AG | 135 | $3.56K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 125 | $3.30K | 0.00% | +125 | New |
| Essential Partners LLC | 123 | $3.25K | 0.00% | −1,077−89.8% | Reduced |
| Concord Wealth Partners | 120 | $3.17K | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 110 | $2.90K | 0.00% | −68−38.2% | Reduced |
| Bell Investment Advisors, Inc | 101 | $2.67K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 75 | $2.37K | 0.00% | −29−27.9% | Reduced |
| Farmers & Merchants Investments Inc | 85 | $2.24K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 81 | $2.14K | 0.00% | +71+710.0% | Added |
| MAI Capital Management | 70 | $1.85K | 0.00% | +70 | New |
| Kilter Group LLC | 61 | $1.61K | 0.00% | −20−24.7% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 57 | $1.50K | 0.00% | +57 | New |
| IFP Advisors, Inc | 54 | $1.43K | 0.00% | +27+100.0% | Added |
| Ronald Blue Trust, Inc. | 46 | $1.21K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 42 | $1.11K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 41 | $1.08K | 0.00% | +41 | New |
| Keating Financial Advisory Services, Inc. | 37 | $976 | 0.00% | +37 | New |
| Golden State Wealth Management, LLC | 36 | $950 | 0.00% | +36 | New |
| Fortitude Family Office, LLC | 35 | $923 | 0.00% | 00.0% | Unchanged |
| Copia Wealth Management | 27 | $712 | 0.00% | +27 | New |
| Northwestern Mutual Wealth Management Co | 26 | $686 | 0.00% | +26 | New |
| Bogart Wealth, LLC | 23 | $607 | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 23 | $607 | 0.00% | +23 | New |
| Cornerstone Planning Group LLC | 15 | $518 | 0.00% | +3+25.0% | Added |
| Cromwell Holdings LLC | 19 | $501 | 0.00% | 00.0% | Unchanged |
| Optima Capital LLC | 19 | $501 | 0.00% | +19 | New |
| Caitong International Asset Management Co., Ltd | 18 | $475 | 0.00% | −762−97.7% | Reduced |
| MV Capital Management, Inc. | 14 | $370 | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 12 | $317 | 0.00% | +12 | New |
| Kayne Anderson Rudnick Investment Management LLC | 9 | $237 | 0.00% | 00.0% | Unchanged |
| Principia Wealth Advisory, LLC | 9 | $237 | 0.00% | +9 | New |
| IMA Wealth, Inc. | 8 | $211 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 7 | $185 | 0.00% | −140−95.2% | Reduced |
| Larson Financial Group LLC | 6 | $158 | 0.00% | −32−84.2% | Reduced |
| Transamerica Financial Advisors, Inc. | 6 | $158 | 0.00% | +6 | New |
| Creative Financial Designs Inc | 5 | $132 | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 5 | $132 | 0.00% | 00.0% | Unchanged |
| Eastern Bank | 3 | $79 | 0.00% | +3 | New |
| Dunhill Financial, LLC | 3 | $71 | 0.00% | +3 | New |
| Wealth Enhancement Trust Services, Inc. | 2 | $53 | 0.00% | +2 | New |
| TFC Financial Management | 1 | $27 | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 17 | $0 | 0.00% | −17−50.0% | Reduced |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −2,197,274−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −133,508−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −115,830−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −102,230−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −89,935−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −75,401−100.0% | Sold out |