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 |
|---|---|---|---|---|---|
| Avion Wealth | 17 | $0 | 0.00% | −17−50.0% | Reduced |
| TFC Financial Management | 1 | $27 | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 2 | $53 | 0.00% | +2 | New |
| Dunhill Financial, LLC | 3 | $71 | 0.00% | +3 | New |
| Eastern Bank | 3 | $79 | 0.00% | +3 | New |
| Creative Financial Designs Inc | 5 | $132 | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 5 | $132 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 6 | $158 | 0.00% | −32−84.2% | Reduced |
| Transamerica Financial Advisors, Inc. | 6 | $158 | 0.00% | +6 | New |
| Versant Capital Management, Inc | 7 | $185 | 0.00% | −140−95.2% | Reduced |
| IMA Wealth, Inc. | 8 | $211 | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 9 | $237 | 0.00% | 00.0% | Unchanged |
| Principia Wealth Advisory, LLC | 9 | $237 | 0.00% | +9 | New |
| SHP Wealth Management | 12 | $317 | 0.00% | +12 | New |
| MV Capital Management, Inc. | 14 | $370 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 18 | $475 | 0.00% | −762−97.7% | Reduced |
| Cromwell Holdings LLC | 19 | $501 | 0.00% | 00.0% | Unchanged |
| Optima Capital LLC | 19 | $501 | 0.00% | +19 | New |
| Cornerstone Planning Group LLC | 15 | $518 | 0.00% | +3+25.0% | Added |
| Bogart Wealth, LLC | 23 | $607 | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 23 | $607 | 0.00% | +23 | New |
| Northwestern Mutual Wealth Management Co | 26 | $686 | 0.00% | +26 | New |
| Copia Wealth Management | 27 | $712 | 0.00% | +27 | New |
| Fortitude Family Office, LLC | 35 | $923 | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 36 | $950 | 0.00% | +36 | New |
| Keating Financial Advisory Services, Inc. | 37 | $976 | 0.00% | +37 | New |
| Zions Bancorporation, National Association | 41 | $1.08K | 0.00% | +41 | New |
| Root Financial Partners, LLC | 42 | $1.11K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 46 | $1.21K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 54 | $1.43K | 0.00% | +27+100.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 57 | $1.50K | 0.00% | +57 | New |
| Kilter Group LLC | 61 | $1.61K | 0.00% | −20−24.7% | Reduced |
| MAI Capital Management | 70 | $1.85K | 0.00% | +70 | New |
| South State Corp. | 81 | $2.14K | 0.00% | +71+710.0% | Added |
| Farmers & Merchants Investments Inc | 85 | $2.24K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 75 | $2.37K | 0.00% | −29−27.9% | Reduced |
| Bell Investment Advisors, Inc | 101 | $2.67K | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 110 | $2.90K | 0.00% | −68−38.2% | Reduced |
| Concord Wealth Partners | 120 | $3.17K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 123 | $3.25K | 0.00% | −1,077−89.8% | Reduced |
| Hilton Head Capital Partners, LLC | 125 | $3.30K | 0.00% | +125 | New |
| Leonteq Securities AG | 135 | $3.56K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 137 | $3.62K | 0.00% | +137 | New |
| Global Retirement Partners, LLC | 139 | $3.67K | 0.00% | −4,355−96.9% | Reduced |
| Truvestments Capital LLC | 154 | $4.06K | 0.00% | 00.0% | Unchanged |
| Flagship Harbor Advisors, LLC | 178 | $4.70K | 0.00% | +178 | New |
| Sunbelt Securities, Inc. | 185 | $4.88K | 0.00% | +185 | New |
| Massmutual Trust Co FSB | 196 | $5.17K | 0.00% | −5−2.5% | Reduced |
| Smartleaf Asset Management LLC | 223 | $5.98K | 0.00% | −171−43.4% | Reduced |
| Huntington National Bank | 231 | $6.09K | 0.00% | −27−10.5% | Reduced |
| Spire Wealth Management | 233 | $6.15K | 0.00% | +7+3.1% | Added |
| Parkside Financial Bank & Trust | 266 | $7.02K | 0.00% | +13+5.1% | Added |
| Global X Japan Co., Ltd. | 315 | $8.31K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 357 | $9.00K | 0.00% | −75−17.4% | Reduced |
| Jones Financial Companies LLLP | 378 | $9.97K | 0.00% | +317+519.7% | Added |
| Activest Wealth Management | 385 | $10.2K | 0.00% | +385 | New |
| Clearstead Advisors, LLC | 388 | $10.2K | 0.00% | −93−19.3% | Reduced |
| SRS Capital Advisors, Inc. | 393 | $10.4K | 0.00% | −1,448−78.7% | Reduced |
| Covestor Ltd | 460 | $12.0K | 0.01% | +19+4.3% | Added |
| EverSource Wealth Advisors, LLC | 551 | $14.5K | 0.00% | −23−4.0% | Reduced |
| Rothschild Investment LLC | 578 | $15.2K | 0.00% | +201+53.3% | Added |
| Hurley Capital, LLC | 603 | $15.9K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 653 | $17.2K | 0.00% | +47+7.8% | Added |
| Quadrant Capital Group LLC | 653 | $17.2K | 0.00% | −126−16.2% | Reduced |
| Parallel Advisors, LLC | 706 | $18.6K | 0.00% | −188−21.0% | Reduced |
| Los Angeles Capital Management LLC | 616 | $18.6K | 0.00% | +616 | New |
| Allworth Financial LP | 818 | $21.6K | 0.00% | +140+20.6% | Added |
| CoreCap Advisors, LLC | 900 | $23.7K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 997 | $26.3K | 0.00% | +51+5.4% | Added |
| Fifth Third Bancorp | 1,173 | $30.9K | 0.00% | −94−7.4% | Reduced |
| Sound Income Strategies, LLC | 1,009 | $33.6K | 0.00% | +154+18.0% | Added |
| Kestra Advisory Services, LLC | 1,281 | $33.8K | 0.00% | +1,281 | New |
| CIBC Private Wealth Group, LLC | 1,345 | $35.5K | 0.00% | +1,336+14,844.4% | Added |
| Umb Bank N A | 1,690 | $44.6K | 0.00% | −171−9.2% | Reduced |
| Quest Partners LLC | 1,776 | $46.9K | 0.00% | −3,298−65.0% | Reduced |
| US Bancorp | 2,005 | $52.9K | 0.00% | +335+20.1% | Added |
| Farther Finance Advisors, LLC | 2,142 | $56.5K | 0.00% | +1,908+815.4% | Added |
| Federation des caisses Desjardins du Quebec | 2,176 | $57.4K | 0.00% | +2,176 | New |
| SBI Securities Co., Ltd. | 2,301 | $60.7K | 0.00% | +1,782+343.4% | Added |
| GWM Advisors LLC | 2,401 | $63.3K | 0.00% | −82−3.3% | Reduced |
| TD Waterhouse Canada Inc. | 2,459 | $64.8K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,672 | $70.5K | 0.00% | −1,273−32.3% | Reduced |
| STRS Ohio | 2,948 | $77.8K | 0.00% | +5+0.2% | Added |
| GAMMA Investing LLC | 2,963 | $78.2K | 0.00% | −214−6.7% | Reduced |
| Tower Research Capital LLC (TRC) | 3,250 | $85.7K | 0.00% | +224+7.4% | Added |
| Advisor Group Holdings, Inc. | 3,261 | $86.0K | 0.00% | −2,904−47.1% | Reduced |
| Walleye Capital LLC | 3,605 | $95.1K | 0.00% | +3,605 | New |
| 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 |
| 1620 Investment Advisors, Inc. | 4,578 | $120.8K | 0.08% | −204−4.3% | Reduced |
| Acadian Asset Management LLC | 4,807 | $126.0K | 0.00% | −43,433−90.0% | Reduced |
| Assetmark, Inc | 5,633 | $148.6K | 0.00% | −407−6.7% | Reduced |
| Ensign Peak Advisors, Inc | 6,366 | $167.9K | 0.00% | −17,100−72.9% | Reduced |
| Sterling Capital Management LLC | 7,281 | $192.1K | 0.00% | −328−4.3% | Reduced |
| Public Employees Retirement Association of Colorado | 7,635 | $201.0K | 0.00% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 7,798 | $205.6K | 0.00% | +7,798 | New |
| Jupiter Asset Management Ltd | 7,931 | $209.2K | 0.00% | +7,931 | New |
| Aquatic Capital Management LLC | 7,994 | $210.9K | 0.01% | +7,994 | New |
| Evergreen Capital Management LLC | 8,048 | $212.3K | 0.00% | +8,048 | New |
| Prudential Financial Inc | 8,160 | $215.3K | 0.00% | −4,685−36.5% | Reduced |