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 2026
Institutional positions in Allegro Microsystems, Inc. as of Mar 31, 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
- 322
- +33 vs. Q4 2025
- Shares held
- 138.3M
- +17.5M (+14.5%) vs. Q4 2025
- Total value
- $4.32B
- +$1.13B (+35.5%) vs. Q4 2025
- New holders
- 69
- 126 more added
- Sold out
- 36
- 86 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 9,886 | $311.7K | 0.06% | +9,868+54,822.2% | Added |
| Federated Hermes, Inc. | 9,868 | $311.1K | 0.00% | −105−1.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 9,494 | $299.3K | 0.00% | +9,494 | New |
| Group One Trading, L.P. | 9,414 | $296.8K | 0.01% | +9,414 | New |
| Evergreen Capital Management LLC | 9,338 | $294.4K | 0.01% | +1,290+16.0% | Added |
| Securian Asset Management, Inc | 9,150 | $288.5K | 0.01% | +123+1.4% | Added |
| Profund Advisors LLC | 8,236 | $259.7K | 0.01% | −1,008−10.9% | Reduced |
| Bailard, Inc. | 8,100 | $255.4K | 0.01% | +8,100 | New |
| Swiss Life Asset Management Ltd | 8,007 | $252.5K | 0.00% | +8,007 | New |
| SEB Asset Management AB | 7,798 | $245.9K | 0.00% | +7,798 | New |
| Mount Yale Investment Advisors, LLC | 7,690 | $242.5K | 0.01% | +7,690 | New |
| Jefferies Financial Group Inc. | 7,652 | $241.3K | 0.00% | +7,652 | New |
| Public Employees Retirement Association of Colorado | 7,635 | $241.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 7,395 | $233.2K | 0.00% | −765−9.4% | Reduced |
| DnB Asset Management AS | 6,923 | $218.3K | 0.00% | +6,923 | New |
| SIH Partners, LLLP | 6,872 | $216.7K | 0.01% | +6,872 | New |
| Machina Capital S.A.S. | 6,847 | $215.9K | 0.04% | +6,847 | New |
| Maryland State Retirement & Pension System | 6,797 | $214.3K | 0.00% | +6,797 | New |
| Algert Global LLC | 6,740 | $212.5K | 0.00% | +6,740 | New |
| Claret Asset Management Corp | 6,695 | $211.0K | 0.03% | +6,695 | New |
| Headlands Technologies LLC | 6,685 | $210.8K | 0.02% | +6,685 | New |
| Everence Capital Management Inc | 6,590 | $208.0K | 0.01% | +6,590 | New |
| Utah Retirement Systems | 6,505 | $205.1K | 0.00% | +6,505 | New |
| Freestone Grove Partners LP | 6,433 | $202.8K | 0.00% | +6,433 | New |
| SRS Capital Advisors, Inc. | 6,373 | $200.9K | 0.01% | +5,980+1,521.6% | Added |
| Ensign Peak Advisors, Inc | 6,366 | $200.7K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 6,338 | $199.8K | 0.00% | +705+12.5% | Added |
| Tower Research Capital LLC (TRC) | 5,716 | $180.2K | 0.00% | +2,466+75.9% | Added |
| SG Americas Securities, LLC | 5,245 | $165.0K | 0.00% | −9,509−64.5% | Reduced |
| Hantz Financial Services, Inc. | 4,718 | $149.0K | 0.00% | +1,051+28.7% | Added |
| KBC Group NV | 4,581 | $144.0K | 0.00% | +887+24.0% | Added |
| Sterling Capital Management LLC | 4,129 | $130.2K | 0.00% | −3,152−43.3% | Reduced |
| Larson Financial Group LLC | 3,939 | $124.2K | 0.00% | +3,933+65,550.0% | Added |
| Walleye Trading LLC | 3,515 | $110.8K | 0.00% | −10,360−74.7% | Reduced |
| 1620 Investment Advisors, Inc. | 3,415 | $107.7K | 0.07% | −1,163−25.4% | Reduced |
| GAMMA Investing LLC | 3,368 | $106.2K | 0.00% | +405+13.7% | Added |
| STRS Ohio | 2,944 | $92.8K | 0.00% | −4−0.1% | Reduced |
| TD Waterhouse Canada Inc. | 2,459 | $81.7K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,549 | $80.4K | 0.00% | −123−4.6% | Reduced |
| Quantbot Technologies LP | 2,430 | $76.6K | 0.00% | +2,430 | New |
| GWM Advisors LLC | 2,414 | $76.1K | 0.00% | +13+0.5% | Added |
| Advisor Group Holdings, Inc. | 2,385 | $75.2K | 0.00% | −876−26.9% | Reduced |
| Farther Finance Advisors, LLC | 2,185 | $72.8K | 0.00% | +43+2.0% | Added |
| Eurizon Capital SGR S.p.A. | 2,523 | $70.7K | 0.00% | +2,523 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,182 | $68.8K | 0.00% | +2,182 | New |
| US Bancorp | 2,063 | $65.0K | 0.00% | +58+2.9% | Added |
| SBI Securities Co., Ltd. | 1,827 | $57.6K | 0.00% | −474−20.6% | Reduced |
| Rakuten Securities, Inc. | 1,802 | $56.8K | 0.02% | +1,692+1,538.2% | Added |
| Umb Bank N A | 1,766 | $55.7K | 0.00% | +76+4.5% | Added |
| Federation des caisses Desjardins du Quebec | 1,646 | $51.9K | 0.00% | −530−24.4% | Reduced |
| Quent Capital, LLC | 1,346 | $42.4K | 0.00% | +349+35.0% | Added |
| Allworth Financial LP | 1,345 | $42.4K | 0.00% | +527+64.4% | Added |
| Los Angeles Capital Management LLC | 1,246 | $39.3K | 0.00% | +630+102.3% | Added |
| Quadrant Capital Group LLC | 1,097 | $34.6K | 0.00% | +444+68.0% | Added |
| Parallel Advisors, LLC | 1,008 | $31.8K | 0.00% | +302+42.8% | Added |
| Exchange Traded Concepts, LLC | 910 | $28.7K | 0.00% | +910 | New |
| CoreCap Advisors, LLC | 900 | $28.4K | 0.00% | 00.0% | Unchanged |
| Hurley Capital, LLC | 756 | $23.8K | 0.01% | +153+25.4% | Added |
| Signaturefd, LLC | 694 | $21.9K | 0.00% | +41+6.3% | Added |
| Kemnay Advisory Services Inc. | 634 | $20.0K | 0.00% | +634 | New |
| Rothschild Investment LLC | 578 | $18.2K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 552 | $17.4K | 0.00% | +1+0.2% | Added |
| Parkside Financial Bank & Trust | 547 | $17.2K | 0.00% | +281+105.6% | Added |
| Bessemer Group Inc | 509 | $16.0K | 0.00% | +152+42.6% | Added |
| Global X Japan Co., Ltd. | 492 | $15.5K | 0.00% | +177+56.2% | Added |
| MAI Capital Management | 429 | $13.5K | 0.00% | +359+512.9% | Added |
| Advisory Services Network, LLC | 394 | $12.4K | 0.00% | +394 | New |
| Activest Wealth Management | 385 | $12.1K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 319 | $10.0K | 0.01% | −141−30.7% | Reduced |
| Harbour Investments, Inc. | 306 | $9.65K | 0.00% | +306 | New |
| Spire Wealth Management | 233 | $7.35K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 231 | $7.28K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 196 | $6.18K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 220 | $6.17K | 0.00% | −3−1.3% | Reduced |
| Sunbelt Securities, Inc. | 185 | $5.83K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 154 | $4.86K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 154 | $4.86K | 0.00% | +154 | New |
| Twin Peaks Wealth Advisors, LLC | 149 | $4.70K | 0.00% | +149 | New |
| Owl Creek Wealth Partners LLC | 145 | $4.57K | 0.00% | +145 | New |
| Versant Capital Management, Inc | 140 | $4.41K | 0.00% | +133+1,900.0% | Added |
| SJS Investment Consulting Inc. | 137 | $4.32K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 125 | $3.94K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 123 | $3.88K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 109 | $3.44K | 0.00% | +109 | New |
| Bell Investment Advisors, Inc | 101 | $3.19K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 98 | $3.09K | 0.00% | +56+133.3% | Added |
| Investors Research Corp | 93 | $2.93K | 0.00% | +93 | New |
| Farmers & Merchants Investments Inc | 85 | $2.68K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 75 | $2.46K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 62 | $1.96K | 0.00% | +5+8.8% | Added |
| Zions Bancorporation, National Association | 55 | $1.73K | 0.00% | +14+34.1% | Added |
| Atlas Capital Advisors LLC | 54 | $1.70K | 0.00% | +54 | New |
| Keating Financial Advisory Services, Inc. | 52 | $1.64K | 0.00% | +15+40.5% | Added |
| MCF Advisors LLC | 50 | $1.58K | 0.00% | +50 | New |
| Ronald Blue Trust, Inc. | 46 | $1.45K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 38 | $1.26K | 0.00% | +15+65.2% | Added |
| Kilter Group LLC | 40 | $1.26K | 0.00% | −21−34.4% | Reduced |
| Toth Financial Advisory Corp | 40 | $1.26K | 0.00% | +40 | New |
| Golden State Wealth Management, LLC | 36 | $1.14K | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 36 | $1.14K | 0.00% | +24+200.0% | Added |