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 |
|---|---|---|---|---|---|
| Avion Wealth | 17 | $0 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1 | $32 | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 2 | $63 | 0.00% | 00.0% | Unchanged |
| Quaker Wealth Management, LLC | 2 | $64 | 0.00% | +2 | New |
| Dunhill Financial, LLC | 2 | $85 | 0.00% | −1−33.3% | Reduced |
| Creative Financial Designs Inc | 5 | $158 | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 5 | $158 | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 7 | $221 | 0.00% | +7 | New |
| IFP Advisors, Inc | 8 | $252 | 0.00% | −46−85.2% | Reduced |
| IMA Wealth, Inc. | 8 | $252 | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 9 | $284 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 14 | $441 | 0.00% | +14 | New |
| MV Capital Management, Inc. | 14 | $442 | 0.00% | 00.0% | Unchanged |
| Atwood & Palmer Inc | 15 | $473 | 0.00% | +15 | New |
| Principia Wealth Advisory, LLC | 17 | $536 | 0.00% | +8+88.9% | Added |
| Cromwell Holdings LLC | 19 | $599 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 23 | $725 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 15 | $746 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 26 | $819 | 0.00% | +20+333.3% | Added |
| Copia Wealth Management | 27 | $851 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 33 | $1.04K | 0.00% | +33 | New |
| Clearstead Advisors, LLC | 33 | $1.04K | 0.00% | −355−91.5% | Reduced |
| 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 |
| Kilter Group LLC | 40 | $1.26K | 0.00% | −21−34.4% | Reduced |
| Toth Financial Advisory Corp | 40 | $1.26K | 0.00% | +40 | New |
| Rossby Financial, LCC | 38 | $1.26K | 0.00% | +15+65.2% | Added |
| Ronald Blue Trust, Inc. | 46 | $1.45K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 50 | $1.58K | 0.00% | +50 | New |
| Keating Financial Advisory Services, Inc. | 52 | $1.64K | 0.00% | +15+40.5% | Added |
| Atlas Capital Advisors LLC | 54 | $1.70K | 0.00% | +54 | New |
| Zions Bancorporation, National Association | 55 | $1.73K | 0.00% | +14+34.1% | Added |
| Pinnacle Wealth Planning Services, Inc. | 62 | $1.96K | 0.00% | +5+8.8% | Added |
| Whittier Trust Co of Nevada Inc | 75 | $2.46K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 85 | $2.68K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 93 | $2.93K | 0.00% | +93 | New |
| Root Financial Partners, LLC | 98 | $3.09K | 0.00% | +56+133.3% | Added |
| Bell Investment Advisors, Inc | 101 | $3.19K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 109 | $3.44K | 0.00% | +109 | New |
| Essential Partners LLC | 123 | $3.88K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 125 | $3.94K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 137 | $4.32K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 140 | $4.41K | 0.00% | +133+1,900.0% | Added |
| Owl Creek Wealth Partners LLC | 145 | $4.57K | 0.00% | +145 | New |
| Twin Peaks Wealth Advisors, LLC | 149 | $4.70K | 0.00% | +149 | New |
| Simplex Trading, LLC | 154 | $4.86K | 0.00% | +154 | New |
| Truvestments Capital LLC | 154 | $4.86K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 185 | $5.83K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 220 | $6.17K | 0.00% | −3−1.3% | Reduced |
| Massmutual Trust Co FSB | 196 | $6.18K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 231 | $7.28K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 233 | $7.35K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 306 | $9.65K | 0.00% | +306 | New |
| Covestor Ltd | 319 | $10.0K | 0.01% | −141−30.7% | Reduced |
| Activest Wealth Management | 385 | $12.1K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 394 | $12.4K | 0.00% | +394 | New |
| MAI Capital Management | 429 | $13.5K | 0.00% | +359+512.9% | Added |
| Global X Japan Co., Ltd. | 492 | $15.5K | 0.00% | +177+56.2% | Added |
| Bessemer Group Inc | 509 | $16.0K | 0.00% | +152+42.6% | Added |
| Parkside Financial Bank & Trust | 547 | $17.2K | 0.00% | +281+105.6% | Added |
| EverSource Wealth Advisors, LLC | 552 | $17.4K | 0.00% | +1+0.2% | Added |
| Rothschild Investment LLC | 578 | $18.2K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 634 | $20.0K | 0.00% | +634 | New |
| Signaturefd, LLC | 694 | $21.9K | 0.00% | +41+6.3% | Added |
| Hurley Capital, LLC | 756 | $23.8K | 0.01% | +153+25.4% | Added |
| CoreCap Advisors, LLC | 900 | $28.4K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 910 | $28.7K | 0.00% | +910 | New |
| Parallel Advisors, LLC | 1,008 | $31.8K | 0.00% | +302+42.8% | Added |
| Quadrant Capital Group LLC | 1,097 | $34.6K | 0.00% | +444+68.0% | Added |
| Los Angeles Capital Management LLC | 1,246 | $39.3K | 0.00% | +630+102.3% | Added |
| Allworth Financial LP | 1,345 | $42.4K | 0.00% | +527+64.4% | Added |
| Quent Capital, LLC | 1,346 | $42.4K | 0.00% | +349+35.0% | Added |
| Federation des caisses Desjardins du Quebec | 1,646 | $51.9K | 0.00% | −530−24.4% | Reduced |
| Umb Bank N A | 1,766 | $55.7K | 0.00% | +76+4.5% | Added |
| Rakuten Securities, Inc. | 1,802 | $56.8K | 0.02% | +1,692+1,538.2% | Added |
| SBI Securities Co., Ltd. | 1,827 | $57.6K | 0.00% | −474−20.6% | Reduced |
| US Bancorp | 2,063 | $65.0K | 0.00% | +58+2.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,182 | $68.8K | 0.00% | +2,182 | New |
| Eurizon Capital SGR S.p.A. | 2,523 | $70.7K | 0.00% | +2,523 | New |
| Farther Finance Advisors, LLC | 2,185 | $72.8K | 0.00% | +43+2.0% | Added |
| Advisor Group Holdings, Inc. | 2,385 | $75.2K | 0.00% | −876−26.9% | Reduced |
| GWM Advisors LLC | 2,414 | $76.1K | 0.00% | +13+0.5% | Added |
| Quantbot Technologies LP | 2,430 | $76.6K | 0.00% | +2,430 | New |
| Nisa Investment Advisors, LLC | 2,549 | $80.4K | 0.00% | −123−4.6% | Reduced |
| TD Waterhouse Canada Inc. | 2,459 | $81.7K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 2,944 | $92.8K | 0.00% | −4−0.1% | Reduced |
| GAMMA Investing LLC | 3,368 | $106.2K | 0.00% | +405+13.7% | Added |
| 1620 Investment Advisors, Inc. | 3,415 | $107.7K | 0.07% | −1,163−25.4% | Reduced |
| Walleye Trading LLC | 3,515 | $110.8K | 0.00% | −10,360−74.7% | Reduced |
| Larson Financial Group LLC | 3,939 | $124.2K | 0.00% | +3,933+65,550.0% | Added |
| Sterling Capital Management LLC | 4,129 | $130.2K | 0.00% | −3,152−43.3% | Reduced |
| KBC Group NV | 4,581 | $144.0K | 0.00% | +887+24.0% | Added |
| Hantz Financial Services, Inc. | 4,718 | $149.0K | 0.00% | +1,051+28.7% | Added |
| SG Americas Securities, LLC | 5,245 | $165.0K | 0.00% | −9,509−64.5% | Reduced |
| Tower Research Capital LLC (TRC) | 5,716 | $180.2K | 0.00% | +2,466+75.9% | Added |
| Assetmark, Inc | 6,338 | $199.8K | 0.00% | +705+12.5% | Added |
| Ensign Peak Advisors, Inc | 6,366 | $200.7K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 6,373 | $200.9K | 0.01% | +5,980+1,521.6% | Added |
| Freestone Grove Partners LP | 6,433 | $202.8K | 0.00% | +6,433 | New |
| Utah Retirement Systems | 6,505 | $205.1K | 0.00% | +6,505 | New |