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 |
|---|---|---|---|---|---|
| TFC Financial Management | 1 | $70 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 1 | $70 | 0.00% | +1 | New |
| Wealth Enhancement Trust Services, Inc. | 2 | $139 | 0.00% | 00.0% | Unchanged |
| ROSS\JOHNSON & Associates LLC | 2 | $139 | 0.00% | +2 | New |
| Medallion Wealth Advisors, LLC | 2 | $139 | 0.00% | +2 | New |
| Quaker Wealth Management, LLC | 2 | $140 | 0.00% | 00.0% | Unchanged |
| Dunhill Financial, LLC | 2 | $188 | 0.00% | 00.0% | Unchanged |
| IMA Wealth, Inc. | 3 | $209 | 0.00% | −5−62.5% | Reduced |
| Manchester Capital Management LLC | 3 | $209 | 0.00% | +3 | New |
| Planning Strategies Inc. | 3 | $209 | 0.00% | +3 | New |
| Buck Wealth Strategies, LLC | 4 | $278 | 0.00% | +4 | New |
| Abound Wealth Management | 4 | $279 | 0.00% | +4 | New |
| Manning & Napier Advisors LLC | 5 | $332 | 0.00% | +5 | New |
| Creative Financial Designs Inc | 5 | $348 | 0.00% | 00.0% | Unchanged |
| West Paces Advisors Inc. | 5 | $348 | 0.00% | +5 | New |
| Kayne Anderson Rudnick Investment Management LLC | 9 | $627 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 10 | $697 | 0.00% | +10 | New |
| Cornerstone Planning Group LLC | 15 | $748 | 0.00% | 00.0% | Unchanged |
| South State Corp. | 11 | $766 | 0.00% | +11 | New |
| MV Capital Management, Inc. | 13 | $906 | 0.00% | −1−7.1% | Reduced |
| Raffa Wealth Management, LLC | 14 | $975 | 0.00% | +14 | New |
| Avion Wealth | 24 | $1.00K | 0.00% | +7+41.2% | Added |
| Sachetta, LLC | 18 | $1.25K | 0.00% | +18 | New |
| Cromwell Holdings LLC | 19 | $1.32K | 0.00% | 00.0% | Unchanged |
| Principia Wealth Advisory, LLC | 20 | $1.39K | 0.00% | +3+17.6% | Added |
| Northwestern Mutual Wealth Management Co | 21 | $1.46K | 0.00% | +21 | New |
| Montag A & Associates Inc | 22 | $1.53K | 0.00% | +22 | New |
| Copia Wealth Management | 27 | $1.88K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 33 | $2.30K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 36 | $2.51K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 40 | $2.79K | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 40 | $2.79K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 40 | $2.79K | 0.00% | +40 | New |
| Clearstead Advisors, LLC | 44 | $3.06K | 0.00% | +11+33.3% | Added |
| Ronald Blue Trust, Inc. | 46 | $3.20K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 50 | $3.48K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 52 | $3.62K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 72 | $3.71K | 0.00% | −3−4.0% | Reduced |
| Atlas Capital Advisors LLC | 54 | $3.76K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 55 | $3.83K | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 59 | $4.11K | 0.00% | +23+63.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 62 | $4.32K | 0.00% | 00.0% | Unchanged |
| Mascoma Wealth Management LLC | 88 | $6.13K | 0.00% | +88 | New |
| Versant Capital Management, Inc | 89 | $6.20K | 0.00% | −51−36.4% | Reduced |
| Rossby Financial, LCC | 89 | $6.20K | 0.00% | +51+134.2% | Added |
| Private Trust Co NA | 92 | $6.41K | 0.00% | +92 | New |
| Investors Research Corp | 93 | $6.47K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 101 | $7.03K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 105 | $7.31K | 0.00% | +20+23.5% | Added |
| LRI Investments, LLC | 109 | $7.59K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 123 | $8.56K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 125 | $8.70K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 125 | $8.70K | 0.00% | +125 | New |
| Highland Investment Advisors LLC | 150 | $10.4K | 0.00% | +150 | New |
| Truvestments Capital LLC | 154 | $10.7K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 163 | $11.3K | 0.00% | +140+608.7% | Added |
| SJS Investment Consulting Inc. | 177 | $12.3K | 0.00% | +40+29.2% | Added |
| Basecamp Wealth Advisors LLC | 189 | $13.2K | 0.00% | +175+1,250.0% | Added |
| Massmutual Trust Co FSB | 196 | $13.6K | 0.00% | 00.0% | Unchanged |
| Owl Creek Wealth Partners LLC | 205 | $14.3K | 0.00% | +60+41.4% | Added |
| Smartleaf Asset Management LLC | 220 | $14.6K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 233 | $16.2K | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 241 | $16.8K | 0.00% | +236+4,720.0% | Added |
| Quarry LP | 254 | $17.7K | 0.00% | +254 | New |
| Miller Capital Partners, Inc. | 265 | $18.4K | 0.01% | +265 | New |
| Covestor Ltd | 296 | $21.0K | 0.01% | −23−7.2% | Reduced |
| V-Square Quantitative Management LLC | 305 | $21.2K | 0.00% | +305 | New |
| Huntington National Bank | 334 | $23.3K | 0.00% | +103+44.6% | Added |
| Activest Wealth Management | 385 | $26.8K | 0.01% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 386 | $26.9K | 0.00% | +360+1,384.6% | Added |
| Harbour Investments, Inc. | 407 | $28.3K | 0.00% | +101+33.0% | Added |
| Rakuten Securities, Inc. | 439 | $30.6K | 0.01% | −1,363−75.6% | Reduced |
| EverSource Wealth Advisors, LLC | 483 | $33.6K | 0.00% | −69−12.5% | Reduced |
| Continuum Advisory, LLC | 500 | $34.8K | 0.00% | +500 | New |
| Parkside Financial Bank & Trust | 547 | $38.1K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 582 | $40.5K | 0.00% | +4+0.7% | Added |
| Bessemer Group Inc | 579 | $41.0K | 0.00% | +70+13.8% | Added |
| Global X Japan Co., Ltd. | 674 | $46.9K | 0.00% | +182+37.0% | Added |
| First National Bank | 700 | $48.7K | 0.02% | +700 | New |
| Signaturefd, LLC | 707 | $49.2K | 0.00% | +13+1.9% | Added |
| Hurley Capital, LLC | 756 | $52.6K | 0.03% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 818 | $56.9K | 0.00% | −3,311−80.2% | Reduced |
| Quadrant Capital Group LLC | 890 | $62.0K | 0.00% | −207−18.9% | Reduced |
| Parallel Advisors, LLC | 964 | $67.1K | 0.00% | −44−4.4% | Reduced |
| CoreCap Advisors, LLC | 1,000 | $69.6K | 0.00% | +100+11.1% | Added |
| Harbor Investment Advisory, LLC | 1,032 | $71.8K | 0.01% | +1,032 | New |
| Quent Capital, LLC | 1,146 | $79.8K | 0.00% | −200−14.9% | Reduced |
| Quantbot Technologies LP | 1,284 | $89.4K | 0.00% | −1,146−47.2% | Reduced |
| Allworth Financial LP | 1,517 | $105.6K | 0.00% | +172+12.8% | Added |
| Exchange Traded Concepts, LLC | 1,748 | $121.7K | 0.00% | +838+92.1% | Added |
| SBI Securities Co., Ltd. | 1,754 | $122.1K | 0.00% | −73−4.0% | Reduced |
| Umb Bank N A | 1,794 | $124.9K | 0.00% | +28+1.6% | Added |
| 1620 Investment Advisors, Inc. | 1,839 | $128.0K | 0.08% | −1,576−46.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,937 | $134.9K | 0.00% | −245−11.2% | Reduced |
| NCP Inc. | 2,100 | $146.2K | 0.20% | +2,100 | New |
| TD Waterhouse Canada Inc. | 2,459 | $155.4K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 2,414 | $168.1K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 2,595 | $180.7K | 0.00% | −128,073−98.0% | Reduced |
| STRS Ohio | 2,614 | $182.0K | 0.00% | −330−11.2% | Reduced |
| US Bancorp | 2,625 | $182.8K | 0.00% | +562+27.2% | Added |