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 2025
Institutional positions in Allegro Microsystems, Inc. as of Mar 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
- 292
- +38 vs. Q4 2024
- Shares held
- 157.6M
- +15.7M (+11.1%) vs. Q4 2024
- Total value
- $3.96B
- +$859.2M (+27.7%) vs. Q4 2024
- New holders
- 70
- 105 more added
- Sold out
- 32
- 82 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −43,703−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −35,782−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −35,503−100.0% | Sold out |
| Aurora Investment Counsel | 0 | $0 | 0.00% | −31,373−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −20,564−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −19,085−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −18,192−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −17,333−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −14,691−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −14,318−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −8,524−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −3,607−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −2,172−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −1,747−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,215−100.0% | Sold out |
| Mendota Financial Group, LLC | 0 | $0 | 0.00% | −310−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −303−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Pineridge Advisors LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Parvin Asset Management, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |