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 2023
Institutional positions in Allegro Microsystems, Inc. as of Mar 31, 2023. 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
- 314
- +98 vs. Q4 2022
- Shares held
- 97.4M
- +1.05M (+1.1%) vs. Q4 2022
- Total value
- $4.67B
- +$1.78B (+61.7%) vs. Q4 2022
- New holders
- 119
- 84 more added
- Sold out
- 21
- 82 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Millennium Management LLC | 1,647,741 | $79.1M | 0.09% | +436,003+36.0% | Added |
| Artisan Partners Limited Partnership | 1,749,099 | $83.9M | 0.14% | −40,136−2.2% | Reduced |
| Macquarie Group Ltd | 1,780,165 | $85.4M | 0.10% | −212,999−10.7% | Reduced |
| First Trust Advisors LP | 2,025,228 | $97.2M | 0.11% | +284,730+16.4% | Added |
| Allspring Global Investments Holdings, LLC | 2,401,433 | $115.2M | 0.19% | −889,761−27.0% | Reduced |
| Principal Financial Group Inc | 2,573,604 | $123.5M | 0.09% | −162,107−5.9% | Reduced |
| State Street Corp | 2,821,111 | $135.4M | 0.01% | −71,326−2.5% | Reduced |
| JPMorgan Chase & Co | 3,134,307 | $150.4M | 0.02% | +93,540+3.1% | Added |
| Clearbridge Investments, LLC | 3,759,025 | $180.4M | 0.17% | −193,345−4.9% | Reduced |
| Invesco Ltd. | 4,628,397 | $222.1M | 0.06% | +721,445+18.5% | Added |
| BlackRock Inc. | 5,881,794 | $282.3M | 0.01% | −65,072−1.1% | Reduced |
| Vanguard Group Inc | 7,445,092 | $357.3M | 0.01% | +896,771+13.7% | Added |
| FMR LLC | 8,058,071 | $386.7M | 0.04% | +2,436,308+43.3% | Added |
| Oep Capital Advisors, L.P. | 17,649,247 | $847.0M | 83.14% | −4,980,000−22.0% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −1,237,089−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −725,303−100.0% | Sold out |
| Mesirow Institutional Investment Management, Inc. | 0 | $0 | 0.00% | −258,537−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −15,555−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −15,534−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −14,682−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −13,715−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −11,167−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −10,992−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −8,214−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −7,285−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −6,903−100.0% | Sold out |
| Shell Asset Management Co | 0 | $0 | 0.00% | −5,584−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −3,485−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −2,393−100.0% | Sold out |
| Vigilant Capital Management, LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −254−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Zions Bancorporation, N.A. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |
| Alpha Paradigm Partners, LLC | – | – | – | – | Not filed |
| CoreCap Advisors, LLC | – | – | – | – | Not filed |