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, Q3 2021
Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2021. 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
- 153
- +24 vs. Q2 2021
- Shares held
- 84.7M
- +4.66M (+5.8%) vs. Q2 2021
- Total value
- $2.71B
- +$490.2M (+22.1%) vs. Q2 2021
- New holders
- 34
- 54 more added
- Sold out
- 10
- 52 more reduced
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Voya Investment Management LLC | 12,684 | $405.0K | 0.00% | −3,885−23.4% | Reduced |
| Old Mission Capital LLC | 12,335 | $394.0K | 0.02% | +12,335 | New |
| Russell Investments Group, Ltd. | 11,958 | $382.0K | 0.00% | +1,670+16.2% | Added |
| Royal Bank of Canada | 10,001 | $320.0K | 0.00% | −1,847−15.6% | Reduced |
| Oppenheimer Asset Management Inc. | 9,353 | $299.0K | 0.00% | +112+1.2% | Added |
| Citadel Advisors LLC | 9,211 | $294.0K | 0.00% | −14,566−61.3% | Reduced |
| Teacher Retirement System of Texas | 9,159 | $293.0K | 0.00% | +1,845+25.2% | Added |
| M&T Bank Corp | 9,027 | $289.0K | 0.00% | −6,455−41.7% | Reduced |
| ProShare Advisors LLC | 8,977 | $287.0K | 0.00% | +8,977 | New |
| Marshall Wace North America L.P. | 8,815 | $281.0K | 0.00% | −72,111−89.1% | Reduced |
| Advisory Research Inc | 8,562 | $274.0K | 0.02% | +8,562 | New |
| Dimensional Fund Advisors LP | 8,410 | $269.0K | 0.00% | +8,410 | New |
| HSBC Holdings PLC | 8,215 | $263.0K | 0.00% | −1,137−12.2% | Reduced |
| CIBC Asset Management Inc | 7,997 | $256.0K | 0.00% | +7,997 | New |
| UBS Group AG | 7,929 | $253.0K | 0.00% | +7,884+17,520.0% | Added |
| Scopus Asset Management, L.P. | 7,894 | $252.0K | 0.01% | −80,325−91.1% | Reduced |
| Amundi | 7,328 | $234.0K | 0.00% | +7,328 | New |
| Amalgamated Bank | 7,288 | $233.0K | 0.00% | −2,581−26.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,046 | $225.0K | 0.00% | +1,746+32.9% | Added |
| FourThought Financial, LLC | 7,029 | $224.0K | 0.03% | +6,926+6,724.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 6,923 | $221.0K | 0.00% | +6,923 | New |
| Dark Forest Capital Management LP | 6,554 | $209.0K | 0.07% | +6,554 | New |
| Dynamic Technology Lab Private Ltd | 6,460 | $206.0K | 0.02% | −12,694−66.3% | Reduced |
| Deutsche Bank AG | 5,203 | $167.0K | 0.00% | −36,974−87.7% | Reduced |
| Advisor Group Holdings, Inc. | 4,710 | $149.0K | 0.00% | +312+7.1% | Added |
| Shell Asset Management Co | 3,603 | $115.0K | 0.00% | −140−3.7% | Reduced |
| Exchange Traded Concepts, LLC | 2,957 | $95.0K | 0.00% | −130−4.2% | Reduced |
| Metropolitan Life Insurance Co | 2,691 | $86.0K | 0.00% | −867−24.4% | Reduced |
| Private Capital Group, LLC | 2,403 | $77.0K | 0.02% | +478+24.8% | Added |
| Leonteq Securities AG | 2,000 | $63.9K | 0.00% | +2,000 | New |
| Group One Trading, L.P. | 1,900 | $61.0K | 0.00% | +600+46.2% | Added |
| Tower Research Capital LLC (TRC) | 1,673 | $54.0K | 0.00% | −1,427−46.0% | Reduced |
| Advisors Asset Management, Inc. | 1,687 | $54.0K | 0.00% | +1,687 | New |
| Vigilant Capital Management, LLC | 1,100 | $35.0K | 0.00% | 00.0% | Unchanged |
| JJJ Advisors Inc. | 921 | $29.0K | 0.01% | +173+23.1% | Added |
| NN Investment Partners Holdings N.V. | 900 | $29.0K | 0.00% | +900 | New |
| American International Group, Inc. | 789 | $25.0K | 0.00% | −297−27.3% | Reduced |
| Simplex Trading, LLC | 863 | $23.0K | 0.00% | +200+30.2% | Added |
| Signaturefd, LLC | 497 | $16.0K | 0.00% | +427+610.0% | Added |
| Ellevest, Inc. | 395 | $13.0K | 0.00% | +65+19.7% | Added |
| Captrust Financial Advisors | 418 | $13.0K | 0.00% | +136+48.2% | Added |
| The PNC Financial Services Group, Inc. | 384 | $12.0K | 0.00% | −4−1.0% | Reduced |
| Quadrant Capital Group LLC | 112 | $4.00K | 0.00% | +101+918.2% | Added |
| Howe & Rusling Inc | 109 | $3.00K | 0.00% | +13+13.5% | Added |
| Meeder Asset Management Inc | 98 | $3.00K | 0.00% | +2+2.1% | Added |
| Bellevue Asset Management, LLC | 104 | $3.00K | 0.00% | +104 | New |
| Cahill Financial Advisors Inc | 54 | $2.00K | 0.00% | +54 | New |
| Parallel Advisors, LLC | 70 | $2.00K | 0.00% | +70 | New |
| US Bancorp | 42 | $1.00K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 57 | $1.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 16 | $1.00K | 0.00% | 00.0% | Unchanged |
| Anchor Investment Management, LLC | 29 | $927 | 0.00% | +29 | New |
| Rockefeller Capital Management L.P. | 27 | $0 | 0.00% | +27 | New |
| Capital Research Global Investors | 0 | $0 | 0.00% | −318,541−100.0% | Sold out |
| Zweig-DiMenna Associates LLC | 0 | $0 | 0.00% | −87,323−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −52,047−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −34,893−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −21,799−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −17,543−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −14,156−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −9,794−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −9,290−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −4,720−100.0% | Sold out |