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 |
|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. | 27 | $0 | 0.00% | +27 | New |
| Anchor Investment Management, LLC | 29 | $927 | 0.00% | +29 | 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 |
| Cahill Financial Advisors Inc | 54 | $2.00K | 0.00% | +54 | New |
| Parallel Advisors, LLC | 70 | $2.00K | 0.00% | +70 | New |
| 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 |
| Quadrant Capital Group LLC | 112 | $4.00K | 0.00% | +101+918.2% | Added |
| The PNC Financial Services Group, Inc. | 384 | $12.0K | 0.00% | −4−1.0% | Reduced |
| Ellevest, Inc. | 395 | $13.0K | 0.00% | +65+19.7% | Added |
| Captrust Financial Advisors | 418 | $13.0K | 0.00% | +136+48.2% | Added |
| Signaturefd, LLC | 497 | $16.0K | 0.00% | +427+610.0% | Added |
| Simplex Trading, LLC | 863 | $23.0K | 0.00% | +200+30.2% | Added |
| American International Group, Inc. | 789 | $25.0K | 0.00% | −297−27.3% | Reduced |
| 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 |
| Vigilant Capital Management, LLC | 1,100 | $35.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Group One Trading, L.P. | 1,900 | $61.0K | 0.00% | +600+46.2% | Added |
| Leonteq Securities AG | 2,000 | $63.9K | 0.00% | +2,000 | New |
| Private Capital Group, LLC | 2,403 | $77.0K | 0.02% | +478+24.8% | Added |
| Metropolitan Life Insurance Co | 2,691 | $86.0K | 0.00% | −867−24.4% | Reduced |
| Exchange Traded Concepts, LLC | 2,957 | $95.0K | 0.00% | −130−4.2% | Reduced |
| Shell Asset Management Co | 3,603 | $115.0K | 0.00% | −140−3.7% | Reduced |
| Advisor Group Holdings, Inc. | 4,710 | $149.0K | 0.00% | +312+7.1% | Added |
| Deutsche Bank AG | 5,203 | $167.0K | 0.00% | −36,974−87.7% | Reduced |
| Dynamic Technology Lab Private Ltd | 6,460 | $206.0K | 0.02% | −12,694−66.3% | Reduced |
| Dark Forest Capital Management LP | 6,554 | $209.0K | 0.07% | +6,554 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 6,923 | $221.0K | 0.00% | +6,923 | New |
| FourThought Financial, LLC | 7,029 | $224.0K | 0.03% | +6,926+6,724.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,046 | $225.0K | 0.00% | +1,746+32.9% | Added |
| Amalgamated Bank | 7,288 | $233.0K | 0.00% | −2,581−26.2% | Reduced |
| Amundi | 7,328 | $234.0K | 0.00% | +7,328 | New |
| Scopus Asset Management, L.P. | 7,894 | $252.0K | 0.01% | −80,325−91.1% | Reduced |
| UBS Group AG | 7,929 | $253.0K | 0.00% | +7,884+17,520.0% | Added |
| CIBC Asset Management Inc | 7,997 | $256.0K | 0.00% | +7,997 | New |
| HSBC Holdings PLC | 8,215 | $263.0K | 0.00% | −1,137−12.2% | Reduced |
| Dimensional Fund Advisors LP | 8,410 | $269.0K | 0.00% | +8,410 | New |
| Advisory Research Inc | 8,562 | $274.0K | 0.02% | +8,562 | New |
| Marshall Wace North America L.P. | 8,815 | $281.0K | 0.00% | −72,111−89.1% | Reduced |
| ProShare Advisors LLC | 8,977 | $287.0K | 0.00% | +8,977 | New |
| M&T Bank Corp | 9,027 | $289.0K | 0.00% | −6,455−41.7% | Reduced |
| Teacher Retirement System of Texas | 9,159 | $293.0K | 0.00% | +1,845+25.2% | Added |
| Citadel Advisors LLC | 9,211 | $294.0K | 0.00% | −14,566−61.3% | Reduced |
| Oppenheimer Asset Management Inc. | 9,353 | $299.0K | 0.00% | +112+1.2% | Added |
| Royal Bank of Canada | 10,001 | $320.0K | 0.00% | −1,847−15.6% | Reduced |
| Russell Investments Group, Ltd. | 11,958 | $382.0K | 0.00% | +1,670+16.2% | Added |
| Old Mission Capital LLC | 12,335 | $394.0K | 0.02% | +12,335 | New |
| Voya Investment Management LLC | 12,684 | $405.0K | 0.00% | −3,885−23.4% | Reduced |
| Paloma Partners Management Co | 13,609 | $435.0K | 0.02% | −6,412−32.0% | Reduced |
| Handelsbanken Fonder AB | 13,700 | $438.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 13,822 | $442.0K | 0.04% | +2,276+19.7% | Added |
| Engineers Gate Manager LP | 13,935 | $445.0K | 0.03% | −71,743−83.7% | Reduced |
| Treasurer of the State of North Carolina | 14,459 | $462.0K | 0.00% | −3,421−19.1% | Reduced |
| Voloridge Investment Management, LLC | 15,157 | $484.0K | 0.00% | −188−1.2% | Reduced |
| Pathstone Family Office, LLC | 15,385 | $492.0K | 0.01% | +3,709+31.8% | Added |
| Arizona State Retirement System | 15,493 | $495.0K | 0.00% | +45+0.3% | Added |
| DuPont Capital Management Corp | 15,787 | $505.0K | 0.02% | +3,184+25.3% | Added |
| Donoghue Forlines LLC | 16,354 | $523.0K | 0.10% | +826+5.3% | Added |
| Needham Investment Management LLC | 18,000 | $575.0K | 0.08% | −26,873−59.9% | Reduced |
| Avidian Wealth Solutions, LLC | 18,000 | $575.0K | 0.04% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 18,400 | $588.0K | 0.09% | +18,400 | New |
| Susquehanna International Group, LLP | 19,774 | $632.0K | 0.00% | +19,774 | New |
| Hillsdale Investment Management Inc. | 21,800 | $697.0K | 0.05% | 00.0% | Unchanged |
| Walleye Capital LLC | 22,093 | $706.0K | 0.02% | +22,093 | New |
| Public Employees Retirement System of Ohio | 22,409 | $716.0K | 0.00% | −6,920−23.6% | Reduced |
| Two Sigma Investments, LP | 23,700 | $757.0K | 0.00% | +12,300+107.9% | Added |
| Schonfeld Strategic Advisors LLC | 24,994 | $799.0K | 0.01% | +24,994 | New |
| Seascape Capital Management | 26,020 | $832.0K | 0.43% | +26,020 | New |
| SG Americas Securities, LLC | 30,451 | $973.0K | 0.01% | +30,451 | New |
| Cna Financial Corp | 31,289 | $1.00M | 0.27% | −3,760−10.7% | Reduced |
| PFS Investments Inc. | 31,720 | $1.04M | 0.02% | +31,720 | New |
| Allstate Corp | 33,638 | $1.07M | 0.04% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 34,765 | $1.11M | 0.01% | −36,759−51.4% | Reduced |
| Man Group plc | 36,965 | $1.18M | 0.00% | +6,445+21.1% | Added |
| Quantbot Technologies LP | 37,760 | $1.21M | 0.09% | +20,513+118.9% | Added |
| Envestnet Asset Management Inc | 38,381 | $1.23M | 0.00% | +3,495+10.0% | Added |
| Raymond James & Associates | 38,602 | $1.23M | 0.00% | +1,298+3.5% | Added |
| Occudo Quantitative Strategies LP | 39,349 | $1.26M | 0.15% | −2,794−6.6% | Reduced |
| Rhumbline Advisers | 41,094 | $1.31M | 0.00% | −3,837−8.5% | Reduced |
| Legal & General Group Plc | 41,144 | $1.31M | 0.00% | +8,823+27.3% | Added |
| SEI Investments Co | 42,739 | $1.33M | 0.00% | −1,848−4.1% | Reduced |
| Credit Suisse AG | 42,649 | $1.36M | 0.00% | −72−0.2% | Reduced |
| Citigroup Inc | 43,356 | $1.39M | 0.00% | +9,611+28.5% | Added |
| New York State Common Retirement Fund | 44,300 | $1.42M | 0.00% | −10,000−18.4% | Reduced |
| Lazard Asset Management LLC | 51,309 | $1.64M | 0.00% | −26,698−34.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 51,309 | $1.64M | 0.00% | 00.0% | Unchanged |
| Aviva PLC | 54,318 | $1.74M | 0.01% | +54,318 | New |
| EAM Investors, LLC | 57,237 | $1.83M | 0.31% | +57,237 | New |
| Los Angeles Capital Management LLC | 64,370 | $2.06M | 0.01% | −35,329−35.4% | Reduced |
| Natixis | 69,487 | $2.22M | 0.01% | +69,487 | New |
| Pentwater Capital Management LP | 70,000 | $2.24M | 0.03% | −35,521−33.7% | Reduced |
| UBS Asset Management Americas Inc | 74,544 | $2.38M | 0.00% | +13,780+22.7% | Added |
| Victory Capital Management Inc | 74,896 | $2.39M | 0.00% | +65,336+683.4% | Added |
| Alps Advisors Inc | 80,180 | $2.56M | 0.02% | +80,180 | New |
| California State Teachers Retirement System | 81,558 | $2.61M | 0.00% | −7,770−8.7% | Reduced |