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, Q4 2024
Institutional positions in Allegro Microsystems, Inc. as of Dec 31, 2024. 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
- 256
- +10 vs. Q3 2024
- Shares held
- 142.1M
- −10.5K (0.0%) vs. Q3 2024
- Total value
- $3.11B
- −$204.4M (−6.2%) vs. Q3 2024
- New holders
- 51
- 79 more added
- Sold out
- 41
- 107 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 360,524 | $7.88M | 0.00% | −1,590,003−81.5% | Reduced |
| S Squared Technology, LLC | 367,451 | $8.03M | 3.34% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 372,491 | $8.14M | 0.10% | +372,491 | New |
| SEI Investments Co | 373,395 | $8.16M | 0.01% | −7,160−1.9% | Reduced |
| Polar Asset Management Partners Inc. | 378,704 | $8.28M | 0.12% | +121,300+47.1% | Added |
| New York State Common Retirement Fund | 392,295 | $8.58M | 0.01% | −209,384−34.8% | Reduced |
| Lazard Asset Management LLC | 404,702 | $8.85M | 0.01% | +73,439+22.2% | Added |
| Alyeska Investment Group, L.P. | 425,001 | $9.29M | 0.04% | −150,000−26.1% | Reduced |
| Schroder Investment Management Group | 441,623 | $9.53M | 0.01% | +10,155+2.4% | Added |
| Pier Capital, LLC | 442,821 | $9.68M | 1.38% | +120,326+37.3% | Added |
| Alliancebernstein L.P. | 528,173 | $11.5M | 0.00% | +341,627+183.1% | Added |
| Balyasny Asset Management LLC | 567,121 | $12.4M | 0.03% | −86,574−13.2% | Reduced |
| Silvercrest Asset Management Group LLC | 637,571 | $13.9M | 0.09% | +114,476+21.9% | Added |
| BNP Paribas Arbitrage, SA | 639,257 | $14.0M | 0.01% | +639,257 | New |
| Comerica Bank | 649,735 | $14.2M | 0.06% | +69,104+11.9% | Added |
| Raymond James Financial Inc | 692,835 | $15.1M | 0.01% | +692,835 | New |
| Two Sigma Advisers, LP | 707,400 | $15.5M | 0.04% | +80,400+12.8% | Added |
| Walleye Capital LLC | 715,443 | $15.6M | 0.15% | +711,807+19,576.7% | Added |
| Talos Asset Management LP | 743,144 | $16.2M | 3.84% | +743,144 | New |
| First Trust Advisors LP | 798,051 | $17.4M | 0.02% | −258,637−24.5% | Reduced |
| Kettle Hill Capital Management, LLC | 823,001 | $18.0M | 3.91% | +823,001 | New |
| Loomis Sayles & Co L P | 873,467 | $19.1M | 0.02% | +89,356+11.4% | Added |
| Summit Partners Public Asset Management, LLC | 894,000 | $19.5M | 0.65% | +894,000 | New |
| GW&K Investment Management, LLC | 1,030,322 | $22.5M | 0.19% | −53,825−5.0% | Reduced |
| Bank of New York Mellon Corp | 1,060,151 | $23.2M | 0.00% | −121,430−10.3% | Reduced |
| Massachusetts Financial Services Co | 1,072,934 | $23.5M | 0.01% | −380,070−26.2% | Reduced |
| Northern Trust Corp | 1,074,433 | $23.5M | 0.00% | +128,726+13.6% | Added |
| Charles Schwab Investment Management Inc | 1,135,347 | $24.8M | 0.00% | −230,961−16.9% | Reduced |
| Meridiem Capital Partners LP | 1,150,066 | $25.1M | 2.36% | +1,150,066 | New |
| Norges Bank | 1,231,766 | $26.9M | 0.00% | −77,300−5.9% | Reduced |
| Millennium Management LLC | 1,324,953 | $29.0M | 0.03% | +651,883+96.9% | Added |
| UBS Group AG | 1,341,700 | $29.3M | 0.01% | +1,012,976+308.2% | Added |
| Artisan Partners Limited Partnership | 1,429,250 | $31.2M | 0.05% | −88,845−5.9% | Reduced |
| Two Sigma Investments, LP | 1,434,188 | $31.4M | 0.07% | +54,485+3.9% | Added |
| Macquarie Group Ltd | 1,478,775 | $32.3M | 0.04% | +68,505+4.9% | Added |
| Citadel Advisors LLC | 1,575,442 | $34.4M | 0.03% | +235,410+17.6% | Added |
| Schonfeld Strategic Advisors LLC | 1,620,888 | $35.4M | 0.22% | +1,620,888 | New |
| Dimensional Fund Advisors LP | 1,719,274 | $37.6M | 0.01% | +404,761+30.8% | Added |
| Woodline Partners LP | 1,833,705 | $40.1M | 0.27% | +285,573+18.4% | Added |
| Analog Century Management LP | 2,001,438 | $43.8M | 2.93% | +291,990+17.1% | Added |
| T. Rowe Price Investment Management, Inc. | 2,065,879 | $45.2M | 0.03% | +491,173+31.2% | Added |
| Invesco Ltd. | 2,088,761 | $45.7M | 0.01% | −1,166,514−35.8% | Reduced |
| Paloma Partners Management Co | 2,103,800 | $46.0M | 3.03% | +1,594,170+312.8% | Added |
| Westfield Capital Management Co LP | 2,247,672 | $49.1M | 0.21% | +233,191+11.6% | Added |
| Principal Financial Group Inc | 2,271,278 | $49.7M | 0.03% | −228,482−9.1% | Reduced |
| Geode Capital Management, LLC | 2,364,582 | $51.7M | 0.00% | −196,900−7.7% | Reduced |
| Morgan Stanley | 2,656,798 | $58.1M | 0.00% | +619,904+30.4% | Added |
| Adage Capital Partners GP, L.L.C. | 2,733,560 | $59.8M | 0.10% | +911,993+50.1% | Added |
| Clearbridge Investments, LLC | 3,384,997 | $74.0M | 0.06% | −547,074−13.9% | Reduced |
| Wellington Management Group LLP | 3,993,682 | $87.3M | 0.02% | +934,048+30.5% | Added |
| Capital Research Global Investors | 5,768,208 | $126.1M | 0.03% | +353,776+6.5% | Added |
| State Street Corp | 5,877,482 | $128.5M | 0.01% | +391,193+7.1% | Added |
| JPMorgan Chase & Co | 10,531,507 | $230.2M | 0.02% | −492,121−4.5% | Reduced |
| BlackRock, Inc. | 11,757,608 | $257.0M | 0.01% | −1,085,798−8.5% | Reduced |
| Vanguard Group Inc | 14,082,947 | $307.9M | 0.01% | −636,594−4.3% | Reduced |
| FMR LLC | 22,774,491 | $497.9M | 0.03% | −5,479,320−19.4% | Reduced |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Penn Capital Management Co Inc | 0 | $0 | 0.00% | −271,358−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −223,183−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −81,095−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −72,206−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −67,927−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −61,330−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −54,892−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −48,554−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −34,158−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −23,863−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −22,783−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −22,152−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −22,032−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −19,589−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −18,500−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −15,761−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −12,899−100.0% | Sold out |
| RSM US Wealth Management LLC | 0 | $0 | 0.00% | −11,894−100.0% | Sold out |
| Prosperity Financial Group, Inc. | 0 | $0 | 0.00% | −10,657−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −9,900−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −9,679−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −9,191−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,802−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −5,531−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −2,090−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −510−100.0% | Sold out |
| Jaffetilchin Investment Partners, LLC | 0 | $0 | 0.00% | −275−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −182−100.0% | Sold out |
| Householder Group Estate & Retirement Specialist, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −147−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Creekmur Asset Management LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Claris Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Scout Investments, Inc. | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |