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 2023
Institutional positions in Allegro Microsystems, Inc. as of Dec 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
- 288
- −19 vs. Q3 2023
- Shares held
- 96.3M
- −2.01M (−2.0%) vs. Q3 2023
- Total value
- $2.91B
- −$69.3M (−2.3%) vs. Q3 2023
- New holders
- 56
- 108 more added
- Sold out
- 75
- 95 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oep Capital Advisors, L.P. | 12,649,247 | $382.9M | 79.17% | −5,000,000−28.3% | Reduced |
| FMR LLC | 10,450,296 | $316.3M | 0.02% | +1,215,842+13.2% | Added |
| Vanguard Group Inc | 7,400,125 | $224.0M | 0.00% | +38,187+0.5% | Added |
| BlackRock Inc. | 6,566,717 | $198.8M | 0.01% | −3,864−0.1% | Reduced |
| JPMorgan Chase & Co | 4,487,430 | $135.8M | 0.01% | +434,993+10.7% | Added |
| Invesco Ltd. | 4,153,380 | $125.7M | 0.03% | +947,570+29.6% | Added |
| State Street Corp | 3,550,199 | $107.5M | 0.01% | +359,698+11.3% | Added |
| Clearbridge Investments, LLC | 3,495,933 | $105.8M | 0.09% | +2,552+0.1% | Added |
| Allspring Global Investments Holdings, LLC | 2,576,270 | $78.0M | 0.13% | −743,365−22.4% | Reduced |
| Principal Financial Group Inc | 2,134,946 | $64.6M | 0.04% | +7,993+0.4% | Added |
| T. Rowe Price Investment Management, Inc. | 1,686,838 | $51.1M | 0.03% | +1,686,838 | New |
| Artisan Partners Limited Partnership | 1,571,200 | $47.6M | 0.07% | −76,594−4.6% | Reduced |
| Woodline Partners LP | 1,540,555 | $46.6M | 0.51% | +1,329,836+631.1% | Added |
| Geode Capital Management, LLC | 1,305,511 | $39.5M | 0.00% | +49,748+4.0% | Added |
| Manufacturers Life Insurance Company, The | 1,175,421 | $35.6M | 0.02% | +155,284+15.2% | Added |
| First Trust Advisors LP | 1,153,725 | $34.9M | 0.04% | −447,077−27.9% | Reduced |
| Morgan Stanley | 1,140,479 | $34.5M | 0.00% | +49,291+4.5% | Added |
| Macquarie Group Ltd | 1,111,323 | $33.6M | 0.04% | −81,593−6.8% | Reduced |
| Massachusetts Financial Services Co | 1,077,600 | $32.6M | 0.01% | +17,969+1.7% | Added |
| GW&K Investment Management, LLC | 1,050,208 | $31.8M | 0.30% | +499,936+90.9% | Added |
| Adage Capital Partners GP, L.L.C. | 1,001,587 | $30.3M | 0.06% | +540,000+117.0% | Added |
| Goldman Sachs Group Inc | 978,903 | $29.6M | 0.01% | −70,275−6.7% | Reduced |
| 1832 Asset Management L.P. | 950,000 | $28.8M | 0.05% | +950,000 | New |
| Federated Hermes, Inc. | 929,188 | $28.1M | 0.07% | −12,166−1.3% | Reduced |
| Alliancebernstein L.P. | 890,974 | $27.0M | 0.01% | −1,014,038−53.2% | Reduced |
| Dimensional Fund Advisors LP | 802,417 | $24.3M | 0.01% | +196,315+32.4% | Added |
| Qube Research & Technologies Ltd | 723,899 | $21.9M | 0.05% | +237,028+48.7% | Added |
| Schroder Investment Management Group | 710,486 | $21.5M | 0.03% | +32,768+4.8% | Added |
| Bank of New York Mellon Corp | 701,554 | $21.2M | 0.00% | −87,729−11.1% | Reduced |
| Charles Schwab Investment Management Inc | 651,792 | $19.7M | 0.01% | +16,528+2.6% | Added |
| ArrowMark Colorado Holdings LLC | 585,041 | $17.7M | 0.20% | +79,025+15.6% | Added |
| New York State Common Retirement Fund | 560,656 | $17.0M | 0.02% | −18,520−3.2% | Reduced |
| Northern Trust Corp | 521,766 | $15.8M | 0.00% | −1,638−0.3% | Reduced |
| Norges Bank | 521,668 | $15.8M | 0.00% | −50,739−8.9% | Reduced |
| Amundi | 546,233 | $14.8M | 0.01% | +368,395+207.2% | Added |
| Nuveen Asset Management, LLC | 453,210 | $13.7M | 0.00% | −13,139−2.8% | Reduced |
| Citadel Advisors LLC | 434,035 | $13.1M | 0.01% | +188,222+76.6% | Added |
| Bank of America Corp | 421,109 | $12.7M | 0.00% | −147,445−25.9% | Reduced |
| Two Sigma Investments, LP | 418,259 | $12.7M | 0.03% | −98,429−19.0% | Reduced |
| Analog Century Management LP | 408,127 | $12.4M | 2.86% | +174,459+74.7% | Added |
| Two Sigma Advisers, LP | 378,700 | $11.5M | 0.03% | −17,100−4.3% | Reduced |
| SG Capital Management LLC | 371,189 | $11.2M | 3.99% | +371,189 | New |
| TimesSquare Capital Management, LLC | 363,400 | $11.0M | 0.16% | −383,879−51.4% | Reduced |
| Penn Capital Management Co Inc | 354,696 | $10.8M | 0.99% | −6,178−1.7% | Reduced |
| AQR Capital Management LLC | 350,753 | $10.6M | 0.02% | +46,043+15.1% | Added |
| ExodusPoint Capital Management, LP | 331,123 | $10.0M | 0.12% | +229,146+224.7% | Added |
| Millennium Management LLC | 315,292 | $9.54M | 0.01% | −89,883−22.2% | Reduced |
| S Squared Technology, LLC | 307,451 | $9.31M | 4.52% | +25,000+8.9% | Added |
| Kennedy Capital Management, Inc. | 306,821 | $9.29M | 0.20% | +181,335+144.5% | Added |
| Ameriprise Financial Inc | 298,222 | $9.03M | 0.00% | −465,683−61.0% | Reduced |
| Voloridge Investment Management, LLC | 265,924 | $8.05M | 0.03% | −152,515−36.4% | Reduced |
| Trillium Asset Management, LLC | 260,763 | $7.89M | 0.22% | +83,353+47.0% | Added |
| Oberweis Asset Management Inc | 257,980 | $7.81M | 0.73% | +32,050+14.2% | Added |
| Engineers Gate Manager LP | 257,356 | $7.79M | 0.22% | +44,354+20.8% | Added |
| Allianz Asset Management GmbH | 244,819 | $7.41M | 0.01% | +8,726+3.7% | Added |
| Wells Fargo & Company | 233,943 | $7.08M | 0.00% | −106,600−31.3% | Reduced |
| Twinbeech Capital LP | 233,609 | $7.07M | 0.11% | −208,443−47.2% | Reduced |
| Canada Pension Plan Investment Board | 230,300 | $6.97M | 0.01% | +160,100+228.1% | Added |
| Janus Henderson Group PLC | 226,619 | $6.86M | 0.00% | +57,037+33.6% | Added |
| Rhumbline Advisers | 215,113 | $6.51M | 0.01% | −4,047−1.8% | Reduced |
| Point72 Asset Management, L.P. | 212,800 | $6.44M | 0.02% | +200,700+1,658.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 178,522 | $5.40M | 0.02% | +14,940+9.1% | Added |
| State of Wisconsin Investment Board | 173,572 | $5.25M | 0.01% | +48,494+38.8% | Added |
| SEI Investments Co | 164,400 | $4.98M | 0.01% | −226,744−58.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 155,947 | $4.72M | 0.01% | −3,505−2.2% | Reduced |
| Swiss National Bank | 151,600 | $4.59M | 0.00% | −17,400−10.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 157,726 | $4.58M | 0.01% | +57,316+57.1% | Added |
| Twin Tree Management, LP | 147,727 | $4.47M | 0.08% | +147,727 | New |
| Atom Investors LP | 142,332 | $4.31M | 0.76% | +142,332 | New |
| Kodai Capital Management LP | 140,402 | $4.25M | 0.09% | +140,402 | New |
| Silvercrest Asset Management Group LLC | 136,611 | $4.14M | 0.03% | −417−0.3% | Reduced |
| Lazard Asset Management LLC | 132,160 | $4.00M | 0.01% | +76,338+136.8% | Added |
| Retirement Systems of Alabama | 130,194 | $3.94M | 0.02% | +319+0.2% | Added |
| Jane Street Group, LLC | 125,522 | $3.80M | 0.00% | +52,796+72.6% | Added |
| UBS Asset Management Americas Inc | 124,502 | $3.77M | 0.00% | +7,563+6.5% | Added |
| Man Group plc | 123,410 | $3.74M | 0.01% | – | – |
| Crestline Management, LP | 120,000 | $3.63M | 0.34% | +120,000 | New |
| Bamco Inc | 115,795 | $3.51M | 0.01% | 00.0% | Unchanged |
| Legal & General Group Plc | 114,970 | $3.48M | 0.00% | +983+0.9% | Added |
| State of Alaska, Department of Revenue | 109,740 | $3.32M | 0.04% | −825−0.7% | Reduced |
| Redwood Investments, LLC | 106,541 | $3.22M | 0.84% | −182,984−63.2% | Reduced |
| Algert Global LLC | 103,571 | $3.14M | 0.13% | −7,305−6.6% | Reduced |
| Renaissance Technologies LLC | 102,785 | $3.11M | 0.00% | −387,315−79.0% | Reduced |
| American International Group, Inc. | 96,879 | $2.93M | 0.01% | −4,108−4.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 96,500 | $2.92M | 0.02% | +400+0.4% | Added |
| Voya Investment Management LLC | 94,971 | $2.87M | 0.00% | +30.0% | Added |
| State of New Jersey Common Pension Fund D | 91,566 | $2.77M | 0.01% | +26,639+41.0% | Added |
| Cubist Systematic Strategies, LLC | 87,161 | $2.64M | 0.03% | −696,975−88.9% | Reduced |
| California State Teachers Retirement System | 81,481 | $2.47M | 0.00% | −3,268−3.9% | Reduced |
| Prudential Financial Inc | 80,769 | $2.44M | 0.00% | +4,497+5.9% | Added |
| Citigroup Inc | 80,196 | $2.43M | 0.00% | +12,558+18.6% | Added |
| Credit Suisse AG | 79,796 | $2.42M | 0.00% | +1,464+1.9% | Added |
| PDT Partners, LLC | 78,794 | $2.39M | 0.26% | +31,132+65.3% | Added |
| Vontobel Holding Ltd. | 75,414 | $2.28M | 0.02% | +14,790+24.4% | Added |
| Aigen Investment Management, LP | 75,278 | $2.28M | 0.41% | +24,940+49.5% | Added |
| Barclays PLC | 66,962 | $2.03M | 0.00% | +30,480+83.5% | Added |
| Rockefeller Capital Management L.P. | 66,192 | $2.00M | 0.01% | +18,831+39.8% | Added |
| Hussman Strategic Advisors, Inc. | 63,000 | $1.91M | 0.43% | −21,000−25.0% | Reduced |
| Envestnet Asset Management Inc | 62,029 | $1.88M | 0.00% | −61,347−49.7% | Reduced |
| Texas Permanent School Fund | 61,519 | $1.86M | 0.02% | +1,068+1.8% | Added |