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 |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 87,161 | $2.64M | 0.03% | −696,975−88.9% | Reduced |
| State of New Jersey Common Pension Fund D | 91,566 | $2.77M | 0.01% | +26,639+41.0% | Added |
| Voya Investment Management LLC | 94,971 | $2.87M | 0.00% | +30.0% | Added |
| Schonfeld Strategic Advisors LLC | 96,500 | $2.92M | 0.02% | +400+0.4% | Added |
| American International Group, Inc. | 96,879 | $2.93M | 0.01% | −4,108−4.1% | Reduced |
| Renaissance Technologies LLC | 102,785 | $3.11M | 0.00% | −387,315−79.0% | Reduced |
| Algert Global LLC | 103,571 | $3.14M | 0.13% | −7,305−6.6% | Reduced |
| Redwood Investments, LLC | 106,541 | $3.22M | 0.84% | −182,984−63.2% | Reduced |
| State of Alaska, Department of Revenue | 109,740 | $3.32M | 0.04% | −825−0.7% | Reduced |
| Legal & General Group Plc | 114,970 | $3.48M | 0.00% | +983+0.9% | Added |
| Bamco Inc | 115,795 | $3.51M | 0.01% | 00.0% | Unchanged |
| Crestline Management, LP | 120,000 | $3.63M | 0.34% | +120,000 | New |
| Man Group plc | 123,410 | $3.74M | 0.01% | – | – |
| UBS Asset Management Americas Inc | 124,502 | $3.77M | 0.00% | +7,563+6.5% | Added |
| Jane Street Group, LLC | 125,522 | $3.80M | 0.00% | +52,796+72.6% | Added |
| Retirement Systems of Alabama | 130,194 | $3.94M | 0.02% | +319+0.2% | Added |
| Lazard Asset Management LLC | 132,160 | $4.00M | 0.01% | +76,338+136.8% | Added |
| Silvercrest Asset Management Group LLC | 136,611 | $4.14M | 0.03% | −417−0.3% | Reduced |
| Kodai Capital Management LP | 140,402 | $4.25M | 0.09% | +140,402 | New |
| Atom Investors LP | 142,332 | $4.31M | 0.76% | +142,332 | New |
| Twin Tree Management, LP | 147,727 | $4.47M | 0.08% | +147,727 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 157,726 | $4.58M | 0.01% | +57,316+57.1% | Added |
| Swiss National Bank | 151,600 | $4.59M | 0.00% | −17,400−10.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 155,947 | $4.72M | 0.01% | −3,505−2.2% | Reduced |
| SEI Investments Co | 164,400 | $4.98M | 0.01% | −226,744−58.0% | Reduced |
| State of Wisconsin Investment Board | 173,572 | $5.25M | 0.01% | +48,494+38.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 178,522 | $5.40M | 0.02% | +14,940+9.1% | Added |
| Point72 Asset Management, L.P. | 212,800 | $6.44M | 0.02% | +200,700+1,658.7% | Added |
| Rhumbline Advisers | 215,113 | $6.51M | 0.01% | −4,047−1.8% | Reduced |
| Janus Henderson Group PLC | 226,619 | $6.86M | 0.00% | +57,037+33.6% | Added |
| Canada Pension Plan Investment Board | 230,300 | $6.97M | 0.01% | +160,100+228.1% | Added |
| Twinbeech Capital LP | 233,609 | $7.07M | 0.11% | −208,443−47.2% | Reduced |
| Wells Fargo & Company | 233,943 | $7.08M | 0.00% | −106,600−31.3% | Reduced |
| Allianz Asset Management GmbH | 244,819 | $7.41M | 0.01% | +8,726+3.7% | Added |
| Engineers Gate Manager LP | 257,356 | $7.79M | 0.22% | +44,354+20.8% | Added |
| Oberweis Asset Management Inc | 257,980 | $7.81M | 0.73% | +32,050+14.2% | Added |
| Trillium Asset Management, LLC | 260,763 | $7.89M | 0.22% | +83,353+47.0% | Added |
| Voloridge Investment Management, LLC | 265,924 | $8.05M | 0.03% | −152,515−36.4% | Reduced |
| Ameriprise Financial Inc | 298,222 | $9.03M | 0.00% | −465,683−61.0% | Reduced |
| Kennedy Capital Management, Inc. | 306,821 | $9.29M | 0.20% | +181,335+144.5% | Added |
| S Squared Technology, LLC | 307,451 | $9.31M | 4.52% | +25,000+8.9% | Added |
| Millennium Management LLC | 315,292 | $9.54M | 0.01% | −89,883−22.2% | Reduced |
| ExodusPoint Capital Management, LP | 331,123 | $10.0M | 0.12% | +229,146+224.7% | Added |
| AQR Capital Management LLC | 350,753 | $10.6M | 0.02% | +46,043+15.1% | Added |
| Penn Capital Management Co Inc | 354,696 | $10.8M | 0.99% | −6,178−1.7% | Reduced |
| TimesSquare Capital Management, LLC | 363,400 | $11.0M | 0.16% | −383,879−51.4% | Reduced |
| SG Capital Management LLC | 371,189 | $11.2M | 3.99% | +371,189 | New |
| Two Sigma Advisers, LP | 378,700 | $11.5M | 0.03% | −17,100−4.3% | Reduced |
| Analog Century Management LP | 408,127 | $12.4M | 2.86% | +174,459+74.7% | Added |
| Two Sigma Investments, LP | 418,259 | $12.7M | 0.03% | −98,429−19.0% | Reduced |
| Bank of America Corp | 421,109 | $12.7M | 0.00% | −147,445−25.9% | Reduced |
| Citadel Advisors LLC | 434,035 | $13.1M | 0.01% | +188,222+76.6% | Added |
| Nuveen Asset Management, LLC | 453,210 | $13.7M | 0.00% | −13,139−2.8% | Reduced |
| Amundi | 546,233 | $14.8M | 0.01% | +368,395+207.2% | Added |
| Norges Bank | 521,668 | $15.8M | 0.00% | −50,739−8.9% | Reduced |
| Northern Trust Corp | 521,766 | $15.8M | 0.00% | −1,638−0.3% | Reduced |
| New York State Common Retirement Fund | 560,656 | $17.0M | 0.02% | −18,520−3.2% | Reduced |
| ArrowMark Colorado Holdings LLC | 585,041 | $17.7M | 0.20% | +79,025+15.6% | Added |
| Charles Schwab Investment Management Inc | 651,792 | $19.7M | 0.01% | +16,528+2.6% | Added |
| Bank of New York Mellon Corp | 701,554 | $21.2M | 0.00% | −87,729−11.1% | Reduced |
| Schroder Investment Management Group | 710,486 | $21.5M | 0.03% | +32,768+4.8% | Added |
| Qube Research & Technologies Ltd | 723,899 | $21.9M | 0.05% | +237,028+48.7% | Added |
| Dimensional Fund Advisors LP | 802,417 | $24.3M | 0.01% | +196,315+32.4% | Added |
| Alliancebernstein L.P. | 890,974 | $27.0M | 0.01% | −1,014,038−53.2% | Reduced |
| Federated Hermes, Inc. | 929,188 | $28.1M | 0.07% | −12,166−1.3% | Reduced |
| 1832 Asset Management L.P. | 950,000 | $28.8M | 0.05% | +950,000 | New |
| Goldman Sachs Group Inc | 978,903 | $29.6M | 0.01% | −70,275−6.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,001,587 | $30.3M | 0.06% | +540,000+117.0% | Added |
| GW&K Investment Management, LLC | 1,050,208 | $31.8M | 0.30% | +499,936+90.9% | Added |
| Massachusetts Financial Services Co | 1,077,600 | $32.6M | 0.01% | +17,969+1.7% | Added |
| Macquarie Group Ltd | 1,111,323 | $33.6M | 0.04% | −81,593−6.8% | Reduced |
| Morgan Stanley | 1,140,479 | $34.5M | 0.00% | +49,291+4.5% | Added |
| First Trust Advisors LP | 1,153,725 | $34.9M | 0.04% | −447,077−27.9% | Reduced |
| Manufacturers Life Insurance Company, The | 1,175,421 | $35.6M | 0.02% | +155,284+15.2% | Added |
| Geode Capital Management, LLC | 1,305,511 | $39.5M | 0.00% | +49,748+4.0% | Added |
| Woodline Partners LP | 1,540,555 | $46.6M | 0.51% | +1,329,836+631.1% | Added |
| Artisan Partners Limited Partnership | 1,571,200 | $47.6M | 0.07% | −76,594−4.6% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,686,838 | $51.1M | 0.03% | +1,686,838 | New |
| Principal Financial Group Inc | 2,134,946 | $64.6M | 0.04% | +7,993+0.4% | Added |
| Allspring Global Investments Holdings, LLC | 2,576,270 | $78.0M | 0.13% | −743,365−22.4% | Reduced |
| Clearbridge Investments, LLC | 3,495,933 | $105.8M | 0.09% | +2,552+0.1% | Added |
| State Street Corp | 3,550,199 | $107.5M | 0.01% | +359,698+11.3% | Added |
| Invesco Ltd. | 4,153,380 | $125.7M | 0.03% | +947,570+29.6% | Added |
| JPMorgan Chase & Co | 4,487,430 | $135.8M | 0.01% | +434,993+10.7% | Added |
| BlackRock Inc. | 6,566,717 | $198.8M | 0.01% | −3,864−0.1% | Reduced |
| Vanguard Group Inc | 7,400,125 | $224.0M | 0.00% | +38,187+0.5% | Added |
| FMR LLC | 10,450,296 | $316.3M | 0.02% | +1,215,842+13.2% | Added |
| Oep Capital Advisors, L.P. | 12,649,247 | $382.9M | 79.17% | −5,000,000−28.3% | Reduced |
| Proequities, Inc. | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −790,171−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −441,941−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −272,780−100.0% | Sold out |
| Dana Investment Advisors, Inc. | 0 | $0 | 0.00% | −244,268−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −100,921−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −100,700−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −80,697−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −80,105−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −70,427−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −63,813−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |