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, Q1 2024
Institutional positions in Allegro Microsystems, Inc. as of Mar 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
- 277
- −9 vs. Q4 2023
- Shares held
- 104.0M
- +7.65M (+7.9%) vs. Q4 2023
- Total value
- $2.80B
- −$110.2M (−3.8%) vs. Q4 2023
- New holders
- 43
- 105 more added
- Sold out
- 52
- 93 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 17,542,774 | $473.0M | 0.03% | +7,092,478+67.9% | Added |
| Vanguard Group Inc | 8,400,064 | $226.5M | 0.00% | +999,939+13.5% | Added |
| BlackRock Inc. | 6,777,470 | $182.7M | 0.00% | +210,753+3.2% | Added |
| JPMorgan Chase & Co | 5,654,160 | $152.4M | 0.01% | +1,166,730+26.0% | Added |
| Oep Capital Advisors, L.P. | 4,299,246 | $115.9M | 42.16% | −8,350,001−66.0% | Reduced |
| Invesco Ltd. | 4,080,133 | $110.0M | 0.02% | −73,247−1.8% | Reduced |
| Clearbridge Investments, LLC | 3,731,268 | $100.6M | 0.08% | +235,335+6.7% | Added |
| Morgan Stanley | 3,514,631 | $94.8M | 0.01% | +2,374,152+208.2% | Added |
| State Street Corp | 3,505,954 | $94.5M | 0.00% | −44,245−1.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 2,767,125 | $74.6M | 0.05% | +1,080,287+64.0% | Added |
| Allspring Global Investments Holdings, LLC | 2,444,042 | $65.9M | 0.10% | −132,228−5.1% | Reduced |
| Principal Financial Group Inc | 2,179,587 | $58.8M | 0.03% | +44,641+2.1% | Added |
| Manufacturers Life Insurance Company, The | 1,862,731 | $50.2M | 0.05% | +687,310+58.5% | Added |
| Artisan Partners Limited Partnership | 1,616,084 | $43.6M | 0.06% | +44,884+2.9% | Added |
| Millennium Management LLC | 1,528,583 | $41.2M | 0.03% | +1,213,291+384.8% | Added |
| Geode Capital Management, LLC | 1,351,833 | $36.5M | 0.00% | +46,322+3.5% | Added |
| Balyasny Asset Management LLC | 1,157,328 | $31.2M | 0.08% | +1,157,328 | New |
| First Trust Advisors LP | 1,101,656 | $29.7M | 0.03% | −52,069−4.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,098,202 | $29.6M | 0.06% | +96,615+9.6% | Added |
| Amundi | 1,106,351 | $29.2M | 0.01% | +560,118+102.5% | Added |
| GW&K Investment Management, LLC | 1,056,013 | $28.5M | 0.25% | +5,805+0.6% | Added |
| 1832 Asset Management L.P. | 992,700 | $26.8M | 0.05% | +42,700+4.5% | Added |
| Massachusetts Financial Services Co | 958,800 | $25.8M | 0.01% | −118,800−11.0% | Reduced |
| Analog Century Management LP | 927,730 | $25.0M | 3.49% | +519,603+127.3% | Added |
| Goldman Sachs Group Inc | 902,359 | $24.3M | 0.01% | −76,544−7.8% | Reduced |
| Dimensional Fund Advisors LP | 884,441 | $23.8M | 0.01% | +82,024+10.2% | Added |
| Cinctive Capital Management LP | 848,343 | $22.9M | 1.18% | +848,343 | New |
| Federated Hermes, Inc. | 702,818 | $18.9M | 0.04% | −226,370−24.4% | Reduced |
| Norges Bank | 697,663 | $18.8M | 0.00% | +175,995+33.7% | Added |
| Charles Schwab Investment Management Inc | 683,745 | $18.4M | 0.00% | +31,953+4.9% | Added |
| Bank of New York Mellon Corp | 677,987 | $18.3M | 0.00% | −23,567−3.4% | Reduced |
| Bamco Inc | 668,811 | $18.0M | 0.05% | +553,016+477.6% | Added |
| New York State Common Retirement Fund | 661,713 | $17.8M | 0.02% | +101,057+18.0% | Added |
| Silvercrest Asset Management Group LLC | 632,546 | $17.1M | 0.12% | +495,935+363.0% | Added |
| Citadel Advisors LLC | 611,745 | $16.5M | 0.02% | +177,710+40.9% | Added |
| Bank of America Corp | 572,800 | $15.4M | 0.00% | +151,691+36.0% | Added |
| Schroder Investment Management Group | 559,481 | $15.1M | 0.02% | −151,005−21.3% | Reduced |
| Penn Capital Management Co Inc | 510,661 | $13.8M | 1.23% | +155,965+44.0% | Added |
| Two Sigma Investments, LP | 488,934 | $13.2M | 0.03% | +70,675+16.9% | Added |
| Northern Trust Corp | 458,483 | $12.4M | 0.00% | −63,283−12.1% | Reduced |
| Nuveen Asset Management, LLC | 451,944 | $12.2M | 0.00% | −1,266−0.3% | Reduced |
| Janus Henderson Group PLC | 414,427 | $11.2M | 0.01% | +187,808+82.9% | Added |
| Ameriprise Financial Inc | 392,097 | $10.6M | 0.00% | +93,875+31.5% | Added |
| Two Sigma Advisers, LP | 371,800 | $10.0M | 0.02% | −6,900−1.8% | Reduced |
| TimesSquare Capital Management, LLC | 360,027 | $9.71M | 0.14% | −3,373−0.9% | Reduced |
| Qube Research & Technologies Ltd | 358,785 | $9.67M | 0.02% | −365,114−50.4% | Reduced |
| Deutsche Bank AG | 355,319 | $9.58M | 0.00% | +350,242+6,898.6% | Added |
| Twinbeech Capital LP | 352,213 | $9.50M | 0.20% | +118,604+50.8% | Added |
| Kodai Capital Management LP | 334,837 | $9.03M | 0.21% | +194,435+138.5% | Added |
| S Squared Technology, LLC | 317,451 | $8.56M | 3.93% | +10,000+3.3% | Added |
| Wells Fargo & Company | 312,984 | $8.44M | 0.00% | +79,041+33.8% | Added |
| Zimmer Partners, LP | 311,520 | $8.40M | 0.18% | +311,520 | New |
| Kennedy Capital Management, Inc. | 295,118 | $7.96M | 0.16% | −11,703−3.8% | Reduced |
| ExodusPoint Capital Management, LP | 285,046 | $7.68M | 0.10% | −46,077−13.9% | Reduced |
| Trillium Asset Management, LLC | 265,693 | $7.16M | 0.18% | +4,930+1.9% | Added |
| UBS Group AG | 247,924 | $6.68M | 0.00% | +246,839+22,750.1% | Added |
| Oberweis Asset Management Inc | 221,280 | $5.97M | 0.43% | −36,700−14.2% | Reduced |
| Allianz Asset Management GmbH | 209,931 | $5.66M | 0.01% | −34,888−14.3% | Reduced |
| Rhumbline Advisers | 207,148 | $5.58M | 0.01% | −7,965−3.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 204,784 | $5.52M | 0.02% | +26,262+14.7% | Added |
| Royal Bank of Canada | 204,397 | $5.51M | 0.00% | +184,213+912.7% | Added |
| ArrowMark Colorado Holdings LLC | 200,782 | $5.41M | 0.06% | −384,259−65.7% | Reduced |
| Granite Investment Partners, LLC | 198,952 | $5.36M | 0.20% | +198,952 | New |
| Schonfeld Strategic Advisors LLC | 194,890 | $5.25M | 0.04% | +98,390+102.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 189,369 | $5.11M | 0.01% | +33,422+21.4% | Added |
| Holocene Advisors, LP | 169,332 | $4.57M | 0.02% | +169,332 | New |
| Lazard Asset Management LLC | 164,148 | $4.42M | 0.01% | +31,988+24.2% | Added |
| SEI Investments Co | 160,814 | $4.34M | 0.01% | −3,586−2.2% | Reduced |
| State of Wisconsin Investment Board | 158,587 | $4.28M | 0.01% | −14,985−8.6% | Reduced |
| Granahan Investment Management Inc | 155,980 | $4.21M | 0.15% | +155,980 | New |
| Swiss National Bank | 151,600 | $4.09M | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 148,268 | $4.00M | 0.01% | −9,458−6.0% | Reduced |
| Macquarie Group Ltd | 144,958 | $3.91M | 0.00% | −966,365−87.0% | Reduced |
| Engineers Gate Manager LP | 138,960 | $3.75M | 0.10% | −118,396−46.0% | Reduced |
| UBS Asset Management Americas Inc | 131,863 | $3.56M | 0.00% | +7,361+5.9% | Added |
| Retirement Systems of Alabama | 130,731 | $3.52M | 0.01% | +537+0.4% | Added |
| Legal & General Group Plc | 116,229 | $3.13M | 0.00% | +1,259+1.1% | Added |
| Man Group plc | 110,511 | $2.98M | 0.01% | −12,899−10.5% | Reduced |
| State of Alaska, Department of Revenue | 109,740 | $2.96M | 0.03% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 108,479 | $2.92M | 0.00% | −782,495−87.8% | Reduced |
| Quantinno Capital Management LP | 108,148 | $2.92M | 0.06% | +89,855+491.2% | Added |
| Atom Investors LP | 108,038 | $2.91M | 0.37% | −34,294−24.1% | Reduced |
| Robbins Farley LLC | 104,384 | $2.81M | 1.55% | +45,378+76.9% | Added |
| Squarepoint Ops LLC | 102,338 | $2.76M | 0.01% | +94,602+1,222.9% | Added |
| American International Group, Inc. | 95,250 | $2.57M | 0.01% | −1,629−1.7% | Reduced |
| Envestnet Asset Management Inc | 95,068 | $2.56M | 0.00% | +33,039+53.3% | Added |
| AQR Capital Management LLC | 93,700 | $2.53M | 0.00% | −257,053−73.3% | Reduced |
| State of New Jersey Common Pension Fund D | 91,566 | $2.47M | 0.01% | 00.0% | Unchanged |
| Redwood Investments, LLC | 88,919 | $2.36M | 0.69% | −17,622−16.5% | Reduced |
| Walleye Capital LLC | 82,308 | $2.22M | 0.02% | +53,287+183.6% | Added |
| Raymond James & Associates | 80,174 | $2.16M | 0.00% | +21,864+37.5% | Added |
| Credit Suisse AG | 79,796 | $2.15M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 78,398 | $2.11M | 0.00% | +11,436+17.1% | Added |
| Voloridge Investment Management, LLC | 77,669 | $2.09M | 0.01% | −188,255−70.8% | Reduced |
| California State Teachers Retirement System | 77,639 | $2.09M | 0.00% | −3,842−4.7% | Reduced |
| Kornitzer Capital Management Inc | 75,000 | $2.02M | 0.04% | +75,000 | New |
| Jane Street Group, LLC | 74,918 | $2.02M | 0.00% | −50,604−40.3% | Reduced |
| Citigroup Inc | 69,036 | $1.86M | 0.00% | −11,160−13.9% | Reduced |
| Texas Permanent School Fund | 62,538 | $1.69M | 0.01% | +1,019+1.7% | Added |
| Alyeska Investment Group, L.P. | 60,000 | $1.62M | 0.01% | +60,000 | New |