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 2023
Institutional positions in Allegro Microsystems, Inc. as of Mar 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
- 314
- +98 vs. Q4 2022
- Shares held
- 97.4M
- +1.05M (+1.1%) vs. Q4 2022
- Total value
- $4.67B
- +$1.78B (+61.7%) vs. Q4 2022
- New holders
- 119
- 84 more added
- Sold out
- 21
- 82 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oep Capital Advisors, L.P. | 17,649,247 | $847.0M | 83.14% | −4,980,000−22.0% | Reduced |
| FMR LLC | 8,058,071 | $386.7M | 0.04% | +2,436,308+43.3% | Added |
| Vanguard Group Inc | 7,445,092 | $357.3M | 0.01% | +896,771+13.7% | Added |
| BlackRock Inc. | 5,881,794 | $282.3M | 0.01% | −65,072−1.1% | Reduced |
| Invesco Ltd. | 4,628,397 | $222.1M | 0.06% | +721,445+18.5% | Added |
| Clearbridge Investments, LLC | 3,759,025 | $180.4M | 0.17% | −193,345−4.9% | Reduced |
| JPMorgan Chase & Co | 3,134,307 | $150.4M | 0.02% | +93,540+3.1% | Added |
| State Street Corp | 2,821,111 | $135.4M | 0.01% | −71,326−2.5% | Reduced |
| Principal Financial Group Inc | 2,573,604 | $123.5M | 0.09% | −162,107−5.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,401,433 | $115.2M | 0.19% | −889,761−27.0% | Reduced |
| First Trust Advisors LP | 2,025,228 | $97.2M | 0.11% | +284,730+16.4% | Added |
| Macquarie Group Ltd | 1,780,165 | $85.4M | 0.10% | −212,999−10.7% | Reduced |
| Artisan Partners Limited Partnership | 1,749,099 | $83.9M | 0.14% | −40,136−2.2% | Reduced |
| Millennium Management LLC | 1,647,741 | $79.1M | 0.09% | +436,003+36.0% | Added |
| Federated Hermes, Inc. | 1,577,163 | $75.7M | 0.19% | +116,352+8.0% | Added |
| Alliancebernstein L.P. | 1,477,859 | $70.9M | 0.03% | −1,315,819−47.1% | Reduced |
| Goldman Sachs Group Inc | 1,252,042 | $60.1M | 0.02% | −199,609−13.8% | Reduced |
| Geode Capital Management, LLC | 1,074,641 | $51.6M | 0.01% | −79,501−6.9% | Reduced |
| Morgan Stanley | 867,845 | $41.6M | 0.00% | +250,170+40.5% | Added |
| Lord, Abbett & Co. LLC | 860,804 | $41.3M | 0.15% | +860,804 | New |
| Bank of New York Mellon Corp | 676,954 | $32.5M | 0.01% | −37,628−5.3% | Reduced |
| Schroder Investment Management Group | 671,650 | $32.2M | 0.05% | −772,933−53.5% | Reduced |
| Norges Bank | 655,311 | $31.4M | 0.01% | +16,611+2.6% | Added |
| Citadel Advisors LLC | 654,940 | $31.4M | 0.03% | +504,633+335.7% | Added |
| New York State Common Retirement Fund | 603,984 | $29.0M | 0.04% | −32,153−5.1% | Reduced |
| GW&K Investment Management, LLC | 600,928 | $28.8M | 0.28% | +418,853+230.0% | Added |
| Manufacturers Life Insurance Company, The | 596,506 | $28.6M | 0.02% | +541,311+980.7% | Added |
| TimesSquare Capital Management, LLC | 577,764 | $27.7M | 0.41% | −674,836−53.9% | Reduced |
| Twin Tree Management, LP | 570,208 | $27.4M | 0.77% | +518,707+1,007.2% | Added |
| Charles Schwab Investment Management Inc | 561,896 | $27.0M | 0.01% | +644+0.1% | Added |
| Voloridge Investment Management, LLC | 531,974 | $25.5M | 0.13% | +531,974 | New |
| Bank of America Corp | 523,666 | $25.1M | 0.00% | +233,850+80.7% | Added |
| Northern Trust Corp | 509,106 | $24.4M | 0.00% | +32,147+6.7% | Added |
| Ameriprise Financial Inc | 481,477 | $23.1M | 0.01% | +178,004+58.7% | Added |
| Driehaus Capital Management LLC | 475,386 | $22.8M | 0.32% | +8,357+1.8% | Added |
| Nuveen Asset Management, LLC | 451,907 | $21.7M | 0.01% | −14,276−3.1% | Reduced |
| Bamco Inc | 447,795 | $21.5M | 0.06% | −331,000−42.5% | Reduced |
| Loomis Sayles & Co L P | 434,071 | $20.8M | 0.04% | +434,071 | New |
| Renaissance Technologies LLC | 423,100 | $20.3M | 0.03% | +213,300+101.7% | Added |
| Massachusetts Financial Services Co | 390,540 | $18.7M | 0.01% | +390,540 | New |
| D. E. Shaw & Co., Inc. | 377,312 | $18.1M | 0.03% | +103,065+37.6% | Added |
| ArrowMark Colorado Holdings LLC | 375,126 | $18.0M | 0.20% | −222,073−37.2% | Reduced |
| KCL Capital, L.P. | 350,000 | $16.8M | 2.69% | +150,000+75.0% | Added |
| Cubist Systematic Strategies, LLC | 341,973 | $16.4M | 0.15% | +322,605+1,665.7% | Added |
| Agf Management Ltd | 320,000 | $15.4M | 0.11% | +110,000+52.4% | Added |
| Prudential Financial Inc | 300,851 | $14.4M | 0.02% | +261,148+657.8% | Added |
| SEI Investments Co | 299,776 | $14.4M | 0.03% | +145,583+94.4% | Added |
| Jupiter Asset Management Ltd | 294,765 | $14.1M | 0.20% | +294,765 | New |
| Penn Capital Management Co Inc | 284,981 | $13.7M | 1.38% | −165,508−36.7% | Reduced |
| S Squared Technology, LLC | 282,451 | $13.6M | 8.05% | −20,000−6.6% | Reduced |
| Redwood Investments, LLC | 258,175 | $12.4M | 1.58% | +20,412+8.6% | Added |
| Balyasny Asset Management LLC | 249,205 | $12.0M | 0.04% | +160,291+180.3% | Added |
| Arrowstreet Capital, Limited Partnership | 247,024 | $11.9M | 0.02% | +247,024 | New |
| Point72 Asset Management, L.P. | 245,700 | $11.8M | 0.04% | +245,700 | New |
| Two Sigma Investments, LP | 244,412 | $11.7M | 0.03% | +244,412 | New |
| Dana Investment Advisors, Inc. | 238,289 | $11.4M | 0.58% | +238,289 | New |
| Adage Capital Partners GP, L.L.C. | 238,239 | $11.4M | 0.03% | −797,548−77.0% | Reduced |
| Silvercrest Asset Management Group LLC | 220,769 | $10.6M | 0.08% | −347,902−61.2% | Reduced |
| Algert Global LLC | 216,482 | $10.4M | 0.49% | −12,479−5.5% | Reduced |
| Dimensional Fund Advisors LP | 208,060 | $9.98M | 0.00% | +193,592+1,338.1% | Added |
| PFS Investments Inc. | 219,099 | $9.87M | 0.17% | +162,355+286.1% | Added |
| AQR Capital Management LLC | 203,453 | $9.67M | 0.02% | +84,817+71.5% | Added |
| Rhumbline Advisers | 197,177 | $9.46M | 0.01% | +5,873+3.1% | Added |
| Lisanti Capital Growth, LLC | 189,500 | $9.09M | 1.27% | +189,500 | New |
| Mirae Asset Global Investments Co., Ltd. | 170,634 | $8.19M | 0.02% | +170,634 | New |
| Pier Capital, LLC | 170,029 | $8.16M | 1.24% | −50,338−22.8% | Reduced |
| Wells Fargo & Company | 163,787 | $7.86M | 0.00% | +56,223+52.3% | Added |
| Voya Investment Management LLC | 156,607 | $7.52M | 0.01% | −633−0.4% | Reduced |
| Kennedy Capital Management, Inc. | 150,565 | $7.23M | 0.21% | −28,282−15.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 146,628 | $7.04M | 0.04% | −12,305−7.7% | Reduced |
| Swiss National Bank | 144,500 | $6.93M | 0.00% | −17,200−10.6% | Reduced |
| Man Group plc | – | $6.52M | 0.02% | – | – |
| Allianz Asset Management GmbH | 131,490 | $6.31M | 0.01% | −86,682−39.7% | Reduced |
| Trexquant Investment LP | 129,043 | $6.19M | 0.17% | +74,129+135.0% | Added |
| Engineers Gate Manager LP | 126,992 | $6.09M | 0.25% | +126,992 | New |
| Retirement Systems of Alabama | 126,077 | $6.05M | 0.03% | −654−0.5% | Reduced |
| ExodusPoint Capital Management, LP | 125,757 | $6.04M | 0.07% | +98,888+368.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 124,612 | $5.98M | 0.01% | 00.0% | Unchanged |
| Oberweis Asset Management Inc | 123,500 | $5.93M | 0.92% | +8,300+7.2% | Added |
| Lazard Asset Management LLC | 112,174 | $5.38M | 0.01% | −20,808−15.6% | Reduced |
| Trillium Asset Management, LLC | 148,937 | $5.34M | 0.16% | +2,810+1.9% | Added |
| State of Alaska, Department of Revenue | 111,018 | $5.33M | 0.06% | −300.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 110,397 | $5.30M | 0.03% | +22,242+25.2% | Added |
| EAM Global Investors LLC | 110,176 | $5.29M | 1.49% | +110,176 | New |
| Raymond James & Associates | 108,008 | $5.18M | 0.00% | +45,469+72.7% | Added |
| Jump Financial, LLC | 107,415 | $5.15M | 0.21% | +107,415 | New |
| Barclays PLC | 107,245 | $5.15M | 0.01% | +10,386+10.7% | Added |
| Quantbot Technologies LP | 105,518 | $5.06M | 0.36% | +105,518 | New |
| Los Angeles Capital Management LLC | 102,931 | $4.94M | 0.02% | +23,000+28.8% | Added |
| Legal & General Group Plc | 101,680 | $4.88M | 0.00% | +7,931+8.5% | Added |
| American International Group, Inc. | 100,799 | $4.84M | 0.03% | −851−0.8% | Reduced |
| UBS Asset Management Americas Inc | 100,196 | $4.81M | 0.00% | +3,783+3.9% | Added |
| Victory Capital Management Inc | 94,655 | $4.54M | 0.01% | −96,229−50.4% | Reduced |
| Graham Capital Management, L.P. | 93,011 | $4.46M | 0.16% | +81,413+702.0% | Added |
| O'Neil Global Advisors, Inc. | 91,543 | $4.39M | 2.27% | +91,543 | New |
| State of Wisconsin Investment Board | 88,414 | $4.24M | 0.01% | −12,631−12.5% | Reduced |
| California State Teachers Retirement System | 83,631 | $4.01M | 0.01% | −1,241−1.5% | Reduced |
| Navellier & Associates Inc | 82,890 | $3.98M | 0.84% | +82,890 | New |
| Two Sigma Advisers, LP | 82,700 | $3.97M | 0.01% | +82,700 | New |
| Segall Bryant & Hamill, LLC | 82,493 | $3.96M | 0.04% | −65,592−44.3% | Reduced |