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, Q2 2023
Institutional positions in Allegro Microsystems, Inc. as of Jun 30, 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
- 353
- +40 vs. Q1 2023
- Shares held
- 97.8M
- +431.4K (+0.4%) vs. Q1 2023
- Total value
- $4.41B
- −$268.7M (−5.7%) vs. Q1 2023
- New holders
- 81
- 137 more added
- Sold out
- 41
- 97 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oep Capital Advisors, L.P. | 17,649,247 | $796.7M | 82.57% | 00.0% | Unchanged |
| FMR LLC | 8,112,803 | $366.2M | 0.03% | +54,732+0.7% | Added |
| Vanguard Group Inc | 7,006,124 | $316.3M | 0.01% | −438,968−5.9% | Reduced |
| BlackRock Inc. | 6,004,945 | $271.1M | 0.01% | +123,151+2.1% | Added |
| Clearbridge Investments, LLC | 3,504,149 | $158.2M | 0.14% | −254,876−6.8% | Reduced |
| JPMorgan Chase & Co | 3,324,902 | $150.1M | 0.02% | +190,595+6.1% | Added |
| State Street Corp | 3,007,660 | $135.8M | 0.01% | +186,549+6.6% | Added |
| Invesco Ltd. | 2,857,839 | $129.0M | 0.03% | −1,770,558−38.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,463,824 | $111.2M | 0.18% | +62,391+2.6% | Added |
| Principal Financial Group Inc | 2,427,284 | $109.6M | 0.07% | −146,320−5.7% | Reduced |
| First Trust Advisors LP | 1,778,197 | $80.3M | 0.09% | −247,031−12.2% | Reduced |
| Artisan Partners Limited Partnership | 1,712,369 | $77.3M | 0.12% | −36,730−2.1% | Reduced |
| Millennium Management LLC | 1,677,495 | $75.7M | 0.08% | +29,754+1.8% | Added |
| Federated Hermes, Inc. | 1,484,920 | $67.0M | 0.17% | −92,243−5.8% | Reduced |
| Lord, Abbett & Co. LLC | 1,399,551 | $63.2M | 0.22% | +538,747+62.6% | Added |
| Alliancebernstein L.P. | 1,397,199 | $63.1M | 0.03% | −80,660−5.5% | Reduced |
| Morgan Stanley | 1,315,479 | $59.4M | 0.01% | +447,634+51.6% | Added |
| Macquarie Group Ltd | 1,263,055 | $57.0M | 0.07% | −517,110−29.0% | Reduced |
| Geode Capital Management, LLC | 1,135,340 | $51.2M | 0.01% | +60,699+5.6% | Added |
| Goldman Sachs Group Inc | 1,081,596 | $48.8M | 0.01% | −170,446−13.6% | Reduced |
| Massachusetts Financial Services Co | 1,069,084 | $48.3M | 0.02% | +678,544+173.7% | Added |
| Two Sigma Investments, LP | 894,189 | $40.4M | 0.11% | +649,777+265.9% | Added |
| Arrowstreet Capital, Limited Partnership | 685,378 | $30.9M | 0.04% | +438,354+177.5% | Added |
| Schroder Investment Management Group | 679,653 | $30.7M | 0.04% | +8,003+1.2% | Added |
| Manufacturers Life Insurance Company, The | 670,608 | $30.3M | 0.02% | +74,102+12.4% | Added |
| Bank of New York Mellon Corp | 637,180 | $28.8M | 0.01% | −39,774−5.9% | Reduced |
| TimesSquare Capital Management, LLC | 609,654 | $27.5M | 0.39% | +31,890+5.5% | Added |
| GW&K Investment Management, LLC | 565,168 | $25.5M | 0.24% | −35,760−6.0% | Reduced |
| Charles Schwab Investment Management Inc | 564,450 | $25.5M | 0.01% | +2,554+0.5% | Added |
| Jupiter Asset Management Ltd | 564,246 | $25.4M | 0.28% | +269,481+91.4% | Added |
| Renaissance Technologies LLC | 559,900 | $25.3M | 0.04% | +136,800+32.3% | Added |
| Voloridge Investment Management, LLC | 552,854 | $25.0M | 0.12% | +20,880+3.9% | Added |
| Cubist Systematic Strategies, LLC | 549,833 | $24.8M | 0.27% | +207,860+60.8% | Added |
| New York State Common Retirement Fund | 542,521 | $24.5M | 0.03% | −61,463−10.2% | Reduced |
| Two Sigma Advisers, LP | 535,700 | $24.2M | 0.06% | +453,000+547.8% | Added |
| Ameriprise Financial Inc | 522,092 | $23.6M | 0.01% | +40,615+8.4% | Added |
| Norges Bank | 498,675 | $22.5M | 0.00% | −156,636−23.9% | Reduced |
| Northern Trust Corp | 489,133 | $22.1M | 0.00% | −19,973−3.9% | Reduced |
| Nuveen Asset Management, LLC | 437,226 | $19.7M | 0.01% | −14,681−3.2% | Reduced |
| Loomis Sayles & Co L P | 421,233 | $19.0M | 0.03% | −12,838−3.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 406,512 | $18.3M | 0.20% | +31,386+8.4% | Added |
| Adage Capital Partners GP, L.L.C. | 381,587 | $17.2M | 0.04% | +143,348+60.2% | Added |
| AQR Capital Management LLC | 381,876 | $17.2M | 0.04% | +178,423+87.7% | Added |
| Bamco Inc | 367,795 | $16.6M | 0.05% | −80,000−17.9% | Reduced |
| Redwood Investments, LLC | 330,767 | $14.9M | 1.82% | +72,592+28.1% | Added |
| Bank of America Corp | 320,557 | $14.5M | 0.00% | −203,109−38.8% | Reduced |
| Agf Management Ltd | 320,000 | $14.4M | 0.10% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 308,717 | $13.9M | 0.00% | +100,657+48.4% | Added |
| Wells Fargo & Company | 306,630 | $13.8M | 0.00% | +142,843+87.2% | Added |
| Twin Tree Management, LP | 288,385 | $13.0M | 0.27% | −281,823−49.4% | Reduced |
| Man Group plc | 288,174 | $13.0M | 0.04% | – | – |
| S Squared Technology, LLC | 282,451 | $12.7M | 6.31% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 282,251 | $12.7M | 1.24% | −2,730−1.0% | Reduced |
| SEI Investments Co | 274,541 | $12.4M | 0.02% | −25,235−8.4% | Reduced |
| Dana Investment Advisors, Inc. | 258,261 | $11.7M | 0.57% | +19,972+8.4% | Added |
| Qube Research & Technologies Ltd | 253,646 | $11.4M | 0.04% | +231,934+1,068.2% | Added |
| Prudential Financial Inc | 250,303 | $11.3M | 0.02% | −50,548−16.8% | Reduced |
| PFS Investments Inc. | 233,791 | $10.6M | 0.17% | +14,692+6.7% | Added |
| Algert Global LLC | 229,435 | $10.4M | 0.45% | +12,953+6.0% | Added |
| Janus Henderson Group PLC | 224,560 | $10.1M | 0.01% | +193,287+618.1% | Added |
| Amundi | 223,960 | $10.1M | 0.01% | +142,320+174.3% | Added |
| Engineers Gate Manager LP | 216,185 | $9.76M | 0.37% | +89,193+70.2% | Added |
| D. E. Shaw & Co., Inc. | 205,129 | $9.26M | 0.01% | −172,183−45.6% | Reduced |
| Silvercrest Asset Management Group LLC | 202,643 | $9.15M | 0.07% | −18,126−8.2% | Reduced |
| Rhumbline Advisers | 201,697 | $9.10M | 0.01% | +4,520+2.3% | Added |
| Oberweis Asset Management Inc | 196,040 | $8.85M | 1.08% | +72,540+58.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 175,896 | $7.94M | 0.02% | +5,262+3.1% | Added |
| Swiss National Bank | 166,800 | $7.53M | 0.01% | +22,300+15.4% | Added |
| Analog Century Management LP | 152,600 | $6.89M | 1.91% | +152,600 | New |
| Trillium Asset Management, LLC | 151,499 | $6.84M | 0.19% | +2,562+1.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 149,918 | $6.77M | 0.03% | +3,290+2.2% | Added |
| Matthews International Capital Management LLC | 147,339 | $6.65M | 0.78% | +147,339 | New |
| Kennedy Capital Management, Inc. | 147,154 | $6.64M | 0.15% | −3,411−2.3% | Reduced |
| Voya Investment Management LLC | 142,162 | $6.42M | 0.01% | −14,445−9.2% | Reduced |
| Raymond James & Associates | 129,483 | $5.84M | 0.00% | +21,475+19.9% | Added |
| Jump Financial, LLC | 127,456 | $5.75M | 0.21% | +20,041+18.7% | Added |
| Citadel Advisors LLC | 125,770 | $5.68M | 0.01% | −529,170−80.8% | Reduced |
| Retirement Systems of Alabama | 125,017 | $5.64M | 0.03% | −1,060−0.8% | Reduced |
| Cinctive Capital Management LP | 120,796 | $5.45M | 0.21% | +120,796 | New |
| Trexquant Investment LP | 115,538 | $5.22M | 0.14% | −13,505−10.5% | Reduced |
| Lazard Asset Management LLC | 113,687 | $5.13M | 0.01% | +1,513+1.3% | Added |
| Navellier & Associates Inc | 113,302 | $5.11M | 1.00% | +30,412+36.7% | Added |
| Legal & General Group Plc | 110,418 | $4.98M | 0.00% | +8,738+8.6% | Added |
| State of Alaska, Department of Revenue | 110,130 | $4.97M | 0.06% | −888−0.8% | Reduced |
| UBS Asset Management Americas Inc | 100,196 | $4.81M | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 104,580 | $4.72M | 0.02% | +1,649+1.6% | Added |
| American Century Companies Inc | 100,199 | $4.52M | 0.00% | +86,473+630.0% | Added |
| American International Group, Inc. | 98,999 | $4.47M | 0.03% | −1,800−1.8% | Reduced |
| Susquehanna International Group, LLP | 98,320 | $4.44M | 0.01% | +25,699+35.4% | Added |
| State of Wisconsin Investment Board | 93,737 | $4.23M | 0.01% | +5,323+6.0% | Added |
| California State Teachers Retirement System | 89,841 | $4.06M | 0.01% | +6,210+7.4% | Added |
| Jane Street Group, LLC | 88,445 | $3.99M | 0.01% | +47,639+116.7% | Added |
| Pier Capital, LLC | 87,875 | $3.97M | 0.57% | −82,154−48.3% | Reduced |
| Royal Bank of Canada | 86,312 | $3.90M | 0.00% | +69,726+420.4% | Added |
| Zacks Investment Management | 83,437 | $3.77M | 0.05% | +36,528+77.9% | Added |
| Segall Bryant & Hamill, LLC | 82,897 | $3.74M | 0.04% | +404+0.5% | Added |
| Envestnet Asset Management Inc | 81,377 | $3.67M | 0.00% | −27,723−25.4% | Reduced |
| Tudor Investment Corp Et Al | 79,114 | $3.57M | 0.06% | +54,727+224.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,891 | $3.56M | 0.01% | −45,721−36.7% | Reduced |
| Credit Suisse AG | 76,138 | $3.44M | 0.00% | +18,719+32.6% | Added |