IGM Biosciences, Inc.
IGMSDelisted Aug 14, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001496323
IGM Biosciences, Inc. was delisted on Aug 14, 2025; its insiders filed their last Form 4 on Aug 18, 2025; 66 institutions reported holding it in 13F filings for Q2 2025, worth $17.9M in total; no superinvestor held it.
13F holders, Q3 2021
Institutional positions in IGM Biosciences, Inc. as of Sep 30, 2021. 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
- 107
- +3 vs. Q2 2021
- Shares held
- 16.9M
- +997.9K (+6.3%) vs. Q2 2021
- Total value
- $1.11B
- −$211.1M (−16.0%) vs. Q2 2021
- New holders
- 16
- 35 more added
- Sold out
- 13
- 32 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IGMS 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 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 1 | $508 |
| Q2 2025 | 66 | $17.9M |
| Q1 2025 | 79 | $20.5M |
| Q4 2024 | 85 | $132.8M |
| Q3 2024 | 72 | $356.6M |
| Q2 2024 | 82 | $152.9M |
| Q1 2024 | 87 | $220.3M |
| Q4 2023 | 72 | $182.1M |
| Q3 2023 | 79 | $186.3M |
| Q2 2023 | 79 | $207.6M |
| Q1 2023 | 75 | $245.4M |
| Q4 2022 | 82 | $305.8M |
| Q3 2022 | 93 | $402.0M |
| Q2 2022 | 89 | $315.6M |
| Q1 2022 | 93 | $487.4M |
| Q4 2021 | 87 | $517.3M |
| Q3 2021 | 107 | $1.11B |
| Q2 2021 | 105 | $1.36B |
| Q1 2021 | 109 | $1.38B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Redmile Group, LLC | 3,425,455 | $225.3M | 3.93% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 3,156,102 | $207.5M | 0.91% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 2,357,464 | $155.0M | 0.01% | +371,393+18.7% | Added |
| Artal Group S.A. | 1,350,000 | $88.8M | 2.18% | +250,000+22.7% | Added |
| Alkeon Capital Management LLC | 948,797 | $62.4M | 0.21% | −102,632−9.8% | Reduced |
| State Street Corp | 656,023 | $43.1M | 0.00% | +69,185+11.8% | Added |
| BlackRock Inc. | 640,737 | $42.1M | 0.00% | +7,936+1.3% | Added |
| Pictet Asset Management SA | 584,347 | $38.4M | 0.04% | +584,347 | New |
| Woodline Partners LP | 569,009 | $37.4M | 0.62% | −176,384−23.7% | Reduced |
| Vanguard Group Inc | 412,559 | $27.1M | 0.00% | +2,756+0.7% | Added |
| Goldman Sachs Group Inc | 406,480 | $26.7M | 0.01% | −16,403−3.9% | Reduced |
| Cormorant Asset Management, LP | 350,000 | $23.0M | 0.94% | +100,000+40.0% | Added |
| UBS Asset Management Americas Inc | 315,967 | $20.8M | 0.01% | −19,612−5.8% | Reduced |
| Ensign Peak Advisors, Inc | 195,605 | $12.9M | 0.03% | −1,373−0.7% | Reduced |
| Geode Capital Management, LLC | 153,399 | $10.1M | 0.00% | +8,390+5.8% | Added |
| FMR LLC | 89,368 | $5.88M | 0.00% | −10,000−10.1% | Reduced |
| Polar Capital Holdings Plc | 87,151 | $5.73M | 0.03% | +66,007+312.2% | Added |
| Northern Trust Corp | 80,514 | $5.29M | 0.00% | −21,740−21.3% | Reduced |
| Charles Schwab Investment Management Inc | 55,867 | $3.67M | 0.00% | +4,986+9.8% | Added |
| Bruce & Co., Inc. | 55,000 | $3.62M | 0.77% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 51,500 | $3.39M | 0.78% | +51,500 | New |
| Morgan Stanley | 45,418 | $2.99M | 0.00% | +352+0.8% | Added |
| Citadel Advisors LLC | 44,200 | $2.91M | 0.00% | +44,200 | New |
| Altium Capital Management LP | 42,473 | $2.79M | 0.75% | 00.0% | Unchanged |
| TD Asset Management Inc | 41,286 | $2.71M | 0.00% | +5,500+15.4% | Added |
| EcoR1 Capital, LLC | 38,030 | $2.50M | 0.09% | 00.0% | Unchanged |
| Eagle Bay Advisors LLC | 35,295 | $2.32M | 1.35% | +460+1.3% | Added |
| Russell Investments Group, Ltd. | 34,801 | $2.29M | 0.00% | +874+2.6% | Added |
| UBS Group AG | 34,741 | $2.28M | 0.00% | +30,739+768.1% | Added |
| Norges Bank | 34,463 | $2.27M | 0.00% | +3,530+11.4% | Added |
| Victory Capital Management Inc | 34,139 | $2.25M | 0.00% | −3,369−9.0% | Reduced |
| Susquehanna International Group, LLP | 32,985 | $2.17M | 0.00% | +24,161+273.8% | Added |
| Nuveen Asset Management, LLC | 30,956 | $2.04M | 0.00% | −8,651−21.8% | Reduced |
| Bank of New York Mellon Corp | 29,512 | $1.94M | 0.00% | −138−0.5% | Reduced |
| Rafferty Asset Management, LLC | 28,957 | $1.90M | 0.01% | +3,262+12.7% | Added |
| Royal Bank of Canada | 28,744 | $1.89M | 0.00% | +123+0.4% | Added |
| Moody Aldrich Partners LLC | 22,952 | $1.51M | 0.19% | −12,060−34.4% | Reduced |
| Jane Street Group, LLC | 21,708 | $1.43M | 0.00% | +21,708 | New |
| Raymond James & Associates | 20,467 | $1.35M | 0.00% | +39+0.2% | Added |
| Citigroup Inc | 20,325 | $1.34M | 0.00% | −20,267−49.9% | Reduced |
| Swiss National Bank | 17,000 | $1.12M | 0.00% | +400+2.4% | Added |
| D. E. Shaw & Co., Inc. | 15,685 | $1.03M | 0.00% | −11,675−42.7% | Reduced |
| Vident Investment Advisory, LLC | 15,603 | $1.03M | 0.03% | −1,114−6.7% | Reduced |
| Millennium Management LLC | 15,514 | $1.02M | 0.00% | +15,514 | New |
| HighVista Strategies LLC | 15,446 | $1.02M | 0.67% | +4,965+47.4% | Added |
| Alliancebernstein L.P. | 15,000 | $986.0K | 0.00% | −500−3.2% | Reduced |
| Allianz Asset Management GmbH | 14,325 | $942.0K | 0.00% | +2,500+21.1% | Added |
| California State Teachers Retirement System | 10,740 | $706.0K | 0.00% | −381−3.4% | Reduced |
| State of Wisconsin Investment Board | 10,100 | $664.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 9,444 | $621.0K | 0.00% | +4,444+88.9% | Added |
| Wells Fargo & Company | 8,101 | $533.0K | 0.00% | −12,235−60.2% | Reduced |
| DekaBank Deutsche Girozentrale | 8,100 | $530.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 8,056 | $530.0K | 0.00% | +361+4.7% | Added |
| Virtu Financial LLC | 7,391 | $486.0K | 0.04% | +7,391 | New |
| Dimensional Fund Advisors LP | 7,373 | $485.0K | 0.00% | −480−6.1% | Reduced |
| Group One Trading, L.P. | 6,970 | $458.0K | 0.01% | +6,970 | New |
| JPMorgan Chase & Co | 6,655 | $437.0K | 0.00% | +681+11.4% | Added |
| Erste Asset Management GmbH | 6,500 | $431.7K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 6,510 | $428.0K | 0.00% | −180−2.7% | Reduced |
| New York State Common Retirement Fund | 6,481 | $426.0K | 0.00% | −1,378−17.5% | Reduced |
| Los Angeles Capital Management LLC | 6,400 | $421.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 6,279 | $413.0K | 0.00% | +4,990+387.1% | Added |
| Cubist Systematic Strategies, LLC | 5,588 | $367.0K | 0.00% | +5,588 | New |
| Parametric Portfolio Associates LLC | 5,398 | $355.0K | 0.00% | +378+7.5% | Added |
| Gsa Capital Partners LLP | 5,405 | $355.0K | 0.04% | +509+10.4% | Added |
| Boothbay Fund Management, LLC | 5,139 | $338.0K | 0.01% | +5,139 | New |
| ExodusPoint Capital Management, LP | 5,127 | $337.0K | 0.01% | −1,666−24.5% | Reduced |
| Principal Financial Group Inc | 5,064 | $333.0K | 0.00% | −819−13.9% | Reduced |
| Deutsche Bank AG | 4,969 | $327.0K | 0.00% | −160−3.1% | Reduced |
| Manufacturers Life Insurance Company, The | 4,749 | $312.0K | 0.00% | −448−8.6% | Reduced |
| Caption Management, LLC | 4,668 | $307.0K | 0.02% | +4,668 | New |
| Invesco Ltd. | 4,582 | $301.0K | 0.00% | +418+10.0% | Added |
| American International Group, Inc. | 4,414 | $290.0K | 0.00% | −105−2.3% | Reduced |
| Credit Suisse AG | 4,308 | $283.0K | 0.00% | +85+2.0% | Added |
| Wolverine Trading, LLC | 4,160 | $276.0K | 0.01% | +4,160 | New |
| STRS Ohio | 4,000 | $263.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 3,888 | $256.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 3,647 | $240.0K | 0.00% | +626+20.7% | Added |
| US Bancorp | 3,474 | $229.0K | 0.00% | −2,375−40.6% | Reduced |
| Atom Investors LP | 3,407 | $224.0K | 0.04% | −744−17.9% | Reduced |
| Trexquant Investment LP | 3,380 | $222.0K | 0.02% | +3,380 | New |
| MetLife Investment Management | 3,333 | $219.2K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 3,303 | $217.0K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 3,280 | $216.0K | 0.00% | +435+15.3% | Added |
| Voya Investment Management LLC | 3,144 | $207.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,847 | $186.0K | 0.00% | +1,511+113.1% | Added |
| Metropolitan Life Insurance Co | 2,302 | $151.4K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 2,213 | $146.0K | 0.06% | −115−4.9% | Reduced |
| Amundi | 2,070 | $136.0K | 0.00% | +2,070 | New |
| State of Wyoming | 848 | $56.0K | 0.04% | −466−35.5% | Reduced |
| Tower Research Capital LLC (TRC) | 786 | $52.0K | 0.00% | −66−7.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 741 | $49.0K | 0.00% | +4+0.5% | Added |
| Ameritas Investment Partners, Inc. | 627 | $41.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 579 | $38.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 585 | $38.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 569 | $38.0K | 0.00% | 00.0% | Unchanged |
| Endurance Wealth Management, Inc. | 300 | $28.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 247 | $16.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 250 | $16.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 100 | $6.00K | 0.00% | −200−66.7% | Reduced |