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 2023
Institutional positions in IGM Biosciences, Inc. as of Sep 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
- 79
- +1 vs. Q2 2023
- Shares held
- 22.3M
- +57.9K (+0.3%) vs. Q2 2023
- Total value
- $186.3M
- −$21.3M (−10.3%) vs. Q2 2023
- New holders
- 15
- 27 more added
- Sold out
- 14
- 21 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 3,242,715 | $27.1M | 0.00% | +11,845+0.4% | Added |
| Baker Bros. Advisors LP | 3,157,764 | $26.4M | 0.15% | +5540.0% | Added |
| Redmile Group, LLC | 2,971,542 | $24.8M | 1.18% | 00.0% | Unchanged |
| Artal Group S.A. | 2,522,244 | $21.1M | 0.92% | 00.0% | Unchanged |
| FMR LLC | 2,136,972 | $17.8M | 0.00% | +1,853+0.1% | Added |
| Ra Capital Management, L.P. | 937,500 | $7.83M | 0.15% | 00.0% | Unchanged |
| Vanguard Group Inc | 900,007 | $7.52M | 0.00% | +202,719+29.1% | Added |
| BlackRock Inc. | 870,916 | $7.27M | 0.00% | +13,745+1.6% | Added |
| Millennium Management LLC | 768,063 | $6.41M | 0.01% | −216,600−22.0% | Reduced |
| Great Point Partners LLC | 615,317 | $5.14M | 0.97% | +115,317+23.1% | Added |
| Goldman Sachs Group Inc | 456,993 | $3.82M | 0.00% | −215,196−32.0% | Reduced |
| ExodusPoint Capital Management, LP | 453,898 | $3.79M | 0.05% | +453,898 | New |
| Geode Capital Management, LLC | 292,532 | $2.44M | 0.00% | +72,115+32.7% | Added |
| State Street Corp | 289,097 | $2.41M | 0.00% | +27,848+10.7% | Added |
| Opaleye Management Inc. | 261,000 | $2.18M | 0.72% | +197,500+311.0% | Added |
| Rhenman & Partners Asset Management AB | 200,000 | $1.67M | 0.18% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 175,008 | $1.46M | 0.01% | 00.0% | Unchanged |
| First Manhattan Co | 172,200 | $1.44M | 0.01% | +172,200 | New |
| Samsara BioCapital, LLC | 154,664 | $1.29M | 0.40% | 00.0% | Unchanged |
| Northern Trust Corp | 135,783 | $1.13M | 0.00% | +15,009+12.4% | Added |
| Gsa Capital Partners LLP | 133,276 | $1.11M | 0.10% | +26,358+24.7% | Added |
| Hudson Bay Capital Management LP | 124,260 | $1.04M | 0.01% | +124,260 | New |
| Bruce & Co., Inc. | 120,000 | $1.00M | 0.34% | +65,000+118.2% | Added |
| Charles Schwab Investment Management Inc | 99,765 | $833.0K | 0.00% | +2,472+2.5% | Added |
| Renaissance Technologies LLC | 90,900 | $759.0K | 0.00% | −85,100−48.4% | Reduced |
| TD Asset Management Inc | 83,452 | $696.8K | 0.00% | +41,726+100.0% | Added |
| Nuveen Asset Management, LLC | 79,187 | $661.2K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 75,914 | $633.9K | 0.00% | −99,672−56.8% | Reduced |
| Woodline Partners LP | 75,000 | $626.3K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 73,794 | $616.2K | 0.00% | −26,142−26.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 56,237 | $469.6K | 0.00% | −81,338−59.1% | Reduced |
| Bank of New York Mellon Corp | 52,068 | $434.8K | 0.00% | −20,120−27.9% | Reduced |
| Manufacturers Life Insurance Company, The | 48,942 | $408.7K | 0.00% | 00.0% | Unchanged |
| Eagle Bay Advisors LLC | 44,635 | $372.7K | 0.17% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 40,173 | $335.4K | 0.00% | −12,080−23.1% | Reduced |
| Prelude Capital Management, LLC | 37,221 | $310.8K | 0.03% | +17,546+89.2% | Added |
| Putnam Investments LLC | 36,474 | $304.6K | 0.00% | +7,298+25.0% | Added |
| Alliancebernstein L.P. | 35,360 | $295.3K | 0.00% | +2,590+7.9% | Added |
| Swiss National Bank | 28,600 | $238.8K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 27,113 | $226.4K | 0.01% | −22,887−45.8% | Reduced |
| Citadel Advisors LLC | 18,852 | $157.4K | 0.00% | −6,302−25.1% | Reduced |
| Rhumbline Advisers | 18,696 | $156.1K | 0.00% | −2,154−10.3% | Reduced |
| Bank of America Corp | 15,480 | $129.3K | 0.00% | −1,127−6.8% | Reduced |
| Tudor Investment Corp Et Al | 14,486 | $121.0K | 0.00% | +3,145+27.7% | Added |
| JPMorgan Chase & Co | 14,275 | $119.2K | 0.00% | +3,331+30.4% | Added |
| Legal & General Group Plc | 14,223 | $118.8K | 0.00% | +2,732+23.8% | Added |
| Exchange Traded Concepts, LLC | 14,218 | $118.7K | 0.00% | +418+3.0% | Added |
| California State Teachers Retirement System | 14,182 | $118.4K | 0.00% | −1,365−8.8% | Reduced |
| Pale Fire Capital SE | 12,601 | $105.2K | 0.01% | +12,601 | New |
| State of Wisconsin Investment Board | 11,728 | $97.9K | 0.00% | +11,728 | New |
| XTX Topco Ltd | 11,445 | $95.6K | 0.02% | +11,445 | New |
| UBS Asset Management Americas Inc | 11,145 | $93.1K | 0.00% | −473,882−97.7% | Reduced |
| Virtus ETF Advisers LLC | 9,909 | $82.7K | 0.05% | −987−9.1% | Reduced |
| Barclays PLC | 7,337 | $61.3K | 0.00% | −232−3.1% | Reduced |
| UBS Group AG | 7,001 | $58.5K | 0.00% | −955−12.0% | Reduced |
| New York State Common Retirement Fund | 6,527 | $54.5K | 0.00% | +54+0.8% | Added |
| Royal Bank of Canada | 6,203 | $52.0K | 0.00% | +758+13.9% | Added |
| Lazard Asset Management LLC | 6,303 | $52.0K | 0.00% | +3,409+117.8% | Added |
| DekaBank Deutsche Girozentrale | 6,303 | $50.0K | 0.00% | +6,303 | New |
| American International Group, Inc. | 5,954 | $49.7K | 0.00% | +212+3.7% | Added |
| Wells Fargo & Company | 3,101 | $25.9K | 0.00% | −1,547−33.3% | Reduced |
| Tower Research Capital LLC (TRC) | 2,898 | $24.2K | 0.00% | +382+15.2% | Added |
| Quantbot Technologies LP | 1,800 | $15.0K | 0.00% | +1,800 | New |
| Amalgamated Bank | 1,093 | $9.00K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 936 | $7.82K | 0.00% | +936 | New |
| China Universal Asset Management Co., Ltd. | 837 | $6.99K | 0.00% | +450+116.3% | Added |
| Ameritas Investment Partners, Inc. | 627 | $5.24K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 569 | $5.00K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 437 | $3.65K | 0.00% | −3,945−90.0% | Reduced |
| Cutler Group LP | 400 | $3.00K | 0.00% | +400 | New |
| Group One Trading, L.P. | 200 | $1.67K | 0.00% | +200 | New |
| Lindbrook Capital, LLC | 150 | $1.25K | 0.00% | +150 | New |
| Daiwa Securities Group Inc. | 88 | $1.00K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 150 | $1.00K | 0.00% | +150 | New |
| Russell Investments Group, Ltd. | 96 | $802 | 0.00% | +96 | New |
| Nisa Investment Advisors, LLC | 53 | $443 | 0.00% | +53 | New |
| Toronto Dominion Bank | 34 | $284 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 30 | $251 | 0.00% | −271−90.0% | Reduced |
| US Bancorp | 17 | $142 | 0.00% | −381−95.7% | Reduced |
| Walleye Capital LLC | 0 | $0 | 0.00% | −69,417−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −41,941−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −26,312−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −24,800−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −23,387−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −19,783−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −17,306−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,257−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,734−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −12,070−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −11,312−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −10,607−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −4,965−100.0% | Sold out |
| Endurance Wealth Management, Inc. | – | – | – | – | Not filed |