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, Q1 2024
Institutional positions in IGM Biosciences, 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
- 87
- +15 vs. Q4 2023
- Shares held
- 22.8M
- +916.4K (+4.2%) vs. Q4 2023
- Total value
- $220.3M
- +$38.2M (+21.0%) vs. Q4 2023
- New holders
- 26
- 22 more added
- Sold out
- 11
- 22 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 4,088,322 | $39.5M | 0.49% | +397,311+10.8% | Added |
| Price T Rowe Associates Inc | 3,888,023 | $37.5M | 0.00% | +628,001+19.3% | Added |
| Artal Group S.A. | 3,080,422 | $29.7M | 0.77% | −20,000−0.6% | Reduced |
| Redmile Group, LLC | 3,072,478 | $29.6M | 1.09% | +100,936+3.4% | Added |
| FMR LLC | 1,317,341 | $12.7M | 0.00% | −381,165−22.4% | Reduced |
| Goldman Sachs Group Inc | 1,278,619 | $12.3M | 0.00% | +238,110+22.9% | Added |
| Ra Capital Management, L.P. | 937,500 | $9.05M | 0.12% | 00.0% | Unchanged |
| Vanguard Group Inc | 853,658 | $8.24M | 0.00% | −43,491−4.8% | Reduced |
| BlackRock Inc. | 757,963 | $7.31M | 0.00% | −4,507−0.6% | Reduced |
| Millennium Management LLC | 695,061 | $6.71M | 0.01% | +447,865+181.2% | Added |
| Geode Capital Management, LLC | 336,005 | $3.24M | 0.00% | +9,349+2.9% | Added |
| State Street Corp | 319,269 | $3.08M | 0.00% | +11,801+3.8% | Added |
| Rhenman & Partners Asset Management AB | 195,000 | $1.88M | 0.18% | −5,000−2.5% | Reduced |
| TD Asset Management Inc | 159,122 | $1.54M | 0.00% | +75,670+90.7% | Added |
| Samsara BioCapital, LLC | 154,664 | $1.49M | 0.23% | 00.0% | Unchanged |
| Northern Trust Corp | 137,236 | $1.32M | 0.00% | +440+0.3% | Added |
| Charles Schwab Investment Management Inc | 121,118 | $1.17M | 0.00% | +301+0.2% | Added |
| Morgan Stanley | 101,095 | $975.6K | 0.00% | +6,054+6.4% | Added |
| D. E. Shaw & Co., Inc. | 93,163 | $899.0K | 0.00% | +45,918+97.2% | Added |
| Jacobs Levy Equity Management, Inc | 78,580 | $758.3K | 0.00% | +78,580 | New |
| Woodline Partners LP | 75,000 | $723.8K | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 70,776 | $683.0K | 0.00% | +70,776 | New |
| Manufacturers Life Insurance Company, The | 70,501 | $680.3K | 0.00% | +21,559+44.1% | Added |
| Bruce & Co., Inc. | 65,000 | $627.3K | 0.21% | 00.0% | Unchanged |
| Pennant Investors, LP | 64,900 | $626.3K | 0.17% | 00.0% | Unchanged |
| Wellington Management Group LLP | 57,190 | $551.9K | 0.00% | +57,190 | New |
| Bank of New York Mellon Corp | 49,553 | $478.2K | 0.00% | −2,444−4.7% | Reduced |
| Renaissance Technologies LLC | 48,100 | $464.0K | 0.00% | +11,500+31.4% | Added |
| Eagle Bay Advisors LLC | 44,635 | $430.7K | 0.27% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 40,749 | $393.2K | 0.00% | −9,074−18.2% | Reduced |
| Dimensional Fund Advisors LP | 39,453 | $380.7K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 32,300 | $311.7K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 31,120 | $300.3K | 0.00% | −4,515−12.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 30,209 | $291.5K | 0.01% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 27,935 | $269.6K | 0.01% | +8,887+46.7% | Added |
| Susquehanna Fundamental Investments, LLC | 27,731 | $267.6K | 0.01% | +27,731 | New |
| Trexquant Investment LP | 24,177 | $233.3K | 0.00% | +24,177 | New |
| Panagora Asset Management Inc | 23,319 | $225.0K | 0.00% | −6,954−23.0% | Reduced |
| Bank of America Corp | 22,272 | $214.9K | 0.00% | −2,460−9.9% | Reduced |
| ExodusPoint Capital Management, LP | 20,323 | $196.0K | 0.00% | +20,323 | New |
| Rhumbline Advisers | 20,091 | $193.9K | 0.00% | +887+4.6% | Added |
| Walleye Capital LLC | 20,050 | $193.5K | 0.00% | +20,050 | New |
| Barclays PLC | 19,054 | $183.9K | 0.00% | −5,516−22.5% | Reduced |
| Gsa Capital Partners LLP | 18,398 | $178.0K | 0.01% | +18,398 | New |
| Two Sigma Investments, LP | 17,335 | $167.3K | 0.00% | +17,335 | New |
| American Century Companies Inc | 17,107 | $165.1K | 0.00% | +17,107 | New |
| EntryPoint Capital, LLC | 15,801 | $152.5K | 0.14% | +15,801 | New |
| Virtus ETF Advisers LLC | 13,332 | $128.7K | 0.07% | −911−6.4% | Reduced |
| UBS Group AG | 13,331 | $128.6K | 0.00% | +131+1.0% | Added |
| Citadel Advisors LLC | 13,163 | $127.0K | 0.00% | −198,345−93.8% | Reduced |
| XTX Topco Ltd | 11,941 | $115.2K | 0.02% | +11,941 | New |
| Pale Fire Capital SE | 11,601 | $112.0K | 0.02% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 10,589 | $102.2K | 0.01% | −1,288−10.8% | Reduced |
| Cerity Partners LLC | 10,513 | $101.5K | 0.00% | +10,513 | New |
| Independent Financial Group, LLC | 10,500 | $101.3K | 0.00% | +10,500 | New |
| Captrust Financial Advisors | 10,200 | $98.4K | 0.00% | +10,200 | New |
| MetLife Investment Management | 7,248 | $69.9K | 0.00% | +7,248 | New |
| Quest Partners LLC | 6,952 | $67.1K | 0.01% | +6,952 | New |
| American International Group, Inc. | 6,549 | $63.2K | 0.00% | −55−0.8% | Reduced |
| New York State Common Retirement Fund | 6,494 | $62.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 5,836 | $56.3K | 0.00% | −3,908−40.1% | Reduced |
| Deutsche Bank AG | 5,547 | $53.5K | 0.00% | −6,155−52.6% | Reduced |
| Wells Fargo & Company | 4,839 | $46.7K | 0.00% | +604+14.3% | Added |
| ADAR1 Capital Management, LLC | 4,000 | $38.6K | 0.01% | +4,000 | New |
| Nisa Investment Advisors, LLC | 3,912 | $37.8K | 0.00% | +12+0.3% | Added |
| Citigroup Inc | 2,524 | $24.4K | 0.00% | +637+33.8% | Added |
| nVerses Capital, LLC | 1,600 | $15.4K | 0.04% | +1,600 | New |
| California State Teachers Retirement System | 1,336 | $12.9K | 0.00% | −851−38.9% | Reduced |
| Ameritas Investment Partners, Inc. | 1,327 | $12.8K | 0.00% | +700+111.6% | Added |
| Legal & General Group Plc | 1,023 | $9.82K | 0.00% | −565−35.6% | Reduced |
| Quantbot Technologies LP | 800 | $7.72K | 0.00% | +800 | New |
| Metropolitan Life Insurance Co | 749 | $7.23K | 0.00% | +749 | New |
| Comerica Bank | 617 | $5.95K | 0.00% | 00.0% | Unchanged |
| Hanseatic Management Services Inc | 366 | $3.53K | 0.01% | +366 | New |
| Royal Bank of Canada | 302 | $3.00K | 0.00% | −5,411−94.7% | Reduced |
| Amalgamated Bank | 351 | $3.00K | 0.00% | −638−64.5% | Reduced |
| Tower Research Capital LLC (TRC) | 258 | $2.49K | 0.00% | −1,284−83.3% | Reduced |
| Signaturefd, LLC | 187 | $1.80K | 0.00% | +157+523.3% | Added |
| NBC Securities, Inc. | 150 | $1.00K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 76 | $733 | 0.00% | +76 | New |
| Russell Investments Group, Ltd. | 75 | $724 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 17 | $164 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 9 | $85 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 7 | $68 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 4 | $39 | 0.00% | +4 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3 | $28 | 0.00% | +3 | New |
| CWM, LLC | 1 | $0 | 0.00% | +1 | New |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −135,596−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −124,260−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −65,870−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −29,600−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −29,421−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −13,656−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −9,196−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −8,367−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,810−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −500−100.0% | Sold out |