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 2025
Institutional positions in IGM Biosciences, Inc. as of Sep 30, 2025. 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
IGMS is no longer listed, and 13F filings after Q2 2025 list far fewer holders. See Q2 2025
- Institutional holders
- 1
- −65 vs. Q2 2025
- Shares held
- 400
- −15.9M (−100.0%) vs. Q2 2025
- Total value
- $508
- −$17.9M (−100.0%) vs. Q2 2025
- New holders
- 0
- 0 more added
- Sold out
- 65
- 0 more reduced
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 400 | $508 | 0.00% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −4,096,210−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −3,255,826−100.0% | Sold out |
| Redmile Group, LLC | 0 | $0 | 0.00% | −2,952,131−100.0% | Sold out |
| Sanofi | 0 | $0 | 0.00% | −1,438,975−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −855,286−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −767,154−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −385,474−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −275,112−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −213,273−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −180,985−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −164,209−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −117,734−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −107,568−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −104,290−100.0% | Sold out |
| Eagle Bay Advisors LLC | 0 | $0 | 0.00% | −99,635−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −89,705−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −82,700−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −80,311−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −75,913−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −69,576−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −48,962−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −45,253−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −44,287−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −40,728−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −39,340−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −35,210−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −27,410−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −26,472−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −20,100−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,304−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −14,919−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −13,436−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −12,575−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −12,316−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,950−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −11,923−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −11,833−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −11,268−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −11,133−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −8,988−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −8,910−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −7,981−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −7,520−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −7,333−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −7,031−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −6,975−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −4,627−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −3,133−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −1,732−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −1,342−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,325−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −976−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −776−100.0% | Sold out |
| GF Fund Management Co. Ltd. | 0 | $0 | 0.00% | −716−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −563−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −524−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −388−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −317−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |