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 2021
Institutional positions in IGM Biosciences, Inc. as of Mar 31, 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
- 109
- No complete 13F data for Q4 2020
- Shares held
- 18.0M
- No complete 13F data for Q4 2020
- Total value
- $1.38B
- No complete 13F data for Q4 2020
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 2021
Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc..
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 687,215 | $52.7M | 0.00% | – | – |
| BlackRock Inc. | 739,045 | $56.7M | 0.00% | – | – |
| Goldman Sachs Group Inc | 740,310 | $56.8M | 0.02% | – | – |
| Ra Capital Management, L.P. | 982,723 | $75.4M | 1.14% | – | – |
| Alkeon Capital Management LLC | 1,053,552 | $80.8M | 0.31% | – | – |
| Artal Group S.A. | 1,125,000 | $86.3M | 1.83% | – | – |
| Price T Rowe Associates Inc | 1,796,311 | $137.8M | 0.01% | – | – |
| Baker Bros. Advisors LP | 3,156,102 | $242.0M | 1.05% | – | – |
| Redmile Group, LLC | 3,425,455 | $262.7M | 3.70% | – | – |