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.
Q2 2021 vs. Q1 2021
How the institutions holding IGM Biosciences, Inc. changed between Q1 2021 and Q2 2021.
All holders in Q2 2021All holders in Q1 2021
| Measure | Q1 2021 | Q2 2021 | Change |
|---|---|---|---|
| Holders | 109 | 105 | −4 |
| Shares | 18.0M | 16.3M | −1.66M (−9.2%) |
| Value | $1.38B | $1.36B | −$22.1M (−1.6%) |
New holders (18)
Institutions that held IGM Biosciences, Inc. at the end of Q2 2021 but not at the end of Q1 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Bruce & Co., Inc. | 55,000 | $4.58M | 0.87% |
| Altium Capital Management LP | 42,473 | $3.53M | 0.82% |
| EcoR1 Capital, LLC | 38,030 | $3.16M | 0.12% |
| Eagle Bay Advisors LLC | 34,835 | $2.90M | 2.33% |
| Polar Capital Holdings Plc | 21,144 | $1.76M | 0.01% |
| Dimensional Fund Advisors LP | 7,853 | $653.0K | 0.00% |
| Los Angeles Capital Management LLC | 6,400 | $532.0K | 0.00% |
| Two Sigma Investments, LP | 5,000 | $416.0K | 0.00% |
| Invesco Ltd. | 4,164 | $346.0K | 0.00% |
| Blueshift Asset Management, LLC | 3,825 | $318.0K | 0.02% |
| AlphaCrest Capital Management LLC | 3,000 | $250.0K | 0.01% |
| Handelsbanken Fonder AB | 2,900 | $241.0K | 0.00% |
| HRT Financial LP | 2,762 | $229.0K | 0.00% |
| SEI Investments Co | 2,505 | $208.0K | 0.00% |
| Nisa Investment Advisors, LLC | 600 | $50.0K | 0.00% |
| Quantbot Technologies LP | 300 | $24.0K | 0.00% |
| TCI Wealth Advisors, Inc. | 31 | $3.00K | 0.00% |
| The PNC Financial Services Group, Inc. | 12 | $1.00K | 0.00% |
Sold out (22)
Institutions that held IGM Biosciences, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.
| Institution | Shares, Q1 2021 | Value, Q1 2021 |
|---|---|---|
| Ra Capital Management, L.P. | 982,723 | $75.4M |
| Avidity Partners Management LP | 293,000 | $22.5M |
| Janus Henderson Group PLC | 268,933 | $20.6M |
| Citadel Advisors LLC | 47,514 | $3.64M |
| Marshall Wace North America L.P. | 39,090 | $3.00M |
| Marshall Wace, LLP | 26,046 | $2.00M |
| Vivo Capital, LLC | 20,000 | $1.53M |
| Schonfeld Strategic Advisors LLC | 18,921 | $1.45M |
| Squarepoint Ops LLC | 15,624 | $1.20M |
| California Public Employees Retirement System | 14,400 | $1.10M |
| Jane Street Group, LLC | 7,025 | $539.0K |
| Cubist Systematic Strategies, LLC | 5,284 | $405.0K |
| Essex Investment Management Co LLC | 4,073 | $312.0K |
| Verition Fund Management LLC | 3,902 | $299.0K |
| Athanor Capital, LP | 3,234 | $248.0K |
| L & S Advisors Inc | 3,000 | $230.0K |
| AQR Capital Management LLC | 2,875 | $220.0K |
| Pacer Advisors, Inc. | 890 | $68.0K |
| Ikarian Capital, LLC | 300 | $23.0K |
| Bank of Montreal | 217 | $17.0K |
| International Assets Investment Management, LLC | 175 | $15.0K |
| Grandview Asset Management LLC | 61 | $5.00K |