IGM Biosciences, Inc. - 449585108
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROYAL BANK OF CANADA | History | No change | 40,728 | 45 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| BAKER BROS. ADVISORS LP | History | Closed out | 0 | 0 | — | 0.04% | — | -4,096,210 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Siren, L.L.C. | History | Closed out | 0 | 0 | — | 0.19% | — | -3,255,826 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Redmile Group, LLC | History | Closed out | 0 | 0 | — | 0.35% | — | -2,952,131 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Sanofi | History | Closed out | 0 | 0 | — | 0.92% | — | -1,438,975 | -100.0% | Q3 2025 | Nov 04, 2025 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -855,286 | -100.0% | Q3 2025 | Nov 14, 2025 |
| VANGUARD GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -767,154 | -100.0% | Q3 2025 | Nov 07, 2025 |
| BlackRock, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -385,474 | -100.0% | Q3 2025 | Nov 12, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -275,112 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -213,273 | -100.0% | Q3 2025 | Nov 12, 2025 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -180,985 | -100.0% | Q3 2025 | Nov 14, 2025 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -164,209 | -100.0% | Q3 2025 | Nov 14, 2025 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -117,734 | -100.0% | Q3 2025 | Nov 13, 2025 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -107,568 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -104,290 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Eagle Bay Advisors LLC | History | Closed out | 0 | 0 | — | 0.09% | — | -99,635 | -100.0% | Q3 2025 | Oct 17, 2025 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -89,705 | -100.0% | Q3 2025 | Nov 10, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -82,700 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -80,311 | -100.0% | Q3 2025 | Nov 14, 2025 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -75,913 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Woodline Partners LP | History | Closed out | 0 | 0 | — | 0.0% | — | -69,576 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Verition Fund Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -48,962 | -100.0% | Q3 2025 | Nov 14, 2025 |
| ACADIAN ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -45,253 | -100.0% | Q3 2025 | Nov 13, 2025 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -44,287 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -39,340 | -100.0% | Q3 2025 | Nov 14, 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Closed out | 0 | 0 | — | 0.0% | — | -35,210 | -100.0% | Q3 2025 | Nov 14, 2025 |
| IEQ CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -27,410 | -100.0% | Q3 2025 | Nov 14, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -26,472 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -20,100 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SG Americas Securities, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,304 | -100.0% | Q3 2025 | Oct 23, 2025 |
| Vanguard Personalized Indexing Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,919 | -100.0% | Q3 2025 | Oct 31, 2025 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -13,436 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CAPTRUST FINANCIAL ADVISORS | History | Closed out | 0 | 0 | — | 0.0% | — | -12,575 | -100.0% | Q3 2025 | Nov 19, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,950 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Cerity Partners LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,923 | -100.0% | Q3 2025 | Oct 22, 2025 |
| Ground Swell Capital, LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -11,833 | -100.0% | Q3 2025 | Nov 06, 2025 |
| CWM, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,268 | -100.0% | Q3 2025 | Oct 15, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -8,988 | -100.0% | Q3 2025 | Nov 10, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -8,910 | -100.0% | Q3 2025 | Feb 03, 2026 |
| FEDERATED HERMES, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -7,981 | -100.0% | Q3 2025 | Nov 03, 2025 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -7,520 | -100.0% | Q3 2025 | Nov 13, 2025 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -7,333 | -100.0% | Q3 2025 | Nov 13, 2025 |
| AlphaQuest LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -7,031 | -100.0% | Q3 2025 | Nov 03, 2025 |
| China Universal Asset Management Co., Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -6,975 | -100.0% | Q3 2025 | Nov 10, 2025 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -4,627 | -100.0% | Q3 2025 | Nov 13, 2025 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -3,133 | -100.0% | Q3 2025 | Nov 13, 2025 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,800 | -100.0% | Q3 2025 | Mar 31, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -1,732 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Mirae Asset Global Investments Co., Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -1,342 | -100.0% | Q3 2025 | Nov 03, 2025 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,325 | -100.0% | Q3 2025 | Nov 14, 2025 |
| RHUMBLINE ADVISERS | History | Closed out | 0 | 0 | — | 0.0% | — | -976 | -100.0% | Q3 2025 | Nov 06, 2025 |
| Capital Advisors, Ltd. LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -776 | -100.0% | Q3 2025 | Oct 16, 2025 |
| GF FUND MANAGEMENT CO. LTD. | History | Closed out | 0 | 0 | — | — | — | -716 | -100.0% | Q3 2025 | Nov 07, 2025 |
| NISA INVESTMENT ADVISORS, LLC | History | Closed out | 0 | 0 | — | — | — | -563 | -100.0% | Q3 2025 | Oct 23, 2025 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | — | — | -524 | -100.0% | Q3 2025 | Nov 13, 2025 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -317 | -100.0% | Q3 2025 | Nov 10, 2025 |
| Clearstead Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -61 | -100.0% | Q3 2025 | Nov 10, 2025 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -22 | -100.0% | Q3 2025 | Nov 05, 2025 |
| US BANCORP \DE\ | History | Closed out | 0 | 0 | — | — | — | -17 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Essential Partners LLC | History | Closed out | 0 | 0 | — | — | — | -16 | -100.0% | Q3 2025 | May 21, 2026 |
| True Wealth Design, LLC | History | Closed out | 0 | 0 | — | — | — | -14 | -100.0% | Q3 2025 | Oct 21, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q3 2025 | Nov 07, 2025 |
| OSAIC HOLDINGS, INC. | History | No change | 400 | 0 | — | — | — | 0 | 0.0% | Q3 2025 | Nov 14, 2025 |