Baker Bros. Advisors LP 13D and 13G filings for IGM Biosciences, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-08-18 5:52 pm Sale | 2025-08-14 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 0 0.000% | -4,145,706 (Position Closed) | Filing |
| 2024-03-28 7:13 pm Purchase | 2024-03-28 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 4,145,706 12.400% | 401,037 (+10.71%) | Filing |
| 2023-12-15 5:20 pm Purchase | 2023-12-15 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 3,744,669 11.400% | 467,102 (+14.25%) | Filing |
| 2023-06-28 5:01 pm Purchase | 2023-06-22 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 3,277,567 9.990% | 107,673 (+3.40%) | Filing |
| 2022-04-05 5:15 pm Purchase | 2022-03-29 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 3,169,894 11.600% | 12,110 (+0.38%) | Filing |
| 2021-01-29 5:03 pm Purchase | 2021-01-23 | 13D | IGM Biosciences, Inc. IGMS | Baker Bros. Advisors LP | 3,157,784 12.400% | 513 (+0.02%) | Filing |