# IGM BIOSCIENCES INC (IGMS)

> Institutional ownership reported to the SEC as of Q3 2025, from Form 13F filings. Source: https://holderbook.com/stocks/IGMS/

- Reporting holders: 1
- Reported value: $508
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $508 | 400 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2025 | 1 | $508 |
| Q2 2025 | 67 | $17.9M |
| Q1 2025 | 79 | $20.5M |
| Q4 2024 | 84 | $133.2M |
| Q3 2024 | 73 | $358.7M |
| Q2 2024 | 82 | $153.4M |
| Q1 2024 | 85 | $222.3M |
| Q4 2023 | 73 | $183.2M |
| Q3 2023 | 80 | $187.5M |
| Q2 2023 | 80 | $208.0M |
| Q1 2023 | 77 | $258.0M |
| Q4 2022 | 81 | $307.0M |