3 institutions reported holding $1.5M of Outset Medical Inc (OM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($1.5M), GAMMA Investing LLC ($1,452), MassMutual Private Wealth & Trust, FSB ($1,119). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $1.5M | 339,438 | Trimmed |
| 2 | GAMMA Investing LLC | $1,452 | 336 | Trimmed |
| 3 | MassMutual Private Wealth & Trust, FSB | $1,119 | 259 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30