3 institutions reported holding $3,458 of CASTLE BIOSCIENCES INC COM (CSTL) in SEC 13F filings for 2026-06-30. Largest institutional holders: Versant Capital Management, Inc ($3,005), GAMMA Investing LLC ($453), MassMutual Private Wealth & Trust, FSB ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Versant Capital Management, Inc | $3,005 | 126 | Trimmed |
| 2 | GAMMA Investing LLC | $453 | 19 | Trimmed |
| 3 | MassMutual Private Wealth & Trust, FSB | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30