10 institutions reported holding $18.0M of CYTOKINETICS INC (CYTK) in SEC 13F filings for 2026-06-30. Largest institutional holders: Mirador Capital Partners LP ($17.2M), Breakwater Capital Group ($335,734), GAMMA Investing LLC ($211,868), FNY Investment Advisers, LLC ($170,000), MassMutual Private Wealth & Trust, FSB ($38,165). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Mirador Capital Partners LP | $17.2M | 202,370 | Trimmed |
| 2 | Breakwater Capital Group | $335,734 | 3,941 | Hold |
| 3 | GAMMA Investing LLC | $211,868 | 2,487 | Added |
| 4 | FNY Investment Advisers, LLC | $170,000 | 2,000 | Trimmed |
| 5 | MassMutual Private Wealth & Trust, FSB | $38,165 | 448 | Added |
| 6 | Versant Capital Management, Inc | $7,326 | 86 | Trimmed |
| 7 | ELEVATION WEALTH PARTNERS, LLC | $6,305 | 74 | New |
| 8 | Arlington Trust Co LLC | $1,789 | 21 | Hold |
| 9 | EASTERN BANK | $852 | 10 | New |
| 10 | SANDERS MORRIS HARRIS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30