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# Who owns CYTOKINETICS INC (CYT)? Elite investor 13F holders

5 tracked elite investors reported holding CYTOKINETICS INC as of 2026-06-30, including D.E. Shaw, Sarissa Capital, Tudor Investment, Gotham Asset Management, GAMCO. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Cytokinetics, Incorporated, a biopharmaceutical company, focuses on discovering, developing, and commercializing novel muscle activators and muscle inhibitors as potential treatments for debilitating diseases in the United States. The company markets MYQORZO, a novel, oral, and small molecule cardiac myosin inhibitor for the treatment of symptomatic oHCM. It also develops Aficamten, a novel,…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | CYTOKINETICS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 89287894.00 USD | 1048103.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Sarissa Capital](https://ownershiptrace.com/13f/investors/106) | CYTOKINETICS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 19476393.00 USD | 228623.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1577524/0000899140-26-000879-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | CYTOKINETICS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 7895409.00 USD | 92680.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | CYTOKINETICS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 457215.00 USD | 5367.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | CYTOKINETICS INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 341026.00 USD | 200000.000000 | Principal | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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