CYTK CYTOKINETICS INC: institutional ownership and insider trading
512 funds reported holding $15.1B of CYTOKINETICS INC in their latest 13F filings; in Q2 2026 funds net bought $949M, with 87 new positions and 49 funds selling out; over the last 12 months insiders bought $0 and sold $52.1M on the open market.
Famous investors holding CYTK
- D. E. Shaw (D. E. Shaw & Co.): $89.3M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $168M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $27.0M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $17.9M, 0.0% of the portfolio
Largest institutional holders of CYTK
- BlackRock, Inc. (BLK) — $1.71B
- T. Rowe Price Investment Management, Inc. — $1.59B
- VANGUARD GROUP INC — $766M
- WELLINGTON MANAGEMENT GROUP LLP — $591M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $572M
- STATE STREET CORP (STT, STT-PG) — $553M
- VANGUARD CAPITAL MANAGEMENT LLC — $521M
- FMR LLC — $429M
- Avoro Capital Advisors LLC — $426M
- BANK OF AMERICA CORP /DE/ (BAC, BAC-PB, BAC-PE, BAC-PK, BAC-PL, BAC-PM, BAC-PN, BAC-PO, BAC-PP, BML-PG, BML-PH, BML-PJ, BML-PL) — $395M
Recent CYTK insider trades
- Oct 20, 2026: Malik Fady Ibraham sold 3,500 shares ($224K)
- Oct 12, 2026: Blum Robert I sold 7,500 shares ($472K)
- Oct 6, 2026: Malik Fady Ibraham sold 3,500 shares ($215K)
- Sep 28, 2026: Blum Robert I sold 7,500 shares ($491K)
Members of Congress trading CYTK
- Sep 29, 2026: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Jun 30, 2026: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Oct 9, 2025: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Jun 17, 2025: Lisa C. McClain sold $1.00K–$15.0K
- Jun 11, 2025: Lisa C. McClain bought $1.00K–$15.0K
5%+ owners
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 29, 2026)
- Wellington Management Group LLP: 5.1% (Schedule 13G/A, filed Aug 13, 2026)