Cytokinetics Inc
CYTK- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001061983
In the last 90 days, Cytokinetics Inc insiders filed 0 open-market purchases and 16 sales; 482 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Cytokinetics Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 312
- −43 vs. Q1 2025
- Shares held
- 137.7M
- +1.39M (+1.0%) vs. Q1 2025
- Total value
- $4.55B
- −$933.1M (−17.0%) vs. Q1 2025
- New holders
- 28
- 143 more added
- Sold out
- 71
- 104 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CYTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 482 | $13.7B |
| Q1 2026 | 441 | $9.63B |
| Q4 2025 | 431 | $8.87B |
| Q3 2025 | 381 | $7.75B |
| Q2 2025 | 312 | $4.55B |
| Q1 2025 | 356 | $5.48B |
| Q4 2024 | 347 | $6.18B |
| Q3 2024 | 348 | $7.20B |
| Q2 2024 | 344 | $7.34B |
| Q1 2024 | 390 | $8.26B |
| Q4 2023 | 347 | $9.54B |
| Q3 2023 | 251 | $3.22B |
| Q2 2023 | 253 | $3.55B |
| Q1 2023 | 263 | $3.83B |
| Q4 2022 | 278 | $4.88B |
| Q3 2022 | 276 | $5.08B |
| Q2 2022 | 263 | $4.16B |
| Q1 2022 | 240 | $3.52B |
| Q4 2021 | 250 | $4.16B |
| Q3 2021 | 211 | $3.22B |
| Q2 2021 | 191 | $1.50B |
| Q1 2021 | 193 | $1.74B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| RTW Investments, LP | 2,721,158 | $89.9M | 1.28% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 2,798,401 | $92.5M | 0.48% | +342,664+14.0% | Added |
| Vestal Point Capital, LP | 2,975,000 | $98.3M | 5.18% | +384,469+14.8% | Added |
| Geode Capital Management, LLC | 2,994,445 | $98.9M | 0.01% | +56,961+1.9% | Added |
| UBS Group AG | 3,070,665 | $101.5M | 0.02% | +936,446+43.9% | Added |
| Deep Track Capital, LP | 3,650,000 | $120.6M | 3.88% | +576,147+18.7% | Added |
| State Street Corp | 6,372,753 | $210.6M | 0.01% | +287,752+4.7% | Added |
| Wellington Management Group LLP | 7,827,679 | $258.6M | 0.05% | −161,061−2.0% | Reduced |
| FMR LLC | 11,267,511 | $372.3M | 0.02% | +951,380+9.2% | Added |
| Vanguard Group Inc | 11,983,838 | $395.9M | 0.01% | +134,291+1.1% | Added |
| BlackRock, Inc. | 15,677,867 | $518.0M | 0.01% | +114,089+0.7% | Added |
| T. Rowe Price Investment Management, Inc. | 17,602,440 | $581.6M | 0.37% | +7,647,189+76.8% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,722,984−100.0% | Sold out |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −1,310,336−100.0% | Sold out |
| Hood River Capital Management LLC | 0 | $0 | 0.00% | −1,256,580−100.0% | Sold out |
| RP Management, LLC | 0 | $0 | 0.00% | −980,392−100.0% | Sold out |
| Paradigm Biocapital Advisors LP | 0 | $0 | 0.00% | −858,664−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −673,932−100.0% | Sold out |
| Finepoint Capital LP | 0 | $0 | 0.00% | −309,948−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −206,844−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −185,551−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −175,478−100.0% | Sold out |
| Cutter Capital Management, LP | 0 | $0 | 0.00% | −175,000−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −149,648−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −145,191−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −119,873−100.0% | Sold out |
| Decheng Capital LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −85,863−100.0% | Sold out |
| Redmile Group, LLC | 0 | $0 | 0.00% | −82,098−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −80,400−100.0% | Sold out |
| Murchinson Ltd. | 0 | $0 | 0.00% | −78,795−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −53,113−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −52,321−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −44,156−100.0% | Sold out |
| CM Management, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −34,037−100.0% | Sold out |
| RFG Advisory, LLC | 0 | $0 | 0.00% | −32,005−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −23,181−100.0% | Sold out |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −21,505−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −19,387−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −17,934−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −15,991−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −14,130−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −13,357−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −11,515−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −11,013−100.0% | Sold out |
| Kazazian Asset Management, LLC | 0 | $0 | 0.00% | −9,796−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −9,433−100.0% | Sold out |
| Camden Capital, LLC | 0 | $0 | 0.00% | −9,204−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −8,340−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −7,663−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −7,843−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −7,372−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,357−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −7,307−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −6,416−100.0% | Sold out |
| Cannon Global Investment Management, LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| One68 Global Capital, LLC | 0 | $0 | 0.00% | −5,549−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −5,763−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −4,576−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −2,869−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Goodman Advisory Group, LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −323−100.0% | Sold out |
| PFG Private Wealth Management, LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Aventura Private Wealth, LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| High Note Wealth, LLC | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Sachetta, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| JFS Wealth Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| American Capital Advisory, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |