CytokineticsCYTK
13F holders, Q2 2025 (June 30)311holders −44
26new positions
68sold out
6famous investors
$33.04avg. 13F price*
At the end of Q2 2025, 311 institutions reported holding Cytokinetics Inc. (CYTK) in their 13F filings, down 44 from Q1 2025. 26 opened new positions and 68 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($581.6M), BlackRock, Inc. ($518.0M) and Vanguard Group Inc. ($395.9M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Cytokinetics Inc.
- CUSIP
- 23282W605
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $54.0M |
| Exits | 68 | $328.5M |
All 13F filers, Q1 2025 → Q2 2025: 19,169,816 shares bought and 16,614,585 shares sold, net +2,555,231 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 311 holders
| T. Rowe Price Investment Management, Inc. | 0.37% | Add +76.8% | 17,602,440 | $581.6M |
| BlackRock, Inc. | 0.01% | Add +0.7% | 15,677,867 | $518.0M |
| Vanguard Group Inc. | 0.01% | Add +1.1% | 11,983,838 | $395.9M |
| FMR LLC | 0.02% | Add +9.2% | 11,267,511 | $372.3M |
| Wellington Management Group LLP | 0.05% | Reduce -2.0% | 7,827,679 | $258.6M |
| State Street Corp. | 0.01% | Add +4.7% | 6,372,753 | $210.6M |
| Deep Track Capital, LP | 3.88% | Add +18.7% | 3,650,000 | $120.6M |
| UBS Group AG | 0.02% | Add +43.9% | 3,070,665 | $101.5M |
| Geode Capital Management, LLC | 0.01% | Add +1.9% | 2,994,445 | $98.9M |
| Vestal Point Capital, LP | 5.18% | Add +14.8% | 2,975,000 | $98.3M |
| Polar Capital Holdings Plc | 0.49% | Add +13.9% | 2,798,401 | $92.5M |
| RTW Investments, LP | 1.28% | No change | 2,721,158 | $89.9M |
| Bank of America Corp. | 0.01% | Reduce -2.1% | 2,645,568 | $87.4M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -6.4% | 1,865,977 | $61.7M |
| Pictet Asset Management Holding SA | 0.05% | Reduce -20.9% | 1,546,391 | $51.1M |
| Alliancebernstein L.P. | 0.01% | Reduce -9.0% | 1,385,953 | $45.8M |
| Northern Trust Corp. | 0.01% | Reduce -4.7% | 1,379,191 | $45.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +3.4% | 1,357,117 | $44.8M |
| Melqart Asset Management (UK) Ltd | 6.26% | Add +32.8% | 1,326,719 | $43.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.6% | 1,317,414 | $43.5M |
| Armistice Capital, LLC | 1.64% | Add +28.2% | 1,312,349 | $43.4M |
| Citadel Advisors | 0.04% | Add +12.9% | 1,298,609 | $42.9M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -6.5% | 1,273,983 | $42.1M |
| Principal Financial Group Inc. | 0.02% | Add +88.1% | 1,184,805 | $39.1M |
| Norges Bank | 0.00% | Add +0.6% | 1,184,072 | $39.1M |
| Capital International Investors | 0.01% | No change | 1,168,110 | $38.6M |
| Morgan Stanley | 0.00% | Add +10.5% | 1,118,080 | $36.9M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 4.23% | Add +571.2% | 1,082,563 | $35.8M |
| Orbimed Advisors LLC | 0.89% | Reduce -28.6% | 1,077,000 | $35.6M |
| Integral Health Asset Management, LLC | 3.09% | Reduce -9.1% | 1,000,000 | $33.0M |
| Brown Advisory Inc. | 0.04% | Reduce -8.4% | 995,299 | $32.9M |
| Aberdeen Group plc | 0.05% | Add +53.2% | 922,929 | $30.5M |
| Bank of New York Mellon Corp | 0.01% | Add +0.4% | 874,303 | $28.9M |
| Fisher Asset Management | 0.01% | Reduce -7.5% | 733,680 | $24.2M |
| Susquehanna International Group, LLP | 0.04% | Add +33.7% | 720,814 | $23.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +29.4% | 676,280 | $22.3M |
| Catalio Capital Management, LP | 4.17% | Add +2.7% | 601,439 | $19.9M |
| Sarissa Capital Management LP | 12.59% | Reduce -1.9% | 588,357 | $19.4M |
| ADAR1 Capital Management, LLC | 3.16% | Add +49.0% | 582,147 | $19.2M |
| Frazier Life Sciences Management, L.P. | 0.73% | New | 554,731 | $18.3M |
| TD Asset Management Inc | 0.02% | Add +21.8% | 544,292 | $18.0M |
| Massachusetts Financial Services Co. | 0.01% | Add +55.7% | 497,602 | $16.4M |
| Barclays PLC | 0.01% | Add +59.2% | 492,814 | $16.3M |
| Millennium Management | 0.01% | Add +59.3% | 458,677 | $15.2M |
| American Century Companies Inc. | 0.01% | Add +19.7% | 432,731 | $14.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +34.8% | 416,253 | $13.8M |
| E. Ohman J:or Asset Management AB | 0.33% | Add +23.6% | 407,037 | $13.4M |
| Franklin Resources Inc. | 0.00% | Reduce -25.1% | 402,789 | $13.3M |
| Rosalind Advisors, Inc. | 6.40% | New | 400,000 | $13.2M |
| DAFNA Capital Management LLC | 3.68% | No change | 398,100 | $13.2M |
| Rhumbline Advisers | 0.01% | Add +4.3% | 389,940 | $12.9M |
| AQR Capital Management | 0.01% | Add +1639.2% | 347,739 | $11.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -56.1% | 344,966 | $11.4M |
| Group One Trading LLC | 0.36% | Add +63.0% | 333,282 | $11.0M |
| Sphera Funds Management LTD. | 2.82% | Add +125.4% | 326,718 | $10.8M |
| Schroder Investment Management Group | 0.01% | Reduce -10.0% | 310,891 | $10.3M |
| Nuveen, LLC | 0.00% | Reduce -12.5% | 307,499 | $10.2M |
| Pentwater Capital Management LP | 0.13% | Add +36.4% | 300,000 | $9.9M |
| BNP Paribas Financial Markets | 0.01% | Add +22.2% | 290,245 | $9.6M |
| Susquehanna Portfolio Strategies, LLC | 0.19% | New | 264,329 | $8.7M |
| Eventide Asset Management, LLC | 0.14% | Reduce -34.8% | 249,500 | $8.2M |
| Ikarian Capital, LLC | 2.55% | Add +55.7% | 233,464 | $7.7M |
| Swiss National Bank | 0.00% | Reduce -0.5% | 216,200 | $7.1M |
| Woodline Partners LP | 0.04% | No change | 212,303 | $7.0M |
| Pinnacle Associates Ltd. | 0.10% | Reduce -22.9% | 208,527 | $6.9M |
| Ensign Peak Advisors, Inc | 0.01% | Add +541.4% | 203,946 | $6.7M |
| Quinn Opportunity Partners LLC | 0.55% | Add +50.0% | 194,939 | $6.4M |
| Gilder Gagnon Howe & Co. LLC | 0.07% | Add +1185.9% | 191,115 | $6.3M |
| Legal & General Group Plc | 0.00% | Add +2.2% | 181,737 | $6.0M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +4.5% | 175,279 | $5.8M |
| Impax Asset Management Group plc | 0.03% | No change | 175,000 | $5.8M |
| Rafferty Asset Management, LLC | 0.02% | Add +14.8% | 171,581 | $5.7M |
| Peregrine Capital Management LLC | 0.16% | Add +1.8% | 158,528 | $5.2M |
| Hudson Bay Capital Management LP | 0.04% | Add +7.2% | 157,786 | $5.2M |
| Capital Fund Management S.A. | 0.06% | Add +179.3% | 154,381 | $5.1M |
| Russell Investments Group, Ltd. | 0.01% | Add +207.1% | 151,841 | $5.0M |
| Jump Financial, LLC | 0.06% | New | 151,290 | $5.0M |
| Great Point Partners LLC | 3.22% | Reduce -59.5% | 150,000 | $5.0M |
| Retirement Systems of Alabama | 0.02% | Add +1.6% | 145,967 | $4.8M |
| Citigroup Inc. | 0.00% | Reduce -52.6% | 144,837 | $4.8M |
| Mirador Capital Partners LP | 0.77% | Add +45.6% | 144,347 | $4.8M |
| Deutsche Bank AG | 0.00% | Reduce -9.3% | 143,813 | $4.8M |
| California Public Employees Retirement System | 0.00% | Add +10.8% | 142,602 | $4.7M |
| Invesco Ltd. | 0.00% | Reduce -72.8% | 136,312 | $4.5M |
| Readystate Asset Management LP | 0.33% | Reduce -10.8% | 132,218 | $4.4M |
| MetLife Investment Management, LLC | 0.03% | Add +1.5% | 131,954 | $4.4M |
| Qube Research & Technologies Ltd | 0.01% | Add +3.9% | 121,822 | $4.0M |
| Exome Asset Management LLC | 3.16% | Add +11.9% | 115,817 | $3.8M |
| New York State Teachers Retirement System | 0.01% | Add +0.3% | 114,500 | $3.8M |
| Jane Street Group, LLC | 0.01% | Reduce -86.0% | 106,108 | $3.5M |
| Rhenman & Partners Asset Management AB | 0.44% | No change | 104,250 | $3.4M |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 103,635 | $3.4M |
| Tang Capital Management LLC | 0.17% | No change | 100,000 | $3.3M |
| Wells Fargo & Company | 0.00% | Add +28.9% | 95,350 | $3.2M |
| Macquarie Group Ltd. | 0.00% | Add +12.7% | 83,872 | $2.8M |
| Segall Bryant & Hamill, LLC | 0.04% | Add +20.5% | 83,770 | $2.8M |
| Boothbay Fund Management, LLC | 0.09% | Reduce -0.5% | 81,796 | $2.7M |
| State of Wisconsin Investment Board | 0.01% | Add +2.7% | 79,964 | $2.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +13.8% | 78,544 | $2.6M |
| Erste Asset Management GmbH | 0.02% | Add +27.3% | 76,950 | $2.6M |
"% of holder's portfolio" is CYTK's weight in each manager's 13F, not the share of Cytokinetics Inc. the manager owns.