CytokineticsCYTK
13F holders, Q3 2025 (September 30)380holders +69
98new positions
23sold out
8famous investors
$54.96avg. 13F price*
At the end of Q3 2025, 380 institutions reported holding Cytokinetics Inc. (CYTK) in their 13F filings, up 69 from Q2 2025. 98 opened new positions and 23 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($1.0B), BlackRock, Inc. ($853.3M) and FMR LLC ($719.5M). 8 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Steve Cohen (0.1% of Point72 Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Cytokinetics Inc.
- CUSIP
- 23282W605
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 98 | $204.6M |
| Exits | 23 | $57.6M |
All 13F filers, Q2 2025 → Q3 2025: 15,528,365 shares bought and 11,025,268 shares sold, net +4,503,097 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 380 holders
| T. Rowe Price Investment Management, Inc. | 0.64% | Add +8.4% | 19,080,496 | $1.0B |
| BlackRock, Inc. | 0.02% | Reduce -1.0% | 15,525,747 | $853.3M |
| FMR LLC | 0.04% | Add +16.2% | 13,091,647 | $719.5M |
| Vanguard Group Inc. | 0.01% | Reduce -1.1% | 11,856,795 | $651.6M |
| Wellington Management Group LLP | 0.07% | Reduce -5.3% | 7,408,561 | $407.2M |
| State Street Corp. | 0.01% | Reduce -11.8% | 5,617,334 | $308.7M |
| Deep Track Capital, LP | 6.60% | Add +17.8% | 4,300,000 | $236.3M |
| Bank of America Corp. | 0.01% | Add +15.7% | 3,061,796 | $168.3M |
| Geode Capital Management, LLC | 0.01% | Add +1.5% | 3,040,202 | $167.1M |
| Polar Capital Holdings Plc | 0.74% | Reduce -0.6% | 2,782,930 | $152.9M |
| RTW Investments, LP | 1.84% | No change | 2,721,158 | $149.6M |
| T. Rowe Price Associates Inc. | 0.01% | Add +26.8% | 2,366,848 | $130.1M |
| UBS Group AG | 0.02% | Reduce -41.3% | 1,803,251 | $99.1M |
| Woodline Partners LP | 0.43% | Add +676.1% | 1,647,725 | $90.6M |
| Goldman Sachs Group Inc. | 0.01% | Add +28.3% | 1,634,723 | $89.8M |
| JPMorgan Chase & Co. | 0.01% | Add +17.1% | 1,542,857 | $84.8M |
| Morgan Stanley | 0.01% | Add +36.0% | 1,521,186 | $83.6M |
| Northern Trust Corp. | 0.01% | Add +2.0% | 1,406,832 | $77.3M |
| Integral Health Asset Management, LLC | 5.61% | Add +40.0% | 1,400,000 | $76.9M |
| Citadel Advisors | 0.06% | Add +6.7% | 1,386,065 | $76.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.2% | 1,373,883 | $75.5M |
| Armistice Capital, LLC | 2.07% | Reduce -8.8% | 1,196,868 | $65.8M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 5.06% | Add +10.2% | 1,192,484 | $65.5M |
| Capital International Investors | 0.01% | Add +0.9% | 1,178,780 | $64.8M |
| Principal Financial Group Inc. | 0.03% | Reduce -0.9% | 1,174,448 | $64.5M |
| Pictet Asset Management Holding SA | 0.06% | Reduce -25.9% | 1,145,558 | $62.9M |
| Susquehanna International Group, LLP | 0.08% | Add +41.2% | 1,017,801 | $55.9M |
| Aberdeen Group plc | 0.08% | Add +0.5% | 927,832 | $51.0M |
| Brown Advisory Inc. | 0.07% | Reduce -8.3% | 912,186 | $50.1M |
| Frazier Life Sciences Management, L.P. | 1.47% | Add +60.5% | 890,445 | $48.9M |
| Bank of New York Mellon Corp | 0.01% | Reduce -0.6% | 869,231 | $47.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.11% | Add +16.1% | 785,000 | $43.1M |
| Melqart Asset Management (UK) Ltd | 5.75% | Reduce -40.9% | 783,774 | $43.1M |
| Fisher Asset Management | 0.02% | Add +3.8% | 761,587 | $41.9M |
| Vestal Point Capital, LP | 1.81% | Reduce -75.6% | 725,000 | $39.8M |
| TD Asset Management Inc | 0.03% | Add +23.4% | 671,780 | $36.9M |
| Sarissa Capital Management LP | 17.93% | No change | 588,357 | $32.3M |
| Ameriprise Financial Inc. | 0.01% | Add +63.6% | 564,547 | $31.0M |
| ADAR1 Capital Management, LLC | 2.84% | Reduce -10.9% | 518,921 | $28.5M |
| AQR Capital Management | 0.02% | Add +47.6% | 513,290 | $28.2M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -0.2% | 496,673 | $27.3M |
| Point72 Asset Management | 0.06% | New | 471,482 | $25.9M |
| Foresite Capital Management IV, LLC | 13.79% | New | 458,295 | $25.2M |
| Catalio Capital Management, LP | 4.59% | Reduce -24.9% | 451,581 | $24.8M |
| American Century Companies Inc. | 0.01% | Reduce -0.8% | 429,203 | $23.6M |
| Franklin Resources Inc. | 0.01% | Add +1.7% | 409,725 | $22.5M |
| E. Ohman J:or Asset Management AB | 0.53% | No change | 407,037 | $22.4M |
| Rosalind Advisors, Inc. | 7.77% | No change | 400,000 | $22.0M |
| Barclays PLC | 0.01% | Reduce -19.2% | 398,075 | $21.9M |
| DAFNA Capital Management LLC | 5.44% | Reduce -0.8% | 394,940 | $21.7M |
| Gilder Gagnon Howe & Co. LLC | 0.22% | Add +103.6% | 389,055 | $21.4M |
| Rhumbline Advisers | 0.02% | Reduce -1.1% | 385,813 | $21.2M |
| Nuveen, LLC | 0.01% | Add +20.6% | 370,915 | $20.4M |
| Affinity Asset Advisors, LLC | 1.85% | New | 350,000 | $19.2M |
| Millennium Management | 0.02% | Reduce -25.3% | 342,533 | $18.8M |
| Pentwater Capital Management LP | 0.15% | No change | 300,000 | $16.5M |
| Renaissance Technologies | 0.02% | Add +2752.0% | 289,967 | $15.9M |
| Susquehanna Portfolio Strategies, LLC | 0.24% | Add +5.3% | 278,429 | $15.3M |
| Quinn Opportunity Partners LLC | 1.10% | Add +40.4% | 273,661 | $15.0M |
| Rhenman & Partners Asset Management AB | 1.55% | Add +144.8% | 255,250 | $14.0M |
| First Turn Management, LLC | 2.10% | New | 254,795 | $14.0M |
| BNP Paribas Financial Markets | 0.01% | Reduce -14.7% | 247,465 | $13.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -42.7% | 238,382 | $13.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -83.0% | 235,416 | $12.9M |
| Handelsbanken Fonder AB | 0.04% | Add +626.0% | 234,500 | $12.9M |
| Ikarian Capital, LLC | 2.48% | Reduce -4.6% | 222,674 | $12.2M |
| Swiss National Bank | 0.01% | Add +1.7% | 219,900 | $12.1M |
| Silverarc Capital Management, LLC | 1.68% | New | 211,000 | $11.6M |
| Pinnacle Associates Ltd. | 0.15% | Reduce -3.4% | 201,490 | $11.1M |
| Boxer Capital Management, LLC | 3.50% | New | 200,000 | $11.0M |
| Mirador Capital Partners LP | 1.54% | Add +36.7% | 197,367 | $10.8M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +9.5% | 191,897 | $10.5M |
| Group One Trading LLC | 0.31% | Reduce -43.6% | 187,969 | $10.3M |
| Schroder Investment Management Group | 0.01% | Reduce -39.9% | 186,883 | $10.1M |
| Hudson Bay Capital Management LP | 0.07% | Add +15.4% | 182,131 | $10.0M |
| Segall Bryant & Hamill, LLC | 0.13% | Add +116.1% | 181,050 | $10.0M |
| GW&K Investment Management, LLC | 0.09% | New | 180,670 | $9.9M |
| Legal & General Group Plc | 0.00% | Reduce -1.1% | 179,650 | $9.9M |
| Marshall Wace, LLP | 0.01% | Add +743.3% | 178,980 | $9.8M |
| Impax Asset Management Group plc | 0.06% | No change | 175,000 | $9.6M |
| Eventide Asset Management, LLC | 0.15% | Reduce -31.8% | 170,108 | $9.3M |
| Deutsche Bank AG | 0.00% | Add +15.1% | 165,564 | $9.1M |
| Sphera Funds Management LTD. | 2.11% | Reduce -50.6% | 161,517 | $8.9M |
| Invesco Ltd. | 0.00% | Add +15.4% | 157,249 | $8.6M |
| Peregrine Capital Management LLC | 0.26% | Reduce -2.6% | 154,449 | $8.5M |
| California Public Employees Retirement System | 0.00% | Add +5.5% | 150,399 | $8.3M |
| Great Point Partners LLC | 3.44% | No change | 150,000 | $8.2M |
| Nantahala Capital Management, LLC | 0.51% | New | 150,000 | $8.2M |
| Skandinaviska Enskilda Banken AB (publ) | 0.03% | Add +280.7% | 149,957 | $8.2M |
| Retirement Systems of Alabama | 0.03% | Reduce -0.9% | 144,672 | $8.0M |
| Readystate Asset Management LP | 0.76% | Add +7.8% | 142,482 | $7.8M |
| Exome Asset Management LLC | 5.17% | Add +23.0% | 142,417 | $7.8M |
| Aquatic Capital Management LLC | 0.14% | Add +2371.7% | 135,869 | $7.5M |
| HighVista Strategies LLC | 1.79% | Add +93.6% | 132,930 | $7.3M |
| MetLife Investment Management, LLC | 0.03% | Reduce -3.3% | 127,590 | $7.0M |
| Monaco Asset Management SAM | 2.50% | Add +182.3% | 120,000 | $6.6M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -21.0% | 119,890 | $6.6M |
| New York State Teachers Retirement System | 0.01% | No change | 114,500 | $6.3M |
| Macquarie Group Ltd. | 0.01% | Add +31.5% | 110,260 | $6.1M |
| California State Teachers Retirement System | 0.01% | Add +3.7% | 107,448 | $5.9M |
"% of holder's portfolio" is CYTK's weight in each manager's 13F, not the share of Cytokinetics Inc. the manager owns.