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 18 sales; 481 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 | 481 | $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 |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 17,602,440 | $581.6M | 0.37% | +7,647,189+76.8% | Added |
| BlackRock, Inc. | 15,677,867 | $518.0M | 0.01% | +114,089+0.7% | Added |
| Vanguard Group Inc | 11,983,838 | $395.9M | 0.01% | +134,291+1.1% | Added |
| FMR LLC | 11,267,511 | $372.3M | 0.02% | +951,380+9.2% | Added |
| Wellington Management Group LLP | 7,827,679 | $258.6M | 0.05% | −161,061−2.0% | Reduced |
| State Street Corp | 6,372,753 | $210.6M | 0.01% | +287,752+4.7% | Added |
| Deep Track Capital, LP | 3,650,000 | $120.6M | 3.88% | +576,147+18.7% | Added |
| UBS Group AG | 3,070,665 | $101.5M | 0.02% | +936,446+43.9% | Added |
| Geode Capital Management, LLC | 2,994,445 | $98.9M | 0.01% | +56,961+1.9% | Added |
| Vestal Point Capital, LP | 2,975,000 | $98.3M | 5.18% | +384,469+14.8% | Added |
| Polar Capital Holdings Plc | 2,798,401 | $92.5M | 0.48% | +342,664+14.0% | Added |
| RTW Investments, LP | 2,721,158 | $89.9M | 1.28% | 00.0% | Unchanged |
| Bank of America Corp | 2,645,568 | $87.4M | 0.01% | −57,306−2.1% | Reduced |
| Price T Rowe Associates Inc | 1,865,977 | $61.7M | 0.01% | −127,919−6.4% | Reduced |
| Pictet Asset Management Holding SA | 1,546,391 | $51.1M | 0.05% | −409,936−21.0% | Reduced |
| Alliancebernstein L.P. | 1,385,953 | $45.8M | 0.01% | −137,487−9.0% | Reduced |
| Northern Trust Corp | 1,379,191 | $45.6M | 0.01% | −68,125−4.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,357,117 | $44.8M | 0.01% | +44,260+3.4% | Added |
| Melqart Asset Management (UK) Ltd | 1,326,719 | $43.8M | 6.26% | +327,272+32.7% | Added |
| JPMorgan Chase & Co | 1,317,414 | $43.5M | 0.00% | −7,994−0.6% | Reduced |
| Armistice Capital, LLC | 1,312,349 | $43.4M | 1.64% | +288,959+28.2% | Added |
| Citadel Advisors LLC | 1,298,609 | $42.9M | 0.04% | +148,095+12.9% | Added |
| Goldman Sachs Group Inc | 1,273,983 | $42.1M | 0.01% | −88,975−6.5% | Reduced |
| Principal Financial Group Inc | 1,184,805 | $39.1M | 0.02% | +554,894+88.1% | Added |
| Norges Bank | 1,184,072 | $39.1M | 0.00% | +7,153+0.6% | Added |
| Capital International Investors | 1,168,110 | $38.6M | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 1,118,080 | $36.9M | 0.00% | +106,335+10.5% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 1,082,563 | $35.8M | 4.23% | +921,278+571.2% | Added |
| OrbiMed Advisors LLC | 1,077,000 | $35.6M | 0.89% | −432,205−28.6% | Reduced |
| Integral Health Asset Management, LLC | 1,000,000 | $33.0M | 3.09% | −100,000−9.1% | Reduced |
| Brown Advisory Inc | 995,299 | $32.9M | 0.04% | −91,001−8.4% | Reduced |
| Standard Life Aberdeen plc | 922,929 | $30.5M | 0.05% | +320,508+53.2% | Added |
| Bank of New York Mellon Corp | 874,303 | $28.9M | 0.01% | +3,335+0.4% | Added |
| Fisher Asset Management, LLC | 733,680 | $24.2M | 0.01% | −59,778−7.5% | Reduced |
| Susquehanna International Group, LLP | 720,814 | $23.8M | 0.04% | +181,704+33.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 676,280 | $22.3M | 0.05% | +153,812+29.4% | Added |
| Catalio Capital Management, LP | 601,439 | $19.9M | 4.17% | +15,627+2.7% | Added |
| Sarissa Capital Management LP | 588,357 | $19.4M | 12.59% | −11,643−1.9% | Reduced |
| ADAR1 Capital Management, LLC | 582,147 | $19.2M | 3.12% | +191,418+49.0% | Added |
| Frazier Life Sciences Management, L.P. | 554,731 | $18.3M | 0.73% | +554,731 | New |
| TD Asset Management Inc | 544,292 | $18.0M | 0.02% | +97,464+21.8% | Added |
| Massachusetts Financial Services Co | 497,602 | $16.4M | 0.01% | +178,069+55.7% | Added |
| Barclays PLC | 492,814 | $16.3M | 0.01% | +183,322+59.2% | Added |
| Millennium Management LLC | 458,677 | $15.2M | 0.01% | +170,776+59.3% | Added |
| American Century Companies Inc | 432,731 | $14.3M | 0.01% | +71,343+19.7% | Added |
| UBS Asset Management Americas Inc | 416,253 | $13.8M | 0.00% | +107,357+34.8% | Added |
| E. Ohman J:or Asset Management AB | 407,037 | $13.4M | 0.33% | +77,806+23.6% | Added |
| Franklin Resources Inc | 402,789 | $13.3M | 0.00% | −134,835−25.1% | Reduced |
| Rosalind Advisors, Inc. | 400,000 | $13.2M | 6.40% | +400,000 | New |
| DAFNA Capital Management LLC | 398,100 | $13.2M | 3.63% | 00.0% | Unchanged |
| Rhumbline Advisers | 389,940 | $12.9M | 0.01% | +16,085+4.3% | Added |
| AQR Capital Management LLC | 347,739 | $11.5M | 0.01% | +327,745+1,639.2% | Added |
| Ameriprise Financial Inc | 344,966 | $11.4M | 0.00% | −441,617−56.1% | Reduced |
| Group One Trading, L.P. | 333,282 | $11.0M | 0.36% | +128,770+63.0% | Added |
| Sphera Funds Management Ltd. | 326,718 | $10.8M | 2.82% | +181,757+125.4% | Added |
| Schroder Investment Management Group | 310,891 | $10.3M | 0.01% | −34,707−10.0% | Reduced |
| Nuveen, LLC | 307,499 | $10.2M | 0.00% | −43,869−12.5% | Reduced |
| Pentwater Capital Management LP | 300,000 | $9.91M | 0.13% | +80,000+36.4% | Added |
| BNP Paribas Arbitrage, SA | 290,245 | $9.59M | 0.01% | +52,647+22.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 264,329 | $8.73M | 0.19% | +264,329 | New |
| Eventide Asset Management, LLC | 249,500 | $8.24M | 0.14% | −133,196−34.8% | Reduced |
| Ikarian Capital, LLC | 233,464 | $7.71M | 2.55% | +83,482+55.7% | Added |
| Swiss National Bank | 216,200 | $7.14M | 0.00% | −1,000−0.5% | Reduced |
| Woodline Partners LP | 212,303 | $7.01M | 0.04% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 208,527 | $6.89M | 0.10% | −61,908−22.9% | Reduced |
| Ensign Peak Advisors, Inc | 203,946 | $6.74M | 0.01% | +172,150+541.4% | Added |
| Quinn Opportunity Partners LLC | 194,939 | $6.44M | 0.55% | +65,000+50.0% | Added |
| Gilder Gagnon Howe & Co LLC | 191,115 | $6.31M | 0.07% | +176,253+1,185.9% | Added |
| Legal & General Group Plc | 181,737 | $6.00M | 0.00% | +3,856+2.2% | Added |
| Manufacturers Life Insurance Company, The | 175,279 | $5.79M | 0.01% | +7,595+4.5% | Added |
| Impax Asset Management Group plc | 175,000 | $5.78M | 0.03% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 171,581 | $5.67M | 0.02% | +22,074+14.8% | Added |
| Peregrine Capital Management LLC | 158,528 | $5.24M | 0.16% | +2,791+1.8% | Added |
| Hudson Bay Capital Management LP | 157,786 | $5.21M | 0.03% | +10,523+7.1% | Added |
| Capital Fund Management S.A. | 154,381 | $5.10M | 0.06% | +99,117+179.4% | Added |
| Russell Investments Group, Ltd. | 151,841 | $5.02M | 0.01% | +102,403+207.1% | Added |
| Jump Financial, LLC | 151,290 | $5.00M | 0.06% | +151,290 | New |
| Great Point Partners LLC | 150,000 | $4.96M | 3.22% | −220,000−59.5% | Reduced |
| Retirement Systems of Alabama | 145,967 | $4.82M | 0.02% | +2,330+1.6% | Added |
| Citigroup Inc | 144,837 | $4.79M | 0.00% | −160,758−52.6% | Reduced |
| Mirador Capital Partners LP | 144,347 | $4.77M | 0.77% | +45,222+45.6% | Added |
| Deutsche Bank AG | 143,813 | $4.75M | 0.00% | −14,736−9.3% | Reduced |
| California Public Employees Retirement System | 142,602 | $4.71M | 0.00% | +13,911+10.8% | Added |
| Invesco Ltd. | 136,312 | $4.50M | 0.00% | −365,570−72.8% | Reduced |
| Readystate Asset Management LP | 132,218 | $4.37M | 0.18% | −15,951−10.8% | Reduced |
| MetLife Investment Management | 131,954 | $4.36M | 0.03% | +1,932+1.5% | Added |
| Qube Research & Technologies Ltd | 121,822 | $4.02M | 0.01% | +4,602+3.9% | Added |
| Exome Asset Management LLC | 115,817 | $3.83M | 3.16% | +12,334+11.9% | Added |
| New York State Teachers Retirement System | 114,500 | $3.78M | 0.01% | +400+0.4% | Added |
| Jane Street Group, LLC | 106,108 | $3.51M | 0.01% | −649,598−86.0% | Reduced |
| Rhenman & Partners Asset Management AB | 104,250 | $3.44M | 0.44% | 00.0% | Unchanged |
| California State Teachers Retirement System | 103,635 | $3.42M | 0.00% | +123+0.1% | Added |
| Tang Capital Management LLC | 100,000 | $3.30M | 0.17% | 00.0% | Unchanged |
| Wells Fargo & Company | 95,350 | $3.15M | 0.00% | +21,384+28.9% | Added |
| Macquarie Group Ltd | 83,872 | $2.77M | 0.00% | +9,466+12.7% | Added |
| Segall Bryant & Hamill, LLC | 83,770 | $2.77M | 0.04% | +14,227+20.5% | Added |
| Boothbay Fund Management, LLC | 81,796 | $2.70M | 0.08% | −404−0.5% | Reduced |
| State of Wisconsin Investment Board | 79,964 | $2.64M | 0.01% | +2,069+2.7% | Added |
| Great West Life Assurance Co | 78,544 | $2.60M | 0.00% | +9,512+13.8% | Added |
| Erste Asset Management GmbH | 76,950 | $2.55M | 0.02% | +16,500+27.3% | Added |