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 19 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 |
|---|---|---|---|---|---|
| Teachers Retirement System of the State of Kentucky | 58,640 | $1.94M | 0.02% | −1,717−2.8% | Reduced |
| Mutual of America Capital Management LLC | 59,391 | $1.96M | 0.02% | −1,348−2.2% | Reduced |
| Algert Global LLC | 60,390 | $2.00M | 0.04% | −55,930−48.1% | Reduced |
| Superstring Capital Management LP | 61,103 | $2.02M | 2.52% | −11,889−16.3% | Reduced |
| State of New Jersey Common Pension Fund D | 61,783 | $2.04M | 0.01% | +20,751+50.6% | Added |
| Alps Advisors Inc | 64,392 | $2.13M | 0.01% | +64,392 | New |
| J. Safra Sarasin Holding AG | 68,190 | $2.25M | 0.04% | +40,399+145.4% | Added |
| HighVista Strategies LLC | 68,652 | $2.27M | 0.83% | +23,903+53.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 72,310 | $2.39M | 0.00% | −2,608−3.5% | Reduced |
| Thornburg Investment Management Inc | 72,879 | $2.41M | 0.03% | −188,014−72.1% | Reduced |
| EFG Asset Management (North America) Corp. | 76,257 | $2.52M | 0.36% | −4,102−5.1% | Reduced |
| Zimmer Partners, LP | 76,500 | $2.53M | 0.06% | −5,632−6.9% | Reduced |
| Erste Asset Management GmbH | 76,950 | $2.55M | 0.02% | +16,500+27.3% | Added |
| Great West Life Assurance Co | 78,544 | $2.60M | 0.00% | +9,512+13.8% | Added |
| State of Wisconsin Investment Board | 79,964 | $2.64M | 0.01% | +2,069+2.7% | Added |
| Boothbay Fund Management, LLC | 81,796 | $2.70M | 0.08% | −404−0.5% | Reduced |
| Segall Bryant & Hamill, LLC | 83,770 | $2.77M | 0.04% | +14,227+20.5% | Added |
| Macquarie Group Ltd | 83,872 | $2.77M | 0.00% | +9,466+12.7% | Added |
| Wells Fargo & Company | 95,350 | $3.15M | 0.00% | +21,384+28.9% | Added |
| Tang Capital Management LLC | 100,000 | $3.30M | 0.17% | 00.0% | Unchanged |
| California State Teachers Retirement System | 103,635 | $3.42M | 0.00% | +123+0.1% | Added |
| Rhenman & Partners Asset Management AB | 104,250 | $3.44M | 0.44% | 00.0% | Unchanged |
| Jane Street Group, LLC | 106,108 | $3.51M | 0.01% | −649,598−86.0% | Reduced |
| New York State Teachers Retirement System | 114,500 | $3.78M | 0.01% | +400+0.4% | Added |
| Exome Asset Management LLC | 115,817 | $3.83M | 3.16% | +12,334+11.9% | Added |
| Qube Research & Technologies Ltd | 121,822 | $4.02M | 0.01% | +4,602+3.9% | Added |
| MetLife Investment Management | 131,954 | $4.36M | 0.03% | +1,932+1.5% | Added |
| Readystate Asset Management LP | 132,218 | $4.37M | 0.18% | −15,951−10.8% | Reduced |
| Invesco Ltd. | 136,312 | $4.50M | 0.00% | −365,570−72.8% | Reduced |
| California Public Employees Retirement System | 142,602 | $4.71M | 0.00% | +13,911+10.8% | Added |
| Deutsche Bank AG | 143,813 | $4.75M | 0.00% | −14,736−9.3% | Reduced |
| Mirador Capital Partners LP | 144,347 | $4.77M | 0.77% | +45,222+45.6% | Added |
| Citigroup Inc | 144,837 | $4.79M | 0.00% | −160,758−52.6% | Reduced |
| Retirement Systems of Alabama | 145,967 | $4.82M | 0.02% | +2,330+1.6% | Added |
| Great Point Partners LLC | 150,000 | $4.96M | 3.22% | −220,000−59.5% | Reduced |
| Jump Financial, LLC | 151,290 | $5.00M | 0.06% | +151,290 | New |
| Russell Investments Group, Ltd. | 151,841 | $5.02M | 0.01% | +102,403+207.1% | Added |
| Capital Fund Management S.A. | 154,381 | $5.10M | 0.06% | +99,117+179.4% | Added |
| Hudson Bay Capital Management LP | 157,786 | $5.21M | 0.03% | +10,523+7.1% | Added |
| Peregrine Capital Management LLC | 158,528 | $5.24M | 0.16% | +2,791+1.8% | Added |
| Rafferty Asset Management, LLC | 171,581 | $5.67M | 0.02% | +22,074+14.8% | Added |
| Impax Asset Management Group plc | 175,000 | $5.78M | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 175,279 | $5.79M | 0.01% | +7,595+4.5% | Added |
| Legal & General Group Plc | 181,737 | $6.00M | 0.00% | +3,856+2.2% | Added |
| Gilder Gagnon Howe & Co LLC | 191,115 | $6.31M | 0.07% | +176,253+1,185.9% | Added |
| Quinn Opportunity Partners LLC | 194,939 | $6.44M | 0.55% | +65,000+50.0% | Added |
| Ensign Peak Advisors, Inc | 203,946 | $6.74M | 0.01% | +172,150+541.4% | Added |
| Pinnacle Associates Ltd | 208,527 | $6.89M | 0.10% | −61,908−22.9% | Reduced |
| Woodline Partners LP | 212,303 | $7.01M | 0.04% | 00.0% | Unchanged |
| Swiss National Bank | 216,200 | $7.14M | 0.00% | −1,000−0.5% | Reduced |
| Ikarian Capital, LLC | 233,464 | $7.71M | 2.55% | +83,482+55.7% | Added |
| Eventide Asset Management, LLC | 249,500 | $8.24M | 0.14% | −133,196−34.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 264,329 | $8.73M | 0.19% | +264,329 | New |
| BNP Paribas Arbitrage, SA | 290,245 | $9.59M | 0.01% | +52,647+22.2% | Added |
| Pentwater Capital Management LP | 300,000 | $9.91M | 0.13% | +80,000+36.4% | Added |
| Nuveen, LLC | 307,499 | $10.2M | 0.00% | −43,869−12.5% | Reduced |
| Schroder Investment Management Group | 310,891 | $10.3M | 0.01% | −34,707−10.0% | Reduced |
| Sphera Funds Management Ltd. | 326,718 | $10.8M | 2.82% | +181,757+125.4% | Added |
| Group One Trading, L.P. | 333,282 | $11.0M | 0.36% | +128,770+63.0% | Added |
| Ameriprise Financial Inc | 344,966 | $11.4M | 0.00% | −441,617−56.1% | Reduced |
| AQR Capital Management LLC | 347,739 | $11.5M | 0.01% | +327,745+1,639.2% | Added |
| Rhumbline Advisers | 389,940 | $12.9M | 0.01% | +16,085+4.3% | Added |
| DAFNA Capital Management LLC | 398,100 | $13.2M | 3.63% | 00.0% | Unchanged |
| Rosalind Advisors, Inc. | 400,000 | $13.2M | 6.40% | +400,000 | New |
| Franklin Resources Inc | 402,789 | $13.3M | 0.00% | −134,835−25.1% | Reduced |
| E. Ohman J:or Asset Management AB | 407,037 | $13.4M | 0.33% | +77,806+23.6% | Added |
| UBS Asset Management Americas Inc | 416,253 | $13.8M | 0.00% | +107,357+34.8% | Added |
| American Century Companies Inc | 432,731 | $14.3M | 0.01% | +71,343+19.7% | Added |
| Millennium Management LLC | 458,677 | $15.2M | 0.01% | +170,776+59.3% | Added |
| Barclays PLC | 492,814 | $16.3M | 0.01% | +183,322+59.2% | Added |
| Massachusetts Financial Services Co | 497,602 | $16.4M | 0.01% | +178,069+55.7% | Added |
| TD Asset Management Inc | 544,292 | $18.0M | 0.02% | +97,464+21.8% | Added |
| Frazier Life Sciences Management, L.P. | 554,731 | $18.3M | 0.73% | +554,731 | New |
| ADAR1 Capital Management, LLC | 582,147 | $19.2M | 3.12% | +191,418+49.0% | Added |
| Sarissa Capital Management LP | 588,357 | $19.4M | 12.59% | −11,643−1.9% | Reduced |
| Catalio Capital Management, LP | 601,439 | $19.9M | 4.17% | +15,627+2.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 676,280 | $22.3M | 0.05% | +153,812+29.4% | Added |
| Susquehanna International Group, LLP | 720,814 | $23.8M | 0.04% | +181,704+33.7% | Added |
| Fisher Asset Management, LLC | 733,680 | $24.2M | 0.01% | −59,778−7.5% | Reduced |
| Bank of New York Mellon Corp | 874,303 | $28.9M | 0.01% | +3,335+0.4% | Added |
| Standard Life Aberdeen plc | 922,929 | $30.5M | 0.05% | +320,508+53.2% | Added |
| Brown Advisory Inc | 995,299 | $32.9M | 0.04% | −91,001−8.4% | Reduced |
| Integral Health Asset Management, LLC | 1,000,000 | $33.0M | 3.09% | −100,000−9.1% | Reduced |
| OrbiMed Advisors LLC | 1,077,000 | $35.6M | 0.89% | −432,205−28.6% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 1,082,563 | $35.8M | 4.23% | +921,278+571.2% | Added |
| Morgan Stanley | 1,118,080 | $36.9M | 0.00% | +106,335+10.5% | Added |
| Capital International Investors | 1,168,110 | $38.6M | 0.01% | 00.0% | Unchanged |
| Norges Bank | 1,184,072 | $39.1M | 0.00% | +7,153+0.6% | Added |
| Principal Financial Group Inc | 1,184,805 | $39.1M | 0.02% | +554,894+88.1% | Added |
| Goldman Sachs Group Inc | 1,273,983 | $42.1M | 0.01% | −88,975−6.5% | Reduced |
| Citadel Advisors LLC | 1,298,609 | $42.9M | 0.04% | +148,095+12.9% | Added |
| Armistice Capital, LLC | 1,312,349 | $43.4M | 1.64% | +288,959+28.2% | Added |
| JPMorgan Chase & Co | 1,317,414 | $43.5M | 0.00% | −7,994−0.6% | Reduced |
| Melqart Asset Management (UK) Ltd | 1,326,719 | $43.8M | 6.26% | +327,272+32.7% | Added |
| Charles Schwab Investment Management Inc | 1,357,117 | $44.8M | 0.01% | +44,260+3.4% | Added |
| Northern Trust Corp | 1,379,191 | $45.6M | 0.01% | −68,125−4.7% | Reduced |
| Alliancebernstein L.P. | 1,385,953 | $45.8M | 0.01% | −137,487−9.0% | Reduced |
| Pictet Asset Management Holding SA | 1,546,391 | $51.1M | 0.05% | −409,936−21.0% | Reduced |
| Price T Rowe Associates Inc | 1,865,977 | $61.7M | 0.01% | −127,919−6.4% | Reduced |
| Bank of America Corp | 2,645,568 | $87.4M | 0.01% | −57,306−2.1% | Reduced |