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, Q3 2025
Institutional positions in Cytokinetics Inc as of Sep 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
- 381
- +76 vs. Q2 2025
- Shares held
- 140.9M
- +4.52M (+3.3%) vs. Q2 2025
- Total value
- $7.75B
- +$3.24B (+71.8%) vs. Q2 2025
- New holders
- 101
- 126 more added
- Sold out
- 25
- 102 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nomura Holdings Inc | 107,253 | $5.89M | 0.03% | +83,943+360.1% | Added |
| Cinctive Capital Management LP | 105,641 | $5.81M | 0.29% | +105,641 | New |
| Squarepoint Ops LLC | 105,180 | $5.78M | 0.01% | +86,782+471.7% | Added |
| Rafferty Asset Management, LLC | 104,108 | $5.72M | 0.02% | −67,473−39.3% | Reduced |
| Royce & Associates LP | 100,083 | $5.50M | 0.05% | +100,083 | New |
| Tang Capital Management LLC | 100,000 | $5.50M | 0.21% | 00.0% | Unchanged |
| Monashee Investment Management LLC | 100,000 | $5.50M | 2.74% | +100,000 | New |
| Wells Fargo & Company | 97,460 | $5.36M | 0.00% | +2,110+2.2% | Added |
| Boothbay Fund Management, LLC | 91,816 | $5.05M | 0.13% | +10,020+12.2% | Added |
| Creative Planning | 87,310 | $4.80M | 0.00% | +39,248+81.7% | Added |
| Thornburg Investment Management Inc | 84,719 | $4.66M | 0.06% | +11,840+16.2% | Added |
| Moody Aldrich Partners LLC | 82,460 | $4.53M | 0.86% | +82,460 | New |
| Great West Life Assurance Co | 78,544 | $4.23M | 0.01% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 76,950 | $4.15M | 0.04% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 74,925 | $4.12M | 0.01% | −5,039−6.3% | Reduced |
| EFG Asset Management (North America) Corp. | 73,010 | $4.01M | 0.52% | −3,247−4.3% | Reduced |
| SEI Investments Co | 68,772 | $3.78M | 0.00% | +12,367+21.9% | Added |
| Royal Bank of Canada | 68,193 | $3.75M | 0.00% | +22,302+48.6% | Added |
| Citigroup Inc | 64,898 | $3.57M | 0.00% | −79,939−55.2% | Reduced |
| Weiss Asset Management LP | 64,163 | $3.53M | 0.05% | +64,163 | New |
| Nicholas Investment Partners, LP | 62,117 | $3.41M | 0.26% | +62,117 | New |
| Teachers Retirement System of the State of Kentucky | 60,789 | $3.34M | 0.03% | +2,149+3.7% | Added |
| Resolute Capital Asset Partners LLC | 60,000 | $3.30M | 1.72% | +60,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 59,492 | $3.26M | 0.01% | −12,818−17.7% | Reduced |
| Envestnet Asset Management Inc | 59,068 | $3.25M | 0.00% | +29,601+100.5% | Added |
| Ironwood Investment Management LLC | 57,332 | $3.15M | 1.37% | −184−0.3% | Reduced |
| Alps Advisors Inc | 56,619 | $3.11M | 0.02% | −7,773−12.1% | Reduced |
| State of New Jersey Common Pension Fund D | 55,902 | $3.07M | 0.01% | −5,881−9.5% | Reduced |
| DekaBank Deutsche Girozentrale | 57,500 | $3.07M | 0.01% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 55,261 | $3.04M | 0.03% | −4,130−7.0% | Reduced |
| Fred Alger Management, LLC | 54,828 | $3.01M | 0.01% | +54,828 | New |
| Voya Investment Management LLC | 54,644 | $3.00M | 0.00% | +13,882+34.1% | Added |
| Granahan Investment Management Inc | 53,550 | $2.94M | 0.12% | +53,550 | New |
| Advisor Group Holdings, Inc. | 54,733 | $2.91M | 0.00% | +48,820+825.6% | Added |
| Algert Global LLC | 52,460 | $2.88M | 0.05% | −7,930−13.1% | Reduced |
| Amalgamated Bank | 52,413 | $2.88M | 0.02% | +74+0.1% | Added |
| SG Americas Securities, LLC | 51,397 | $2.83M | 0.01% | +43,349+538.6% | Added |
| Dimensional Fund Advisors LP | 51,259 | $2.82M | 0.00% | +19,173+59.8% | Added |
| Zimmer Partners, LP | 50,000 | $2.75M | 0.07% | −26,500−34.6% | Reduced |
| Janus Henderson Group PLC | 49,564 | $2.73M | 0.00% | 00.0% | Unchanged |
| Lisanti Capital Growth, LLC | 49,070 | $2.70M | 0.66% | +49,070 | New |
| State of Tennessee, Treasury Department | 48,461 | $2.66M | 0.01% | +1,145+2.4% | Added |
| New York State Common Retirement Fund | 47,875 | $2.63M | 0.00% | +9,308+24.1% | Added |
| Lighthouse Investment Partners, LLC | 47,000 | $2.58M | 0.09% | +12,000+34.3% | Added |
| Stifel Financial Corp | 44,626 | $2.45M | 0.00% | +26,880+151.5% | Added |
| Prudential Financial Inc | 43,326 | $2.38M | 0.00% | +17,105+65.2% | Added |
| Raymond James Financial Inc | 42,208 | $2.32M | 0.00% | +36,759+674.6% | Added |
| Prelude Capital Management, LLC | 41,477 | $2.28M | 0.18% | +5,976+16.8% | Added |
| Simplex Trading, LLC | 41,004 | $2.25M | 0.05% | +41,004 | New |
| Philadelphia Financial Management of San Francisco, LLC | 39,523 | $2.17M | 0.44% | +39,523 | New |
| Intech Investment Management LLC | 38,659 | $2.12M | 0.02% | −14,564−27.4% | Reduced |
| Yousif Capital Management, LLC | 38,639 | $2.12M | 0.02% | −2,538−6.2% | Reduced |
| Pathstone Holdings, LLC | 38,278 | $2.10M | 0.01% | +13,600+55.1% | Added |
| Adage Capital Partners GP, L.L.C. | 38,000 | $2.09M | 0.00% | +38,000 | New |
| Checkpoint Capital L.P. | 37,587 | $2.07M | 0.69% | +37,587 | New |
| Gabelli & Co Investment Advisers, Inc. | 37,478 | $2.06M | 0.33% | +37,478 | New |
| Gabelli Funds LLC | 34,759 | $1.91M | 0.01% | +26,349+313.3% | Added |
| Arizona State Retirement System | 33,546 | $1.84M | 0.01% | +527+1.6% | Added |
| Comerica Bank | 33,356 | $1.83M | 0.01% | −2,904−8.0% | Reduced |
| Louisiana State Employees Retirement System | 33,300 | $1.83M | 0.03% | −300−0.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 32,593 | $1.79M | 0.01% | +6,362+24.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 32,255 | $1.77M | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 32,190 | $1.77M | 0.05% | −2,957−8.4% | Reduced |
| Guggenheim Capital LLC | 30,882 | $1.70M | 0.01% | −7,030−18.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 30,710 | $1.69M | 0.01% | +26+0.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 30,707 | $1.69M | 0.00% | +5,536+22.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 30,504 | $1.68M | 0.01% | +30,504 | New |
| Caption Management, LLC | 30,357 | $1.67M | 0.10% | +11,357+59.8% | Added |
| Birchview Capital, LP | 30,000 | $1.65M | 1.24% | +20,000+200.0% | Added |
| Knott David M Jr | 30,000 | $1.65M | 0.69% | +30,000 | New |
| ProShare Advisors LLC | 29,330 | $1.61M | 0.00% | −4,380−13.0% | Reduced |
| State of Michigan Retirement System | 28,500 | $1.57M | 0.01% | −200−0.7% | Reduced |
| State Board of Administration of Florida Retirement System | 28,486 | $1.57M | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 28,437 | $1.56M | 0.00% | +28,437 | New |
| Teacher Retirement System of Texas | 27,846 | $1.53M | 0.01% | −2,668−8.7% | Reduced |
| Thrivent Financial for Lutherans | 27,491 | $1.51M | 0.00% | −628−2.2% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 26,671 | $1.47M | 0.02% | +50.0% | Added |
| Profund Advisors LLC | 25,930 | $1.43M | 0.05% | −12,518−32.6% | Reduced |
| Federated Hermes, Inc. | 25,794 | $1.42M | 0.00% | +1,405+5.8% | Added |
| Moore Capital Management, LP | 25,000 | $1.37M | 0.03% | −10,000−28.6% | Reduced |
| Great Lakes Advisors, LLC | 24,873 | $1.37M | 0.01% | −7,856−24.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 24,732 | $1.36M | 0.03% | +24,732 | New |
| Bamco Inc | 24,500 | $1.35M | 0.00% | +24,500 | New |
| J. Safra Sarasin Holding AG | 24,467 | $1.34M | 0.02% | −43,723−64.1% | Reduced |
| Jain Global LLC | 24,418 | $1.34M | 0.02% | +24,418 | New |
| Oregon Public Employees Retirement Fund | 24,115 | $1.33M | 0.02% | −300−1.2% | Reduced |
| KLP Kapitalforvaltning AS | 24,000 | $1.32M | 0.01% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 23,500 | $1.29M | 0.04% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 22,562 | $1.24M | 0.00% | +4,089+22.1% | Added |
| NEOS Investment Management LLC | 21,584 | $1.19M | 0.01% | −2,412−10.1% | Reduced |
| Tema ETFs LLC | 21,584 | $1.19M | 0.10% | −2,412−10.1% | Reduced |
| Sanders Morris Harris LLC | 21,505 | $1.18M | 0.16% | +21,505 | New |
| Harvey Capital Management Inc | 21,330 | $1.17M | 0.25% | −600−2.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 20,974 | $1.15M | 0.10% | −3,013−12.6% | Reduced |
| Ensign Peak Advisors, Inc | 20,496 | $1.13M | 0.00% | −183,450−90.0% | Reduced |
| HAP Trading, LLC | 18,760 | $1.03M | 0.28% | +18,760 | New |
| JustInvest LLC | 18,084 | $993.9K | 0.01% | +4,493+33.1% | Added |
| Victory Capital Management Inc | 17,635 | $969.2K | 0.00% | −20,479−53.7% | Reduced |
| Legato Capital Management LLC | 17,603 | $967.5K | 0.11% | +17,603 | New |
| Dana Investment Advisors, Inc. | 17,413 | $957.0K | 0.03% | +811+4.9% | Added |