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, Q1 2025
Institutional positions in Cytokinetics Inc as of Mar 31, 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
- 356
- +12 vs. Q4 2024
- Shares held
- 136.3M
- +5.32M (+4.1%) vs. Q4 2024
- Total value
- $5.48B
- −$684.2M (−11.1%) vs. Q4 2024
- New holders
- 56
- 140 more added
- Sold out
- 44
- 109 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ameritas Investment Partners, Inc. | 34,892 | $1.40M | 0.05% | −703−2.0% | Reduced |
| Moore Capital Management, LP | 35,000 | $1.41M | 0.05% | 00.0% | Unchanged |
| ProShare Advisors LLC | 35,115 | $1.41M | 0.00% | −8,184−18.9% | Reduced |
| Prudential Financial Inc | 35,226 | $1.42M | 0.00% | +9,890+39.0% | Added |
| New York State Common Retirement Fund | 35,567 | $1.43M | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 36,168 | $1.45M | 0.00% | +36,168 | New |
| Guggenheim Capital LLC | 36,703 | $1.48M | 0.01% | +715+2.0% | Added |
| Parallax Volatility Advisers, L.P. | 38,562 | $1.55M | 0.05% | −4,221−9.9% | Reduced |
| CM Management, LLC | 40,000 | $1.61M | 1.62% | +40,000 | New |
| State of New Jersey Common Pension Fund D | 41,032 | $1.65M | 0.01% | −4,846−10.6% | Reduced |
| Yousif Capital Management, LLC | 41,660 | $1.67M | 0.02% | −1,126−2.6% | Reduced |
| Two Sigma Investments, LP | 44,156 | $1.77M | 0.00% | −47,015−51.6% | Reduced |
| HighVista Strategies LLC | 44,749 | $1.80M | 0.69% | +30,488+213.8% | Added |
| Natixis Advisors, L.P. | 45,465 | $1.83M | 0.00% | +11,806+35.1% | Added |
| State of Tennessee, Treasury Department | 47,316 | $1.90M | 0.01% | +2,450+5.5% | Added |
| Panagora Asset Management Inc | 47,354 | $1.90M | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 49,438 | $1.99M | 0.00% | −43,543−46.8% | Reduced |
| Cinctive Capital Management LP | 52,321 | $2.10M | 0.17% | +52,321 | New |
| Amalgamated Bank | 52,565 | $2.11M | 0.02% | −1,057−2.0% | Reduced |
| Harbor Capital Advisors, Inc. | 53,113 | $2.13M | 0.10% | +7,983+17.7% | Added |
| Royal Bank of Canada | 53,547 | $2.15M | 0.00% | +9,422+21.4% | Added |
| Capital Fund Management S.A. | 55,264 | $2.22M | 0.03% | +14,818+36.6% | Added |
| Voya Investment Management LLC | 55,846 | $2.24M | 0.00% | −24,617−30.6% | Reduced |
| Caption Management, LLC | 58,739 | $2.36M | 0.11% | +3,909+7.1% | Added |
| Ironwood Investment Management LLC | 59,841 | $2.41M | 1.31% | +756+1.3% | Added |
| Teachers Retirement System of the State of Kentucky | 60,357 | $2.43M | 0.02% | +5,282+9.6% | Added |
| Mutual of America Capital Management LLC | 60,739 | $2.44M | 0.03% | −1,600−2.6% | Reduced |
| DekaBank Deutsche Girozentrale | 57,500 | $2.45M | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 60,450 | $2.61M | 0.03% | 00.0% | Unchanged |
| Intech Investment Management LLC | 67,261 | $2.70M | 0.03% | +16,988+33.8% | Added |
| Great West Life Assurance Co | 69,032 | $2.77M | 0.00% | −7,428−9.7% | Reduced |
| Segall Bryant & Hamill, LLC | 69,543 | $2.79M | 0.04% | −1,957−2.7% | Reduced |
| Allostery Investments LP | 70,000 | $2.81M | 4.06% | +5,000+7.7% | Added |
| Superstring Capital Management LP | 72,992 | $2.93M | 3.50% | −56,397−43.6% | Reduced |
| Wells Fargo & Company | 73,966 | $2.97M | 0.00% | +184+0.2% | Added |
| Macquarie Group Ltd | 74,406 | $2.99M | 0.00% | −1,027−1.4% | Reduced |
| Aquatic Capital Management LLC | 74,833 | $3.01M | 0.08% | −100,720−57.4% | Reduced |
| Alyeska Investment Group, L.P. | 75,000 | $3.01M | 0.01% | −75,000−50.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 74,918 | $3.03M | 0.01% | +3,260+4.5% | Added |
| State of Wisconsin Investment Board | 77,895 | $3.13M | 0.01% | +4,269+5.8% | Added |
| Murchinson Ltd. | 78,795 | $3.17M | 0.55% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 80,359 | $3.23M | 0.54% | −3,503−4.2% | Reduced |
| Two Sigma Advisers, LP | 80,400 | $3.23M | 0.01% | −146,000−64.5% | Reduced |
| Redmile Group, LLC | 82,098 | $3.30M | 0.31% | −10,500−11.3% | Reduced |
| Zimmer Partners, LP | 82,132 | $3.30M | 0.07% | +44,132+116.1% | Added |
| Boothbay Fund Management, LLC | 82,200 | $3.30M | 0.12% | −1,170−1.4% | Reduced |
| ExodusPoint Capital Management, LP | 85,863 | $3.45M | 0.05% | +76,539+820.9% | Added |
| SEI Investments Co | 91,350 | $3.67M | 0.00% | +1,790+2.0% | Added |
| Mirador Capital Partners LP | 99,125 | $3.98M | 0.70% | +33,489+51.0% | Added |
| Tang Capital Management LLC | 100,000 | $4.02M | 0.22% | 00.0% | Unchanged |
| Decheng Capital LLC | 100,000 | $4.02M | 1.13% | 00.0% | Unchanged |
| Exome Asset Management LLC | 103,483 | $4.16M | 3.73% | +37,600+57.1% | Added |
| California State Teachers Retirement System | 103,512 | $4.16M | 0.01% | −1,206−1.2% | Reduced |
| Squarepoint Ops LLC | 103,878 | $4.17M | 0.01% | +84,039+423.6% | Added |
| Rhenman & Partners Asset Management AB | 104,250 | $4.19M | 0.48% | −45,000−30.2% | Reduced |
| New York State Teachers Retirement System | 114,100 | $4.59M | 0.01% | +200+0.2% | Added |
| Algert Global LLC | 116,320 | $4.67M | 0.12% | +57,640+98.2% | Added |
| Qube Research & Technologies Ltd | 117,220 | $4.71M | 0.01% | +53,690+84.5% | Added |
| AXA S.A. | 119,873 | $4.82M | 0.02% | −151−0.1% | Reduced |
| Renaissance Technologies LLC | 120,667 | $4.85M | 0.01% | −71,500−37.2% | Reduced |
| California Public Employees Retirement System | 128,691 | $5.17M | 0.00% | −6,782−5.0% | Reduced |
| Quinn Opportunity Partners LLC | 129,939 | $5.22M | 0.37% | +14,000+12.1% | Added |
| MetLife Investment Management | 130,022 | $5.23M | 0.03% | −3,680−2.8% | Reduced |
| Retirement Systems of Alabama | 143,637 | $5.77M | 0.02% | +142+0.1% | Added |
| Sphera Funds Management Ltd. | 144,961 | $5.83M | 1.44% | −8,060−5.3% | Reduced |
| Candriam Luxembourg S.C.A. | 145,191 | $5.84M | 0.04% | −25,369−14.9% | Reduced |
| Hudson Bay Capital Management LP | 147,263 | $5.92M | 0.04% | +5,994+4.2% | Added |
| Readystate Asset Management LP | 148,169 | $5.95M | 0.30% | +87,194+143.0% | Added |
| Rafferty Asset Management, LLC | 149,507 | $6.01M | 0.03% | −18,428−11.0% | Reduced |
| StemPoint Capital LP | 149,648 | $6.01M | 1.92% | +66,072+79.1% | Added |
| Ikarian Capital, LLC | 149,982 | $6.03M | 1.96% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 150,908 | $6.06M | 0.03% | −31,218−17.1% | Reduced |
| Peregrine Capital Management LLC | 155,737 | $6.26M | 0.21% | +5,394+3.6% | Added |
| Deutsche Bank AG | 158,549 | $6.37M | 0.00% | −21,363−11.9% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 161,285 | $6.48M | 1.34% | −167,851−51.0% | Reduced |
| Clearline Capital LP | 166,477 | $6.69M | 0.68% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 167,684 | $6.74M | 0.01% | −20,854−11.1% | Reduced |
| Impax Asset Management Group plc | 175,000 | $7.03M | 0.04% | 00.0% | Unchanged |
| Cutter Capital Management, LP | 175,000 | $7.03M | 3.06% | +175,000 | New |
| Schonfeld Strategic Advisors LLC | 175,478 | $7.05M | 0.05% | +175,478 | New |
| Legal & General Group Plc | 177,881 | $7.15M | 0.00% | −751−0.4% | Reduced |
| Corebridge Financial, Inc. | 185,551 | $7.46M | 0.04% | −3,989−2.1% | Reduced |
| Group One Trading, L.P. | 204,512 | $8.22M | 0.34% | +204,512 | New |
| Davidson Kempner Capital Management LP | 206,844 | $8.31M | 0.12% | +27,783+15.5% | Added |
| Woodline Partners LP | 212,303 | $8.53M | 0.06% | +86,102+68.2% | Added |
| Swiss National Bank | 217,200 | $8.73M | 0.01% | −2,600−1.2% | Reduced |
| Pentwater Capital Management LP | 220,000 | $8.84M | 0.12% | −870,000−79.8% | Reduced |
| BNP Paribas Arbitrage, SA | 237,598 | $9.55M | 0.01% | +212,951+864.0% | Added |
| Comerica Bank | 243,109 | $9.77M | 0.04% | +7,645+3.2% | Added |
| Thornburg Investment Management Inc | 260,893 | $10.5M | 0.15% | −20,969−7.4% | Reduced |
| Pinnacle Associates Ltd | 270,435 | $10.9M | 0.16% | −15,097−5.3% | Reduced |
| Millennium Management LLC | 287,901 | $11.6M | 0.01% | +237,376+469.8% | Added |
| Citigroup Inc | 305,595 | $12.3M | 0.01% | +10,465+3.5% | Added |
| UBS Asset Management Americas Inc | 308,896 | $12.4M | 0.00% | −6,354−2.0% | Reduced |
| Barclays PLC | 309,492 | $12.4M | 0.01% | −78,641−20.3% | Reduced |
| Finepoint Capital LP | 309,948 | $12.5M | 2.10% | −8,500−2.7% | Reduced |
| Massachusetts Financial Services Co | 319,533 | $12.8M | 0.00% | +252+0.1% | Added |
| E. Ohman J:or Asset Management AB | 329,231 | $13.2M | 0.35% | +329,231 | New |
| Nuveen, LLC | 351,368 | $14.1M | 0.00% | +351,368 | New |
| American Century Companies Inc | 361,388 | $14.5M | 0.01% | +4,812+1.3% | Added |