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, 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 | 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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,563,778 | $625.5M | 0.01% | +94,400+0.6% | Added |
| Vanguard Group Inc | 11,849,547 | $476.2M | 0.01% | −66,274−0.6% | Reduced |
| FMR LLC | 10,316,131 | $414.6M | 0.03% | −478,555−4.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 9,955,251 | $400.1M | 0.26% | −796,872−7.4% | Reduced |
| Wellington Management Group LLP | 7,988,740 | $321.1M | 0.06% | +100,043+1.3% | Added |
| State Street Corp | 6,085,001 | $244.6M | 0.01% | −82,339−1.3% | Reduced |
| Deep Track Capital, LP | 3,073,853 | $123.5M | 4.00% | +573,853+23.0% | Added |
| Geode Capital Management, LLC | 2,937,484 | $118.1M | 0.01% | +96,146+3.4% | Added |
| RTW Investments, LP | 2,721,158 | $109.4M | 1.67% | 00.0% | Unchanged |
| Bank of America Corp | 2,702,874 | $108.6M | 0.01% | +2,483,753+1,133.5% | Added |
| Vestal Point Capital, LP | 2,590,531 | $104.1M | 7.43% | +240,531+10.2% | Added |
| Polar Capital Holdings Plc | 2,455,737 | $98.7M | 0.61% | +259,016+11.8% | Added |
| UBS Group AG | 2,134,219 | $85.8M | 0.02% | +932,220+77.6% | Added |
| Marshall Wace, LLP | 2,028,792 | $81.5M | 0.11% | −124,521−5.8% | Reduced |
| Price T Rowe Associates Inc | 1,993,896 | $80.1M | 0.01% | −631,185−24.0% | Reduced |
| Pictet Asset Management Holding SA | 1,956,327 | $78.9M | 0.09% | +44,328+2.3% | Added |
| Point72 Asset Management, L.P. | 1,722,984 | $69.2M | 0.19% | +1,553,071+914.0% | Added |
| Alliancebernstein L.P. | 1,523,440 | $61.2M | 0.02% | −71,884−4.5% | Reduced |
| OrbiMed Advisors LLC | 1,509,205 | $60.7M | 1.46% | −74,800−4.7% | Reduced |
| Northern Trust Corp | 1,447,316 | $58.2M | 0.01% | −24,173−1.6% | Reduced |
| Goldman Sachs Group Inc | 1,362,958 | $54.8M | 0.01% | +157,527+13.1% | Added |
| JPMorgan Chase & Co | 1,325,408 | $53.3M | 0.00% | −292,994−18.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,312,857 | $52.8M | 0.01% | −22,332−1.7% | Reduced |
| Westfield Capital Management Co LP | 1,310,336 | $52.7M | 0.26% | +30,346+2.4% | Added |
| Hood River Capital Management LLC | 1,256,580 | $50.5M | 0.86% | +267,332+27.0% | Added |
| Norges Bank | 1,176,919 | $47.3M | 0.01% | +187,198+18.9% | Added |
| Capital International Investors | 1,168,110 | $46.9M | 0.01% | +71,946+6.6% | Added |
| Citadel Advisors LLC | 1,150,514 | $46.2M | 0.05% | −221,131−16.1% | Reduced |
| Janus Henderson Group PLC | 1,057,146 | $45.7M | 0.03% | +32,729+3.2% | Added |
| Integral Health Asset Management, LLC | 1,100,000 | $44.2M | 4.90% | +100,000+10.0% | Added |
| Brown Advisory Inc | 1,086,300 | $43.7M | 0.06% | +9,869+0.9% | Added |
| Armistice Capital, LLC | 1,023,390 | $41.1M | 1.10% | −288,610−22.0% | Reduced |
| Morgan Stanley | 1,011,745 | $40.7M | 0.00% | −241,243−19.3% | Reduced |
| Melqart Asset Management (UK) Ltd | 999,447 | $40.2M | 5.43% | −136,987−12.1% | Reduced |
| RP Management, LLC | 980,392 | $39.4M | 28.38% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 870,968 | $35.0M | 0.01% | −22,830−2.6% | Reduced |
| Paradigm Biocapital Advisors LP | 858,664 | $34.5M | 1.59% | +858,664 | New |
| Fisher Asset Management, LLC | 793,458 | $31.9M | 0.01% | +176,966+28.7% | Added |
| Ameriprise Financial Inc | 786,583 | $31.6M | 0.01% | +34,182+4.5% | Added |
| Jane Street Group, LLC | 755,706 | $30.4M | 0.05% | +647,584+598.9% | Added |
| Jennison Associates LLC | 673,932 | $27.1M | 0.02% | +673,932 | New |
| Principal Financial Group Inc | 629,911 | $25.3M | 0.01% | +358,778+132.3% | Added |
| Standard Life Aberdeen plc | 602,421 | $24.2M | 0.05% | +151,908+33.7% | Added |
| Sarissa Capital Management LP | 600,000 | $24.1M | 15.59% | −233,799−28.0% | Reduced |
| Catalio Capital Management, LP | 585,812 | $23.5M | 5.84% | +128,225+28.0% | Added |
| Susquehanna International Group, LLP | 539,110 | $21.7M | 0.04% | +399,993+287.5% | Added |
| Franklin Resources Inc | 537,624 | $21.6M | 0.01% | −8,189−1.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 522,468 | $21.0M | 0.06% | +33,106+6.8% | Added |
| Invesco Ltd. | 501,882 | $20.2M | 0.00% | −15,883−3.1% | Reduced |
| TD Asset Management Inc | 446,828 | $18.0M | 0.02% | −77,806−14.8% | Reduced |
| DAFNA Capital Management LLC | 398,100 | $16.0M | 4.54% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 390,729 | $15.7M | 3.02% | −23,480−5.7% | Reduced |
| Eventide Asset Management, LLC | 382,696 | $15.4M | 0.31% | +128,548+50.6% | Added |
| Rhumbline Advisers | 373,855 | $15.0M | 0.01% | −10,028−2.6% | Reduced |
| Schroder Investment Management Group | 345,598 | $14.9M | 0.02% | +196,165+131.3% | Added |
| Great Point Partners LLC | 370,000 | $14.9M | 8.08% | +10,000+2.8% | Added |
| American Century Companies Inc | 361,388 | $14.5M | 0.01% | +4,812+1.3% | Added |
| Nuveen, LLC | 351,368 | $14.1M | 0.00% | +351,368 | New |
| E. Ohman J:or Asset Management AB | 329,231 | $13.2M | 0.35% | +329,231 | New |
| Massachusetts Financial Services Co | 319,533 | $12.8M | 0.00% | +252+0.1% | Added |
| Finepoint Capital LP | 309,948 | $12.5M | 2.10% | −8,500−2.7% | Reduced |
| Barclays PLC | 309,492 | $12.4M | 0.01% | −78,641−20.3% | Reduced |
| UBS Asset Management Americas Inc | 308,896 | $12.4M | 0.00% | −6,354−2.0% | Reduced |
| Citigroup Inc | 305,595 | $12.3M | 0.01% | +10,465+3.5% | Added |
| Millennium Management LLC | 287,901 | $11.6M | 0.01% | +237,376+469.8% | Added |
| Pinnacle Associates Ltd | 270,435 | $10.9M | 0.16% | −15,097−5.3% | Reduced |
| Thornburg Investment Management Inc | 260,893 | $10.5M | 0.15% | −20,969−7.4% | Reduced |
| Comerica Bank | 243,109 | $9.77M | 0.04% | +7,645+3.2% | Added |
| BNP Paribas Arbitrage, SA | 237,598 | $9.55M | 0.01% | +212,951+864.0% | Added |
| Pentwater Capital Management LP | 220,000 | $8.84M | 0.12% | −870,000−79.8% | Reduced |
| Swiss National Bank | 217,200 | $8.73M | 0.01% | −2,600−1.2% | Reduced |
| Woodline Partners LP | 212,303 | $8.53M | 0.06% | +86,102+68.2% | Added |
| Davidson Kempner Capital Management LP | 206,844 | $8.31M | 0.12% | +27,783+15.5% | Added |
| Group One Trading, L.P. | 204,512 | $8.22M | 0.34% | +204,512 | New |
| Corebridge Financial, Inc. | 185,551 | $7.46M | 0.04% | −3,989−2.1% | Reduced |
| Legal & General Group Plc | 177,881 | $7.15M | 0.00% | −751−0.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 175,478 | $7.05M | 0.05% | +175,478 | New |
| 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 |
| Manufacturers Life Insurance Company, The | 167,684 | $6.74M | 0.01% | −20,854−11.1% | Reduced |
| Clearline Capital LP | 166,477 | $6.69M | 0.68% | 00.0% | Unchanged |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 161,285 | $6.48M | 1.34% | −167,851−51.0% | Reduced |
| Deutsche Bank AG | 158,549 | $6.37M | 0.00% | −21,363−11.9% | Reduced |
| Peregrine Capital Management LLC | 155,737 | $6.26M | 0.21% | +5,394+3.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 150,908 | $6.06M | 0.03% | −31,218−17.1% | Reduced |
| Ikarian Capital, LLC | 149,982 | $6.03M | 1.96% | 00.0% | Unchanged |
| StemPoint Capital LP | 149,648 | $6.01M | 1.92% | +66,072+79.1% | Added |
| Rafferty Asset Management, LLC | 149,507 | $6.01M | 0.03% | −18,428−11.0% | Reduced |
| Readystate Asset Management LP | 148,169 | $5.95M | 0.30% | +87,194+143.0% | Added |
| Hudson Bay Capital Management LP | 147,263 | $5.92M | 0.04% | +5,994+4.2% | Added |
| Candriam Luxembourg S.C.A. | 145,191 | $5.84M | 0.04% | −25,369−14.9% | Reduced |
| Sphera Funds Management Ltd. | 144,961 | $5.83M | 1.44% | −8,060−5.3% | Reduced |
| Retirement Systems of Alabama | 143,637 | $5.77M | 0.02% | +142+0.1% | Added |
| MetLife Investment Management | 130,022 | $5.23M | 0.03% | −3,680−2.8% | Reduced |
| Quinn Opportunity Partners LLC | 129,939 | $5.22M | 0.37% | +14,000+12.1% | Added |
| California Public Employees Retirement System | 128,691 | $5.17M | 0.00% | −6,782−5.0% | Reduced |
| Renaissance Technologies LLC | 120,667 | $4.85M | 0.01% | −71,500−37.2% | Reduced |
| AXA S.A. | 119,873 | $4.82M | 0.02% | −151−0.1% | Reduced |
| Qube Research & Technologies Ltd | 117,220 | $4.71M | 0.01% | +53,690+84.5% | Added |
| Algert Global LLC | 116,320 | $4.67M | 0.12% | +57,640+98.2% | Added |