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 2024
Institutional positions in Cytokinetics Inc as of Mar 31, 2024. 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
- 390
- +44 vs. Q4 2023
- Shares held
- 117.8M
- +3.86M (+3.4%) vs. Q4 2023
- Total value
- $8.26B
- −$1.26B (−13.2%) vs. Q4 2023
- New holders
- 105
- 128 more added
- Sold out
- 61
- 120 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 171,551 | $12.0M | 0.01% | −27,335−13.7% | Reduced |
| Swiss National Bank | 174,200 | $12.2M | 0.01% | +3,900+2.3% | Added |
| American International Group, Inc. | 176,072 | $12.3M | 0.04% | +125,172+245.9% | Added |
| Simplex Trading, LLC | 178,309 | $12.5M | 0.36% | +178,309 | New |
| Checkpoint Capital L.P. | 190,000 | $13.3M | 8.90% | −40,000−17.4% | Reduced |
| Octagon Capital Advisors LP | 194,000 | $13.6M | 1.65% | +78,000+67.2% | Added |
| Rhenman & Partners Asset Management AB | 197,515 | $13.8M | 1.31% | +47,603+31.8% | Added |
| Lord, Abbett & Co. LLC | 198,158 | $13.9M | 0.04% | −1,409,654−87.7% | Reduced |
| Great Point Partners LLC | 202,202 | $14.2M | 2.21% | −297,798−59.6% | Reduced |
| Eagle Asset Management Inc | 195,449 | $14.3M | 0.07% | −8,098−4.0% | Reduced |
| Segantii Capital Management Ltd | 210,000 | $14.7M | 1.45% | +210,000 | New |
| Finepoint Capital LP | 238,046 | $16.7M | 4.28% | −193,647−44.9% | Reduced |
| Standard Life Aberdeen plc | 239,242 | $16.8M | 0.03% | +108,982+83.7% | Added |
| Prosight Management, LP | 245,000 | $17.2M | 4.78% | +245,000 | New |
| Russell Investments Group, Ltd. | 245,641 | $17.2M | 0.03% | −6,481−2.6% | Reduced |
| Hudson Bay Capital Management LP | 247,566 | $17.4M | 0.15% | +247,566 | New |
| Schroder Investment Management Group | 253,487 | $17.8M | 0.02% | +142,340+128.1% | Added |
| Eventide Asset Management, LLC | 254,148 | $17.8M | 0.28% | −301,852−54.3% | Reduced |
| Pinnacle Associates Ltd | 257,167 | $18.0M | 0.28% | −1,191−0.5% | Reduced |
| Saturn V Capital Management LLC | 263,701 | $18.5M | 7.41% | −184,443−41.2% | Reduced |
| Caption Management, LLC | 265,554 | $18.6M | 2.05% | −154,805−36.8% | Reduced |
| Superstring Capital Management LP | 278,915 | $19.6M | 12.93% | +101,312+57.0% | Added |
| Sphera Funds Management Ltd. | 281,671 | $19.7M | 3.20% | +57,851+25.8% | Added |
| TD Asset Management Inc | 284,520 | $19.9M | 0.02% | +102,480+56.3% | Added |
| Voya Investment Management LLC | 287,567 | $20.2M | 0.02% | +103,969+56.6% | Added |
| Ameriprise Financial Inc | 294,023 | $20.6M | 0.01% | −43,232−12.8% | Reduced |
| UBS Group AG | 298,744 | $20.9M | 0.01% | +24,436+8.9% | Added |
| Sarissa Capital Management LP | 300,000 | $21.0M | 3.68% | +300,000 | New |
| Iron Triangle Partners LP | 300,000 | $21.0M | 2.18% | +300,000 | New |
| Rhumbline Advisers | 306,639 | $21.5M | 0.02% | +24,797+8.8% | Added |
| Jane Street Group, LLC | 307,567 | $21.6M | 0.03% | +218,986+247.2% | Added |
| ADAR1 Capital Management, LLC | 319,510 | $22.4M | 6.12% | +227,428+247.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 354,498 | $24.9M | 0.07% | −112,580−24.1% | Reduced |
| Point72 Asset Management, L.P. | 364,709 | $25.6M | 0.07% | +207,609+132.2% | Added |
| Renaissance Technologies LLC | 365,967 | $25.7M | 0.04% | +330,000+917.5% | Added |
| HAP Trading, LLC | 395,529 | $27.7M | 8.59% | +395,529 | New |
| DAFNA Capital Management LLC | 398,100 | $27.9M | 6.35% | −1,900−0.5% | Reduced |
| American Century Companies Inc | 415,854 | $29.2M | 0.02% | −551,146−57.0% | Reduced |
| Ensign Peak Advisors, Inc | 424,259 | $29.7M | 0.05% | −1,604−0.4% | Reduced |
| First Turn Management, LLC | 430,349 | $30.2M | 4.51% | −377,095−46.7% | Reduced |
| HRT Financial LP | 430,821 | $30.2M | 0.19% | +387,904+903.8% | Added |
| Principal Financial Group Inc | 431,556 | $30.3M | 0.02% | −89,616−17.2% | Reduced |
| Integral Health Asset Management, LLC | 450,000 | $31.5M | 3.10% | +250,000+125.0% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 461,018 | $32.3M | 4.98% | +116,534+33.8% | Added |
| Readystate Asset Management LP | 465,498 | $32.6M | 1.16% | +409,198+726.8% | Added |
| Candriam Luxembourg S.C.A. | 493,029 | $34.6M | 0.22% | +225,789+84.5% | Added |
| Nuveen Asset Management, LLC | 499,601 | $35.0M | 0.01% | +156,000+45.4% | Added |
| Artal Group S.A. | 506,584 | $35.5M | 0.92% | −707,700−58.3% | Reduced |
| Laurion Capital Management LP | 519,918 | $36.5M | 1.01% | +519,918 | New |
| Fisher Asset Management, LLC | 538,797 | $37.8M | 0.02% | +2,751+0.5% | Added |
| Citadel Advisors LLC | 560,902 | $39.3M | 0.04% | +288,309+105.8% | Added |
| Franklin Resources Inc | 565,296 | $39.6M | 0.01% | −95,386−14.4% | Reduced |
| Susquehanna International Group, LLP | 576,477 | $40.4M | 0.06% | −59,025−9.3% | Reduced |
| Balyasny Asset Management LLC | 675,062 | $47.3M | 0.12% | +261,925+63.4% | Added |
| OrbiMed Advisors LLC | 682,700 | $47.9M | 0.94% | +682,700 | New |
| JPMorgan Chase & Co | 688,104 | $48.2M | 0.00% | +403,704+141.9% | Added |
| Goldman Sachs Group Inc | 691,449 | $48.5M | 0.01% | −123,995−15.2% | Reduced |
| Hood River Capital Management LLC | 696,647 | $48.8M | 1.09% | +135,666+24.2% | Added |
| Westfield Capital Management Co LP | 731,386 | $51.3M | 0.27% | +731,386 | New |
| Brown Advisory Inc | 759,534 | $53.3M | 0.07% | +759,534 | New |
| Voloridge Investment Management, LLC | 760,319 | $53.3M | 0.19% | +760,319 | New |
| Barclays PLC | 762,247 | $53.4M | 0.02% | +297,524+64.0% | Added |
| Charles Schwab Investment Management Inc | 775,556 | $54.4M | 0.01% | −14,413−1.8% | Reduced |
| Janus Henderson Group PLC | 797,372 | $55.9M | 0.03% | −1,771,033−69.0% | Reduced |
| Millennium Management LLC | 810,910 | $56.9M | 0.05% | −388,431−32.4% | Reduced |
| Bank of New York Mellon Corp | 900,054 | $63.1M | 0.01% | −285,782−24.1% | Reduced |
| Morgan Stanley | 954,858 | $66.9M | 0.01% | −1,446,724−60.2% | Reduced |
| Norges Bank | 982,761 | $68.9M | 0.01% | +260,532+36.1% | Added |
| Melqart Asset Management (UK) Ltd | 983,395 | $68.9M | 5.13% | +983,395 | New |
| Pentwater Capital Management LP | 1,080,000 | $75.7M | 1.24% | +1,080,000 | New |
| Northern Trust Corp | 1,111,440 | $77.9M | 0.01% | +55,463+5.3% | Added |
| Invesco Ltd. | 1,317,538 | $92.4M | 0.02% | +74,558+6.0% | Added |
| Armistice Capital, LLC | 1,525,688 | $107.0M | 2.85% | +1,525,688 | New |
| Polar Capital Holdings Plc | 1,605,576 | $112.6M | 0.68% | +188,522+13.3% | Added |
| Pictet Asset Management Holding SA | 1,753,646 | $123.1M | 0.13% | +381,402+27.8% | Added |
| PFM Health Sciences, LP | 1,757,192 | $123.2M | 6.13% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 1,770,065 | $124.1M | 0.04% | +1,647,818+1,347.9% | Added |
| Boxer Capital, LLC | 2,100,000 | $147.2M | 7.27% | 00.0% | Unchanged |
| Vestal Point Capital, LP | 2,150,000 | $150.7M | 12.47% | +2,100,000+4,200.0% | Added |
| Geode Capital Management, LLC | 2,247,165 | $157.6M | 0.01% | +157,040+7.5% | Added |
| RTW Investments, LP | 2,525,080 | $177.0M | 2.61% | 00.0% | Unchanged |
| Marshall Wace, LLP | 2,556,803 | $179.3M | 0.30% | +1,930,716+308.4% | Added |
| Price T Rowe Associates Inc | 2,930,948 | $205.5M | 0.03% | −313,302−9.7% | Reduced |
| Wellington Management Group LLP | 3,981,460 | $279.1M | 0.05% | −2,507,040−38.6% | Reduced |
| State Street Corp | 4,520,358 | $316.9M | 0.01% | −1,373,000−23.3% | Reduced |
| Bank of America Corp | 4,777,628 | $335.0M | 0.03% | +4,510,857+1,690.9% | Added |
| T. Rowe Price Investment Management, Inc. | 5,121,589 | $359.1M | 0.22% | +2,892,104+129.7% | Added |
| Vanguard Group Inc | 9,997,076 | $700.9M | 0.01% | −1,019,813−9.3% | Reduced |
| FMR LLC | 10,901,143 | $764.3M | 0.05% | −2,106,640−16.2% | Reduced |
| BlackRock Inc. | 12,414,773 | $870.4M | 0.02% | −3,687,297−22.9% | Reduced |
| Darwin Global Management, Ltd. | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −554,658−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −414,207−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −315,831−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −288,949−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −220,384−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −203,472−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −116,901−100.0% | Sold out |
| Nantahala Capital Management, LLC | 0 | $0 | 0.00% | −110,017−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −102,572−100.0% | Sold out |