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, 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 |
|---|---|---|---|---|---|
| Zimmer Partners, LP | 76,500 | $2.53M | 0.06% | −5,632−6.9% | Reduced |
| EFG Asset Management (North America) Corp. | 76,257 | $2.52M | 0.36% | −4,102−5.1% | Reduced |
| Thornburg Investment Management Inc | 72,879 | $2.41M | 0.03% | −188,014−72.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 72,310 | $2.39M | 0.00% | −2,608−3.5% | Reduced |
| HighVista Strategies LLC | 68,652 | $2.27M | 0.83% | +23,903+53.4% | Added |
| J. Safra Sarasin Holding AG | 68,190 | $2.25M | 0.04% | +40,399+145.4% | Added |
| Alps Advisors Inc | 64,392 | $2.13M | 0.01% | +64,392 | New |
| State of New Jersey Common Pension Fund D | 61,783 | $2.04M | 0.01% | +20,751+50.6% | Added |
| Superstring Capital Management LP | 61,103 | $2.02M | 2.52% | −11,889−16.3% | Reduced |
| Algert Global LLC | 60,390 | $2.00M | 0.04% | −55,930−48.1% | Reduced |
| Mutual of America Capital Management LLC | 59,391 | $1.96M | 0.02% | −1,348−2.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 58,640 | $1.94M | 0.02% | −1,717−2.8% | Reduced |
| DekaBank Deutsche Girozentrale | 57,500 | $1.90M | 0.00% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 57,516 | $1.90M | 0.92% | −2,325−3.9% | Reduced |
| SEI Investments Co | 56,405 | $1.86M | 0.00% | −34,945−38.3% | Reduced |
| Intech Investment Management LLC | 53,223 | $1.76M | 0.02% | −14,038−20.9% | Reduced |
| Amalgamated Bank | 52,339 | $1.73M | 0.01% | −226−0.4% | Reduced |
| Janus Henderson Group PLC | 49,564 | $1.64M | 0.00% | −1,007,582−95.3% | Reduced |
| Creative Planning | 48,062 | $1.59M | 0.00% | +14,485+43.1% | Added |
| State of Tennessee, Treasury Department | 47,316 | $1.56M | 0.01% | 00.0% | Unchanged |
| Congress Wealth Management LLC | 46,130 | $1.52M | 0.01% | +18,130+64.8% | Added |
| Royal Bank of Canada | 45,891 | $1.51M | 0.00% | −7,656−14.3% | Reduced |
| Panagora Asset Management Inc | 44,635 | $1.47M | 0.01% | −2,719−5.7% | Reduced |
| Monaco Asset Management SAM | 42,500 | $1.40M | 0.53% | +42,500 | New |
| Yousif Capital Management, LLC | 41,177 | $1.36M | 0.01% | −483−1.2% | Reduced |
| Voya Investment Management LLC | 40,762 | $1.35M | 0.00% | −15,084−27.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 39,389 | $1.30M | 0.01% | −111,519−73.9% | Reduced |
| New York State Common Retirement Fund | 38,567 | $1.27M | 0.00% | +3,000+8.4% | Added |
| Profund Advisors LLC | 38,448 | $1.27M | 0.05% | +4,413+13.0% | Added |
| Victory Capital Management Inc | 38,114 | $1.26M | 0.00% | +16,538+76.6% | Added |
| Guggenheim Capital LLC | 37,912 | $1.25M | 0.01% | +1,209+3.3% | Added |
| Comerica Bank | 36,260 | $1.20M | 0.00% | −206,849−85.1% | Reduced |
| Zweig-DiMenna Associates LLC | 35,600 | $1.18M | 0.12% | +35,600 | New |
| Prelude Capital Management, LLC | 35,501 | $1.17M | 0.11% | +6,947+24.3% | Added |
| Ameritas Investment Partners, Inc. | 35,147 | $1.16M | 0.04% | +255+0.7% | Added |
| Moore Capital Management, LP | 35,000 | $1.16M | 0.02% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 35,000 | $1.16M | 0.05% | +35,000 | New |
| ProShare Advisors LLC | 33,710 | $1.11M | 0.00% | −1,405−4.0% | Reduced |
| J. Goldman & Co LP | 33,636 | $1.11M | 0.03% | +33,636 | New |
| Louisiana State Employees Retirement System | 33,600 | $1.11M | 0.02% | +500+1.5% | Added |
| Arizona State Retirement System | 33,019 | $1.09M | 0.01% | +877+2.7% | Added |
| Great Lakes Advisors, LLC | 32,729 | $1.08M | 0.01% | −1,097−3.2% | Reduced |
| Handelsbanken Fonder AB | 32,300 | $1.07M | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 32,255 | $1.07M | 0.00% | +2,994+10.2% | Added |
| Dimensional Fund Advisors LP | 32,086 | $1.06M | 0.00% | +1,052+3.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 30,684 | $1.01M | 0.01% | +2,474+8.8% | Added |
| Teacher Retirement System of Texas | 30,514 | $1.01M | 0.00% | +341+1.1% | Added |
| Envestnet Asset Management Inc | 29,467 | $973.6K | 0.00% | +5,146+21.2% | Added |
| Ontario Teachers Pension Plan Board | 29,135 | $962.6K | 0.02% | +14,192+95.0% | Added |
| State of Michigan Retirement System | 28,700 | $948.2K | 0.00% | +500+1.8% | Added |
| State Board of Administration of Florida Retirement System | 28,486 | $941.2K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 28,159 | $930.4K | 0.05% | +3,904+16.1% | Added |
| Thrivent Financial for Lutherans | 28,119 | $929.0K | 0.00% | +449+1.6% | Added |
| Northwestern Mutual Investment Management Company, LLC | 26,666 | $881.0K | 0.01% | +427+1.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 26,231 | $866.7K | 0.01% | +1,320+5.3% | Added |
| Prudential Financial Inc | 26,221 | $866.3K | 0.00% | −9,005−25.6% | Reduced |
| Wolverine Trading, LLC | 25,808 | $855.8K | 0.02% | +12,742+97.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 25,171 | $831.6K | 0.00% | +236+0.9% | Added |
| Pathstone Holdings, LLC | 24,678 | $815.4K | 0.00% | −5,441−18.1% | Reduced |
| Oregon Public Employees Retirement Fund | 24,415 | $806.7K | 0.01% | +400+1.7% | Added |
| Federated Hermes, Inc. | 24,389 | $805.8K | 0.00% | −9,656−28.4% | Reduced |
| KLP Kapitalforvaltning AS | 24,000 | $793.0K | 0.00% | +400+1.7% | Added |
| NEOS Investment Management LLC | 23,996 | $792.8K | 0.01% | −8,592−26.4% | Reduced |
| Tema ETFs LLC | 23,996 | $792.8K | 0.21% | −8,592−26.4% | Reduced |
| China Universal Asset Management Co., Ltd. | 23,987 | $792.5K | 0.07% | +236+1.0% | Added |
| New Mexico Educational Retirement Board | 23,500 | $776.0K | 0.03% | 00.0% | Unchanged |
| Nomura Holdings Inc | 23,310 | $770.2K | 0.01% | −5,222−18.3% | Reduced |
| Harvey Capital Management Inc | 21,930 | $737.7K | 0.17% | −650−2.9% | Reduced |
| Marshall Wace, LLP | 21,225 | $701.3K | 0.00% | −2,007,567−99.0% | Reduced |
| Carlson Capital L P | 20,500 | $677.3K | 0.39% | +13,000+173.3% | Added |
| LPL Financial LLC | 19,778 | $653.4K | 0.00% | +4,917+33.1% | Added |
| D. E. Shaw & Co., Inc. | 19,084 | $630.5K | 0.00% | +5,782+43.5% | Added |
| Caption Management, LLC | 19,000 | $627.8K | 0.06% | −39,739−67.7% | Reduced |
| E Fund Management Co., Ltd. | 18,919 | $625.1K | 0.03% | +5,136+37.3% | Added |
| Natixis Advisors, L.P. | 18,473 | $610.0K | 0.00% | −26,992−59.4% | Reduced |
| Squarepoint Ops LLC | 18,398 | $607.9K | 0.00% | −85,480−82.3% | Reduced |
| Tejara Capital Ltd | 18,300 | $604.6K | 0.28% | +18,300 | New |
| Stifel Financial Corp | 17,746 | $586.3K | 0.00% | −968−5.2% | Reduced |
| Xponance, Inc. | 16,710 | $552.1K | 0.00% | +149+0.9% | Added |
| Dana Investment Advisors, Inc. | 16,602 | $548.5K | 0.02% | −401−2.4% | Reduced |
| Oak Ridge Investments LLC | 16,251 | $536.9K | 0.04% | −845−4.9% | Reduced |
| NJ State Employees Deferred Compensation Plan | 15,500 | $512.1K | 0.06% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 15,275 | $504.7K | 0.01% | −2,941−16.1% | Reduced |
| Bank of Montreal | 14,535 | $480.2K | 0.00% | −1,266−8.0% | Reduced |
| CIBC World Markets Corp | 14,394 | $475.6K | 0.00% | −10,967−43.2% | Reduced |
| JustInvest LLC | 13,591 | $449.0K | 0.01% | +1,509+12.5% | Added |
| State of Alaska, Department of Revenue | 13,455 | $444.0K | 0.00% | −365−2.6% | Reduced |
| Toroso Investments, LLC | 13,333 | $440.5K | 0.00% | +4,995+59.9% | Added |
| FNY Investment Advisers, LLC | 12,895 | $426.0K | 0.18% | +2,040+18.8% | Added |
| Nebula Research & Development LLC | 12,411 | $410.1K | 0.03% | +246+2.0% | Added |
| CWM Advisors, LLC | 11,888 | $392.8K | 0.04% | +3,337+39.0% | Added |
| Sectoral Asset Management Inc | 11,723 | $387.3K | 0.26% | −6,345−35.1% | Reduced |
| Groupama Asset Managment | – | $379.8K | 0.01% | – | – |
| DnB Asset Management AS | 11,455 | $378.5K | 0.00% | +1,021+9.8% | Added |
| Tower Research Capital LLC (TRC) | 11,086 | $366.3K | 0.01% | +2,551+29.9% | Added |
| Trexquant Investment LP | 10,894 | $359.9K | 0.00% | +10,894 | New |
| Harvest Management LLC | 10,744 | $355.0K | 0.17% | −1,000−8.5% | Reduced |
| Public Employees Retirement Association of Colorado | 10,552 | $349.0K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 10,423 | $344.4K | 0.00% | −929−8.2% | Reduced |
| Cynosure Management, LLC | 10,372 | $342.7K | 0.04% | +2,584+33.2% | Added |