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 |
|---|---|---|---|---|---|
| HSBC Holdings PLC | 4,006 | $220.2K | 0.00% | +4,006 | New |
| Everence Capital Management Inc | 4,080 | $224.0K | 0.01% | +4,080 | New |
| Meridian Financial, LLC | 4,118 | $226.3K | 0.13% | +4,118 | New |
| Walleye Capital LLC | 4,203 | $231.0K | 0.00% | +4,203 | New |
| Savant Capital, LLC | 4,208 | $231.3K | 0.00% | +4,208 | New |
| US Bancorp | 4,308 | $236.8K | 0.00% | +2,584+149.9% | Added |
| O'Shaughnessy Asset Management, LLC | 4,330 | $238.0K | 0.00% | +4,330 | New |
| Empowered Funds, LLC | 4,343 | $238.7K | 0.00% | +4,343 | New |
| Oppenheimer & Co Inc | 4,372 | $240.3K | 0.00% | −2,490−36.3% | Reduced |
| Allianz Asset Management GmbH | 4,541 | $249.6K | 0.00% | +4,541 | New |
| Intrust Bank NA | 4,553 | $250.2K | 0.02% | +4,553 | New |
| Hantz Financial Services, Inc. | 4,613 | $254.0K | 0.00% | +3,305+252.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,626 | $254.2K | 0.00% | +13+0.3% | Added |
| Carlson Capital L P | 4,700 | $258.3K | 0.15% | −15,800−77.1% | Reduced |
| Coldstream Capital Management Inc | 4,752 | $261.2K | 0.00% | +4,752 | New |
| CI Private Wealth, LLC | 4,813 | $264.5K | 0.00% | +4,813 | New |
| Quest Partners LLC | 4,859 | $267.1K | 0.02% | −60−1.2% | Reduced |
| High Net Worth Advisory Group LLC | 5,000 | $274.8K | 0.07% | +5,000 | New |
| Commonwealth Equity Services, LLC | 5,132 | $282.0K | 0.00% | +5,132 | New |
| Swiss Life Asset Management Ltd | 5,142 | $282.6K | 0.00% | +5,142 | New |
| ISAM Funds (UK) Ltd | 5,227 | $287.3K | 0.06% | +5,227 | New |
| J.Safra Asset Management Corp | 5,339 | $293.4K | 0.02% | +1,652+44.8% | Added |
| Allspring Global Investments Holdings, LLC | 5,664 | $316.3K | 0.00% | +5,664 | New |
| Summit Trail Advisors, LLC | 5,764 | $316.8K | 0.00% | −991−14.7% | Reduced |
| M&T Bank Corp | 6,012 | $330.0K | 0.00% | +6,012 | New |
| Shay Capital LLC | 6,015 | $330.6K | 0.06% | −1,485−19.8% | Reduced |
| The PNC Financial Services Group, Inc. | 6,049 | $332.5K | 0.00% | +1,343+28.5% | Added |
| Qsemble Capital Management, LP | 6,065 | $333.3K | 0.03% | +6,065 | New |
| First Bank & Trust | 6,304 | $346.5K | 0.06% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 6,309 | $346.7K | 0.00% | +132+2.1% | Added |
| Tower Research Capital LLC (TRC) | 6,343 | $348.6K | 0.01% | −4,743−42.8% | Reduced |
| Camden Capital, LLC | 6,589 | $362.1K | 0.02% | +6,589 | New |
| Clearline Capital LP | 6,817 | $374.7K | 0.03% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 7,233 | $397.5K | 0.01% | +4,363+152.0% | Added |
| Veracity Capital LLC | 7,414 | $407.5K | 0.13% | 00.0% | Unchanged |
| Banque Pictet & Cie SA | 7,639 | $419.8K | 0.00% | −49−0.6% | Reduced |
| Crossmark Global Holdings, Inc. | 7,815 | $429.5K | 0.01% | +60+0.8% | Added |
| Fifth Lane Capital, LP | 8,000 | $439.7K | 0.44% | −1,000−11.1% | Reduced |
| CWM Advisors, LLC | 8,192 | $450.2K | 0.04% | −3,696−31.1% | Reduced |
| Groupama Asset Managment | – | $459.5K | 0.01% | – | – |
| FNY Investment Advisers, LLC | 8,614 | $473.0K | 0.15% | −4,281−33.2% | Reduced |
| Concentric Capital Strategies, LP | 8,788 | $483.0K | 0.02% | +8,788 | New |
| Securian Asset Management, Inc | 8,961 | $492.5K | 0.01% | −134−1.5% | Reduced |
| Qube Research & Technologies Ltd | 9,038 | $496.7K | 0.00% | −112,784−92.6% | Reduced |
| Quadrant Capital Group LLC | 9,248 | $508.3K | 0.02% | +9,248 | New |
| Ethic Inc. | 9,522 | $523.3K | 0.01% | +9,522 | New |
| Brevan Howard Capital Management LP | 9,974 | $548.2K | 0.01% | +9,974 | New |
| DnB Asset Management AS | 10,210 | $561.1K | 0.00% | −1,245−10.9% | Reduced |
| Sectoral Asset Management Inc | 10,223 | $561.9K | 0.35% | −1,500−12.8% | Reduced |
| Cynosure Management, LLC | 10,372 | $570.0K | 0.06% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 10,409 | $572.1K | 0.17% | +10,409 | New |
| Public Employees Retirement Association of Colorado | 10,552 | $580.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 10,600 | $582.6K | 0.00% | +3,000+39.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 9,856 | $593.0K | 0.00% | +1,380+16.3% | Added |
| Glenmede Investment Management, LP | 10,990 | $604.0K | 0.00% | +10,990 | New |
| DLD Asset Management, LP | 11,000 | $604.6K | 0.08% | +11,000 | New |
| LPL Financial LLC | 11,201 | $615.6K | 0.00% | −8,577−43.4% | Reduced |
| Brinker Capital Investments, LLC | 11,233 | $617.4K | 0.00% | +11,233 | New |
| Nisa Investment Advisors, LLC | 11,531 | $633.7K | 0.00% | +1,338+13.1% | Added |
| Bayforest Capital Ltd | 11,747 | $645.6K | 0.31% | +11,747 | New |
| Gallagher Fiduciary Advisors, LLC | 11,791 | $648.0K | 0.02% | +11,791 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 11,799 | $648.5K | 0.10% | +11,799 | New |
| Capstone Investment Advisors, LLC | 12,094 | $664.7K | 0.01% | +12,094 | New |
| Atria Investments LLC | 12,147 | $667.6K | 0.01% | +12,147 | New |
| CIBC Bancorp USA Inc. | 12,453 | $684.4K | 0.00% | +12,453 | New |
| Harvest Management LLC | 12,600 | $692.5K | 0.34% | +1,856+17.3% | Added |
| Toroso Investments, LLC | 12,762 | $701.4K | 0.00% | −571−4.3% | Reduced |
| State of Alaska, Department of Revenue | 12,780 | $702.0K | 0.01% | −675−5.0% | Reduced |
| HighTower Advisors, LLC | 12,800 | $703.5K | 0.00% | +2,377+22.8% | Added |
| Kennedy Capital Management, Inc. | 13,021 | $715.6K | 0.02% | +6,350+95.2% | Added |
| Bank of Montreal | 13,132 | $721.7K | 0.00% | −1,403−9.7% | Reduced |
| D. E. Shaw & Co., Inc. | 13,603 | $747.6K | 0.00% | −5,481−28.7% | Reduced |
| Wolverine Trading, LLC | 14,150 | $762.5K | 0.02% | −11,658−45.2% | Reduced |
| J. Goldman & Co LP | 14,505 | $797.2K | 0.03% | −19,131−56.9% | Reduced |
| Ami Asset Management Corp | 15,283 | $840.0K | 0.05% | +15,283 | New |
| NJ State Employees Deferred Compensation Plan | 15,500 | $851.9K | 0.09% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 15,740 | $865.1K | 0.00% | +15,740 | New |
| Oak Ridge Investments LLC | 16,066 | $883.0K | 0.06% | −185−1.1% | Reduced |
| Vident Advisory, LLC | 16,221 | $891.5K | 0.01% | +16,221 | New |
| Xponance, Inc. | 16,713 | $918.5K | 0.01% | +30.0% | Added |
| Cetera Investment Advisers | 17,139 | $942.0K | 0.00% | +10,504+158.3% | Added |
| Dana Investment Advisors, Inc. | 17,413 | $957.0K | 0.03% | +811+4.9% | Added |
| Legato Capital Management LLC | 17,603 | $967.5K | 0.11% | +17,603 | New |
| Victory Capital Management Inc | 17,635 | $969.2K | 0.00% | −20,479−53.7% | Reduced |
| JustInvest LLC | 18,084 | $993.9K | 0.01% | +4,493+33.1% | Added |
| HAP Trading, LLC | 18,760 | $1.03M | 0.28% | +18,760 | New |
| Ensign Peak Advisors, Inc | 20,496 | $1.13M | 0.00% | −183,450−90.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 20,974 | $1.15M | 0.10% | −3,013−12.6% | Reduced |
| Harvey Capital Management Inc | 21,330 | $1.17M | 0.25% | −600−2.7% | Reduced |
| Sanders Morris Harris LLC | 21,505 | $1.18M | 0.16% | +21,505 | New |
| 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 |
| Natixis Advisors, L.P. | 22,562 | $1.24M | 0.00% | +4,089+22.1% | Added |
| New Mexico Educational Retirement Board | 23,500 | $1.29M | 0.04% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 24,000 | $1.32M | 0.01% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 24,115 | $1.33M | 0.02% | −300−1.2% | Reduced |
| Jain Global LLC | 24,418 | $1.34M | 0.02% | +24,418 | New |
| J. Safra Sarasin Holding AG | 24,467 | $1.34M | 0.02% | −43,723−64.1% | Reduced |
| Bamco Inc | 24,500 | $1.35M | 0.00% | +24,500 | New |
| Y-Intercept (Hong Kong) Ltd | 24,732 | $1.36M | 0.03% | +24,732 | New |