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 19 sales; 481 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Cytokinetics Inc as of Jun 30, 2026. 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
- 481
- +46 vs. Q1 2026
- Shares held
- 160.4M
- +14.6M (+10.0%) vs. Q1 2026
- Total value
- $13.7B
- +$4.05B (+42.2%) vs. Q1 2026
- New holders
- 93
- 236 more added
- Sold out
- 47
- 102 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Havemeyer Place LP | 6,631 | $564.9K | 0.06% | +6,631 | New |
| Mitsubishi UFJ Trust & Banking Corp | 6,593 | $561.7K | 0.00% | +6,593 | New |
| Captrust Financial Advisors | 6,550 | $558.0K | 0.00% | +2,186+50.1% | Added |
| First Bank & Trust | 6,392 | $544.5K | 0.08% | −20.0% | Reduced |
| Intrust Bank NA | 6,334 | $539.6K | 0.04% | +1,194+23.2% | Added |
| E Fund Management Co., Ltd. | 6,123 | $521.6K | 0.01% | −3,027−33.1% | Reduced |
| Jane Street Group, LLC | 6,084 | $518.3K | 0.00% | −13−0.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 6,063 | $516.5K | 0.00% | −361−5.6% | Reduced |
| Caerus Investment Advisors, LLC | 6,000 | $511.1K | 0.17% | +6,000 | New |
| Camden Capital, LLC | 5,904 | $503.0K | 0.02% | +15+0.3% | Added |
| Capital International Sarl | 5,890 | $501.8K | 0.01% | 00.0% | Unchanged |
| Fiduciary Trust Co | 5,790 | $493.3K | 0.01% | +1,562+36.9% | Added |
| AlphaCentric Advisors LLC | 5,697 | $485.3K | 0.41% | +81+1.4% | Added |
| Coldstream Capital Management Inc | 5,627 | $479.4K | 0.01% | −318−5.3% | Reduced |
| Jasper Ridge Partners, L.P. | 5,500 | $468.5K | 0.01% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 5,367 | $457.2K | 0.00% | +5,367 | New |
| Persistent Asset Partners Ltd | 5,346 | $455.4K | 0.14% | +5,346 | New |
| AE Wealth Management LLC | 5,316 | $452.9K | 0.00% | +1,011+23.5% | Added |
| Vise Technologies, Inc. | 5,297 | $451.3K | 0.01% | +5,297 | New |
| Abel Hall, LLC | 5,283 | $450.1K | 0.08% | +1,233+30.4% | Added |
| Commerce Bank | 5,235 | $446.0K | 0.00% | +1,343+34.5% | Added |
| Nykredit A/S | 5,213 | $444.1K | 0.00% | +5,213 | New |
| MML Investors Services, LLC | 5,171 | $440.5K | 0.00% | +1,524+41.8% | Added |
| CI Private Wealth, LLC | 5,161 | $439.7K | 0.00% | −1,987−27.8% | Reduced |
| Fifth Third Wealth Advisors LLC | 5,154 | $439.1K | 0.01% | +1,830+55.1% | Added |
| Quinn Opportunity Partners LLC | 5,000 | $425.9K | 0.02% | −11,000−68.8% | Reduced |
| High Net Worth Advisory Group LLC | 5,000 | $425.9K | 0.09% | 00.0% | Unchanged |
| Assetmark, Inc | 4,795 | $408.5K | 0.00% | +1,332+38.5% | Added |
| Commonwealth Equity Services, LLC | 4,746 | $404.3K | 0.00% | −111−2.3% | Reduced |
| Bridgefront Capital, LLC | 4,731 | $403.0K | 0.11% | +4,731 | New |
| Sanctuary Advisors, LLC | 4,711 | $401.3K | 0.00% | +1,525+47.9% | Added |
| Himension Fund | 4,601 | $392.0K | 0.02% | +4,601 | New |
| Everence Capital Management Inc | 4,328 | $369.0K | 0.02% | +475+12.3% | Added |
| LVW Advisors, LLC | 4,234 | $360.7K | 0.03% | +252+6.3% | Added |
| Quarry LP | 4,058 | $345.7K | 0.05% | +4,058 | New |
| Shelton Capital Management | 4,049 | $344.9K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 3,990 | $339.9K | 0.00% | −60−1.5% | Reduced |
| Savant Capital, LLC | 3,972 | $337.7K | 0.00% | −62−1.5% | Reduced |
| Breakwater Capital Group | 3,941 | $335.7K | 0.04% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 3,929 | $334.7K | 0.00% | +21+0.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,913 | $333.3K | 0.00% | +334+9.3% | Added |
| Meeder Advisory Services, Inc. | 3,820 | $325.4K | 0.01% | +201+5.6% | Added |
| CIBC Asset Management Inc | 3,808 | $324.4K | 0.00% | +621+19.5% | Added |
| Park Avenue Securities LLC | 3,752 | $320.0K | 0.00% | +3,752 | New |
| Blackstone Group Inc. | 3,629 | $309.2K | 0.00% | +255+7.6% | Added |
| Sequoia Financial Advisors, LLC | 3,516 | $299.5K | 0.00% | +124+3.7% | Added |
| KBC Group NV | 3,470 | $296.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 3,452 | $294.1K | 0.00% | +3,452 | New |
| AlphaGrep UK Ltd | 3,343 | $284.8K | 0.09% | +3,343 | New |
| W.G. Shaheen & Associates DBA Whitney & Co | 3,253 | $277.1K | 0.02% | +13+0.4% | Added |
| Rockefeller Capital Management L.P. | 3,183 | $271.2K | 0.00% | +314+10.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,153 | $268.6K | 0.01% | +3,153 | New |
| Merit Financial Group, LLC | 3,098 | $263.9K | 0.00% | −122−3.8% | Reduced |
| Quantbot Technologies LP | 2,991 | $254.8K | 0.01% | +2,991 | New |
| Drive Wealth Management, LLC | 2,990 | $254.7K | 0.05% | +2,990 | New |
| Walleye Trading LLC | 2,951 | $251.4K | 0.00% | +2,951 | New |
| Ascent Group, LLC | 2,908 | $247.7K | 0.01% | +2,908 | New |
| Oxford Asset Management LLP | 2,836 | $241.6K | 0.12% | +2,836 | New |
| Magnetar Financial LLC | 2,829 | $241.0K | 0.00% | +2,829 | New |
| OpenArc Corporate Advisory, LLC | 2,792 | $237.8K | 0.00% | +2,792 | New |
| Sigma Planning Corp | 2,724 | $232.0K | 0.01% | +2,724 | New |
| Syon Capital LLC | 2,675 | $227.9K | 0.01% | +2,675 | New |
| Squarepoint Ops LLC | 2,655 | $226.2K | 0.00% | +2,655 | New |
| GF Fund Management Co. Ltd. | 2,608 | $222.2K | 0.00% | −138−5.0% | Reduced |
| Evolve Private Wealth, LLC | 2,593 | $220.9K | 0.01% | +2,593 | New |
| Ritholtz Wealth Management | 2,549 | $217.1K | 0.00% | +2,549 | New |
| Panoramic Capital, LLC | 2,500 | $213.0K | 0.09% | +2,500 | New |
| Resources Investment Advisors, LLC. | 2,497 | $212.7K | 0.00% | +2,497 | New |
| Cambridge Investment Research Advisors, Inc. | 2,490 | $212.0K | 0.00% | +2,490 | New |
| GAMMA Investing LLC | 2,487 | $211.9K | 0.01% | +266+12.0% | Added |
| Sterling Capital Management LLC | 2,429 | $206.9K | 0.00% | −1,211−33.3% | Reduced |
| Eurizon Capital SGR S.p.A. | 2,337 | $204.1K | 0.00% | +133+6.0% | Added |
| R Squared Ltd | 2,350 | $200.2K | 0.11% | +2,350 | New |
| Bayforest Capital Ltd | 2,143 | $182.6K | 0.17% | +1,050+96.1% | Added |
| FNY Investment Advisers, LLC | 2,000 | $170.0K | 0.06% | −7,030−77.9% | Reduced |
| Bessemer Group Inc | 1,973 | $168.0K | 0.00% | −995−33.5% | Reduced |
| Umb Bank N A | 1,930 | $164.4K | 0.00% | +10+0.5% | Added |
| Larson Financial Group LLC | 1,814 | $154.5K | 0.00% | +8+0.4% | Added |
| Lazard Asset Management LLC | 1,369 | $116.6K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,256 | $107.0K | 0.00% | +337+36.7% | Added |
| Smartleaf Asset Management LLC | 1,226 | $107.0K | 0.00% | 00.0% | Unchanged |
| Hollencrest Capital Management | 1,200 | $102.2K | 0.01% | +1,200 | New |
| Kemnay Advisory Services Inc. | 1,164 | $99.2K | 0.01% | +151+14.9% | Added |
| Signaturefd, LLC | 1,135 | $96.7K | 0.00% | +247+27.8% | Added |
| Los Angeles Capital Management LLC | 1,116 | $95.1K | 0.00% | −15−1.3% | Reduced |
| Covestor Ltd | 998 | $85.0K | 0.05% | −367−26.9% | Reduced |
| Acadian Asset Management LLC | 952 | $81.0K | 0.00% | +952 | New |
| EverSource Wealth Advisors, LLC | 902 | $76.8K | 0.00% | −646−41.7% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 713 | $60.7K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 678 | $58.0K | 0.00% | −431−38.9% | Reduced |
| Optiver Holding B.V. | 660 | $56.2K | 0.00% | +475+256.8% | Added |
| SRS Capital Advisors, Inc. | 596 | $50.8K | 0.00% | +564+1,762.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 589 | $50.2K | 0.00% | 00.0% | Unchanged |
| Purpose Unlimited Inc. | 562 | $48.0K | 0.00% | +562 | New |
| Allworth Financial LP | 540 | $46.0K | 0.00% | +58+12.0% | Added |
| Massmutual Trust Co FSB | 448 | $38.2K | 0.00% | +5+1.1% | Added |
| Huntington National Bank | 365 | $31.1K | 0.00% | +62+20.5% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 319 | $27.2K | 0.01% | +80+33.5% | Added |
| Global Retirement Partners, LLC | 306 | $26.1K | 0.00% | +306 | New |
| Brown Brothers Harriman & Co | 300 | $25.6K | 0.00% | 00.0% | Unchanged |