CytokineticsCYTK
13F holders, Q2 2026 (June 30)481holders +40
88new positions
47sold out
9famous investors
$85.15avg. 13F price*
At the end of Q2 2026, 481 institutions reported holding Cytokinetics Inc. (CYTK) in their 13F filings, up 40 from Q1 2026. 88 opened new positions and 47 sold out. The largest holders were BlackRock, Inc. ($1.7B), T. Rowe Price Investment Management, Inc. ($1.6B) and Wellington Management Group LLP ($590.5M). 9 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Cytokinetics Inc.
- CUSIP
- 23282W605
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 88 | $362.6M |
| Exits | 47 | $318.1M |
All 13F filers, Q1 2026 → Q2 2026: 30,392,365 shares bought and 17,074,266 shares sold, net +13,318,099 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 481 holders
| BlackRock, Inc. | 0.03% | Add +21.4% | 20,094,362 | $1.7B |
| T. Rowe Price Investment Management, Inc. | 1.05% | Add +6.8% | 18,718,498 | $1.6B |
| Wellington Management Group LLP | 0.10% | Reduce -13.5% | 6,931,770 | $590.5M |
| Vanguard Portfolio Management LLC | 0.03% | Add +14.8% | 6,711,799 | $571.8M |
| State Street Corp. | 0.02% | Add +13.0% | 6,494,233 | $553.2M |
| Vanguard Capital Management LLC | 0.01% | Add +11.5% | 6,117,515 | $521.2M |
| FMR LLC | 0.02% | Reduce -53.1% | 5,031,782 | $428.7M |
| Avoro Capital Advisors LLC | 3.82% | Add +50.0% | 4,999,999 | $425.9M |
| Bank of America Corp. | 0.03% | Add +48.3% | 4,635,709 | $394.9M |
| Geode Capital Management, LLC | 0.02% | Add +15.5% | 3,712,501 | $316.3M |
| RTW Investments, LP | 2.08% | Add +5.2% | 2,862,003 | $243.8M |
| Polar Capital Holdings Plc | 0.55% | Add +35.7% | 2,253,649 | $192.0M |
| T. Rowe Price Associates Inc. | 0.02% | Add +23.6% | 1,958,946 | $166.9M |
| Goldman Sachs Group Inc. | 0.02% | Reduce -20.1% | 1,761,588 | $150.1M |
| Capital Research Global Investors | 0.02% | Add +118.8% | 1,686,625 | $143.7M |
| Northern Trust Corp. | 0.02% | Add +14.3% | 1,647,345 | $140.3M |
| JPMorgan Chase & Co. | 0.01% | Add +75.8% | 1,588,895 | $139.2M |
| William Blair Investment Management, LLC | 0.41% | Add +47.4% | 1,603,442 | $136.6M |
| Integral Health Asset Management, LLC | 5.59% | No change | 1,600,000 | $136.3M |
| Point72 Asset Management | 0.22% | Add +153.6% | 1,587,712 | $135.3M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +12.1% | 1,565,781 | $133.4M |
| Susquehanna International Group, LLP | 0.12% | Add +72.4% | 1,549,458 | $132.0M |
| Morgan Stanley | 0.01% | Add +0.3% | 1,510,318 | $128.7M |
| Principal Financial Group Inc. | 0.05% | Add +19.9% | 1,311,664 | $111.7M |
| Capital International Investors | 0.02% | Reduce -2.5% | 1,305,848 | $111.2M |
| Invesco Ltd. | 0.01% | Add +154.7% | 1,235,323 | $105.2M |
| Armistice Capital, LLC | 2.83% | Add +57.1% | 1,201,342 | $102.3M |
| UBS Group AG | 0.02% | Reduce -43.6% | 1,171,287 | $99.8M |
| Pictet Asset Management Holding SA | 0.09% | Add +54.5% | 1,160,463 | $99.0M |
| Frazier Life Sciences Management, L.P. | 2.16% | No change | 1,159,879 | $98.8M |
| Bank of New York Mellon Corp | 0.02% | Add +14.4% | 1,150,697 | $98.0M |
| Holocene Advisors, LP | 0.22% | New | 1,144,579 | $97.5M |
| Woodline Partners LP | 0.29% | Add +10.0% | 1,100,708 | $93.8M |
| D. E. Shaw & Co. | 0.06% | Add +48.3% | 1,048,103 | $89.3M |
| Norges Bank | 0.01% | — | 1,015,522 | $86.5M |
| Royalty Pharma Sub-Manager, LLC | 34.52% | No change | 980,392 | $83.5M |
| Nomura Asset Management International Inc. | 0.12% | Add +1883.8% | 961,815 | $81.9M |
| GW&K Investment Management, LLC | 0.61% | Add +85.2% | 916,107 | $78.0M |
| Vanguard Fiduciary Trust Co. | 0.02% | Add +13.4% | 906,423 | $77.2M |
| Franklin Resources Inc. | 0.02% | Add +117.5% | 891,087 | $75.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.07% | Add +15.9% | 827,810 | $70.5M |
| Melqart Asset Management (UK) Ltd | 6.22% | Reduce -9.1% | 767,525 | $65.4M |
| Siren, L.L.C. | 1.31% | Add +23.6% | 758,952 | $64.7M |
| Fisher Asset Management | 0.02% | Reduce -3.2% | 743,697 | $63.4M |
| Foresite Capital Management IV, LLC | 20.98% | Add +42.0% | 714,695 | $60.9M |
| Balyasny Asset Management L.P. | 0.11% | Reduce -28.3% | 711,676 | $60.6M |
| Deep Track Capital, LP | 0.88% | Reduce -49.1% | 700,000 | $59.6M |
| BNP Paribas Financial Markets | 0.03% | Reduce -19.4% | 689,077 | $58.7M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 3.08% | No change | 660,310 | $56.3M |
| Citadel Advisors | 0.03% | Reduce -41.7% | 640,945 | $54.6M |
| Qube Research & Technologies Ltd | 0.05% | Reduce -26.6% | 572,535 | $48.8M |
| Brown Advisory Inc. | 0.08% | Reduce -7.2% | 570,664 | $48.6M |
| Eventide Asset Management, LLC | 0.64% | Add +17.8% | 564,398 | $48.1M |
| Affinity Asset Advisors, LLC | 2.33% | Reduce -21.5% | 550,000 | $46.9M |
| Massachusetts Financial Services Co. | 0.01% | Add +76.3% | 549,348 | $46.8M |
| Federated Hermes, Inc. | 0.07% | Reduce -23.1% | 538,022 | $45.8M |
| First Turn Management, LLC | 4.81% | Add +85.9% | 527,412 | $44.9M |
| American Century Companies Inc. | 0.02% | Add +16.8% | 518,398 | $44.2M |
| Checkpoint Capital L.P. | 10.38% | Add +163.9% | 475,000 | $40.5M |
| Hood River Capital Management LLC | 0.29% | New | 469,273 | $40.0M |
| Emerald Advisers, LLC | 0.92% | Add +130.3% | 457,956 | $39.0M |
| ADAR1 Capital Management, LLC | 1.85% | Reduce -27.6% | 457,907 | $39.0M |
| Ameriprise Financial Inc. | 0.01% | Add +50.2% | 454,851 | $38.7M |
| Marshall Wace, LLP | 0.03% | Reduce -31.2% | 451,467 | $38.5M |
| Nuveen, LLC | 0.01% | Add +27.1% | 447,185 | $38.1M |
| Candriam S.C.A. | 0.17% | Add +32.2% | 443,066 | $37.7M |
| Rhumbline Advisers | 0.03% | Add +14.1% | 421,799 | $35.9M |
| Alliancebernstein L.P. | 0.01% | Add +16.8% | 535,993 | $35.3M |
| Handelsbanken Fonder AB | 0.10% | Add +63.8% | 405,000 | $34.5M |
| Gilder Gagnon Howe & Co. LLC | 0.35% | Add +20.9% | 400,245 | $34.1M |
| TD Asset Management Inc | 0.03% | Reduce -8.5% | 385,130 | $32.8M |
| Voya Investment Management LLC | 0.03% | Add +42.1% | 368,698 | $31.4M |
| GSK plc | 4.82% | No change | 340,434 | $29.0M |
| Citigroup Inc. | 0.01% | Add +29.6% | 322,932 | $27.5M |
| Two Sigma Investments, LP | 0.02% | Add +11.4% | 317,411 | $27.0M |
| E. Ohman J:or Asset Management AB | 0.60% | Add +1.3% | 304,611 | $25.9M |
| Russell Investments Group, Ltd. | 0.02% | Add +73.3% | 301,566 | $25.7M |
| Trails Edge Capital Partners, LP | 3.90% | Reduce -4.0% | 288,089 | $24.5M |
| Bank of Montreal | 0.01% | Add +1855.2% | 285,688 | $24.3M |
| Emerald Mutual Fund Advisers Trust | 0.84% | Add +106.5% | 279,769 | $23.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +13.5% | 273,031 | $23.3M |
| Polaris Capital Management, LLC | 2.14% | New | 266,900 | $22.7M |
| Segall Bryant & Hamill, LLC | 0.26% | Add +42.6% | 257,063 | $21.9M |
| Alyeska Investment Group, L.P. | 0.05% | Add +66.7% | 250,000 | $21.3M |
| ExodusPoint Capital Management, LP | 0.20% | Add +377.3% | 249,259 | $21.2M |
| Capital World Investors | 0.00% | Add +2.8% | 248,815 | $21.2M |
| Jupiter Topco LLC | 0.01% | — | 244,417 | $20.8M |
| Walleye Capital LLC | 0.11% | New | 239,728 | $20.4M |
| Sarissa Capital Management LP | 10.95% | No change | 228,623 | $19.5M |
| Swiss National Bank | 0.01% | Reduce -3.2% | 222,400 | $18.9M |
| Sphera Funds Management LTD. | 2.68% | Add +452.5% | 219,987 | $18.7M |
| Deutsche Bank AG | 0.01% | Add +15.7% | 216,540 | $18.4M |
| Prudential Financial Inc. | 0.02% | Add +261.0% | 214,535 | $18.3M |
| Baker Bros. Advisors LP | 0.09% | New | 211,267 | $18.0M |
| California Public Employees Retirement System | 0.01% | Add +6.3% | 211,052 | $18.0M |
| Nicholas Investment Partners, LP | 1.15% | Add +199.3% | 209,071 | $17.8M |
| Pinnacle Associates Ltd. | 0.19% | Add +14.3% | 202,440 | $17.2M |
| Mirador Capital Partners LP | 2.11% | Reduce -0.1% | 202,370 | $17.2M |
| Tri Locum Partners LP | 2.03% | New | 194,000 | $16.5M |
| PFM Health Sciences, LP | 1.42% | New | 191,686 | $16.3M |
"% of holder's portfolio" is CYTK's weight in each manager's 13F, not the share of Cytokinetics Inc. the manager owns.