CYTOKINETICS INC hedge fund holdings
CYTKNASDAQ$65.60-0.02 (-0.03%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
CYTK · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+16.5%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 125 | 135 | $629M | $486M | 292 | Aug 14, 2025 |
| Q3 2025 | 176 | 92 | $872M | $598M | 359 | Nov 14, 2025 |
| Q4 2025 | 158 | 139 | $1.08B | $843M | 406 | Feb 14, 2026 |
| Q1 2026 | 172 | 151 | $1.19B | $1.41B | 412 | May 15, 2026 |
| Q2 2026 | 265 | 109 | $2.44B | $1.41B | 448 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
448 filersNew position
74$336M+3.94M sh
Increased
191$2.1B+24.7M sh
Reduced
66-$1.03B-12.1M sh
Out / sold
43-$380M-4.46M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC | Added 50.00% | +$142M | $426M | 3.82% | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Added 6.82% | +$102M | $1.59B | 1.05% | Aug 14, 2026 |
| Paradigm Biocapital Advisors LP | Sell 100% | -$97.6M | $0 | 0.00% | Aug 14, 2026 |
| Holocene Advisors, LP | New Buy | +$97.5M | $97.5M | 0.22% | Aug 14, 2026 |
| Wellington Management Group LLP | Reduce 13.46% | -$91.8M | $591M | 0.10% | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Added 1883.82% | +$77.8M | $81.9M | 0.12% | Aug 14, 2026 |
| Logos Global Management LP | Sell 100% | -$57.7M | $0 | 0.00% | Aug 14, 2026 |
| Deep Track Capital, LP | Reduce 49.07% | -$57.4M | $59.6M | 0.87% | Aug 14, 2026 |
| Polar Capital Holdings Plc | Added 35.66% | +$50.5M | $192M | 0.45% | Aug 14, 2026 |
| William Blair Investment Management, LLC | Added 47.43% | +$43.9M | $137M | 0.41% | Aug 12, 2026 |
| Hood River Capital Management LLC | New Buy | +$40M | $40M | 0.29% | Aug 14, 2026 |
| Pictet Asset Management Holding SA | Added 54.53% | +$34.9M | $99M | 0.09% | Jul 30, 2026 |
| MPM Bioimpact LLC | Sell 100% | -$33M | $0 | 0.00% | Aug 14, 2026 |
| Aberdeen Group plc | Reduce 75.29% | -$31M | $10.2M | 0.01% | Jul 31, 2026 |
| Checkpoint Capital L.P. | Added 163.89% | +$25.1M | $40.5M | 10.38% | Aug 14, 2026 |
| Polaris Capital Management, LLC | New Buy | +$22.7M | $22.7M | 2.14% | Jul 27, 2026 |
| Susquehanna Portfolio Strategies, LLC | Reduce 94.94% | -$22.5M | $1.2M | 0.02% | Aug 14, 2026 |
| Emerald Advisers, LLC | Added 130.35% | +$22.1M | $39M | 0.92% | Aug 5, 2026 |
| First Turn Management, LLC | Added 85.90% | +$20.8M | $44.9M | 4.81% | Aug 14, 2026 |
| Massachusetts Financial Services Co | Added 76.27% | +$20.2M | $46.8M | 0.01% | Aug 3, 2026 |
| Vestal Point Capital, LP | Sell 100% | -$19.8M | $0 | 0.00% | Aug 14, 2026 |
| Ikarian Capital, LLC | Sell 100% | -$18.7M | $0 | 0.00% | Aug 14, 2026 |
| Foresite Capital Management IV, LLC | Added 42.00% | +$18M | $60.9M | 20.98% | Aug 14, 2026 |
| Baker Bros. Advisors LP | New Buy | +$18M | $18M | 0.09% | Aug 14, 2026 |
| Tri Locum Partners LP | New Buy | +$16.5M | $16.5M | 2.03% | Aug 14, 2026 |
| PFM Health Sciences, LP | New Buy | +$16.3M | $16.3M | 1.40% | Aug 14, 2026 |
| Sphera Funds Management Ltd. | Added 452.50% | +$15.3M | $18.7M | 2.44% | Aug 14, 2026 |
| ADAR1 Capital Management, LLC | Reduce 27.61% | -$14.9M | $39M | 1.79% | Aug 14, 2026 |
| Catalio Capital Management, LP | Sell 100% | -$14.2M | $0 | 0.00% | Aug 14, 2026 |
| Handelsbanken Fonder AB | Added 63.77% | +$13.4M | $34.5M | 0.10% | Jul 10, 2026 |
| Kingdon Capital Management, L.L.C. | New Buy | +$13.4M | $13.4M | 1.37% | Aug 14, 2026 |
| Affinity Asset Advisors, LLC | Reduce 21.48% | -$12.8M | $46.9M | 2.12% | Aug 13, 2026 |
| Siren, L.L.C. | Added 23.62% | +$12.4M | $64.7M | 1.31% | Aug 13, 2026 |
| Emerald Mutual Fund Advisers Trust | Added 106.53% | +$12.3M | $23.8M | 0.84% | Aug 5, 2026 |
| Rock Springs Capital Management LP | Added 314.38% | +$12.1M | $16M | 0.78% | Aug 14, 2026 |
| RTW Investments, LP | Added 5.18% | +$12M | $244M | 2.08% | Aug 14, 2026 |
| Nicholas Investment Partners, LP | Added 199.34% | +$11.9M | $17.8M | 1.00% | Aug 14, 2026 |
| Polymer Capital Management (HK) LTD | New Buy | +$11.8M | $11.8M | 0.60% | Aug 13, 2026 |
| Schroder Investment Management Group | Added 673.47% | +$10.6M | $12.2M | 0.01% | Aug 13, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 15.88% | +$9.67M | $70.5M | 0.07% | Aug 13, 2026 |
| Cinctive Capital Management LP | Added 293.13% | +$8.76M | $11.7M | 0.43% | Aug 14, 2026 |
| Freestone Grove Partners LP | Reduce 47.03% | -$8.68M | $9.78M | 0.06% | Aug 14, 2026 |
| Burkehill Global Management, LP | New Buy | +$8.52M | $8.52M | 0.31% | Aug 14, 2026 |
| Eventide Asset Management, LLC | Added 17.80% | +$7.27M | $48.1M | 0.64% | Aug 14, 2026 |
| Seven Grand Managers, LLC | New Buy | +$7.24M | $7.24M | 0.29% | Aug 14, 2026 |
| Capricorn Fund Managers Ltd | New Buy | +$6.98M | $6.98M | 0.55% | Jul 24, 2026 |
| Segall Bryant & Hamill, LLC | Added 42.65% | +$6.55M | $21.9M | 0.26% | Aug 12, 2026 |
| Melqart Asset Management (UK) Ltd | Reduce 9.06% | -$6.51M | $65.4M | 6.22% | Aug 14, 2026 |
| Sofinnova Investments, Inc. | Sell 100% | -$6.05M | $0 | 0.00% | Aug 14, 2026 |
| Gilder Gagnon Howe & Co LLC | Added 20.92% | +$5.9M | $34.1M | 0.35% | Aug 14, 2026 |
| Campbell & CO Investment Adviser LLC | New Buy | +$5.62M | $5.62M | 0.29% | Aug 3, 2026 |
| Public Employees Retirement Association of Colorado | Added 623.58% | +$5.61M | $6.5M | 0.02% | Aug 11, 2026 |
| SummitTX Capital, L.P. | Added 127.10% | +$5.38M | $9.62M | 0.25% | Aug 14, 2026 |
| Militia Capital Management LLC | New Buy | +$5.11M | $5.11M | 0.15% | Aug 12, 2026 |
| Seven Fleet Capital Management LP | Added 92.99% | +$4.85M | $10.1M | 1.66% | Aug 17, 2026 |
| Silverarc Capital Management, LLC | Sell 100% | -$4.69M | $0 | 0.00% | Aug 13, 2026 |
| Artia Global Partners LP | Added 333.74% | +$4.63M | $6.02M | 1.11% | Aug 14, 2026 |
| Thornburg Investment Management Inc | Reduce 62.58% | -$4.43M | $2.65M | 0.03% | Aug 13, 2026 |
| Tyro Capital Management LLC | Sell 100% | -$4.26M | $0 | 0.00% | Aug 13, 2026 |
| DAFNA Capital Management LLC | Reduce 20.92% | -$3.88M | $14.7M | 2.79% | Aug 14, 2026 |
| Sector Gamma As | New Buy | +$3.83M | $3.83M | 0.83% | Aug 12, 2026 |
| Exome Asset Management LLC | Reduce 42.10% | -$3.72M | $5.12M | 3.16% | Aug 14, 2026 |
| Impax Asset Management Group plc | Added 32.00% | +$3.41M | $14.1M | 0.09% | Aug 11, 2026 |
| Erste Asset Management GmbH | Added 41.89% | +$2.81M | $9.53M | 0.07% | Jul 28, 2026 |
| Capital International Investors | Reduce 2.46% | -$2.81M | $111M | 0.02% | Aug 12, 2026 |
| Ishara Investments LP | New Buy | +$2.79M | $2.79M | 2.05% | Aug 14, 2026 |
| F/m Investments LLC | Added 105.80% | +$2.67M | $5.19M | 0.26% | Aug 5, 2026 |
| Nomura Holdings Inc | Added 723.24% | +$2.54M | $2.9M | 0.00% | Aug 14, 2026 |
| Calamos Advisors LLC | Added 137.86% | +$2.54M | $4.38M | 0.01% | Jul 31, 2026 |
| Rafferty Asset Management, LLC | Reduce 40.37% | -$2.5M | $3.69M | 0.01% | Aug 14, 2026 |
| First Trust Advisors LP | Reduce 19.02% | -$2.36M | $10.1M | 0.01% | Aug 11, 2026 |
| Massar Capital Management, LP | New Buy | +$2.36M | $2.36M | 0.23% | Aug 14, 2026 |
| Pinnacle Associates Ltd | Added 14.33% | +$2.16M | $17.2M | 0.19% | Aug 3, 2026 |
| Phocas Financial Corp. | New Buy | +$2.1M | $2.1M | 0.29% | Jul 31, 2026 |
| Fisher Asset Management, LLC | Reduce 3.20% | -$2.09M | $63.4M | 0.02% | Aug 4, 2026 |
| Aigen Investment Management, LP | Sell 100% | -$2.06M | $0 | 0.00% | Aug 14, 2026 |
| Homestead Advisers Corp | New Buy | +$1.98M | $1.98M | 0.05% | Aug 13, 2026 |
| Natixis Advisors, LLC | Added 58.26% | +$1.67M | $4.55M | 0.01% | Aug 14, 2026 |
| HighVista Strategies LLC | Added 33.01% | +$1.65M | $6.65M | 1.52% | Aug 14, 2026 |
| Harvey Capital Management Inc | Added 38.50% | +$1.62M | $5.82M | 1.20% | Aug 21, 2026 |
| Knott David M Jr | Sell 100% | -$1.56M | $0 | 0.00% | Aug 12, 2026 |
| Edgestream Partners, L.P. | Sell 100% | -$1.55M | $0 | 0.00% | Aug 11, 2026 |
| CSM Advisors, LLC | New Buy | +$1.54M | $1.54M | 0.03% | Aug 14, 2026 |
| Daiwa Securities Group Inc. | Sell 100% | -$1.46M | $0 | 0.00% | Jul 31, 2026 |
| Sanders Morris Harris LLC | Sell 100% | -$1.42M | $0 | 0.00% | Jul 7, 2026 |
| Oak Ridge Investments LLC | Added 104.49% | +$1.42M | $2.77M | 0.16% | Jul 21, 2026 |
| Legato Capital Management LLC | Added 131.51% | +$1.27M | $2.24M | 0.19% | Aug 6, 2026 |
| Tema ETFs LLC | Added 174.60% | +$1.21M | $1.91M | 0.06% | Jul 10, 2026 |
| Bamco Inc | Reduce 56.52% | -$1.11M | $852K | 0.00% | Aug 14, 2026 |
| Virtus Investment Advisers, LLC | Added 285.24% | +$1.05M | $1.41M | 0.33% | Aug 11, 2026 |
| Trails Edge Capital Partners, LP | Reduce 3.97% | -$1.01M | $24.5M | 3.90% | Aug 14, 2026 |
| Canada Pension Plan Investment Board | New Buy | +$954K | $954K | 0.00% | Aug 14, 2026 |
| Quinn Opportunity Partners LLC | Reduce 68.75% | -$937K | $426K | 0.02% | Aug 14, 2026 |
| Bellevue Group AG | Added 114.99% | +$866K | $1.62M | 0.03% | Aug 14, 2026 |
| Profund Advisors LLC | Reduce 28.40% | -$864K | $2.18M | 0.06% | Aug 11, 2026 |
| New Age Alpha Advisors, LLC | New Buy | +$842K | $842K | 0.04% | Aug 13, 2026 |
| J. Safra Sarasin Holding AG | Added 110.92% | +$816K | $1.55M | 0.02% | Jul 31, 2026 |
| Retirement Systems of Alabama | Reduce 6.31% | -$806K | $12M | 0.04% | Jul 28, 2026 |
| OMERS ADMINISTRATION Corp | New Buy | +$690K | $690K | 0.00% | Aug 13, 2026 |
| Moody Aldrich Partners LLC | Reduce 21.61% | -$680K | $2.47M | 0.44% | Jul 15, 2026 |