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Cytokinetics (CYTK) Institutional Ownership

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$74.13 +0.68 (+0.93%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$74.13 0.00 (0.00%)
As of 08/14/2026 07:48 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Cytokinetics (NASDAQ:CYTK)

Number of
Institutional Buyers
(last 12 months)
239
Total
Institutional Inflows
(last 12 months)
$887.34M
Number of
Institutional Sellers
(last 12 months)
133
Total
Institutional Outflows
(last 12 months)
$3.52B
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CYTK Institutional Buying and Selling by Quarter

Cytokinetics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/10/2026 Great Lakes Advisors LLC23,002$1.96M0.0%N/A0.018%
7/10/2026 Tema ETFs LLC22,413$1.91M0.1%+174.6%0.018%
7/10/2026 E. Ohman J or Asset Management AB304,611$25.95M0.6%+1.3%0.245%
7/10/2026 Handelsbanken Fonder AB405,000$34.50M0.1%+63.8%0.325%
7/8/2026 FNY Investment Advisers LLC2,000$170K0.1%-77.9%0.002%
7/7/2026 Mirador Capital Partners LP202,370$17.24M2.1%-0.1%0.163%
7/7/2026 GAMMA Investing LLC2,487$212K0.0%+12.0%0.002%
6/18/2026 Pacer Advisors Inc.23,057$1.52M0.0%-17.0%0.019%
6/4/2026Seven Fleet Capital Management LP61,269$4.04M1.3%+492.8%0.049%
5/28/2026 Carlson Capital L.P.9,000$593K0.2%-42.3%0.007%
5/26/2026 Glenmede Trust Co. NA6,663$439K0.0%-47.8%0.005%
5/22/2026 Segall Bryant & Hamill LLC180,200$11.88M0.1%-4.9%0.145%
5/19/2026Western Wealth Management LLC800$53K0.0%N/A0.001%
5/19/2026Cim Investment Management Inc.4,678$308K0.1%N/A0.004%
5/19/2026Stempoint Capital LP129,577$8.54M1.6%-11.8%0.104%
5/19/2026 Edgestream Partners L.P.23,491$1.55M0.1%-19.8%0.019%
5/19/2026Janus Henderson Group PLC282,121$18.59M0.0%+10.1%0.227%
5/19/2026 Encore Global Management LP5,000$330K0.2%N/A0.004%
5/18/2026ADAR1 Capital Management LLC632,556$41.69M2.5%+17.1%0.508%
5/18/2026 Amundi17,078$1.13M0.0%+152.1%0.014%
5/18/2026 EverSource Wealth Advisors LLC1,548$102K0.0%+55.0%0.001%
5/18/2026California State Teachers Retirement System136,599$9.00M0.0%+27.3%0.110%
5/18/2026Rock Springs Capital Management LP45,364$2.99M0.2%+26.5%0.036%
5/16/2026The Manufacturers Life Insurance Company167,124$11.02M0.0%-12.4%0.134%
5/16/2026 Quantinno Capital Management LP52,598$3.47M0.0%+4.3%0.042%
5/16/2026SummitTX Capital L.P.49,711$3.28M0.1%N/A0.040%
5/15/2026Granahan Investment Management LLC72,464$4.78M0.2%-11.8%0.058%
5/15/2026 Affinity Asset Advisors LLC700,483$46.17M2.4%-12.4%0.563%
5/14/2026 Gabelli Funds LLC15,209$1.00M0.0%+7.0%0.012%
5/14/2026 Siren L.L.C.613,952$40.47M1.1%N/A0.493%
5/14/2026 Inceptionr LLC15,974$1.05M0.3%N/A0.013%
5/14/2026 Knott David M Jr23,644$1.56M0.9%-30.5%0.019%
5/14/2026Sei Investments Co.69,812$4.60M0.0%-0.6%0.056%
5/14/2026 Monashee Investment Management LLC100,000$6.59M3.6%+33.3%0.080%
5/13/2026 Cetera Investment Advisers8,649$570K0.0%-39.4%0.007%
5/13/2026 First Trust Advisors LP145,890$9.62M0.0%+14.4%0.117%
5/7/2026 Meeder Advisory Services Inc.3,619$239K0.0%-5.0%0.003%
5/7/2026 Dimensional Fund Advisors LP94,503$6.23M0.0%+75.2%0.076%
5/7/2026 AlphaCentric Advisors LLC5,616$370K0.4%+5.7%0.005%
5/7/2026 Swiss National Bank229,800$15.15M0.0%+2.5%0.185%
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5/6/2026California Public Employees Retirement System198,530$13.09M0.0%+4.8%0.160%
5/6/2026 Assetmark Inc.3,463$228K0.0%+14.5%0.003%
5/6/2026 Allspring Global Investments Holdings LLC6,989$466K0.0%+10.2%0.006%
5/6/2026 W.G. Shaheen & Associates DBA Whitney & Co3,240$214K0.0%N/A0.003%
5/5/2026 Marks Group Wealth Management Inc16,835$1.11M0.1%+15.6%0.014%
5/5/2026 Sanctuary Advisors LLC3,186$210K0.0%-14.8%0.003%
5/4/2026 Calamos Advisors LLC21,627$1.43M0.0%N/A0.017%
5/4/2026 Emerald Mutual Fund Advisers Trust135,464$8.93M0.4%N/A0.109%
5/4/2026 Emerald Advisers LLC198,811$13.10M0.4%N/A0.160%
5/4/2026 State of Michigan Retirement System29,400$1.94M0.0%+1.7%0.024%
5/4/2026 Principal Financial Group Inc.1,093,485$72.07M0.0%+11.9%0.880%
5/4/2026 J. Safra Sarasin Holding AG8,634$569K0.0%-63.1%0.007%
5/1/2026 Fifth Third Bancorp28,728$1.89M0.0%+2,535.6%0.023%
5/1/2026 Candriam S.C.A.335,208$22.09M0.1%+128.6%0.270%
5/1/2026 Sequoia Financial Advisors LLC3,392$224K0.0%N/A0.003%
4/30/2026Hsbc Holdings PLC221,999$14.63M0.0%+5,906.5%0.179%
4/30/2026 Kestra Advisory Services LLC4,115$271K0.0%+812.4%0.003%
4/30/2026 Oregon Public Employees Retirement Fund25,115$1.66M0.0%+2.9%0.020%
4/28/2026 Abel Hall LLC4,050$267K0.1%+10.5%0.003%
4/28/2026 Praxis Investment Management Inc.3,853$254K0.0%-5.6%0.003%
4/27/2026 New York State Teachers Retirement System110,505$7.28M0.0%-3.5%0.089%
4/25/2026 Strs Ohio12,600$830K0.0%+2.4%0.010%
4/24/2026 Peregrine Capital Management LLC103,626$6.83M0.3%-4.1%0.083%
4/23/2026 AMI Asset Management Corp14,816$977K0.1%+3.8%0.012%
4/23/2026 Inspire Investing LLC7,822$516K0.0%+6.7%0.006%
4/22/2026 Pictet Asset Management Holding SA750,953$49.30M0.1%-0.9%0.610%
4/22/2026 Sterling Capital Management LLC3,640$240K0.0%-40.7%0.003%
4/21/2026 Louisiana State Employees Retirement System35,500$2.34M0.0%N/A0.029%
4/16/2026 E. Ohman J or Asset Management AB300,762$19.82M0.5%-17.1%0.244%
3/24/2026 Creek Drive Management Group LLC10,000$635K0.4%N/A0.008%
3/20/2026Hsbc Holdings PLC3,696$235K0.0%-7.7%0.003%
3/17/2026 Rockefeller Capital Management L.P.641$41K0.0%+842.6%0.001%
3/9/2026 Corient Private Wealth LLC7,044$447K0.0%+46.4%0.006%
2/26/2026Seven Fleet Capital Management LP10,335$657K0.5%N/A0.008%
2/26/2026Alpine Global Management LLC6,000$381K0.1%N/A0.005%
2/24/2026 Pacer Advisors Inc.27,783$1.77M0.0%+76.5%0.023%
2/19/2026T. Rowe Price Investment Management Inc.17,716,372$1.13B0.7%-7.1%14.491%
2/19/2026Invesco Ltd.204,878$13.02M0.0%+30.3%0.168%
2/19/2026 Corient Private Wealth LLC30,184$1.92M0.0%+527.1%0.025%
2/18/2026 Creek Drive Management Group LLC10,000$635K0.5%N/A0.008%
2/18/2026 Vident Advisory LLC16,455$1.05M0.0%+1.4%0.013%
2/18/2026State of Tennessee Department of Treasury37,506$2.37M0.0%-22.6%0.031%
2/18/2026XTX Topco Ltd90,579$5.76M0.2%+2,170.2%0.074%
2/18/2026VARCOV Co.6,013$382K0.2%N/A0.005%
2/18/2026 Virtus Investment Advisers LLC4,247$270K0.1%+23.9%0.003%
2/18/2026Sphera Funds Management LTD.91,717$5.83M1.1%-43.2%0.075%
2/18/2026Polymer Capital Management US LLC8,014$509K0.1%N/A0.007%
2/18/2026Readystate Asset Management LP122,711$7.80M0.3%-13.9%0.100%
2/18/2026Millennium Management LLC225,456$14.33M0.0%-34.2%0.184%
2/18/2026Man Group plc11,587$736K0.0%N/A0.009%
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2/18/2026 Inspire Investing LLC7,330$466K0.0%-10.5%0.006%
2/18/2026Janus Henderson Group PLC256,212$16.28M0.0%+416.9%0.210%
2/18/2026Engineers Gate Manager LP111,544$7.09M0.1%N/A0.091%
2/18/2026Catalio Capital Management LP258,381$16.42M3.0%-42.8%0.211%
2/18/2026Cinctive Capital Management LP6,562$417K0.0%-93.8%0.005%
2/18/2026 ACT Capital Management LLC64,500$4.10M3.3%N/A0.053%
2/17/2026 Guggenheim Capital LLC31,322$1.99M0.0%+1.4%0.026%
2/17/2026Logos Global Management LP300,000$19.06M1.2%N/A0.245%
2/17/2026ADAR1 Capital Management LLC540,166$34.32M2.5%+4.1%0.442%
2/17/2026Pennington Partners & CO. LLC3,278$208K0.1%N/A0.003%


CYTK Institutional Ownership - Frequently Asked Questions

During the previous two years, 388 institutional investors and hedge funds held shares of Cytokinetics. The most heavily invested institutionals were T. Rowe Price Investment Management Inc. ($1.13B), Vanguard Group Inc. ($765.54M), State Street Corp ($370.14M), Darwin Global Management Ltd. ($246.07M), Deep Track Capital LP ($236.33M), Geode Capital Management LLC ($194.21M), and Polar Capital Holdings Plc ($152.95M).Learn more on Cytokinetics' institutional investors.

Of the 332 institutional investors that purchased Cytokinetics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Darwin Global Management Ltd. ($4.58M), Norges Bank ($2.98M), Deep Track Capital LP ($2.52M), Woodline Partners LP ($1.52M), Vestal Point Capital LP ($1.48M), Nationale Nederlanden Powszechne Towarzystwo Emerytalne S.A. ($1.25M), and Capital International Investors ($1.11M).

Institutional investors have bought a total of 14,649,574 shares in the last 24 months. This purchase volume represents approximately $887.34M in transactions.

Of the 131 institutional investors that sold Cytokinetics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Readystate Asset Management LP ($35.01M), T. Rowe Price Investment Management Inc. ($11.05M), Vestal Point Capital LP ($2.25M), Polar Capital Holdings Plc ($2.02M), Wells Fargo & Company MN ($1.91M), Alliancebernstein L.P. ($1.15M), and Melqart Asset Management UK Ltd ($703.82K).

Institutional investors have sold a total of 61,170,220 shares in the last 24 months. This volume of shares sold represents approximately $3.52B in transactions.


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Institutional ownership data for NASDAQ:CYTK is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/10/2026. New 13F filings are added each quarter as they're published.
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