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Cytokinetics (CYTK) Institutional Ownership

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$62.91 +0.90 (+1.45%)
Closing price 10/9/2026 04:00 PM Eastern
Extended Trading
$62.90 0.00 (-0.01%)
As of 10/9/2026 07:30 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)
232
Total
Institutional Inflows
(last 12 months)
$892.10M
Number of
Institutional Sellers
(last 12 months)
131
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
10/9/2026Mirador Capital Partners LP208,896$13.77M1.6%+3.2%0.168%
10/9/2026GAMMA Investing LLC2,700$178K0.0%+8.6%0.002%
9/29/2026Cim Investment Management Inc.5,657$482K0.1%+20.9%0.005%
9/9/2026Tidal Investments LLC24,921$2.12M0.0%+24.7%0.020%
9/9/2026WINTON GROUP Ltd9,088$774K0.0%N/A0.007%
9/9/2026Integrated Wealth Concepts LLC422$36K0.0%N/A0.000%
9/9/2026Squarepoint Ops LLC2,655$226K0.0%N/A0.002%
9/8/2026Arizona State Retirement System30,586$2.61M0.0%-4.1%0.025%
9/8/2026Nykredit A S5,213$444K0.0%N/A0.004%
8/27/2026Corient Private Wealth LP5,161$440K0.0%-27.8%0.004%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al7,400$630K0.0%N/A0.006%
8/22/2026AlphaGrep UK Ltd3,343$285K0.1%N/A0.003%
8/22/2026Seven Fleet Capital Management LP118,240$10.07M1.7%+93.0%0.095%
8/22/2026Syon Capital LLC2,675$228K0.0%N/A0.002%
8/21/2026Nykredit A S5,213$444K0.0%N/A0.004%
8/19/2026New Mexico Educational Retirement Board27,400$2.33M0.1%+16.6%0.022%
8/17/2026Panoramic Capital LLC2,500$213K0.1%N/A0.002%
8/17/2026Bamco Inc. NY10,000$852K0.0%N/A0.008%
8/10/2026Great Lakes Advisors LLC23,002$1.96M0.0%N/A0.018%
7/10/2026Tema ETFs LLC22,413$1.91M0.1%+174.6%0.018%
7/10/2026E. Ohman J or Asset Management AB304,611$25.95M0.6%+1.3%0.245%
7/10/2026Handelsbanken Fonder AB405,000$34.50M0.1%+63.8%0.325%
7/8/2026FNY Investment Advisers LLC2,000$170K0.1%-77.9%0.002%
7/7/2026Mirador Capital Partners LP202,370$17.24M2.1%-0.1%0.163%
7/7/2026GAMMA Investing LLC2,487$212K0.0%+12.0%0.002%
6/18/2026Pacer 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%
5/28/2026Carlson Capital L.P.9,000$593K0.2%-42.3%0.007%
5/26/2026Glenmede Trust Co. NA6,663$439K0.0%-47.8%0.005%
5/22/2026Segall 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%
5/19/2026Edgestream 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%
5/19/2026Encore Global Management LP5,000$330K0.2%N/A0.004%
5/18/2026ADAR1 Capital Management LLC632,556$41.69M2.5%+17.1%0.508%
5/18/2026Amundi17,078$1.13M0.0%+152.1%0.014%
5/18/2026EverSource 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%
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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%
5/16/2026Quantinno 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%
5/15/2026Affinity Asset Advisors LLC700,483$46.17M2.4%-12.4%0.563%
5/14/2026Gabelli Funds LLC15,209$1.00M0.0%+7.0%0.012%
5/14/2026Siren L.L.C.613,952$40.47M1.1%N/A0.493%
5/14/2026Inceptionr LLC15,974$1.05M0.3%N/A0.013%
5/14/2026Knott 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%
5/14/2026Monashee Investment Management LLC100,000$6.59M3.6%+33.3%0.080%
5/13/2026Cetera Investment Advisers8,649$570K0.0%-39.4%0.007%
5/13/2026First Trust Advisors LP145,890$9.62M0.0%+14.4%0.117%
5/7/2026Meeder Advisory Services Inc.3,619$239K0.0%-5.0%0.003%
5/7/2026Dimensional Fund Advisors LP94,503$6.23M0.0%+75.2%0.076%
5/7/2026AlphaCentric Advisors LLC5,616$370K0.4%+5.7%0.005%
5/7/2026Swiss National Bank229,800$15.15M0.0%+2.5%0.185%
5/6/2026California Public Employees Retirement System198,530$13.09M0.0%+4.8%0.160%
5/6/2026Assetmark Inc.3,463$228K0.0%+14.5%0.003%
5/6/2026Allspring Global Investments Holdings LLC6,989$466K0.0%+10.2%0.006%
5/6/2026W.G. Shaheen & Associates DBA Whitney & Co3,240$214K0.0%N/A0.003%
5/5/2026Marks Group Wealth Management Inc16,835$1.11M0.1%+15.6%0.014%
5/5/2026Sanctuary Advisors LLC3,186$210K0.0%-14.8%0.003%
5/4/2026Calamos Advisors LLC21,627$1.43M0.0%N/A0.017%
5/4/2026Emerald Mutual Fund Advisers Trust135,464$8.93M0.4%N/A0.109%
5/4/2026Emerald Advisers LLC198,811$13.10M0.4%N/A0.160%
5/4/2026State of Michigan Retirement System29,400$1.94M0.0%+1.7%0.024%
5/4/2026Principal Financial Group Inc.1,093,485$72.07M0.0%+11.9%0.880%
5/4/2026J. Safra Sarasin Holding AG8,634$569K0.0%-63.1%0.007%
5/1/2026Fifth Third Bancorp28,728$1.89M0.0%+2,535.6%0.023%
5/1/2026Candriam S.C.A.335,208$22.09M0.1%+128.6%0.270%
5/1/2026Sequoia Financial Advisors LLC3,392$224K0.0%N/A0.003%
4/30/2026Hsbc Holdings PLC221,999$14.63M0.0%+5,906.5%0.179%
4/30/2026Kestra Advisory Services LLC4,115$271K0.0%+812.4%0.003%
4/30/2026Oregon Public Employees Retirement Fund25,115$1.66M0.0%+2.9%0.020%
4/28/2026Abel Hall LLC4,050$267K0.1%+10.5%0.003%
4/28/2026Praxis Investment Management Inc.3,853$254K0.0%-5.6%0.003%
4/27/2026New York State Teachers Retirement System110,505$7.28M0.0%-3.5%0.089%
4/25/2026Strs Ohio12,600$830K0.0%+2.4%0.010%
4/24/2026Peregrine Capital Management LLC103,626$6.83M0.3%-4.1%0.083%
4/23/2026AMI Asset Management Corp14,816$977K0.1%+3.8%0.012%
4/23/2026Inspire Investing LLC7,822$516K0.0%+6.7%0.006%
4/22/2026Pictet Asset Management Holding SA750,953$49.30M0.1%-0.9%0.610%
4/22/2026Sterling Capital Management LLC3,640$240K0.0%-40.7%0.003%
4/21/2026Louisiana State Employees Retirement System35,500$2.34M0.0%N/A0.029%
4/16/2026E. Ohman J or Asset Management AB300,762$19.82M0.5%-17.1%0.244%
3/24/2026Creek Drive Management Group LLC10,000$635K0.4%N/A0.008%
3/20/2026Hsbc Holdings PLC3,696$235K0.0%-7.7%0.003%
3/17/2026Rockefeller Capital Management L.P.641$41K0.0%+842.6%0.001%
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3/9/2026Corient 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%
2/24/2026Pacer 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%
2/19/2026Corient Private Wealth LLC30,184$1.92M0.0%+527.1%0.025%
2/18/2026Creek Drive Management Group LLC10,000$635K0.5%N/A0.008%
2/18/2026Vident 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%


CYTK Institutional Ownership - Frequently Asked Questions

During the previous two years, 390 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), Deep Track Capital LP ($236.33M), Geode Capital Management LLC ($194.21M), Polar Capital Holdings Plc ($152.95M), and Price T Rowe Associates Inc. MD ($122.64M).Learn more on Cytokinetics' institutional investors.

Of the 334 institutional investors that purchased Cytokinetics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: 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), Capital International Investors ($1.11M), and T. Rowe Price Investment Management Inc. ($1.06M).

Institutional investors have bought a total of 14,667,382 shares in the last 24 months. This purchase volume represents approximately $892.10M 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 61,088,045 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 10/9/2026. New 13F filings are added each quarter as they're published.
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