CYTOKINETICS INC (CYTK) Institutional Ownership Changes & 13F Activity

CYTOKINETICS INC (CYTK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Avoro Capital Advisors Llc, Bank Of America Corp, Invesco Ltd., T. Rowe Price Investment Management, Inc., and Holocene Advisors, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Cim Investment Management IncBuy+979+20.9%5,657$481.92KQ2 2026Sep 29, 2026
Envestnet Asset Management IncBuy+53,984+156.3%88,521$7.54MQ2 2026Sep 23, 2026
State Street CorpBuy+749,040+13.0%6,494,233$553.24MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheSell-10,647-6.4%156,477$13.33MQ2 2026Sep 09, 2026
Citadel Advisors LlcSell-458,913-41.7%640,945$54.60MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+4,561+52.4%13,257$1.13MQ2 2026Sep 02, 2026
Corient Private Wealth LlcSell-1,987-27.8%5,161$439.67KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-8,630-6.3%127,969$10.90MQ2 2026Aug 24, 2026
Harvey Capital Management IncBuy+18,980+38.5%68,275$5.82MQ2 2026Aug 21, 2026
Seven Fleet Capital Management LpBuy+56,971+93.0%118,240$10.07MQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcSell-1-11.1%8$681.00Q2 2026Aug 17, 2026
Avoro Capital Advisors LlcBuy+1,666,666+50.0%4,999,999$425.95MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+1,510,273+48.3%4,635,709$394.92MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+1,235,323—1,235,323$105.24MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+1,194,658+6.8%18,718,498$1.59BQ2 2026Aug 14, 2026
Holocene Advisors, LpBuy+1,144,579—1,144,579$97.51MQ2 2026Aug 14, 2026
Wellington Management Group LlpSell-1,077,719-13.5%6,931,770$590.52MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+961,610+153.6%1,587,712$135.26MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+913,332+1883.8%961,815$81.94MQ2 2026Aug 14, 2026
Deep Track Capital, LpSell-674,320-49.1%700,000$59.63MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+650,507+72.4%1,549,458$132.00MQ2 2026Aug 14, 2026
Polar Capital Holdings PlcBuy+592,401+35.7%2,253,649$191.99MQ2 2026Aug 14, 2026
Hood River Capital Management LlcBuy+469,273—469,273$39.98MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+454,851—454,851$38.75MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-444,170-20.1%1,761,588$150.07MQ2 2026Aug 14, 2026
Armistice Capital, LlcBuy+436,804+57.1%1,201,342$102.34MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+374,625+23.6%1,958,946$166.88MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+341,472+48.3%1,048,103$89.29MQ2 2026Aug 14, 2026
Checkpoint Capital L.P.Buy+295,000+163.9%475,000$40.47MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-280,869-28.3%711,676$60.63MQ2 2026Aug 14, 2026
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Frequently asked questions about CYTK activity

  • Which institutional owners are buying CYTK?

    Institutional owners buying CYTK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CYTK activity?

    "Buy" means an investor increased their reported position in CYTK compared to the prior reporting period. This reflects growing exposure to CYTOKINETICS INC (CYTK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CYTK increasing?

    Institutional interest in CYTK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.