CYTOKINETICS INC (CYTK): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CYTK · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
27
13F filers
Aggregate Value
$819.2M
Across holders
Last Price
$77.09
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity18 increased8 reduced0 exited
Institutional Holders of CYTK
27 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.59M$135.3M16.5%0.1%Added+$134.7MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund1.14M$97.5M11.9%0.2%AddedQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund1.10M$93.8M11.4%0.3%Added+$8.5MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.05M$89.3M10.9%0.0%Added+$82.4MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager744K$63.4M7.7%0.0%Reduced$-2.1MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund712K$60.6M7.4%0.1%Reduced+$60.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund641K$54.6M6.7%0.0%Reduced+$29.8MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund573K$48.8M6.0%0.0%Reduced$-17.6MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund451K$38.5M4.7%0.0%Reduced$-66.7MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund317K$27.0M3.3%0.0%Added+$2.8MQ2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$135.3M· 16.5% of total· 0.1% port· 1.59M sh· +$134.7M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$97.5M· 11.9% of total· 0.2% port· 1.14M sh· QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$93.8M· 11.4% of total· 0.3% port· 1.10M sh· +$8.5M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$89.3M· 10.9% of total· 0.0% port· 1.05M sh· +$82.4M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$63.4M· 7.7% of total· 0.0% port· 744K sh· $-2.1M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$60.6M· 7.4% of total· 0.1% port· 712K sh· +$60.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$54.6M· 6.7% of total· 0.0% port· 641K sh· +$29.8M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$48.8M· 6.0% of total· 0.0% port· 573K sh· $-17.6M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$38.5M· 4.7% of total· 0.0% port· 451K sh· $-66.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$27.0M· 3.3% of total· 0.0% port· 317K sh· +$2.8M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$21.2M· 2.6% of total· 0.1% port· 249K sh· QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$20.4M· 2.5% of total· 0.1% port· 240K sh· +$19.6M QoQ· Q2 2026
BAKER BROS. ADVISORS LPAdded
Hedge Fund
$18.0M· 2.2% of total· 0.1% port· 211K sh· QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$13.8M· 1.7% of total· 0.0% port· 162K sh· +$13.8M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$9.3M· 1.1% of total· 0.0% port· 110K sh· $-961K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$7.9M· 1.0% of total· 0.0% port· 93K sh· +$6.8M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$4.7M· 0.6% of total· 0.0% port· 55K sh· QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$4.5M· 0.6% of total· 0.0% port· 53K sh· $-4.1M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$2.6M· 0.3% of total· 0.0% port· 30K sh· $-426K QoQ· Q2 2026
ORBIMED ADVISORS LLCAdded
Hedge Fund
$2.2M· 0.3% of total· 0.0% port· 26K sh· QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPUnchanged
Hedge Fund
$2.1M· 0.3% of total· 0.0% port· 25K sh· +$0 QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$1.5M· 0.2% of total· 0.0% port· 17K sh· $-301K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$1.0M· 0.1% of total· 0.0% port· 12K sh· +$17K QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$457K· 0.1% of total· 0.0% port· 5K sh· QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$271K· 0.0% of total· 0.0% port· 3K sh· +$254K QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$241K· 0.0% of total· 0.0% port· 3K sh· QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$226K· 0.0% of total· 0.0% port· 3K sh· QoQ· Q2 2026
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