Companies / Cytokinetics Inc

Cytokinetics Inc

Nasdaq: CYTKCIK 1061983SOUTH SAN FRANCISCO, CAcytokinetics.com ↗

Financials · FY2025

Revenue$88.04M
Net income$-784.96M
Total debt$248.20M
Cash$255.27M
Diluted EPS$-6.54
Shares outstanding139.0M

Ownership

139.0M shares outstanding · as of Aug 4, 2026
0.72%Insiders
Ownership
Insiders0.72%1,004,076
10%+ / strategic25.37%35,273,606
Institutions82.89%115,231,792
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 14

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Insider% of sharesShares
Blum Robert ICEOPresident & CEO · Director
0.28%385,330
Malik Fady IbrahamEVP Research & Development
0.11%153,902
Hessekiel JeffreyChief Legal & Admin Officer
0.08%107,943
Henderson John TDirector
0.06%78,088
Lee SungEVP, Chief Financial Officer
0.05%63,221
Callos AndrewEVP, Chief Commercial Officer
0.04%58,555
Wierenga WendellDirector
0.03%35,488
Wysenski NancyDirector
0.02%33,917
Bhanji MunaDirector
0.02%26,361
Harrington Robert ArthurDirector
0.02%21,781

Institutional holders 450

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HolderValue% of shares
BlackRock, Inc.$1.71B14.45%
Fmr LLC$813.80M9.21%
Vanguard Group Inc$765.54M8.67%
State Street Corporation$553.24M4.67%
Wellington Management Group LLP$504.32M5.71%
Deep Track Capital, LP$212.03M2.40%
Geode Capital Management, LLC$211.97M2.31%
Bank of America Corp /De$186.88M2.12%
RTW Investments, LP$172.90M1.96%
Polar Capital Holdings Plc$153.93M1.74%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q2 2026
as of
BlackRock, Inc.
13F manager
Add—$315.14M+3.7M
+22.56%
20,094,362
14.45% of shares
high
Q1 2026
as of
Balyasny Asset Management L.P.
13F manager
New—$65.42M+993K
992,545
0.71% of shares
high
Q2 2026
as of
State Street Corporation
13F manager
Add—$56.99M+669K
+11.48%
6,494,233
4.67% of shares
high
Q1 2026
as of
Norges Bank
13F manager
Exit—$-51.28M-807K
-100.00%
—
high
Q1 2026
as of
D. E. Shaw & Co., Inc.
13F manager
Add—$38.72M+587K
+492.71%
706,631
0.51% of shares
medium
Q2 2024
as of
Barclays PLC
13F manager
Trim—$-26.00M-480K
-62.95%
282,378
0.20% of shares
medium
Q4 2025
as of
Norges Bank
13F manager
Trim—$-23.50M-370K
-31.43%
807,070
0.58% of shares
medium
Q1 2026
as of
Marshall Wace, LLP
13F manager
Add—$21.06M+320K
+94.82%
656,608
0.47% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
T. Rowe Price Investment Management, Inc.Passive13G/A—17,716,372—
Fmr LLCPassive13G/A—11,135,192—
Vanguard Capital ManagementPassive13G—6,422,042—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CYTK——23282W605—