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

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jun 24, 2026Lee Sung
Executive
SellCommon Stock$3.19M-39K
-37.99%
63,221
0.05% of shares
medium
May 5, 2026Lee Sung
Executive
SellCommon Stock$1.84M-24K
-27.44%
63,221
0.05% of shares
medium
May 5, 2026Henderson John T
Director
SellCommon Stock$1.52M-20K
-21.00%
75,237
0.05% of shares
medium
Mar 17, 2026Blum Robert I
CEO
SellCommon Stock$1.49M-24K
-5.27%
430,330
0.31% of shares
medium
Jun 24, 2026Lee Sung
Executive
ExerciseCommon Stock$1.13M+23K
+36.97%
86,591
0.06% of shares
low
Jun 1, 2026Callos Andrew
Executive
SellCommon Stock$1.11M-15K
-20.39%
58,555
0.04% of shares
medium
May 1, 2026Callos Andrew
Executive
SellCommon Stock$1.03M-16K
-21.31%
58,555
0.04% of shares
medium
Apr 30, 2026Callos Andrew
Executive
SellCommon Stock$948.9K-15K
-20.39%
58,555
0.04% 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—