CYTOKINETICS INC

CYTKNASDAQ

$61.12-0.23 (-0.37% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

CYTOKINETICS INC price and activity chart data

Showing the 1Y range: Oct 7, 2025 to Oct 7, 2026. Price (+1.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	16.15%	$1.71B	0.03%	Not reported
T. Rowe Price Investment Management, Inc.	15.04%	$1.59B	1.05%	Add 6.82%
Wellington Management Group LLP	5.57%	$591M	0.10%	Reduce 13.46%
Vanguard Portfolio Management LLC	5.39%	$572M	0.03%	Not reported
State Street Corp	5.22%	$553M	0.02%	Not reported
Vanguard Capital Management LLC	4.92%	$521M	0.01%	Not reported
FMR LLC	4.04%	$429M	0.02%	Not reported
Avoro Capital Advisors LLC	4.02%	$426M	3.82%	Add 50.00%
Bank of America Corp	3.73%	$395M	0.03%	Not reported
Geode Capital Management, LLC	2.98%	$316M	0.02%	Not reported
RTW Investments, LP	2.30%	$244M	2.08%	Add 5.18%
Polar Capital Holdings Plc	1.81%	$192M	0.45%	Add 35.66%
Goldman Sachs Group Inc	1.42%	$150M	0.01%	Not reported
Capital Research Global Investors	1.36%	$144M	0.02%	Not reported
Northern Trust Corp	1.32%	$140M	0.02%	Not reported
William Blair Investment Management, LLC	1.29%	$137M	0.41%	Add 47.43%
Integral Health Asset Management, LLC	1.29%	$136M	5.38%	Not reported
JPMorgan Chase & Co	1.28%	$139M	0.01%	Not reported
Point72 Asset Management, L.P.	1.28%	$135M	0.15%	Not reported
Charles Schwab Investment Management Inc	1.26%	$133M	0.02%	Not reported
Susquehanna International Group, LLP	1.25%	$132M	0.01%	Not reported
Morgan Stanley	1.21%	$129M	0.01%	Not reported
Principal Financial Group Inc	1.05%	$112M	0.05%	Not reported
Capital International Investors	1.05%	$111M	0.02%	Reduce 2.46%
Invesco Ltd.	0.99%	$105M	0.01%	Not reported
Armistice Capital, LLC	0.97%	$102M	1.25%	Not reported
UBS Group AG	0.94%	$99.8M	0.01%	Not reported
Pictet Asset Management Holding SA	0.93%	$99M	0.09%	Add 54.53%
Frazier Life Sciences Management, L.P.	0.93%	$98.8M	2.15%	Not reported
Bank of New York Mellon Corp	0.92%	$98M	0.02%	Not reported
Holocene Advisors, LP	0.92%	$97.5M	0.22%	New Not reported
Woodline Partners LP	0.88%	$93.8M	0.29%	Not reported
D. E. Shaw & Co., Inc.	0.84%	$89.3M	0.04%	Not reported
Norges Bank	0.82%	$86.5M	0.01%	Not reported
Royalty Pharma Sub-Manager, LLC	0.79%	$83.5M	34.52%	Not reported
Nomura Asset Management International Inc.	0.77%	$81.9M	0.12%	Add 1883.82%
GW&K Investment Management, LLC	0.74%	$78M	0.61%	Not reported
Vanguard Fiduciary Trust Co	0.73%	$77.2M	0.02%	Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	0.67%	$70.5M	0.07%	Add 15.88%
Melqart Asset Management (UK) Ltd	0.62%	$65.4M	6.22%	Reduce 9.06%
Siren, L.L.C.	0.61%	$64.7M	1.31%	Add 23.62%
Fisher Asset Management, LLC	0.60%	$63.4M	0.02%	Reduce 3.20%
Foresite Capital Management IV, LLC	0.57%	$60.9M	20.98%	Add 42.00%
Balyasny Asset Management L.P.	0.57%	$60.6M	0.08%	Not reported
Deep Track Capital, LP	0.56%	$59.6M	0.87%	Reduce 49.07%
BNP Paribas Financial Markets	0.55%	$58.7M	0.02%	Not reported
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.	0.53%	$56.3M	3.08%	Not reported
Citadel Advisors LLC	0.52%	$54.6M	0.01%	Not reported
Qube Research & Technologies Ltd	0.46%	$48.8M	0.05%	Not reported
Brown Advisory Inc	0.46%	$48.6M	0.08%	Not reported

50 of 448 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock