Cytokinetics Inc (CYTK) Institutional Ownership

Institutions by Trading Activity

119,982,000Shares Outstanding

150,029,468Shares held by institutions

$9,805,926,028Value of institutional holdings

125.04%Institutional ownership %

6.71%Shares Changed QoQ

417No. of institutional investors

Cytokinetics Inc (NASDAQ:CYTK) has 416 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 122.2% of outstanding stock in December 2025, down from 126.9% the prior quarter.
They increased total shares held in CYTK by 4.89% quarter over quarter, and investors in Cytokinetics increased 21.99% from a year ago.
Of these 416 holders, 239 added to their stakes in Cytokinetics, 129 trimmed positions, and 48 made no changes.
Institutional investors collectively held 146.66Mn shares in Cytokinetics as of December 2025, up by 6.84Mn shares quarter on quarter, and up 13.17Mn shares year over year.
As of December 31, 2025, Sankala Group LLC held the largest stake in Cytokinetics with 201 shares, accounting for 0.0% of total shares outstanding.
Business Quant data shows the 1 biggest positions in Cytokinetics as of December 2025 are held by Sankala Group LLC (201).

150,029,468 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	27,106,776	8,026,280	42.07%	$1,722,366.00
BlackRock, Inc.	31 Dec, 2025	16,395,123	869,376	5.60%	$1,041,746,107.00
FMR LLC	31 Dec, 2025	12,807,752	-283,895	-2.17%	$813,804,582.00
VANGUARD GROUP INC	31 Dec, 2025	12,048,131	191,336	1.61%	$765,538,243.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	7,937,063	528,502	7.13%	$504,320,984.00
State Street Corp	31 Dec, 2025	5,825,295	207,961	3.70%	$370,139,244.00
Goldman Sachs Group Inc	31 Dec, 2025	4,743,326	3,108,603	190.16%	$301,390,935.00
Deep Track Capital, LP	31 Dec, 2025	3,336,998	-963,002	-22.40%	$212,032,853.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,056,017	15,815	0.52%	$194,213,741.00
Bank Of America Corp /De/	31 Dec, 2025	2,941,152	-3,182,440	-51.97%	$186,880,798.00
RTW INVESTMENTS, LP	31 Dec, 2025	2,721,158	0	0.00%	$172,902,379.00
Polar Capital Holdings Plc	31 Dec, 2025	2,422,612	-360,318	-12.95%	$153,932,766.00
Woodline Partners LP	31 Dec, 2025	1,648,428	703	0.04%	$104,741,115.00
Jpmorgan Chase & Co	31 Dec, 2025	1,412,797	-1,672,917	-54.21%	$89,769,121.00
Integral Health Asset Management, LLC	31 Dec, 2025	1,400,000	0	0.00%	$88,956,000.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	1,383,437	9,554	0.70%	$87,903,587.00
Northern Trust Corp	31 Dec, 2025	1,380,787	-26,045	-1.85%	$87,735,208.00
Morgan Stanley	31 Dec, 2025	1,265,301	-255,885	-16.82%	$80,397,317.00
Capital International Investors	31 Dec, 2025	1,178,780	0	0.00%	$74,899,681.00
CITADEL ADVISORS LLC	31 Dec, 2025	1,162,937	-223,128	-16.10%	$73,893,017.00

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