CYTKCytokinetics, Incorporated

$62.93+29% 1Y

Who owns CYTK

476 institutions reported holding CYTK for 2026Q2, together 130% of the company, more than the 431 a quarter earlier.

476

Institutions reporting a position · as of 2026Q2 · up from 431 the quarter before

Shares held by institutions
160.2M

Shares held by institutions · 130% of the company · long US equity positions only, as reported on Form 13F

Reported value
$13.6B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
94 / 51

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
94
Positions exited
51
Added to
218
Reduced
93
Shares sold shortsettled Sep 15, 2026
17.5M
Short interestof shares outstanding
14%
Days to coverat the average daily volume
10.6
Change in the short positionsince the Aug 31, 2026 count
+0.22%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2476160.2M$13.6B
2026Q1431145.9M$9.61B
2025Q4425139.4M$8.86B
2025Q3376140.9M$7.74B
2025Q2308137.6M$4.55B
2025Q1351136.3M$5.58B
2024Q4344131.3M$6.18B
2024Q3345136.3M$7.20B
2024Q2341135.4M$7.34B
2024Q1386117.7M$8.25B
2023Q4345114.2M$9.54B
2023Q3249109.3M$3.22B
2023Q2252108.7M$3.55B
2023Q1260108.7M$3.83B
2022Q4275106.2M$4.86B
2022Q3276104.6M$5.07B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.20.1Mn/a$1.71B
T. Rowe Price Investment Management, Inc.18.7Mn/a$1.59B
VANGUARD GROUP INC14.0Mn/a$1.19B
WELLINGTON MANAGEMENT GROUP LLP6.9Mn/a$591M
STATE STREET CORP6.5Mn/a$553M
FMR LLC5.0Mn/a$429M
Avoro Capital Advisors LLC5.0Mn/a$426M
BANK OF AMERICA CORP /DE/4.6Mn/a$395M
GEODE CAPITAL MANAGEMENT LLC3.7Mn/a$316M
RTW INVESTMENTS, LP2.9Mn/a$244M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202617.5M14%10.6
Aug 31, 202617.4M14%9.7
Aug 14, 202616.3M13%7.7
Jul 31, 202615.3M12%9.6
Jul 15, 202617.1M14%9.0
Jun 30, 202617.6M14%5.3
Jun 15, 202614.8M12%9.3
May 29, 202615.5M13%8.6
May 15, 202616.5M13%3.4
Apr 30, 202615.9M13%9.7
Apr 15, 202614.9M12%9.0
Mar 31, 202615.8M13%7.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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