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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — CYTK
Institutional Holdings
Insider Transactions
US Institutional Ownership
100.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
T. Rowe Price Investment Management, Inc.
17.52M
$1.15B
--
+8.13M
2026-03-31
BlackRock, Inc.
16.55M
$1.09B
--
+152.9K
2026-03-31
FMR LLC
10.72M
$706.0M
--
-2.08M
2026-03-31
WELLINGTON MANAGEMENT GROUP LLP
8.01M
$527.0M
--
+72.4K
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
5.84M
$385.0M
--
--
2026-03-31
STATE STREET CORP
5.75M
$378.0M
--
-80.1K
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
5.49M
$361.0M
--
--
2026-03-31
Avoro Capital Advisors LLC
3.33M
$219.0M
--
--
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
3.22M
$211.0M
--
+159.4K
2026-03-31
BANK OF AMERICA CORP /DE/
3.13M
$205.0M
--
+184.3K
2026-03-31
RTW INVESTMENTS, LP
2.72M
$179.0M
--
--
2026-03-31
ARMISTICE CAPITAL, LLC
2.66M
$175.0M
--
+171.8K
2026-03-31
Integral Health Asset Management, LLC
2.60M
$171.0M
--
+700.0K
2026-03-31
GOLDMAN SACHS GROUP INC
2.46M
$161.0M
--
-137.3K
2026-03-31
UBS Group AG
2.10M
$138.0M
--
+970.7K
2026-03-31
Caption Management, LLC
1.86M
$122.0M
--
+1.33M
2026-03-31
Polar Capital Holdings Plc
1.66M
$109.0M
--
-794.4K
2026-03-31
PRICE T ROWE ASSOCIATES INC /MD/
1.58M
$104.0M
--
-345.8K
2026-03-31
CITADEL ADVISORS LLC
1.55M
$102.0M
--
-19.3K
2026-03-31
MORGAN STANLEY
1.51M
$99.0M
--
+239.8K
2026-03-31
Paradigm Biocapital Advisors LP
1.48M
$97.0M
--
--
2026-03-31
NORTHERN TRUST CORP
1.44M
$95.0M
--
+60.8K
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
1.40M
$92.0M
--
+13.6K
2026-03-31
Deep Track Capital, LP
1.37M
$90.0M
--
-1.96M
2026-03-31
Capital International Investors
1.34M
$88.0M
--
+160.0K
2026-03-31
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