AI Holders Summary · Q2 2026

486 institutions reported CYTK in Q2 2026. BlackRock, Inc. leads at 22.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$1.7B20.1M0.03%Q2 2026 02

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$1.2B17.5M0.80%Q1 2026 03

FMR LLC

CIK 0000315066

$707M10.7M0.04%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$553M6.5M0.02%Q2 2026 05

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$528M8.0M0.10%Q1 2026 06

Vanguard Portfolio Management

CIK 0002100121· Index

$385M5.8M0.02%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$362M5.5M0.01%Q1 2026 08

Avoro Capital Advisors LLC

CIK 0001633313

$220M3.3M2.16%Q1 2026 09

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$212M3.2M0.01%Q1 2026 10

BANK OF AMERICA CORP /DE/

CIK 0000070858

$206M3.1M0.02%Q1 2026 11

RTW INVESTMENTS, LP

CIK 0001493215

$179M2.7M1.78%Q1 2026 12

ARMISTICE CAPITAL, LLC

CIK 0001601086

$176M2.7M3.12%Q1 2026 13

Integral Health Asset Management, LLC

CIK 0001773206

$171M2.6M8.20%Q1 2026 14

GOLDMAN SACHS GROUP INC

CIK 0000886982

$162M2.5M0.02%Q1 2026 15

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$147M2.2M0.02%Q1 2026 16

UBS Group AG

CIK 0001610520

$139M2.1M0.02%Q1 2026 17

Caption Management, LLC

CIK 0001706766

$122M1.9M0.71%Q1 2026 18

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$112M1.3M0.05%Q2 2026 19

Polar Capital Holdings Plc

CIK 0001837309

$109M1.7M0.39%Q1 2026 20

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$104M1.6M0.01%Q1 2026

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