AI Holders Summary · Q1 2026

891 institutions reported UTHR in Q1 2026. BlackRock, Inc. leads at 20.2% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$3.2B5.4M0.06%Q1 2026 02

Avoro Capital Advisors LLC

CIK 0001633313

$1.6B3.0M15.44%Q1 2026 03

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$1.3B2.3M0.25%Q1 2026 04

Vanguard Portfolio Management

CIK 0002100121· Index

$1.2B2.0M0.06%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1.2B2.0M0.03%Q1 2026 06

STATE STREET CORP

CIK 0000093751

$1.1B1.8M0.04%Q1 2026 07

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$1.1B1.8M1.66%Q1 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$730M1.2M0.05%Q1 2026 09

Caption Management, LLC

CIK 0001706766

$683M1.2M3.99%Q1 2026 10

JANUS HENDERSON GROUP PLC

CIK 0001274173

$514M867K0.25%Q1 2026 11

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$511M862K0.06%Q1 2026 12

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$486M826K0.22%Q1 2026 13

Invesco Ltd.

CIK 0000914208

$361M608K0.04%Q1 2026 14

FMR LLC

CIK 0000315066

$313M528K0.02%Q1 2026 15

ASSETMARK, INC

CIK 0001344551

$309M635K0.63%Q4 2025 16

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$304M513K0.06%Q1 2026 17

NORTHERN TRUST CORP

CIK 0000073124· Index

$259M437K0.03%Q1 2026 18

BAILLIE GIFFORD & CO

CIK 0001088875

$254M428K0.26%Q1 2026 19

MORGAN STANLEY

CIK 0000895421

$243M409K0.01%Q1 2026 20

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$240M405K0.03%Q1 2026

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