AI Holders Summary · Q1 2026

222 institutions reported CMPX in Q1 2026. TANG CAPITAL MANAGEMENT LLC leads at 20.1% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

TANG CAPITAL MANAGEMENT LLC

CIK 0001232621

$89M16.8M4.51%Q1 2026 02

SUVRETTA CAPITAL MANAGEMENT, LLC

CIK 0001569064

$76M14.3M1.93%Q1 2026 03

BVF INC/IL

CIK 0001056807

$42M7.8M1.40%Q4 2025 04

ORBIMED ADVISORS LLC

CIK 0001055951

$33M15.2M0.62%Q2 2026 05

BlackRock, Inc.

CIK 0002012383

$25M11.3M0.00%Q2 2026 06

STATE STREET CORP

CIK 0000093751

$22M10.0M0.00%Q2 2026 07

DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 0001009258

$19M3.6M0.25%Q4 2025 08

Enavate Sciences GP, LLC

CIK 0001953107

$17M7.8M4.94%Q2 2026 09

Vivo Capital, LLC

CIK 0001674712

$17M7.8M1.55%Q2 2026 10

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$13M6.1M0.00%Q2 2026 11

Palo Alto Investors LP

CIK 0001306923

$13M5.8M1.76%Q2 2026 12

BRAIDWELL LP

CIK 0001920938

$10M2.0M0.35%Q1 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$10M4.7M0.00%Q2 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$8M3.8M0.00%Q2 2026 15

Vanguard Portfolio Management

CIK 0002100121· Index

$8M3.8M0.00%Q2 2026 16

CITADEL ADVISORS LLC

CIK 0001423053

$8M3.7M0.00%Q2 2026 17

Qube Research & Technologies Ltd

CIK 0001729829

$8M3.7M0.01%Q2 2026 18

Blue Owl Capital Holdings LP

CIK 0001858703

$8M3.6M1.19%Q2 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$8M3.5M0.00%Q2 2026 20

Rock Springs Capital Management LP

CIK 0001595725

$8M3.5M0.38%Q2 2026

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