AI Holders Summary · Q1 2026

109 institutions reported CRBP in Q1 2026. Cormorant Asset Management, LP leads at 20.5% 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

Cormorant Asset Management, LP

CIK 0001583977

$22M2.3M1.11%Q1 2026 02

ORBIMED ADVISORS LLC

CIK 0001055951

$16M1.7M0.32%Q1 2026 03

Aberdeen Group plc

CIK 0001716774

$12M1.3M0.02%Q1 2026 04

CITADEL ADVISORS LLC

CIK 0001423053

$7M900K0.00%Q4 2025 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$7M734K0.00%Q1 2026 06

Prosight Management, LP

CIK 0001617201

$7M697K1.07%Q1 2026 07

DIADEMA PARTNERS LP

CIK 0002026172

$5M555K0.89%Q1 2026 08

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$4M418K0.00%Q1 2026 09

Stonepine Capital Management, LLC

CIK 0001440771

$4M383K1.44%Q1 2026 10

ADAR1 Capital Management, LLC

CIK 0001940272

$3M367K0.20%Q1 2026 11

ARMISTICE CAPITAL, LLC

CIK 0001601086

$3M364K0.06%Q1 2026 12

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$3M347K0.01%Q1 2026 13

BlackRock, Inc.

CIK 0002012383

$3M272K0.00%Q1 2026 14

Exome Asset Management LLC

CIK 0002011932

$2M234K1.14%Q1 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M187K0.00%Q1 2026 16

COMERICA BANK

CIK 0000901541

$2M200K0.01%Q4 2025 17

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

CIK 0001705339

$2M160K0.00%Q1 2026 18

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$1M137K0.00%Q1 2026 19

Persistent Asset Partners Ltd

CIK 0002056052

$1M112K0.42%Q1 2026 20

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$1M109K0.00%Q1 2026

Page 1 of 6

89 more holders available. Log in →