AI Holders Summary · Q2 2026

111 institutions reported LBRX in Q2 2026. Deep Track Capital, LP leads at 12.8% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

Deep Track Capital, LP

CIK 0001856083

$109M3.4M1.58%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$89M2.7M0.00%Q2 2026 03

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$72M2.2M0.62%Q2 2026 04

Nantahala Capital Management, LLC

CIK 0001472322

$68M2.1M1.14%Q2 2026 05

Trails Edge Capital Partners, LP

CIK 0002077247

$49M1.5M7.85%Q2 2026 06

JPMORGAN CHASE & CO

CIK 0000019617

$49M1.5M0.00%Q2 2026 07

Commodore Capital LP

CIK 0001831942

$49M1.5M2.90%Q2 2026 08

TCG Crossover Management, LLC

CIK 0001839948

$47M1.4M1.13%Q2 2026 09

Caligan Partners LP

CIK 0001727492

$47M1.4M2.20%Q2 2026 10

Spruce Street Capital LP

CIK 0002050194

$45M1.4M8.76%Q2 2026 11

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$32M971K0.00%Q2 2026 12

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$30M921K0.04%Q2 2026 13

Alyeska Investment Group, L.P.

CIK 0001453072

$28M864K0.07%Q2 2026 14

Vivo Capital, LLC

CIK 0001674712

$26M800K2.37%Q2 2026 15

Nan Fung Group Holdings Ltd

CIK 0001782539

$20M631K15.57%Q2 2026 16

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$20M613K0.00%Q2 2026 17

STATE STREET CORP

CIK 0000093751

$20M602K0.00%Q2 2026 18

Logos Global Management LP

CIK 0001792126

$19M585K0.82%Q2 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$19M576K0.00%Q2 2026 20

JENNISON ASSOCIATES LLC

CIK 0000053417

$18M541K0.01%Q2 2026

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