AI Holders Summary · Q1 2026

75 institutions reported LBRX in Q1 2026. Deep Track Capital, LP leads at 13.6% 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

$83M3.4M1.35%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$61M2.5M0.00%Q1 2026 03

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$54M2.2M0.58%Q1 2026 04

TCG Crossover Management, LLC

CIK 0001839948

$45M1.8M1.30%Q1 2026 05

Commodore Capital LP

CIK 0001831942

$37M1.5M2.14%Q1 2026 06

Caligan Partners LP

CIK 0001727492

$35M1.4M2.30%Q1 2026 07

Spruce Street Capital LP

CIK 0002050194

$34M1.4M8.09%Q1 2026 08

JPMORGAN CHASE & CO

CIK 0000019617

$33M1.4M0.00%Q1 2026 09

Trails Edge Capital Partners, LP

CIK 0002077247

$31M1.4M7.68%Q4 2025 10

Nantahala Capital Management, LLC

CIK 0001472322

$26M1.1M0.96%Q1 2026 11

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$23M924K0.03%Q1 2026 12

Logos Global Management LP

CIK 0001792126

$23M915K1.13%Q1 2026 13

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$22M895K0.00%Q1 2026 14

Vivo Capital, LLC

CIK 0001674712

$20M800K1.64%Q1 2026 15

JENNISON ASSOCIATES LLC

CIK 0000053417

$18M822K0.01%Q4 2025 16

Nan Fung Group Holdings Ltd

CIK 0001782539

$16M631K12.82%Q1 2026 17

Alyeska Investment Group, L.P.

CIK 0001453072

$15M675K0.04%Q4 2025 18

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$13M518K0.00%Q1 2026 19

STATE STREET CORP

CIK 0000093751

$12M504K0.00%Q1 2026 20

CITADEL ADVISORS LLC

CIK 0001423053

$9M408K0.00%Q4 2025

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