AI Holders Summary · Q2 2026

130 institutions reported TRAX in Q2 2026. EcoR1 Capital, LLC leads at 12.5% 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

EcoR1 Capital, LLC

CIK 0001587114

$64M3.2M3.11%Q2 2026 02

TCG Crossover Management, LLC

CIK 0001839948

$58M2.9M1.40%Q2 2026 03

FMR LLC

CIK 0000315066

$41M2.1M0.00%Q2 2026 04

Affinity Asset Advisors, LLC

CIK 0001773195

$41M2.0M1.85%Q2 2026 05

BlackRock, Inc.

CIK 0002012383

$40M2.0M0.00%Q2 2026 06

Trails Edge Capital Partners, LP

CIK 0002077247

$30M1.5M4.84%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$30M1.5M0.00%Q2 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$29M1.5M0.00%Q2 2026 09

Jupiter Topco LLC

CIK 0002146052

$22M1.1M0.01%Q2 2026 10

Woodline Partners LP

CIK 0001784547

$18M917K0.06%Q2 2026 11

Sanofi

CIK 0001121404

$17M822K3.10%Q2 2026 12

MORGAN STANLEY

CIK 0000895421

$16M782K0.00%Q2 2026 13

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$15M729K0.02%Q2 2026 14

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$14M715K0.02%Q2 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$14M702K0.00%Q2 2026 16

BANK OF AMERICA CORP /DE/

CIK 0000070858

$13M648K0.00%Q2 2026 17

STEMPOINT CAPITAL LP

CIK 0001952142

$13M623K2.16%Q2 2026 18

Palo Alto Investors LP

CIK 0001306923

$12M603K1.68%Q2 2026 19

Sofinnova Investments, Inc.

CIK 0001631134

$11M565K0.59%Q2 2026 20

Vanguard Portfolio Management

CIK 0002100121· Index

$11M547K0.00%Q2 2026

Page 1 of 7

110 more holders available. Log in →