AI Holders Summary · Q2 2026

66 institutions reported FBRX in Q2 2026. ORBIMED ADVISORS LLC leads at 9.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(1 on this page)

#HolderValueShares% port.Quarter

ORBIMED ADVISORS LLC

CIK 0001055951

$34M1.6M0.62%Q2 2026 02

FRED ALGER MANAGEMENT, LLC

CIK 0000003520

$33M1.3M0.14%Q1 2026 03

JANUS HENDERSON GROUP PLC

CIK 0001274173

$31M1.2M0.01%Q1 2026 04

Jupiter Topco LLC

CIK 0002146052

$29M1.4M0.01%Q2 2026 05

BlackRock, Inc.

CIK 0002012383

$26M1.2M0.00%Q2 2026 06

Affinity Asset Advisors, LLC

CIK 0001773195

$24M1.1M1.10%Q2 2026 07

MPM BioImpact LLC

CIK 0001687078

$21M987K1.28%Q2 2026 08

TCG Crossover Management, LLC

CIK 0001839948

$20M920K0.47%Q2 2026 09

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$18M862K0.00%Q2 2026 10

Woodline Partners LP

CIK 0001784547

$15M713K0.05%Q2 2026 11

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$15M700K0.02%Q2 2026 12

Integral Health Asset Management, LLC

CIK 0001773206

$14M675K0.57%Q2 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$14M655K0.01%Q2 2026 14

TYBOURNE CAPITAL MANAGEMENT (HK) LTD

CIK 0001553936

$12M787K38.15%Q3 2025 15

CITADEL ADVISORS LLC

CIK 0001423053

$12M547K0.00%Q2 2026 16

AMERIPRISE FINANCIAL INC

CIK 0000820027

$9M419K0.00%Q2 2026 17

Cable Car Capital, LP

CIK 0001699575

$9M400K0.18%Q2 2026 18

Boxer Capital Management, LLC

CIK 0002018299

$6M275K0.44%Q2 2026 19

Trails Edge Capital Partners, LP

CIK 0002077247

$6M273K0.92%Q2 2026 20

SPHERA FUNDS MANAGEMENT LTD.

CIK 0001496201

$5M250K0.69%Q2 2026

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