AI Holders Summary · Q1 2026

77 institutions reported ASMB in Q1 2026. GILEAD SCIENCES, INC. leads at 35.8% 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

GILEAD SCIENCES, INC.

CIK 0000882095

$125M4.5M5.90%Q1 2026 02

FARALLON CAPITAL MANAGEMENT LLC

CIK 0000909661

$34M1.2M0.19%Q1 2026 03

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$28M1.0M0.30%Q1 2026 04

Commodore Capital LP

CIK 0001831942

$28M1.0M1.61%Q1 2026 05

JANUS HENDERSON GROUP PLC

CIK 0001274173

$23M849K0.01%Q1 2026 06

Paradigm Biocapital Advisors LP

CIK 0001855655

$18M665K0.38%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$14M490K0.00%Q1 2026 08

Parkman Healthcare Partners LLC

CIK 0001777015

$11M411K1.18%Q1 2026 09

STEMPOINT CAPITAL LP

CIK 0001952142

$10M371K0.99%Q1 2026 10

Point72 Asset Management, L.P.

CIK 0001603466

$10M344K0.01%Q1 2026 11

Blackstone Inc.

CIK 0001393818

$8M297K0.03%Q1 2026 12

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$6M234K0.00%Q1 2026 13

BlackRock, Inc.

CIK 0002012383

$6M203K0.00%Q1 2026 14

B Group, Inc.

CIK 0002043476

$5M176K3.61%Q1 2026 15

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$4M161K0.01%Q1 2026 16

MARSHALL WACE, LLP

CIK 0001318757

$4M129K0.00%Q4 2025 17

Patient Square Capital LP

CIK 0001819257

$4M136K0.67%Q1 2026 18

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$4M133K0.00%Q1 2026 19

Schonfeld Strategic Advisors LLC

CIK 0001665241

$3M121K0.02%Q1 2026 20

Caption Management, LLC

CIK 0001706766

$2M82K0.01%Q1 2026

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