AI Holders Summary · Q2 2026

236 institutions reported RCUS in Q2 2026. GILEAD SCIENCES, INC. leads at 31.8% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

GILEAD SCIENCES, INC.

CIK 0000882095

$969M31.4M58.76%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$506M16.4M0.01%Q2 2026 03

STATE STREET CORP

CIK 0000093751

$186M6.0M0.01%Q2 2026 04

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$182M5.9M0.03%Q2 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$138M4.5M0.01%Q2 2026 06

FMR LLC

CIK 0000315066

$125M4.0M0.01%Q2 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$120M3.9M0.00%Q2 2026 08

SUVRETTA CAPITAL MANAGEMENT, LLC

CIK 0001569064

$109M5.0M2.78%Q1 2026 09

CITADEL ADVISORS LLC

CIK 0001423053

$97M3.2M0.01%Q2 2026 10

Woodline Partners LP

CIK 0001784547

$93M3.0M0.29%Q2 2026 11

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$76M2.4M0.00%Q2 2026 12

Siren, L.L.C.

CIK 0002005245

$75M2.4M1.51%Q2 2026 13

Fisher Asset Management, LLC

CIK 0000850529

$66M2.1M0.02%Q2 2026 14

MARSHALL WACE, LLP

CIK 0001318757

$60M1.9M0.05%Q2 2026 15

SAMLYN CAPITAL, LLC

CIK 0001421097

$48M1.5M0.78%Q2 2026 16

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$44M1.4M0.01%Q2 2026 17

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$44M1.4M0.04%Q2 2026 18

GOLDMAN SACHS GROUP INC

CIK 0000886982

$43M1.4M0.00%Q2 2026 19

Soleus Capital Management, L.P.

CIK 0001802630

$36M1.2M1.24%Q2 2026 20

Sofinnova Investments, Inc.

CIK 0001631134

$29M946K1.51%Q2 2026

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