AI Holders Summary · Q2 2026

216 institutions reported ARVN in Q2 2026. BlackRock, Inc. leads at 17.0% 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

BlackRock, Inc.

CIK 0002012383

$63M7.6M0.00%Q2 2026 02

D. E. Shaw & Co., Inc.

CIK 0001009207

$44M3.7M0.02%Q4 2025 03

Vanguard Portfolio Management

CIK 0002100121· Index

$34M4.1M0.00%Q2 2026 04

PFIZER INC

CIK 0000078003

$28M3.5M16.24%Q2 2026 05

ARMISTICE CAPITAL, LLC

CIK 0001601086

$23M2.8M0.28%Q2 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$23M2.7M0.00%Q2 2026 07

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$21M2.6M0.02%Q2 2026 08

STATE STREET CORP

CIK 0000093751

$18M2.2M0.00%Q2 2026 09

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$15M1.4M0.06%Q1 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$14M1.7M0.00%Q2 2026 11

New Leaf Venture Partners, L.L.C.

CIK 0001631614

$14M1.6M32.68%Q3 2025 12

Qube Research & Technologies Ltd

CIK 0001729829

$13M1.6M0.01%Q2 2026 13

FEDERATED HERMES, INC.

CIK 0001056288

$11M1.4M0.02%Q2 2026 14

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$10M950K0.01%Q1 2026 15

Vestal Point Capital, LP

CIK 0001974915

$10M905K0.27%Q1 2026 16

TWO SIGMA ADVISERS, LP

CIK 0001478735

$7M620K0.01%Q4 2025 17

Nextech Invest, Ltd.

CIK 0001595430

$6M539K0.62%Q4 2025 18

Hillsdale Investment Management Inc.

CIK 0001368465

$6M751K0.14%Q2 2026 19

TCG Crossover Management, LLC

CIK 0001839948

$6M707K0.14%Q2 2026 20

TANG CAPITAL MANAGEMENT LLC

CIK 0001232621

$6M539K0.29%Q1 2026

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