AI Holders Summary · Q2 2026

107 institutions reported ALDX in Q2 2026. Knoll Capital Management, LLC leads at 16.1% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

Knoll Capital Management, LLC

CIK 0001325083

$12M5.5M5.44%Q2 2026 02

D. E. Shaw & Co., Inc.

CIK 0001009207

$8M1.6M0.00%Q4 2025 03

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$8M3.8M0.00%Q2 2026 04

683 Capital Management, LLC

CIK 0001404574

$8M1.5M0.34%Q4 2025 05

KINGDON CAPITAL MANAGEMENT, L.L.C.

CIK 0001000097

$6M2.7M0.58%Q2 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$5M2.4M0.00%Q2 2026 07

MARSHALL WACE, LLP

CIK 0001318757

$3M1.5M0.00%Q2 2026 08

ARDSLEY ADVISORY PARTNERS LP

CIK 0000900529

$3M1.3M0.28%Q2 2026 09

BlackRock, Inc.

CIK 0002012383

$3M1.3M0.00%Q2 2026 10

Qube Research & Technologies Ltd

CIK 0001729829

$2M1.1M0.00%Q2 2026 11

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$2M1.1M0.00%Q1 2026 12

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$2M882K0.00%Q2 2026 13

Vanguard Portfolio Management

CIK 0002100121· Index

$2M795K0.00%Q2 2026 14

GOLDMAN SACHS GROUP INC

CIK 0000886982

$2M725K0.00%Q2 2026 15

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$1M858K0.00%Q1 2026 16

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$1M797K0.01%Q1 2026 17

MORGAN STANLEY

CIK 0000895421

$1M608K0.00%Q2 2026 18

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1M596K0.00%Q2 2026 19

CITADEL ADVISORS LLC

CIK 0001423053

$1M543K0.00%Q2 2026 20

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$1M529K0.00%Q2 2026

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