AI Holders Summary · Q4 2025

124 institutions reported ALDX in Q4 2025. Knoll Capital Management, LLC leads at 33.6% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

Knoll Capital Management, LLC

CIK 0001325083

$28M5.5M13.01%Q4 2025 02

D. E. Shaw & Co., Inc.

CIK 0001009207

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

683 Capital Management, LLC

CIK 0001404574

$8M1.5M0.34%Q4 2025 04

BlackRock, Inc.

CIK 0002012383

$6M3.8M0.00%Q1 2026 05

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$5M2.8M0.00%Q1 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$4M2.4M0.00%Q1 2026 07

KINGDON CAPITAL MANAGEMENT, L.L.C.

CIK 0001000097

$4M2.2M0.40%Q1 2026 08

ARDSLEY ADVISORY PARTNERS LP

CIK 0000900529

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

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M1.3M0.00%Q1 2026 10

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$2M1.1M0.00%Q1 2026 11

STATE STREET CORP

CIK 0000093751

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

CITADEL ADVISORS LLC

CIK 0001423053

$2M353K0.00%Q4 2025 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$2M995K0.00%Q1 2026 14

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$1M863K0.00%Q1 2026 15

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$1M858K0.00%Q1 2026 16

Vanguard Portfolio Management

CIK 0002100121· Index

$1M808K0.00%Q1 2026 17

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$1M797K0.01%Q1 2026 18

Propel Bio Management, LLC

CIK 0001969764

$1M731K0.78%Q1 2026 19

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$1M624K0.00%Q1 2026 20

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$1M622K0.00%Q1 2026

Page 1 of 7

104 more holders available. Log in →