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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — ALDX
Institutional Holdings
Insider Transactions
US Institutional Ownership
60.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
Knoll Capital Management, LLC
5.48M
$9.0M
9.08%
--
2026-03-31
BlackRock, Inc.
3.76M
$6.0M
6.24%
-86.2K
2026-03-31
AQR CAPITAL MANAGEMENT LLC
2.83M
$4.0M
4.69%
+1.60M
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
2.36M
$3.0M
3.92%
--
2026-03-31
KINGDON CAPITAL MANAGEMENT, L.L.C.
2.15M
$3.0M
3.57%
+302.3K
2026-03-31
683 Capital Management, LLC
1.50M
$2.0M
2.49%
-30.0K
2026-03-31
D. E. Shaw & Co., Inc.
1.40M
$2.0M
2.33%
-197.3K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
1.25M
$2.0M
2.07%
+81.1K
2026-03-31
ARDSLEY ADVISORY PARTNERS LP
1.25M
$2.0M
2.07%
-250.0K
2026-03-31
JANE STREET GROUP, LLC
1.14M
$1.0M
1.89%
+757.6K
2026-03-31
STATE STREET CORP
1.12M
$1.0M
1.86%
+26.1K
2026-03-31
MILLENNIUM MANAGEMENT LLC
995.2K
$1.0M
1.65%
+951.2K
2026-03-31
RENAISSANCE TECHNOLOGIES LLC
863.2K
$1.0M
1.43%
+513.2K
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
807.8K
$1.0M
1.34%
--
2026-03-31
JACOBS LEVY EQUITY MANAGEMENT, INC
796.8K
$1.0M
1.32%
-171.9K
2026-03-31
Propel Bio Management, LLC
730.6K
$1.0M
1.21%
--
2026-03-31
DIMENSIONAL FUND ADVISORS LP
624.2K
$1.0M
1.03%
+11.9K
2026-03-31
GOLDMAN SACHS GROUP INC
543.1K
--
0.90%
+237.4K
2026-03-31
UBS Group AG
537.6K
--
0.89%
+441.9K
2026-03-31
MORGAN STANLEY
518.6K
--
0.86%
-138.4K
2026-03-31
CITADEL ADVISORS LLC
416.8K
--
0.69%
+63.9K
2026-03-31
NORTHERN TRUST CORP
374.8K
--
0.62%
-4.6K
2026-03-31
VANGUARD FIDUCIARY TRUST CO
338.6K
--
0.56%
--
2026-03-31
HRT FINANCIAL LP
286.4K
--
0.47%
--
2026-03-31
WOODSTOCK CORP
266.8K
--
0.44%
--
2026-03-31
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