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Aldeyra Therapeutics

124 hedge funds and large institutions have $63.3M invested in Aldeyra Therapeutics in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 50 increasing their positions, 37 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

8% less funds holding

Funds holding: 135124 (-11)

28% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 29

69% less capital invested

Capital invested by funds: $202M → $63.3M (-$139M)

Holders
124
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.35M
Puts
$823K
Net Calls
Net Calls Change

Top Buyers

1 +$7.02M
2 +$4.17M
3 +$3.2M
4
Jane Street
Jane Street
New York
+$2.91M
5
Renaissance Technologies
Renaissance Technologies
New York
+$2.25M
Name Holding Trade Value Shares
Change
Change in
Stake
AIP
101
Ameritas Investment Partners
Nebraska
$6.5K
QT
102
Quantbot Technologies
New York
$6.41K
MCM
103
MAI Capital Management
Ohio
$5.42K
Citigroup
104
Citigroup
New York
$5.26K
Federated Hermes
105
Federated Hermes
Pennsylvania
$5.01K
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$4.96K
AF
107
Allworth Financial
California
$3.52K
IA
108
IFP Advisors
Florida
$2.44K
Royal Bank of Canada
109
Royal Bank of Canada
Ontario, Canada
$2K
GI
110
GAMMA Investing
California
$1.89K
SCM
111
Sterling Capital Management
North Carolina
$1.05K
AAP
112
Arax Advisory Partners
Colorado
$804
RFP
113
Root Financial Partners
California
$759
PNC Financial Services Group
114
PNC Financial Services Group
Pennsylvania
$624
RIL
115
Rothschild Investment LLC
Illinois
$608
SIC
116
SJS Investment Consulting
Ohio
$480
TC
117
Truvestments Capital
Florida
$448
SS
118
SBI Securities
Japan
$444
QCG
119
Quadrant Capital Group
Ohio
$313
TWD
120
True Wealth Design
Ohio
$268
HWM
121
HighMark Wealth Management
Minnesota
$261
VCM
122
Versant Capital Management
Arizona
$235
TWC
123
TD Waterhouse Canada
Ontario, Canada
$25
JWM
124
JPL Wealth Management
Colorado
$24
PA
125
Perceptive Advisors
New York