Caption Management’s Aldeyra Therapeutics ALDX Stock Holding History

Caption Management’s Portfolio ALDX Stock Details ALDX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-300,800	Closed	-$1.73M	–	1399
2025 Q1	$1.73M	Sell	300,800 -98,800	-25%	-$584K	0.02%	736
2024 Q4	$1.99M	Buy	+399,600	New	+$2.05M	0.02%	689
2022 Q2	–	Sell	-190,000	Closed	-$846K	–	1405
2022 Q1	$846K	Buy	190,000 +51,400	+37%	+$205K	0.01%	1026
2021 Q4	$555K	Buy	138,600 +25,200	+22%	+$192K	0.01%	1226
2021 Q3	$996K	Buy	+113,400	New	+$1.04M	0.01%	1019

Other funds holding ALDX

KCM

Knoll Capital Management Miami, Florida $180M AUM 66.11% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

KCM

Kingdon Capital Management New York $911M AUM 51.11% 1-Year Est. Return

6CM

683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Caption Management's ALDX Position: Q1 2026 in Review

Caption Management increased its Aldeyra Therapeutics (ALDX) stake by 371% in Q1 2026, buying an estimated $570K and bringing the position to 165,000 shares worth $279K. The position accounts for ﹤0.01% of the portfolio, ranked #1304.

Caption Management first reported a position in ALDX in Q3 2021 and has held it in 7 quarters since. The position peaked at $1.98M in Q4 2024. 126 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

Caption Management held 165,000 shares of Aldeyra Therapeutics worth $279K as of Q1 2026.
Caption Management bought 130,000 Aldeyra Therapeutics shares in Q1 2026, an estimated $570K.
Aldeyra Therapeutics made up ﹤0.01% of Caption Management's portfolio in Q1 2026, its #1304 holding.
Caption Management first reported a position in Aldeyra Therapeutics in Q3 2021 and has held it in 7 quarters since.
Caption Management's Aldeyra Therapeutics position peaked at $1.98M in Q4 2024.
126 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on Caption Management's 13F filing for Q1 2026, filed 15 May 2026.