ACT Capital Management’s Aldeyra Therapeutics ALDX Stock Holding History

ACT Capital 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
2026 Q1	–	Sell	-41,000	Closed	-$212K	–	57
2025 Q4	$212K	Buy	+41,000	New	+$211K	0.17%	42
2021 Q4	–	Sell	-1,500	Closed	-$13K	–	96
2021 Q3	$13K	Hold	1,500	–	–	0.01%	105
2021 Q2	$17K	Buy	+1,500	New	+$18K	0.01%	110

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

ACT Capital Management's ALDX Position: Q1 2026 in Review

ACT Capital Management sold out of Aldeyra Therapeutics (ALDX) in Q1 2026, closing a stake of 41,000 shares — an estimated $212K sold.

ACT Capital Management first reported a position in ALDX in Q2 2021 and held it in 3 quarters. The position peaked at $212K in Q4 2025. 126 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

ACT Capital Management reported no remaining Aldeyra Therapeutics position as of Q1 2026 after selling out during the quarter.
ACT Capital Management sold 41,000 Aldeyra Therapeutics shares in Q1 2026, an estimated $212K.
ACT Capital Management first reported a position in Aldeyra Therapeutics in Q2 2021 and held it in 3 quarters.
ACT Capital Management's Aldeyra Therapeutics position peaked at $212K in Q4 2025.
126 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on ACT Capital Management's 13F filing for Q1 2026, filed 8 May 2026.