State of Wisconsin Investment Board’s Aldeyra Therapeutics ALDX Stock Holding History

State of Wisconsin Investment Board’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	-81,366	Closed	-$421K	–	2495
2025 Q4	$421K	Buy	81,366 +20,472	+34%	+$105K	﹤0.01%	2030
2025 Q3	$318K	Buy	+60,894	New	+$318K	﹤0.01%	2082
2023 Q4	–	Sell	-40,077	Closed	-$268K	–	2365
2023 Q3	$268K	Sell	40,077 -927	-2%	-$6.88K	﹤0.01%	2115
2023 Q2	$344K	Buy	+41,004	New	+$404K	﹤0.01%	1950
2022 Q2	–	Sell	-62,700	Closed	-$279K	–	2793
2022 Q1	$279K	Hold	62,700	–	–	﹤0.01%	2111
2021 Q4	$251K	Hold	62,700	–	–	﹤0.01%	2052
2021 Q3	$551K	Hold	62,700	–	–	﹤0.01%	1667
2021 Q2	$710K	Buy	+62,700	New	+$754K	﹤0.01%	1575
2020 Q3	–	Sell	-22,100	Closed	-$92K	–	1950
2020 Q2	$92K	Buy	+22,100	New	+$80.7K	﹤0.01%	1650
2019 Q3	–	Sell	-30,400	Closed	-$182K	–	1542
2019 Q2	$182K	Buy	30,400 +700	+2%	+$5.27K	﹤0.01%	1493
2019 Q1	$268K	Buy	29,700 +12,100	+69%	+$103K	﹤0.01%	1435
2018 Q4	$146K	Hold	17,600	–	–	﹤0.01%	1475
2018 Q3	$243K	Buy	+17,600	New	+$143K	﹤0.01%	1484

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

State of Wisconsin Investment Board's ALDX Position: Q1 2026 in Review

State of Wisconsin Investment Board sold out of Aldeyra Therapeutics (ALDX) in Q1 2026, closing a stake of 81,366 shares — an estimated $421K sold.

State of Wisconsin Investment Board first reported a position in ALDX in Q3 2018 and held it in 13 quarters. The position peaked at $710K in Q2 2021. 127 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

State of Wisconsin Investment Board reported no remaining Aldeyra Therapeutics position as of Q1 2026 after selling out during the quarter.
State of Wisconsin Investment Board sold 81,366 Aldeyra Therapeutics shares in Q1 2026, an estimated $421K.
State of Wisconsin Investment Board first reported a position in Aldeyra Therapeutics in Q3 2018 and held it in 13 quarters.
State of Wisconsin Investment Board's Aldeyra Therapeutics position peaked at $710K in Q2 2021.
127 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.