Simplex Trading’s Aldeyra Therapeutics ALDX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-39,755
Closed -$174K 8961
2025
Q4
$206K Buy
39,755
+10,579
+36% +$54.3K ﹤0.01% 4214
2025
Q3
$152K Buy
29,176
+7,993
+38% +$41.7K ﹤0.01% 5260
2025
Q2
$81K Buy
21,183
+16,472
+350% +$42.6K ﹤0.01% 5439
2025
Q1
$27K Sell
4,711
-40,521
-90% -$240K ﹤0.01% 6319
2024
Q4
$225K Buy
+45,232
New +$232K ﹤0.01% 4397
2024
Q3
Sell
-29,302
Closed -$139K 8368
2024
Q2
$96K Sell
29,302
-64,163
-69% -$251K ﹤0.01% 5416
2024
Q1
$305K Buy
93,465
+71,887
+333% +$236K ﹤0.01% 4371
2023
Q4
$75K Sell
21,578
-50,061
-70% -$154K ﹤0.01% 5656
2023
Q3
$478K Buy
+71,639
New +$532K ﹤0.01% 3448
2023
Q2
Sell
-67,325
Closed -$663K 8860
2023
Q1
$668K Buy
+67,325
New +$476K ﹤0.01% 2980
2022
Q3
Sell
-31,249
Closed -$187K 9806
2022
Q2
$124K Sell
31,249
-106,492
-77% -$366K ﹤0.01% 5264
2022
Q1
$612K Buy
137,741
+44,002
+47% +$175K ﹤0.01% 3579
2021
Q4
$374K Buy
93,739
+72,929
+350% +$556K ﹤0.01% 4229
2021
Q3
$235K Sell
20,810
-115
-0.5% -$1.05K ﹤0.01% 5344
2021
Q2
$237K Buy
20,925
+7,359
+54% +$88.5K ﹤0.01% 5398
2021
Q1
$161K Sell
13,566
-3,181
-19% -$36.6K ﹤0.01% 5069
2020
Q4
$114K Buy
16,747
+15,803
+1,674% +$111K ﹤0.01% 5309
2020
Q3
$6K Sell
944
-209
-18% -$1.35K ﹤0.01% 6999
2020
Q2
$4K Sell
1,153
-3,366
-74% -$12.3K ﹤0.01% 7034
2020
Q1
$11K Buy
+4,519
New +$20.3K ﹤0.01% 6395
2019
Q4
Sell
-581
Closed -$3.36K 7215
2019
Q3
$3K Buy
+581
New +$3.13K ﹤0.01% 6766
2019
Q1
Sell
-157
Closed -$1.33K 7059
2018
Q4
$1K Sell
157
-58,588
-100% -$600K ﹤0.01% 6689
2018
Q3
$810K Buy
58,745
+55,767
+1,873% +$452K ﹤0.01% 2101
2018
Q2
$23K Buy
2,978
+2,778
+1,389% +$22.2K ﹤0.01% 5739
2018
Q1
$1K Buy
+200
New +$1.52K ﹤0.01% 5516

Other funds holding ALDX

Simplex Trading's ALDX Position: Q1 2026 in Review

Simplex Trading sold out of Aldeyra Therapeutics (ALDX) in Q1 2026, closing a stake of 39,755 shares — an estimated $174K sold.

Simplex Trading first reported a position in ALDX in Q1 2018 and held it in 25 quarters. The position peaked at $810K in Q3 2018. 126 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

  • Simplex Trading reported no remaining Aldeyra Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 39,755 Aldeyra Therapeutics shares in Q1 2026, an estimated $174K.
  • Simplex Trading first reported a position in Aldeyra Therapeutics in Q1 2018 and held it in 25 quarters.
  • Simplex Trading's Aldeyra Therapeutics position peaked at $810K in Q3 2018.
  • 126 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.