Group One 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
-83,449
Closed -$366K 7535
2025
Q4
$432K Sell
83,449
-30,135
-27% -$155K ﹤0.01% 3661
2025
Q3
$593K Sell
113,584
-19,403
-15% -$101K ﹤0.01% 3519
2025
Q2
$509K Sell
132,987
-31,424
-19% -$81.2K ﹤0.01% 3405
2025
Q1
$945K Sell
164,411
-39,740
-19% -$235K ﹤0.01% 2512
2024
Q4
$1.02M Buy
204,151
+174,719
+594% +$897K ﹤0.01% 2558
2024
Q3
$159K Buy
29,432
+27,586
+1,494% +$131K ﹤0.01% 3828
2024
Q2
$6.11K Sell
1,846
-4,200
-69% -$16.4K ﹤0.01% 5871
2024
Q1
$19.8K Sell
6,046
-6,959
-54% -$22.9K ﹤0.01% 5423
2023
Q4
$45.6K Sell
13,005
-52,541
-80% -$162K ﹤0.01% 5136
2023
Q3
$438K Buy
+65,546
New +$486K ﹤0.01% 3039
2023
Q2
Sell
-100,909
Closed -$994K 7600
2023
Q1
$1M Buy
100,909
+86,292
+590% +$610K ﹤0.01% 2142
2022
Q4
$102K Sell
14,617
-11,296
-44% -$64.6K ﹤0.01% 4428
2022
Q3
$138K Buy
25,913
+2,597
+11% +$15.6K ﹤0.01% 4476
2022
Q2
$93K Sell
23,316
-49,752
-68% -$171K ﹤0.01% 5044
2022
Q1
$325K Sell
73,068
-5,800
-7% -$23.1K ﹤0.01% 4282
2021
Q4
$315K Sell
78,868
-2,453
-3% -$18.7K ﹤0.01% 4614
2021
Q3
$714K Buy
+81,321
New +$746K ﹤0.01% 3784
2021
Q2
Sell
-60,553
Closed -$728K 8089
2021
Q1
$719K Buy
+60,553
New +$697K ﹤0.01% 3619
2020
Q4
Sell
-24,162
Closed -$170K 6422
2020
Q3
$179K Buy
24,162
+14,415
+148% +$93.1K ﹤0.01% 3735
2020
Q2
$41K Buy
9,747
+2,645
+37% +$9.66K ﹤0.01% 4476
2020
Q1
$18K Sell
7,102
-4,073
-36% -$18.3K ﹤0.01% 4272
2019
Q4
$65K Buy
11,175
+4,912
+78% +$28.4K ﹤0.01% 3881
2019
Q3
$33K Sell
6,263
-9,200
-59% -$49.5K ﹤0.01% 4168
2019
Q2
$93K Sell
15,463
-12,092
-44% -$91K ﹤0.01% 3409
2019
Q1
$249K Buy
+27,555
New +$234K ﹤0.01% 2538
2018
Q4
Sell
-457
Closed -$4.68K 4814
2018
Q3
$6K Sell
457
-243
-35% -$1.97K ﹤0.01% 4772
2018
Q2
$6K Buy
+700
New +$5.58K ﹤0.01% 4755

Other funds holding ALDX

Group One Trading's ALDX Position: Q1 2026 in Review

Group One Trading sold out of Aldeyra Therapeutics (ALDX) in Q1 2026, closing a stake of 83,449 shares — an estimated $366K sold.

Group One Trading first reported a position in ALDX in Q2 2018 and held it in 27 quarters. The position peaked at $1.02M in Q4 2024. 128 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

  • Group One Trading reported no remaining Aldeyra Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 83,449 Aldeyra Therapeutics shares in Q1 2026, an estimated $366K.
  • Group One Trading first reported a position in Aldeyra Therapeutics in Q2 2018 and held it in 27 quarters.
  • Group One Trading's Aldeyra Therapeutics position peaked at $1.02M in Q4 2024.
  • 128 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.