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
Q2 | $61.7K | Buy |
+28,957
| New | +$49.8K | ﹤0.01% | 6079 |
|
|
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
KCM
KCM
6CM
Simplex Trading's ALDX Position: Q2 2026 in Review
Simplex Trading opened a new position in Aldeyra Therapeutics (ALDX) in Q2 2026: 28,957 shares worth $61.7K. The stake represents ﹤0.01% of the portfolio and ranks #6079 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ALDX as recently as Q4 2025.
Simplex Trading first reported a position in ALDX in Q1 2018 and has held it in 26 quarters since. The position peaked at $810K in Q3 2018. 108 funds tracked by Wall St. Rank hold ALDX as of Q2 2026.
- Simplex Trading held 28,957 shares of Aldeyra Therapeutics worth $61.7K as of Q2 2026.
- Aldeyra Therapeutics was a new Simplex Trading position in Q2 2026.
- Aldeyra Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #6079 holding.
- Simplex Trading first reported a position in Aldeyra Therapeutics in Q1 2018 and has held it in 26 quarters since.
- Simplex Trading's Aldeyra Therapeutics position peaked at $810K in Q3 2018.
- 108 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q2 2026.
Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.