XT
ALDX icon

XTX Topco’s Aldeyra Therapeutics ALDX Stock Holding History

XTX Topco’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
Q2 		$543K Buy
254,777
+179,611
+239% +$309K 0.01% 2381
2026
Q1 		$127K Buy
75,166
+32,939
+78% +$144K ﹤0.01% 3019
2025
Q4 		$219K Buy
42,227
+7,761
+23% +$39.9K 0.01% 2332
2025
Q3 		$180K Buy
+34,466
New +$180K 0.01% 1884
2025
Q2 		– Sell
-23,332
Closed -$134K – 2306
2025
Q1 		$134K Buy
+23,332
New +$138K 0.01% 1793
2024
Q2 		– Sell
-19,664
Closed -$64.3K – 1817
2024
Q1 		$64.3K Buy
19,664
+7,673
+64% +$25.2K 0.01% 1433
2023
Q4 		$42.1K Buy
+11,991
New +$37K 0.01% 1260
2022
Q3 		– Sell
-21,841
Closed -$87K – 1078
2022
Q2 		$87K Buy
+21,841
New +$75.1K 0.04% 678

Other funds holding ALDX

KCM
Knoll Capital Management Miami, Florida $179M AUM 63.61% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
KCM
Kingdon Capital Management New York $976M AUM 66.76% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

XTX Topco's ALDX Position: Q2 2026 in Review

XTX Topco increased its Aldeyra Therapeutics (ALDX) stake by 239% in Q2 2026, buying an estimated $309K and bringing the position to 254,777 shares worth $543K. The position accounts for 0.01% of the portfolio, ranked #2381.

XTX Topco first reported a position in ALDX in Q2 2022 and has held it in 8 quarters since. 108 funds tracked by Wall St. Rank hold ALDX as of Q2 2026.

  • XTX Topco held 254,777 shares of Aldeyra Therapeutics worth $543K as of Q2 2026.
  • XTX Topco bought 179,611 Aldeyra Therapeutics shares in Q2 2026, an estimated $309K.
  • Aldeyra Therapeutics made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2381 holding.
  • XTX Topco first reported a position in Aldeyra Therapeutics in Q2 2022 and has held it in 8 quarters since.
  • 108 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.