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HRT Financial’s Aldeyra Therapeutics ALDX Stock Holding History

HRT Financial’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 		– Sell
-286,444
Closed -$484K – 4096
2026
Q1 		$484K Buy
+286,444
New +$1.25M ﹤0.01% 2559
2025
Q2 		– Sell
-16,233
Closed -$93K – 2534
2025
Q1 		$93K Sell
16,233
-45,656
-74% -$270K ﹤0.01% 2157
2024
Q4 		$308K Buy
+61,889
New +$318K ﹤0.01% 1699
2024
Q1 		– Sell
-44,826
Closed -$157K – 2236
2023
Q4 		$157K Buy
+44,826
New +$138K ﹤0.01% 1831
2023
Q2 		– Sell
-135,894
Closed -$1.35M – 2395
2023
Q1 		$1.35M Buy
135,894
+56,802
+72% +$402K 0.02% 803
2022
Q4 		$550K Buy
+79,092
New +$452K 0.01% 1342
2022
Q2 		– Sell
-111,165
Closed -$494K – 2868
2022
Q1 		$494K Buy
111,165
+92,232
+487% +$367K ﹤0.01% 1790
2021
Q4 		$75K Buy
+18,933
New +$144K ﹤0.01% 2803
2021
Q2 		– Sell
-65,539
Closed -$778K – 2790
2021
Q1 		$778K Sell
65,539
-53,668
-45% -$618K 0.01% 1376
2020
Q4 		$817K Buy
+119,207
New +$837K 0.02% 776
2020
Q3 		– Sell
-77,743
Closed -$324K – 1855
2020
Q2 		$324K Buy
+77,743
New +$284K 0.01% 955

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

HRT Financial's ALDX Position: Q2 2026 in Review

HRT Financial sold out of Aldeyra Therapeutics (ALDX) in Q2 2026, closing a stake of 286,444 shares — an estimated $484K sold.

HRT Financial first reported a position in ALDX in Q2 2020 and held it in 11 quarters. The position peaked at $1.35M in Q1 2023. 108 funds tracked by Wall St. Rank hold ALDX as of Q2 2026.

  • HRT Financial reported no remaining Aldeyra Therapeutics position as of Q2 2026 after selling out during the quarter.
  • HRT Financial sold 286,444 Aldeyra Therapeutics shares in Q2 2026, an estimated $484K.
  • HRT Financial first reported a position in Aldeyra Therapeutics in Q2 2020 and held it in 11 quarters.
  • HRT Financial's Aldeyra Therapeutics position peaked at $1.35M in Q1 2023.
  • 108 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q2 2026.

Based on HRT Financial's 13F filing for Q2 2026, filed 14 Aug 2026.