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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ALDX holding history

Aldeyra Therapeutics, Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ALDX overviewAll 13F holders of ALDXFull Q2 2026 holdings

Shares (Q2 2026)
28,957
Value
$61.7K
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of ALDX by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202628,957$61.7K<0.1%+28,957NewHolders
Q1 20260$00.0%−39,755−100.0%Sold outHolders
Q4 202539,755$205.9K<0.1%+10,579+36.3%AddedHolders
Q3 202529,176$152.0K<0.1%+7,993+37.7%AddedHolders
Q2 202521,183$81.0K<0.1%+16,472+349.6%AddedHolders
Q1 20254,711$27.0K<0.1%−40,521−89.6%ReducedHolders
Q4 202445,232$225.0K<0.1%+45,232NewHolders
Q3 20240$00.0%−29,302−100.0%Sold outHolders
Q2 202429,302$96.0K<0.1%−64,163−68.6%ReducedHolders
Q1 202493,465$305.0K<0.1%+71,887+333.1%AddedHolders
Q4 202321,578$75.0K<0.1%−50,061−69.9%ReducedHolders
Q3 202371,639$478.0K<0.1%+71,639NewHolders
Q2 20230$00.0%−67,325−100.0%Sold outHolders
Q1 202367,325$668.0K<0.1%+67,325NewHolders
Q3 20220$00.0%−31,249−100.0%Sold outHolders
Q2 202231,249$124.0K<0.1%−106,492−77.3%ReducedHolders
Q1 2022137,741$612.0K<0.1%+44,002+46.9%AddedHolders
Q4 202193,739$374.0K<0.1%+72,929+350.5%AddedHolders
Q3 202120,810$235.0K<0.1%−115−0.5%ReducedHolders
Q2 202120,925$237.0K<0.1%+7,359+54.2%AddedHolders
Q1 202113,566$161.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.