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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

MRCY holding history

Mercury Systems 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.

MRCY overviewAll 13F holders of MRCYFull Q2 2026 holdings

Shares (Q2 2026)
1,657
Value
$202.7K
% of portfolio
<0.1%
Quarters held
14
Since Q1 2021
Holdings of MRCY by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,657$202.7K<0.1%+363+28.1%AddedHolders
Q1 20261,294$94.3K<0.1%+1,294NewHolders
Q4 20250$00.0%−427−100.0%Sold outHolders
Q3 2025427$33.0K<0.1%+215+101.4%AddedHolders
Q2 2025212$11.0K<0.1%+212NewHolders
Q3 20240$00.0%−5,386−100.0%Sold outHolders
Q2 20245,386$145.0K<0.1%+5,386NewHolders
Q1 20240$00.0%−804−100.0%Sold outHolders
Q4 2023804$29.0K<0.1%−1,067−57.0%ReducedHolders
Q3 20231,871$69.0K<0.1%+1,871NewHolders
Q2 20230$00.0%−3,038−100.0%Sold outHolders
Q1 20233,038$155.0K<0.1%−505−14.3%ReducedHolders
Q4 20223,543$158.0K<0.1%+3,543NewHolders
Q3 20220$00.0%−2,761−100.0%Sold outHolders
Q2 20222,761$177.0K<0.1%−1,105−28.6%ReducedHolders
Q1 20223,866$249.0K<0.1%−4,121−51.6%ReducedHolders
Q4 20217,987$439.0K<0.1%+7,137+839.6%AddedHolders
Q3 2021850$56.0K<0.1%+850NewHolders
Q2 20210$00.0%−5,519−100.0%Sold outHolders
Q1 20215,519$389.0K<0.1%––Holders

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