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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

MKSI holding history

MKS 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.

MKSI overviewAll 13F holders of MKSIFull Q2 2026 holdings

Shares (Q2 2026)
5,931
Value
$2.64M
% of portfolio
0.1%
Quarters held
10
Since Q1 2021
Holdings of MKSI by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,931$2.64M0.1%+5,931NewHolders
Q2 20250$00.0%−1,731−100.0%Sold outHolders
Q1 20251,731$138.0K<0.1%+1,731NewHolders
Q4 20240$00.0%−4,046−100.0%Sold outHolders
Q3 20244,046$439.0K<0.1%+909+29.0%AddedHolders
Q2 20243,137$409.0K<0.1%+1,052+50.5%AddedHolders
Q1 20242,085$277.0K<0.1%+2,085NewHolders
Q2 20220$00.0%−420−100.0%Sold outHolders
Q1 2022420$63.0K<0.1%−329−43.9%ReducedHolders
Q4 2021749$130.0K<0.1%−383−33.8%ReducedHolders
Q3 20211,132$193.0K<0.1%+700+162.0%AddedHolders
Q2 2021432$76.0K<0.1%−542−55.6%ReducedHolders
Q1 2021974$180.0K<0.1%––Holders

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