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PEAK6 LLC

SEC CIK
0001389958
Latest filing
Aug 12, 2026

MKSI holding history

MKS Inc in every 13F filed by PEAK6 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)
1
Value
$625
% of portfolio
<0.1%
Quarters held
4
Since Q4 2024
Holdings of MKSI by PEAK6 LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261$625<0.1%+1NewHolders
Q4 20250$00.0%−20,547−100.0%Sold outHolders
Q3 202520,547$2.54M0.1%+20,547NewHolders
Q2 20250$00.0%−19,312−100.0%Sold outHolders
Q1 202519,312$1.55M0.1%+18,542+2,408.1%AddedHolders
Q4 2024770$80.4K<0.1%–No prior filingHolders