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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ATKR holding history

Atkore 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.

ATKR overviewAll 13F holders of ATKRFull Q2 2026 holdings

Shares (Q2 2026)
329
Value
$25.0K
% of portfolio
<0.1%
Quarters held
8
Since Q1 2021
Holdings of ATKR by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026329$25.0K<0.1%−56−14.5%ReducedHolders
Q1 2026385$22.7K<0.1%−1,675−81.3%ReducedHolders
Q4 20252,060$130.3K<0.1%+2,060NewHolders
Q2 20250$00.0%−2,657−100.0%Sold outHolders
Q1 20252,657$159.0K<0.1%+2,657NewHolders
Q1 20220$00.0%−1,839−100.0%Sold outHolders
Q4 20211,839$204.0K<0.1%−7,128−79.5%ReducedHolders
Q3 20218,967$644.0K<0.1%00.0%UnchangedHolders
Q2 20218,967$636.0K<0.1%+7,547+531.5%AddedHolders
Q1 20211,420$102.0K<0.1%––Holders

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