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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

PEN holding history

Penumbra 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.

PEN overviewAll 13F holders of PENFull Q2 2026 holdings

Shares (Q2 2026)
1,843
Value
$581.9K
% of portfolio
<0.1%
Quarters held
12
Since Q1 2021
Holdings of PEN by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,843$581.9K<0.1%−15,876−89.6%ReducedHolders
Q1 202617,719$5.82M0.2%+17,589+13,530.0%AddedHolders
Q4 2025130$40.4K<0.1%+130NewHolders
Q1 20250$00.0%−128−100.0%Sold outHolders
Q4 2024128$30.0K<0.1%+128NewHolders
Q2 20240$00.0%−989−100.0%Sold outHolders
Q1 2024989$220.0K<0.1%−7,322−88.1%ReducedHolders
Q4 20238,311$2.09M0.1%+2,060+33.0%AddedHolders
Q3 20236,251$1.51M0.1%+6,251NewHolders
Q1 20230$00.0%−4,359−100.0%Sold outHolders
Q4 20224,359$969.0K<0.1%+1,708+64.4%AddedHolders
Q3 20222,651$502.0K<0.1%+2,651NewHolders
Q4 20210$00.0%−199−100.0%Sold outHolders
Q3 2021199$54.0K<0.1%00.0%UnchangedHolders
Q2 2021199$54.0K<0.1%+133+201.5%AddedHolders
Q1 202166$17.0K<0.1%––Holders

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