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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

PRLB holding history

Proto Labs 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.

PRLB overviewAll 13F holders of PRLBFull Q2 2026 holdings

Shares (Q2 2026)
176
Value
$14.3K
% of portfolio
<0.1%
Quarters held
11
Since Q1 2021
Holdings of PRLB by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026176$14.3K<0.1%−10,603−98.4%ReducedHolders
Q1 202610,779$614.6K<0.1%+10,779NewHolders
Q4 20250$00.0%−267−100.0%Sold outHolders
Q3 2025267$13.0K<0.1%+267NewHolders
Q2 20240$00.0%−1,161−100.0%Sold outHolders
Q1 20241,161$41.0K<0.1%−993−46.1%ReducedHolders
Q4 20232,154$83.0K<0.1%+2,154NewHolders
Q3 20220$00.0%−1,491−100.0%Sold outHolders
Q2 20221,491$71.0K<0.1%−3,099−67.5%ReducedHolders
Q1 20224,590$242.0K<0.1%+4,096+829.1%AddedHolders
Q4 2021494$25.0K<0.1%−11,201−95.8%ReducedHolders
Q3 202111,695$1.08M<0.1%−13−0.1%ReducedHolders
Q2 202111,708$1.07M<0.1%+4,983+74.1%AddedHolders
Q1 20216,725$818.0K<0.1%––Holders

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