Skip to main content

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

GEOS holding history

Geospace Technologies Corp 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.

GEOS overviewAll 13F holders of GEOSFull Q2 2026 holdings

Shares (Q2 2026)
2,075
Value
$14.0K
% of portfolio
<0.1%
Quarters held
12
Since Q1 2021
Holdings of GEOS by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,075$14.0K<0.1%+1,679+424.0%AddedHolders
Q1 2026396$4.83K<0.1%−1,605−80.2%ReducedHolders
Q4 20252,001$33.8K<0.1%+2,001NewHolders
Q2 20240$00.0%−342−100.0%Sold outHolders
Q1 2024342$4.00K<0.1%−1,655−82.9%ReducedHolders
Q4 20231,997$25.0K<0.1%−1,172−37.0%ReducedHolders
Q3 20233,169$41.0K<0.1%+3,169NewHolders
Q2 20230$00.0%−2,451−100.0%Sold outHolders
Q1 20232,451$17.0K<0.1%+2,451NewHolders
Q2 20220$00.0%−1,400−100.0%Sold outHolders
Q1 20221,400$8.00K<0.1%+219+18.5%AddedHolders
Q4 20211,181$7.00K<0.1%−6,570−84.8%ReducedHolders
Q3 20217,751$65.0K<0.1%00.0%UnchangedHolders
Q2 20217,751$62.0K<0.1%−755−8.9%ReducedHolders
Q1 20218,506$77.0K<0.1%––Holders

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