Skip to main content

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

MGY holding history

Magnolia Oil & Gas 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.

MGY overviewAll 13F holders of MGYFull Q2 2026 holdings

Shares (Q2 2026)
16,880
Value
$431.8K
% of portfolio
<0.1%
Quarters held
16
Since Q2 2021
Holdings of MGY by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202616,880$431.8K<0.1%−96−0.6%ReducedHolders
Q1 202616,976$535.9K<0.1%+16,976NewHolders
Q4 20250$00.0%−12,053−100.0%Sold outHolders
Q3 202512,053$287.0K<0.1%−3,048−20.2%ReducedHolders
Q2 202515,101$339.0K<0.1%+15,101NewHolders
Q1 20250$00.0%−1,384−100.0%Sold outHolders
Q4 20241,384$32.0K<0.1%−7,308−84.1%ReducedHolders
Q3 20248,692$212.0K<0.1%+4,914+130.1%AddedHolders
Q2 20243,778$95.0K<0.1%+3,778NewHolders
Q3 20230$00.0%−5,431−100.0%Sold outHolders
Q2 20235,431$113.0K<0.1%+3,440+172.8%AddedHolders
Q1 20231,991$43.0K<0.1%+1,292+184.8%AddedHolders
Q4 2022699$16.0K<0.1%−60,419−98.9%ReducedHolders
Q3 202261,118$1.21M<0.1%−8,741−12.5%ReducedHolders
Q2 202269,859$1.47M<0.1%+68,825+6,656.2%AddedHolders
Q1 20221,034$24.0K<0.1%−488−32.1%ReducedHolders
Q4 20211,522$28.0K<0.1%−18,911−92.6%ReducedHolders
Q3 202120,433$328.0K<0.1%00.0%UnchangedHolders
Q2 202120,433$319.0K<0.1%+20,433NewHolders