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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

TUSK holding history

Mammoth Energy Services, 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.

TUSK overviewAll 13F holders of TUSKFull Q2 2026 holdings

Shares (Q2 2026)
3,457
Value
$11.2K
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of TUSK by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,457$11.2K<0.1%−2,081−37.6%ReducedHolders
Q1 20265,538$13.6K<0.1%+5,538NewHolders
Q3 20250$00.0%−2,419−100.0%Sold outHolders
Q2 20252,419$6.00K<0.1%−8,660−78.2%ReducedHolders
Q1 202511,079$22.0K<0.1%+9,774+749.0%AddedHolders
Q4 20241,305$3.00K<0.1%+1,305NewHolders
Q3 20240$00.0%−8,061−100.0%Sold outHolders
Q2 20248,061$26.0K<0.1%+8,061NewHolders
Q1 20240$00.0%−35,792−100.0%Sold outHolders
Q4 202335,792$159.0K<0.1%+29,296+451.0%AddedHolders
Q3 20236,496$30.0K<0.1%+6,496NewHolders
Q2 20230$00.0%−5,024−100.0%Sold outHolders
Q1 20235,024$21.0K<0.1%−29,954−85.6%ReducedHolders
Q4 202234,978$302.0K<0.1%+31,362+867.3%AddedHolders
Q3 20223,616$12.0K<0.1%−4,842−57.2%ReducedHolders
Q2 20228,458$18.0K<0.1%+2,984+54.5%AddedHolders
Q1 20225,474$11.0K<0.1%−2,873−34.4%ReducedHolders
Q4 20218,347$15.0K<0.1%+2,656+46.7%AddedHolders
Q3 20215,691$25.0K<0.1%00.0%UnchangedHolders
Q2 20215,691$26.0K<0.1%+125+2.2%AddedHolders
Q1 20215,566$29.0K<0.1%––Holders

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