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Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

MRO holding history

Marathon Oil Corp in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRO overviewAll 13F holders of MROFull Q2 2026 holdings

Shares (Q1 2023)
0
Sold out in Q1 2023
Value
$0
% of portfolio
0.0%
Quarters held
8
Since Q1 2021
Holdings of MRO by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20230$00.0%−39,240−100.0%Sold outHolders
Q4 202239,240$1.06M0.1%00.0%UnchangedHolders
Q3 202239,240$886.0K<0.1%−58,870−60.0%ReducedHolders
Q2 202298,110$2.21M0.1%−640,400−86.7%ReducedHolders
Q1 2022738,510$18.5M0.8%−256,000−25.7%ReducedHolders
Q4 2021994,510$16.3M0.6%+852,680+601.2%AddedHolders
Q3 2021141,830$1.94M0.1%+70,565+99.0%AddedHolders
Q2 202171,265$971.0K<0.1%−25,600−26.4%ReducedHolders
Q1 202196,865$1.03M<0.1%––Holders

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