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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

AM holding history

Antero Midstream 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.

AM overviewAll 13F holders of AMFull Q2 2026 holdings

Shares (Q2 2026)
43,680
Value
$993.7K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AM by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202643,680$993.7K<0.1%00.0%UnchangedHolders
Q1 202643,680$995.9K<0.1%−8,480−16.3%ReducedHolders
Q4 202552,160$927.9K<0.1%00.0%UnchangedHolders
Q3 202552,160$1.01M<0.1%00.0%UnchangedHolders
Q2 202552,160$988.4K<0.1%00.0%UnchangedHolders
Q1 202552,160$938.9K<0.1%−9,100−14.9%ReducedHolders
Q4 202461,260$924.4K<0.1%00.0%UnchangedHolders
Q3 202461,260$922.0K<0.1%00.0%UnchangedHolders
Q2 202461,260$903.0K<0.1%00.0%UnchangedHolders
Q1 202461,260$861.3K<0.1%00.0%UnchangedHolders
Q4 202361,260$767.6K<0.1%+11,030+22.0%AddedHolders
Q3 202350,230$601.8K<0.1%00.0%UnchangedHolders
Q2 202350,230$582.7K<0.1%−38,500−43.4%ReducedHolders
Q1 202388,730$930.8K<0.1%00.0%UnchangedHolders
Q4 202288,730$957.4K0.1%00.0%UnchangedHolders
Q3 202288,730$815.0K<0.1%−22,180−20.0%ReducedHolders
Q2 2022110,910$1.00M0.1%00.0%UnchangedHolders
Q1 2022110,910$1.21M0.1%00.0%UnchangedHolders
Q4 2021110,910$1.07M<0.1%−37,800−25.4%ReducedHolders
Q3 2021148,710$1.55M0.1%00.0%UnchangedHolders
Q2 2021148,710$1.54M0.1%00.0%UnchangedHolders
Q1 2021148,710$1.34M<0.1%––Holders

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