Skip to main content

CASTLEARK MANAGEMENT LLC

Position in MGY — Magnolia Oil & Gas Corp

CIK 1106832 CHICAGO, IL

Position in MGY

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,913,128
-$447,992 QoQ
Shares Held
74,790
0.0% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#134
of 408 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MGY Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $50,617,177 across 10 Oil & Gas E&P names. MGY ranks #7 (3.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MGY
Magnolia Oil & Gas Corp
This page
74,790 $1,913,128

All Filings in MGY

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,913,128 74,790
2026-03-31 $2,361,120 74,790
2025-12-31 $1,637,153 74,790
2025-09-30 $1,785,237 74,790
2025-06-30 $1,681,279 74,790
2025-03-31 $2,117,545 83,830
2024-12-31 $1,959,945 83,830
2024-09-30 $4,413,426 180,730
2024-06-30 $2,124,252 83,830
2024-03-31 $2,175,388 83,830
2023-12-31 $1,784,740 83,830
2023-09-30 $1,920,545 83,830
2023-06-30 $1,297,681 62,090
2023-03-31 $1,791,096 81,860
2022-12-31 $3,988,610 170,090
2022-09-30 $4,769,257 240,750
2022-06-30 $5,559,201 264,850
2022-03-31 $6,434,219 272,060
2021-12-31 $1,930,967 102,330
2021-09-30 $1,974,690 111,000