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RHUMBLINE ADVISERS

Position in MGY — Magnolia Oil & Gas Corp

CIK 1115418 BOSTON, MA

Position in MGY

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$13,418,372
-$4,806,010 QoQ
Shares Held
524,565
-9.1% QoQ
Ownership
0.221%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#51
of 411 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 59% Shared 0% None 41%

Common Shares in MGY Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $982,743,753 across 47 Oil & Gas E&P names. MGY ranks #19 (1.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MGY

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $13,418,372 524,565
2026-03-31 $18,224,382 577,269
2025-12-31 $12,506,545 571,336
2025-09-30 $13,805,572 578,365
2025-06-30 $13,133,602 584,235
2025-03-31 $13,271,881 525,411
2024-12-31 $12,611,966 539,434
2024-09-30 $12,970,096 531,126
2024-06-30 $13,631,348 537,938
2024-03-31 $14,141,478 544,951
2023-12-31 $6,119,916 287,455
2023-09-30 $6,755,677 294,879
2023-06-30 $6,100,083 291,870
2023-03-31 $5,696,042 260,331
2022-12-31 $5,965,046 254,373
2022-09-30 $4,740,552 239,301
2022-06-30 $4,503,488 214,554
2022-03-31 $3,902,604 165,015
2021-12-31 $3,008,312 159,423
2021-09-30 $2,787,301 156,678
2021-06-30 $2,355,753 150,720
2021-03-31 $1,705,813 148,590
2020-12-31 $1,148,810 162,721
2020-09-30 $793,424 153,467
2020-06-30 $1,063,584 175,509
2020-03-31 $706,912 176,728