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Equibles

SEI INVESTMENTS CO

Position in MGY — Magnolia Oil & Gas Corp

CIK 350894 OAKS, PA
Back to MGY Full portfolio

Position in MGY

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,998,738
-$7,376,723 QoQ
Shares Held
273,602
-39.9% QoQ
Ownership
0.115%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#72
of 411 holders
Holding Since
Mar 2020
26 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

SEI INVESTMENTS CO holds $613,307,947 across 43 Oil & Gas E&P names. MGY ranks #19 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 COP
Conocophillips
 840,042 $87,330,766
2 DVN
Devon Energy Corp/De
 1,729,815 $71,475,954
3 EOG
Eog Resources Inc
 503,297 $65,292,719
4 APA
APA Corp
 1,229,495 $40,044,650
5 EQT
EQT Corp
 704,935 $37,481,393
6 PR
Permian Resources Corp
 1,573,584 $28,969,680
7 TPL
Texas Pacific Land Corp
 64,956 $28,427,343
8 FANG
Diamondback Energy, Inc.
 140,720 $24,735,761

All Filings in MGY

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,998,738 273,602
2026-03-31 $14,375,461 455,352
2025-12-31 $5,160,544 235,749
2025-09-30 $4,553,201 190,750
2025-06-30 $4,021,941 178,912
2025-03-31 $20,093,647 795,473
2024-12-31 $18,715,829 800,506
2024-09-30 $20,931,847 857,160
2024-06-30 $20,595,895 812,782
2024-03-31 $19,069,305 734,848
2023-12-31 $18,216,276 855,626
2023-09-30 $18,749,474 818,397
2023-06-30 $16,110,409 770,833
2023-03-31 $14,297,375 653,445
2022-12-31 $11,851,629 505,400
2022-09-30 $9,351,944 472,082
2022-06-30 $10,531,752 501,751
2022-03-31 $9,325,714 394,322
2021-12-31 $7,218,963 382,563
2021-09-30 $3,904,281 219,465
2021-06-30 $5,033,578 322,046
2021-03-31 $2,384,889 207,743
2020-12-31 $1,475,603 209,009
2020-09-30 $2,060,683 398,585
2020-06-30 $1,592,404 262,773
2020-03-31 $1,120,996 280,249