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Boston Trust Walden Corp

Position in MGY — Magnolia Oil & Gas Corp

CIK 1534866 BOSTON, MA

Position in MGY

as of Jun 30, 2026 · filed Jul 24, 2026
Position Value
$61,002,160
-$40,902,832 QoQ
Shares Held
2,384,760
-26.1% QoQ
Ownership
1.01%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#25
of 408 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 91% Shared 0% None 9%

Common Shares in MGY Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

Boston Trust Walden Corp holds $140,363,008 across 4 Oil & Gas E&P names. MGY ranks #1 (43.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MGY
Magnolia Oil & Gas Corp
This page
2,384,760 $61,002,160

All Filings in MGY

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $61,002,160 2,384,760
2026-03-31 $101,904,992 3,227,906
2025-12-31 $91,239,379 4,168,085
2025-09-30 $94,113,107 3,942,736
2025-06-30 $90,004,749 4,003,770
2025-03-31 $80,291,637 3,178,608
2024-12-31 $72,257,923 3,090,587
2024-09-30 $68,940,736 2,823,126
2024-06-30 $68,507,804 2,703,544
2024-03-31 $55,391,468 2,134,546