Skip to main content

Castellan Group

Position in MPLX — Mplx LP

CIK 1832521 LOUISVILLE, KY

Position in MPLX

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$4,671,503
+$274,089 QoQ
Shares Held
82,931
+7.6% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
5.24%
of 13F equity value
Holder Rank
#124
of 631 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

Castellan Group holds $8,921,092 across 2 Oil & Gas Midstream names. MPLX ranks #1 (52.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MPLX
Mplx LP
This page
82,931 $4,671,503

All Filings in MPLX

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,671,503 82,931
2026-03-31 $4,397,414 77,053
2025-12-31 $3,812,966 71,444
2025-09-30 $3,398,098 68,030
2025-06-30 $3,201,501 62,153
2025-03-31 $3,085,588 57,653