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Mplx shares owned by Castellan Group

Quarter-by-quarter ownership of Mplx (MPLX) shares owned by Castellan Group from 13F filings

Historical chart of Castellan Group investment in Mplx

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All positions including Mplx held by Castellan Group consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Mplx by Castellan Group

Quarter filed Position value Share count Share price at filing
2025-09-30 $3.4M 68k 49.95
2025-06-30 $3.2M 62k 51.51
2025-03-31 $3.1M 58k 53.52