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Blackstone Inc.

Position in MPLX — Mplx LP

CIK 1393818 NEW YORK, NY

Position in MPLX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$729,864,599
-$146,198,879 QoQ
Shares Held
12,956,943
-15.6% QoQ
Ownership
1.28%
of shares outstanding
% of Portfolio
2.40%
of 13F equity value
Holder Rank
#3
of 629 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

Blackstone Inc. holds $15,385,026,931 across 25 Oil & Gas Midstream names. MPLX ranks #7 (4.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MPLX
Mplx LP
This page
12,956,943 $729,864,599

All Filings in MPLX

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22 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $729,864,599 12,956,943
2026-03-31 $876,063,478 15,350,683
2025-12-31 $838,201,734 15,705,485
2025-09-30 $700,184,964 14,017,717
2025-06-30 $872,756,491 16,943,438
2025-03-31 $936,599,892 17,499,998
2024-12-31 $921,064,120 19,244,967
2024-09-30 $970,179,666 21,821,405
2024-06-30 $985,521,696 23,139,744
2024-03-31 $965,213,877 23,224,588
2023-12-31 $859,741,223 23,413,432
2023-09-30 $1,137,645,660 31,983,291
2023-06-30 $1,526,244,702 44,968,907
2023-03-31 $1,738,986,185 50,478,554
2022-12-31 $1,658,962,779 50,516,528
2022-06-30 $1,678,289,329 57,574,248
2022-03-31 $1,943,075,845 58,561,659
2021-12-31 $1,956,720,092 66,127,749
2020-12-31 $1,470,458,104 67,919,543
2020-09-30 $1,052,534,129 66,870,021
2020-06-30 $899,654,133 52,063,318
2020-03-31 $260,488,805 22,417,281