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UBS Group AG

Position in MPLX — Mplx LP

CIK 1610520 ZURICH, V8

Position in MPLX

as of Mar 31, 2026 · filed May 5, 2026
Position Value
$298,676,529
+$15,562,236 QoQ
Shares Held
5,233,512
-1.3% QoQ
Ownership
0.516%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 17.93260433911301.ToString("F0")% Shared 0.ToString("F0")% None 82.06739566088699.ToString("F0")%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Derivatives in MPLX

reported options exposure · as of Mar 31, 2025
CallValue
$13,824,216
CallShares
258,300
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Oil & Gas Midstream

Energy · as of Mar 31, 2026

UBS Group AG holds $6,369,116,123 across 57 Oil & Gas Midstream names. MPLX ranks #8 (4.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MPLX
Mplx LP
This page
5,233,512 $298,676,529

All Filings in MPLX

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30 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $298,676,529 5,233,512
2025-12-31 $283,114,293 5,304,746
2025-09-30 $263,059,825 5,266,463
2025-06-30 $350,744,414 6,809,249
2025-03-31 $317,921,269 5,940,233
2025-03-31 $13,824,216 258,300
2024-12-31 $18,373,454 383,900
2024-12-31 $273,966,289 5,724,327
2024-09-30 $249,864,844 5,619,992
2024-06-30 $244,479,205 5,740,296
2024-03-31 $265,567,942 6,389,989
2023-12-31 $210,809,959 5,741,012
2023-09-30 $208,775,838 5,869,436
2023-06-30 $177,514,242 5,230,237
2023-03-31 $194,049,063 5,632,774
2022-12-31 $173,576,015 5,285,506
2022-12-31 $82,100 2,500
2022-09-30 $186,781,219 6,223,966
2022-06-30 $169,027,469 5,798,541
2022-03-31 $174,823,627 5,268,946
2021-12-31 $143,182,547 4,838,883
2021-09-30 $138,139,172 4,852,096
2021-06-30 $150,825,937 5,093,750
2021-03-31 $8,970,500 350,000
2021-03-31 $148,550,454 5,795,960
2020-12-31 $164,080,976 7,578,798
2020-09-30 $138,016,787 8,768,538
2020-06-30 $181,854,494 10,523,987
2020-03-31 $131,873,589 11,348,846
2020-03-31 $116,200 10,000