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, 2025CallValue
$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, 2026UBS 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 |
|---|---|---|---|---|---|
| 1 | OKE |
Oneok Inc /New/
|
12,710,262 | $1,148,880,580 | |
| 2 | WMB |
Williams Companies, Inc.
|
9,047,346 | $658,465,839 | |
| 3 | ET |
Energy Transfer LP
|
30,973,018 | $597,779,247 | |
| 4 | KMI |
Kinder Morgan, Inc.
|
17,810,078 | $597,171,912 | |
| 5 | EPD |
Enterprise Products Partners L.P.
|
12,607,250 | $477,058,339 | |
| 6 | TRGP |
Targa Resources Corp.
|
1,852,902 | $464,578,113 | |
| 7 | LNG |
Cheniere Energy, Inc.
|
1,485,662 | $421,571,446 | |
| 8 | MPLX |
Mplx LP
This page
|
5,233,512 | $298,676,529 |
All Filings in MPLX
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $298,676,529 | 5,233,512 | Shares | Defined | 2026-05-05 | |
| 2025-12-31 | $283,114,293 | 5,304,746 | Shares | Defined | 2026-01-29 | |
| 2025-09-30 | $263,059,825 | 5,266,463 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $350,744,414 | 6,809,249 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $317,921,269 | 5,940,233 | Shares | Defined | 2025-05-13 | |
| 2025-03-31 | $13,824,216 | 258,300 | Call | Defined | 2025-05-13 | |
| 2024-12-31 | $18,373,454 | 383,900 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $273,966,289 | 5,724,327 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $249,864,844 | 5,619,992 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $244,479,205 | 5,740,296 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $265,567,942 | 6,389,989 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $210,809,959 | 5,741,012 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $208,775,838 | 5,869,436 | Shares | Defined | 2023-11-09 | |
| 2023-06-30 | $177,514,242 | 5,230,237 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $194,049,063 | 5,632,774 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $173,576,015 | 5,285,506 | Shares | Defined | 2023-02-08 | |
| 2022-12-31 | $82,100 | 2,500 | Call | Defined | 2023-02-08 | |
| 2022-09-30 | $186,781,219 | 6,223,966 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $169,027,469 | 5,798,541 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $174,823,627 | 5,268,946 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $143,182,547 | 4,838,883 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $138,139,172 | 4,852,096 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $150,825,937 | 5,093,750 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $8,970,500 | 350,000 | Call | Defined | 2021-05-12 | |
| 2021-03-31 | $148,550,454 | 5,795,960 | Shares | Defined | 2021-05-12 | |
| 2020-12-31 | $164,080,976 | 7,578,798 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $138,016,787 | 8,768,538 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $181,854,494 | 10,523,987 | Shares | Defined | 2020-07-31 | |
| 2020-03-31 | $131,873,589 | 11,348,846 | Shares | Defined | 2020-05-01 | |
| 2020-03-31 | $116,200 | 10,000 | Put | Defined | 2020-05-01 | |
| No filing history on record for this holder in this stock. | ||||||