13F Insight
DOSSIER · 13F Holders · Q1 2026Industrials · Pipe Lines (No Natural Gas)Inflation hedgeYield
MPLX

MPLX LP

676 institutions still hold MPLX LP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55336V100·Pipe Lines (No Natural Gas)·676 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.2%
vs prior quarter
13F value held
$8.3B
51.0% inst. owned
of float
Holders
676
-115 QoQ
filers reporting
Activity
+102 / −86
+1,027 added · −774 reduced
this quarter
Concentration
18.63%
ALPS ADVISORS INC #1
top holder share
AI Holders Summary · Q1 2026

676 institutions reported MPLX in Q1 2026. ALPS ADVISORS INC leads at 18.6% of the visible book. -115 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ALPS ADVISORS INC
CIK 0001376113
$1.5B27.1M7.27%Q1 202602
Invesco Ltd.
CIK 0000914208
$1.0B18.3M0.16%Q1 202603
Blackstone Inc.
CIK 0001393818
$876M15.4M3.42%Q1 202604
TORTOISE CAPITAL ADVISORS, L.L.C.
CIK 0001280965
$757M13.3M7.88%Q1 202605
GOLDMAN SACHS GROUP INC
CIK 0000886982
$714M12.5M0.08%Q1 202606
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
CIK 0001705339
$418M7.3M0.57%Q1 202607
KAYNE ANDERSON CAPITAL ADVISORS LP
CIK 0000949615
$390M6.8M7.47%Q1 202608
UBS Group AG
CIK 0001610520
$299M5.2M0.04%Q1 202609
Energy Income Partners, LLC
CIK 0001388814
$294M5.2M4.74%Q1 202610
MORGAN STANLEY
CIK 0000895421
$283M5.0M0.02%Q1 202611
JPMORGAN CHASE & CO
CIK 0000019617
$238M4.1M0.02%Q1 202612
BANK OF MONTREAL /CAN/
CIK 0000927971
$230M4.0M0.09%Q1 202613
FMR LLC
CIK 0000315066
$192M3.4M0.01%Q1 202614
Brave Warrior Advisors, LLC
CIK 0001553733
$186M3.3M4.60%Q1 202615
CIBC Bancorp USA Inc.
CIK 0001711924
$148M2.6M0.20%Q1 202616
BANK OF AMERICA CORP /DE/
CIK 0000070858
$147M2.6M0.01%Q1 202617
CIBC Private Wealth Group LLC
CIK 0001298088
$145M2.7M0.25%Q4 202518
Clearbridge Investments, LLC
CIK 0001348883
$134M2.3M0.12%Q1 202619
MILLER HOWARD INVESTMENTS INC /NY
CIK 0000903947
$128M2.2M3.49%Q1 202620
WESTWOOD HOLDINGS GROUP INC
CIK 0001165002
$128M2.2M0.93%Q1 2026
Page 1 of 34
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