MPLX Lp (MPLX) Insider Trading

Over the last 6 months, 453 institutions increased and 341 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Nov
Mar
Context3-month price +7.4%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 18, 2026Peiffer Garry L.directorGrant1,232
Aug 18, 2026SEMPLE FRANK MdirectorGrant1,073
Aug 18, 2026STICE J MICHAELdirectorGrant983
Aug 18, 2026SURMA JOHN PdirectorGrant1,563
Aug 18, 2026Breves Christine SdirectorGrant219
Aug 18, 2026Walker Ray N JRdirectorGrant82
Aug 18, 2026HELMS CHRISTOPHER AdirectorGrant1,337
Aug 5, 2026HELMS CHRISTOPHER AdirectorGrant2,696
Aug 5, 2026Walker Ray N JRdirectorGrant2,696
Aug 5, 2026STICE J MICHAELdirectorGrant3,029
Aug 5, 2026Breves Christine SdirectorGrant2,696
Aug 5, 2026Peiffer Garry L.directorGrant2,696
Aug 5, 2026SEMPLE FRANK MdirectorGrant3,029
Aug 5, 2026SURMA JOHN PdirectorGrant3,029
May 19, 2026Breves Christine SdirectorGrant277
May 19, 2026Walker Ray N JRdirectorGrant78
May 19, 2026SEMPLE FRANK MdirectorGrant1,194
May 19, 2026SURMA JOHN PdirectorGrant1,656
May 19, 2026HELMS CHRISTOPHER AdirectorGrant1,415
May 19, 2026STICE J MICHAELdirectorGrant1,098
May 19, 2026Peiffer Garry L.directorGrant1,304
May 4, 2026Peiffer Garry L.directorGrant2,247
May 4, 2026SEMPLE FRANK MdirectorGrant2,580
May 4, 2026SURMA JOHN PdirectorGrant2,580
May 4, 2026HELMS CHRISTOPHER AdirectorGrant2,247
May 4, 2026STICE J MICHAELdirectorGrant2,580
May 4, 2026Walker Ray N JRdirectorGrant2,247
May 4, 2026Breves Christine SdirectorGrant2,247
Mar 3, 2026Floerke Gregory Scottofficer: Exec. VP and COOTax797$59.22
Mar 3, 2026Lyon Shawn Mofficer: Senior VP, Log. & StorageTax1,033$59.22

Source: MPLX SEC Form 4 filings, latest Aug 18, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their MPLX positions over the last 6 months (SEC Form 13F).

Increased
453
New positions
143
Reduced
341
Sold out
64
Largest moves
InstitutionActionSharesFiled
ALPS ADVISORS INCIncreased28.6MJul 29, 2026
ALPS ADVISORS INCIncreased27.1MMay 8, 2026
Invesco Ltd.Increased18.3MAug 14, 2026
INVESCO LTD.Increased18.3MMay 12, 2026
BLACKSTONE INC.Reduced15.4MMay 15, 2026
TORTOISE CAPITAL ADVISORS, L.L.C.Reduced13.3MMay 15, 2026
Blackstone Inc.Reduced13.0MAug 14, 2026
GOLDMAN SACHS GROUP INCReduced12.5MMay 15, 2026
GOLDMAN SACHS GROUP INCReduced12.5MMar 25, 2026
GOLDMAN SACHS GROUP INCReduced11.3MAug 14, 2026
TORTOISE CAPITAL ADVISORS, L.L.C.Reduced10.5MAug 14, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.Increased8.0MAug 14, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.Increased7.3MMay 15, 2026
KAYNE ANDERSON CAPITAL ADVISORS LPReduced6.8MMay 11, 2026
KAYNE ANDERSON CAPITAL ADVISORS LPReduced5.9MAug 11, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.