MPLX
MPLX LpEnergy · $57.1B market cap
Verdict
Share price
$56.38
close of Oct 3, 2026
Fair value
$30.41
Sticker Price
Payback Price
$12.16
buy price
MPLX is Overpriced: at $56.38 it trades 85% above its fair value of $30.41. Its buy price (Payback Price) is $12.16, 78% below today's price. Business quality is strong: 4 of 5 key numbers clear the 10% bar.
How we valued it
Free Cash Flow. Sales grew 4% a year over the last 3 years, below the 15% we look for in a fast grower, so we value it on its free cash flow instead of an earnings forecast.
Business quality
4 of 5 clear the 10% bar. What are the Big Five?
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2 of the investors we track hold MPLX. In Q1 2026, 2 trimmed. Who we track
Glenn Greenberg
Brave Warrior Advisors · as of Q2 2026
$179.2M
3,180,534 shares
David Tepper
Appaloosa Management · as of Q2 2026
$28.3M
502,460 shares
Moves in Q1 2026
Trimmed: David Tepper, Glenn Greenberg
Insider activity
Since Apr 30, 2026: no open-market purchases and 14 other filings (stock awards, tax withholding and similar). Why purchases matter
Other filings
Breves Christine S
director · 2026-08-14
Award
218.82 shares
HELMS CHRISTOPHER A
director · 2026-08-14
Award
1,336.963 shares
SEMPLE FRANK M
director · 2026-08-14
Award
1,072.719 shares
STICE J MICHAEL
director · 2026-08-14
Award
982.715 shares
SURMA JOHN P
director · 2026-08-14
Award
1,563.427 shares
Show all 14 other filingsShow fewer
Walker Ray N JR
director · 2026-08-14
Award
81.939 shares
Peiffer Garry L.
director · 2026-08-14
Award
1,232.166 shares
Breves Christine S
director · 2026-04-30
Award
2,696.387 shares
HELMS CHRISTOPHER A
director · 2026-04-30
Award
2,696.387 shares
Peiffer Garry L.
director · 2026-04-30
Award
2,696.387 shares
SEMPLE FRANK M
director · 2026-04-30
Award
3,028.941 shares
STICE J MICHAEL
director · 2026-04-30
Award
3,028.941 shares
SURMA JOHN P
director · 2026-04-30
Award
3,028.941 shares
Walker Ray N JR
director · 2026-04-30
Award
2,696.387 shares
About MPLX Lp
MPLX LP, incorporated in 2012 and headquartered in Findlay, Ohio, operates as a subsidiary of Marathon Petroleum Corporation, with MPLX GP LLC serving as its general partner. The company is a prominent owner and operator of midstream energy infrastructure and logistics assets primarily across the United States. Its business is segmented into Logistics and Storage, and Gathering and Processing. MPLX's extensive…
Oil & Gas Midstream
Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works