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MPC
NYSE Energy & Transportation

Leak Contained at Marathon's 631K bpd Galveston Bay Refinery

Tom Rudovsky · Reported by Reuters
More coverage: Oil & Gas Stocks · Energy
Sentiment info
Negative
Importance info
7
Price
$319.854
Mkt Cap
$92.389B
52W Low
$158
52W High
$326.92
52W Position info
102% above low
Off High info
2.2% below high
Rel. Volume info
0.7× avg
Market data snapshot near publication time

MPC has more than doubled off its 52-week low of $158.

Summary

A leak developed in an overhead condenser of the FCCU3 unit at Marathon's 631,000 barrel-per-day Galveston Bay refinery on August 1. Operations adjusted unit conditions and isolated the leaking exchanger to stop the release. The leak was contained, but any unplanned event at a facility of this scale raises concerns about potential production impacts. This follows a series of operational incidents at the same refinery, including a small fire in June and an FCC trip that same month, suggesting possible reliability issues. Traders will watch for any throughput reductions or extended downtime that could affect regional fuel supplies and margins.

At the time of this announcement, MPC was trading at $319.85 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $92.4B. The 52-week trading range was $158.00 to $326.92. This news item was assessed with negative market sentiment and an importance score of 7 out of 10. Source: Reuters.


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MPC - Latest Insights

MPC
Jul 23, 2026, 6:13 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $325.00
Real-time Price: $319.85 info
Change: -$5.15 (-2%) info
Market Cap: $92.389B info
MPC
Jul 10, 2026, 4:35 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $283.74
Real-time Price: $319.85 info
Change: +$36.11 (+13%) info
Market Cap: $92.389B info
MPC
Jul 06, 2026, 4:38 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $268.99
Real-time Price: $319.85 info
Change: +$50.86 (+19%) info
Market Cap: $92.389B info
MPC
Jul 06, 2026, 1:22 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $269.74
Real-time Price: $319.85 info
Change: +$50.11 (+19%) info
Market Cap: $92.389B info
MPC
Jun 23, 2026, 5:05 PM EDT
Source: dpa-AFX
Importance Score:
7
Price at Filing: $244.32
Real-time Price: $319.85 info
Change: +$75.53 (+31%) info
Market Cap: $92.389B info