Last quarter, MPLX management made a clear promise: the third quarter would be stronger than the second, and the fourth stronger still. The partnership's November 3 report, due before the market opens, is the first real test of that claim. It is also the first quarter with Harmon Creek III running, and the first chance to see whether a slight softening in how management described 2026 growth was only a matter of wording.
On the surface, the consensus numbers look poor. Analysts expect earnings of $1.12 per unit on revenue of $3.29 billion. That would be a 26.3% drop in earnings and a 9.1% decline in revenue from the year-ago quarter, which produced $1.52 per unit and $3.62 billion in sales. Part of that comparison reflects the Rockies assets MPLX sold in late 2025. The better yardstick is the sequential trend. Second-quarter earnings were $1.06 per unit on revenue of $3.31 billion, so the Street is modeling a modest step up in profit on roughly flat sales. The Earnings Whisper of $1.16 sits a few cents above consensus. That points to a market quietly expecting management's sequential improvement to show up, not just a hold-the-line quarter.
The operational case for that improvement is concrete. Secretariat One entered service in April and was still ramping through the second half. It had already added about 200,000 barrels per day to Bengal volumes in the second quarter, so a full quarter of contribution matters. Harmon Creek III started up in August, lifting processing capacity to 8.1 billion cubic feet per day and de-ethanization capacity above 800,000 barrels per day. Marcellus processing ran at 96% utilization last quarter, which shows how tight the system was before the new capacity arrived. Utilization that holds near those levels while capacity grows would be strong evidence that demand is filling the new plants. Investors should also look for continued strength in gathering volumes, which rose 15% year over year last quarter. The Delaware Basin is another check: processing utilization exited the quarter at 86%, and sour gas treating on the Titan system topped 150 million cubic feet per day for a second straight quarter.
The framing question still matters. In the two prior quarters, management said 2026 growth would exceed 2025. Last quarter it led with a plainer description of mid-single-digit growth, which drew a pointed analyst question. Management apologized for any confusion and insisted the acceleration was intact, just weighted to the back half. Adjusted EBITDA growth that clearly improves on the second quarter's $1.8 billion, up 5% year over year, would put that debate to rest. A flat result would revive it. The $500 million increase in 2026 capital spending, to $2.9 billion, deserves attention for a different reason. Management described it as pulling Gulf Coast Frac spending forward, not cost overruns. Any sign of scope creep, or of leverage rising faster than expected, would undercut that explanation.
The market has been neither enthusiastic nor skeptical. Units are up 0.3% since the last report, roughly matching a flat S&P 500. Sentiment has improved modestly, to 26.3% bullish from 22.9% a quarter ago. The stock trades at $59.13, comfortably above its 200-day moving average of $57.08 and near the top of its post-earnings range of $55.95 to $60.95. That positioning suggests investors are leaning toward a good print without having fully priced one in.
The central issue is simple. MPLX told investors the second half would accelerate, backed that claim with two new plants and higher utilization, and reaffirmed 12.5% distribution growth for 2026 and 2027 with organically funded 1.3 times coverage. A third quarter that visibly beats the second, along with confirmation that the fourth will be stronger, keeps that story intact. Anything that looks like the first half repeated would make last quarter's change in wording look like more than semantics.