Antero Midstream: Record Volumes and a Cleaning Balance Sheet, but Don't Confuse It With a Bargain

The recent earnings report drew headlines about record EBITDA, a $371 million legal recovery, and the company's first regional pipeline project. The operational story is real. The valuation claim requires closer inspection.

Let me start with what the company is actually doing.

Antero Midstream reported second-quarter adjusted EBITDA of $289 million, a 2% increase year-over-year and a company record. Adjusted EBITDA - earnings before interest, taxes, depreciation, and amortization, the closest proxy to operating cash generation for a midstream company - hit that mark while gathering volumes surged 19% to 4.1 billion cubic feet per day, also a record. Compression volumes followed at +17%. Revenue grew 7.1% to $327 million, beating estimates. Processing and fractionation capacity ran at 100% utilization.

The headline miss was on GAAP earnings: $0.24 per share versus the consensus $0.27, down 8% year-over-year. The cause was elevated operating expenses, which rose to $145 million from $119 million, driven by higher water-handling costs and integration of the HG Midstream acquisition. This was a cost issue, not a revenue failure. The top line grew, volumes surged, and margins held up.

Now let's talk about the fee structure, because that is what determines cash-flow predictability.

Antero Midstream operates almost entirely under long-term contracts with its affiliate Antero Resources. The EBITDA margin sits at 71.4%, and the operating margin is 54.2%. Those are not commodity-exposed numbers - they are fee-based numbers. When your gross margin approaches 80% and your revenue moves with contracted volumes rather than spot prices, the cash-flow stream carries a predictability premium. The average realized gathering fee rose 3% to 37 cents per Mcf, and fresh water delivery fees adjust with CPI. This is the kind of business that generates cash regardless of whether natural gas trades at $2 or $4.

Over the trailing twelve months, the company generated $961 million in operating cash flow and $776 million in free cash flow, with capex of only $186 million. Free cash flow grew 7.5% year-over-year. That translates to a free cash flow yield of roughly 7.4% on the current $10.4 billion market capitalization. For context, you do not find 7.4% cash returns in fee-based midstream infrastructure without either significant leverage risk or a growth plateau. Antero Midstream appears to have neither.

From a balance sheet perspective, the picture has improved materially.

The company received $371 million in damages and interest from Veolia following a Colorado Supreme Court ruling and immediately used those proceeds to call $650 million of senior notes due 2028 at par. Pro forma leverage came in at 2.8 times, below the 3.0 times target and ahead of management's own timeline. Total debt stands at $4.4 billion, with net debt of $3.6 billion. There are no near-term maturities - the next wall of debt does not arrive until 2029, when $1.37 billion comes due. The company holds over $600 million in liquidity.

This matters because midstream stocks carry a hidden trap: when leverage creeps above 4 times or covenants tighten, the market stops rewarding predictable cash flows and starts pricing survival risk. Antero Midstream has moved in the opposite direction. The balance sheet is de-risking, not deteriorating.

The dividend deserves its own scrutiny.

The payout ratio stands at 104.6% on a net-income basis, which looks alarming until you look at the actual cash. The annual dividend works out to roughly $428 million. Free cash flow of $776 million covers that obligation 1.8 times. This is not a dividend being propped up by borrowings - it is a dividend comfortably supported by operating cash. The company has also delivered twelve consecutive quarters of positive free cash flow after dividends, a three-year streak that demonstrates consistency rather than luck. The forward dividend yield of roughly 4.1% is attractive for a name with this growth trajectory.

Now let's talk about the expansion catalyst.

Management commenced construction on the East Side Express, the company's first intrastate regional dry gas pipeline. The project will cost $200 million to $300 million over two to three years - approximately $100 million annually - and is designed to move 1.5 to 2.0 billion cubic feet per day. It serves approximately 700 future dry gas locations, and management is projecting high-single-digit EBITDA growth in 2027, supported by water integration projects and rising gathering volumes. This is not a speculative optionality play - it is a multi-year buildout with contracted underlying inventory and decades of resource behind it. For a company that has historically operated exclusively as an affiliated gatherer, this marks a meaningful shift toward broader market access and dry gas connectivity.

Here is where the "undervalued" label gets complicated.

Antero Midstream trades at 15.5 times EV/EBITDA. Western Midstream - the largest peer in the space, with $19.2 billion in market capitalization and $2.1 billion in annual EBITDA - trades at 12.7 times EV/EBITDA. On that measure, Antero Midstream is 22% more expensive, not cheaper. On a price-to-earnings basis, the gap widens further: AM at 26 times trailing earnings versus WES at 16 times.

This does not mean the stock is overpriced. It means the "deep discount" narrative does not survive peer comparison. AM's premium reflects real quality differentials: 71.4% EBITDA margins versus WES's more blended cost structure, 19.8% return on equity, 9.5% return on invested capital, and a growth trajectory (19% volume growth, +7.5% FCF growth) that dwarfs WES's declining free cash flow of -9.8% year-over-year. WES is a mature, yield-focused platform at 9.6% dividend yield. AM is a growth-oriented fee infrastructure name at 4.1% yield. They are different businesses priced for different profiles.

But the premium is already there. The stock is up 23.5% year-to-date and trades within striking distance of its 52-week high of $23.84. The market has already recognized a good deal of the improvement.

Where I see room for the thesis is not in a peer catch-up trade - AM is already ahead of WES on multiples - but in whether the market will accept a wider premium as growth materializes. If East Side Express delivers on its promise, if 2027 EBITDA growth hits the high single digits, and if the balance sheet stays below 3 times leverage, the market could rationally assign AM a 17x to 18x EV/EBITDA multiple. At 15.5 times today, with EBITDA growing into the year, that implies roughly 15% to 20% upside from multiple expansion and earnings growth combined over the next 12 to 18 months.

Even if the natural gas complex weakens, the fee-based contract structure insulates the cash flow. The risk is not commodity pricing - it is affiliate concentration. Almost all of Antero Midstream's revenue flows from Antero Resources. If AR scales back drilling, volumes stall, and the growth story unravels. That concentration risk is real, and it is why AM has not yet re-rated to the levels you see in more diversified midstream names.

While it's true that the peer multiples do not support a "bargain" label, the combination of record volumes, a balance sheet that is actively de-risking, a pipeline project that adds genuine optionality, and free cash flow that covers the dividend 1.8 times creates a quality profile that the market has not yet fully priced.

All things considered, Antero Midstream is not the deep discount I typically hunt for. It is something different - a fee-based infrastructure compounder with growing cash flows, a cleaning balance sheet, and a new growth option that could justify a wider premium. I rate this a Buy.