Antero Midstream
AMNYSEUSD
- Source valuation snapshot. Not a live recalculation.
- Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
- Diluted earnings per share from the latest filed annual.
- $19.78 Prior regular-session close from the quote source.
- $19.57–$20.05 Regular-session low and high so far today.
- 2.5M Regular-session shares traded · Nov 11, 4:00 PM ET.
- Feb 10 projected Projected for 2027-02-10 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
- $17.12–$23.84 52-week trading low and high returned by the quote source.
Understand the Business
Why the Stock Moved
Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.
The core investment thesis
Own AM if Antero Resources keeps developing Appalachian shale through its systems and regulators leave its gathering economics alone, but the stock already prices in a lot of that durability.
AM price history
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Investment thesis
What must happen next
Antero Resources’ continued shale development keeps AM’s gathering and water-handling assets utilized, so the dedicated asset base keeps monetizing well completions rather than becoming stranded infrastructure.StrengtheningMateriality: High
GAAP annual revenue rose from $898.2 million in FY2021 to $1.188 billion in FY2025. If AR keeps drilling and completing wells through AM’s systems, revenue can keep growing without needing a new customer engine; if AR slows or shifts activity, AM’s core demand source weakens.
Watch: Antero Resources announces a material reduction in Appalachian drilling or completions because gas economics no longer justify activity.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
GAAP annual revenue rose from $898.2 million in FY2021 to $1.188 billion in FY2025.
Open source ↗AM’s gathering classification and local infrastructure economics preserve pricing and cost recovery; the margin structure would be impaired if FERC or state regulators reclassified or constrained those assets.HoldingMateriality: High
GAAP annual operating income was $644.7 million in FY2025 on $1.188 billion of revenue, implying a still-high operating margin despite year-over-year pressure. The equity value depends on midstream revenue converting into high operating profit, not merely on throughput growth.
Watch: FERC determines that one or more AM gathering facilities are not exempt gathering assets under the NGA.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
GAAP annual operating income was $644.7 million in FY2025 on $1.188 billion of revenue, implying a still-high operating margin despite.
Open source ↗Management can turn Antero-linked growth into cash because it calibrates capital spending to development plans and seeks to reuse or repurpose existing assets instead of building uneconomic capacity.StrengtheningMateriality: Medium
GAAP annual operating cash flow increased from $709.8 million in FY2021 to $932.5 million in FY2025. Growth only helps owners if it does not require disproportionate reinvestment; sustained cash conversion supports debt capacity and equity value.
Watch: The HG Acquisition requires materially more integration or expansion capital than the announced 2026 capital budget implies.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
GAAP annual operating cash flow increased from $709.8 million in FY2021 to $932.5 million in FY2025.
Open source ↗The balance sheet remains a tool rather than the thesis: AM can fund its asset base and growth only if debt and other liabilities do not outgrow the cash-generating capacity of the system.HoldingMateriality: Medium
Total liabilities were $3.912 billion at FY2025 versus $3.647 billion at FY2024, while GAAP annual operating cash flow also increased to $932.5 million in FY2025. If liabilities rise faster than cash flow, owners lose upside to refinancing risk, covenant pressure, or reduced capital flexibility.
Watch: AM pursues additional debt-funded acquisitions beyond HG that do not bring near-term cash flow.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
Total liabilities were $3.912 billion at FY2025 versus $3.647 billion at FY2024, while GAAP annual operating cash flow also increased.
Open source ↗
Full investment case & evidence
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Original research
Antero Resources’ continued shale development keeps AM’s gathering and water-handling assets utilized, so the dedicated asset base keeps monetizing well completions rather than becoming stranded infrastructure. If AR keeps drilling and completing wells through AM’s systems, revenue can keep growing without needing a new customer engine; if AR slows or shifts activity, AM’s core demand source weakens.
AM’s gathering classification and local infrastructure economics preserve pricing and cost recovery; the margin structure would be impaired if FERC or state regulators reclassified or constrained those assets. The equity value depends on midstream revenue converting into high operating profit, not merely on throughput growth.
Management can turn Antero-linked growth into cash because it calibrates capital spending to development plans and seeks to reuse or repurpose existing assets instead of building uneconomic capacity. Growth only helps owners if it does not require disproportionate reinvestment; sustained cash conversion supports debt capacity and equity value.
The balance sheet remains a tool rather than the thesis: AM can fund its asset base and growth only if debt and other liabilities do not outgrow the cash-generating capacity of the system. If liabilities rise faster than cash flow, owners lose upside to refinancing risk, covenant pressure, or reduced capital flexibility.
All standing thesis claims
Original report summary
Antero Resources keeps developing Appalachian shale through its systems and regulators leave its gathering economics alone, but the stock already prices in a lot of that durability.
Bull case and bear case
Bull case and bear case for Antero Midstream
Where the evidence on Antero Midstream stands: Holding on the latest evidence (Oct 21, 2026). Of its 4 thesis points, 2 strengthening and 2 holding.
Bull case: what the evidence supports
Antero Resources’ continued shale development keeps AM’s gathering and water-handling assets utilized, so the dedicated asset base keeps monetizing well completions rather than becoming stranded infrastructure.
AM’s gathering classification and local infrastructure economics preserve pricing and cost recovery; the margin structure would be impaired if FERC or state regulators reclassified or constrained those assets.
Management can turn Antero-linked growth into cash because it calibrates capital spending to development plans and seeks to reuse or repurpose existing assets instead of building uneconomic capacity.
The balance sheet remains a tool rather than the thesis: AM can fund its asset base and growth only if debt and other liabilities do not outgrow the cash-generating capacity of the system.
Bear case: what would count against it
Antero Resources announces a material reduction in Appalachian drilling or completions because gas economics no longer justify activity.
FERC determines that one or more AM gathering facilities are not exempt gathering assets under the NGA.
The HG Acquisition requires materially more integration or expansion capital than the announced 2026 capital budget implies.
Thesis-Break Engine
Thesis-break watch · Antero Midstream
No break has crossed Antero Midstream’s thesis. Its break conditions are checked against every new filing as it lands.
MARKET + FINANCIAL SNAPSHOT
The numbers behind the thesis
What Changed
- MixedReported results of operations (earnings release).
Antero Midstream filed an SEC 8-K on 2026-07-29: Reported results of operations (earnings release). It is a dated development that tests the current thesis.
- MixedRegulation FD disclosure.
Antero Midstream filed an SEC 8-K on 2026-07-27: Regulation FD disclosure. It is a dated development that tests the current thesis.
- MixedRegulation FD disclosure.
Antero Midstream filed an SEC 8-K on 2026-05-12: Regulation FD disclosure. It is a dated development that tests the current thesis.
Risks / falsifiers
What could break the thesis
- Antero Resources announces a material reduction in Appalachian drilling or completions because gas economics no longer justify activity.
- FERC determines that one or more AM gathering facilities are not exempt gathering assets under the NGA.
- The HG Acquisition requires materially more integration or expansion capital than the announced 2026 capital budget implies.
- AM pursues additional debt-funded acquisitions beyond HG that do not bring near-term cash flow.
AM news
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Financial statements
AM income statement
Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.
AM: quick answers
- When does Antero Midstream (AM) report earnings next?
- Antero Midstream's next results are projected for February 10, 2027, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on October 28, 2026. Earnings calendar
- What is AM's short interest?
- As of October 30, 2026, 14.9M AM shares were sold short, 3.16% of its shares outstanding, up 9.4% from the count before. At the stock's average daily volume that is 4.9 days to cover. FINRA publishes the count twice a month. AM short interest history
- Have members of Congress traded AM?
- 90 trades in AM have been disclosed under the STOCK Act by members of Congress, the President or senior officials, none in reports made public in the last 90 days. Every disclosed AM trade
- Which well-known investors own AM?
- 1 of the 37 well-known funds tracked here reported AM shares in their latest 13F filing. By share of the fund's portfolio: Bridgewater Associates (Ray Dalio), 0.0%. Fund portfolios
AM in well-known investors’ portfolios
1 of 37 funds reported AM shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.
| Fund | Of its portfolio | Value | Change | Quarter |
|---|---|---|---|---|
| Ray DalioBridgewater Associates | 0.02% | $4.1M | +18.0% | Q2 2026 |
