Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Antero Midstream's share price for the quarter that ended in Mar. 2026 was $22.8. Antero Midstream's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 475 Mil. Therefore, Antero Midstream's market cap for the quarter that ended in Mar. 2026 was $10,831 Mil.
Antero Midstream's quarterly market cap
declined
from Sep. 2025 ($9,267 Mil) to Dec. 2025 ($8,434 Mil) but then
increased
from Dec. 2025 ($8,434 Mil) to Mar. 2026 ($10,831 Mil).
Antero Midstream's annual market cap
increased
from Dec. 2023 ($5,996 Mil) to Dec. 2024 ($7,234 Mil) and
increased
from Dec. 2024 ($7,234 Mil) to Dec. 2025 ($8,434 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Antero Midstream's Enterprise Value for Today is $14,240 Mil.
Antero Midstream (NYSE:AM) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Antero Midstream Market Cap Related Terms
Antero Midstream Market Cap Historical Data
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The historical data trend for Antero Midstream's Market Cap can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Oil & Gas Midstream subindustry, Antero Midstream's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Antero Midstream Market Cap vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Antero Midstream's Market Cap distribution charts can be found below:
* The bar in red indicates where Antero Midstream's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Antero Midstream's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Antero Midstream (AM) has a Market Cap of $10,528 Mil as of Jun. 24, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Antero Midstream and its competitors. According to the industry distribution chart, Antero Midstream ranks #91 out of 1043 companies in the Oil & Gas industry, placing it in the top 8.7%.
Is Antero Midstream's Market Cap too high?
Antero Midstream's current Market Cap is $10,528 Mil. The Oil & Gas industry median Market Cap is 208.26. Antero Midstream's value of $10,528 Mil is 4955.2% above this industry median. Based on the distribution chart, Antero Midstream ranks #91 out of 1043 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Antero Midstream has a GF Score™ of 81/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Antero Midstream's Market Cap compare to VNOM and FRO?
According to the Oil & Gas industry distribution chart, Antero Midstream ranks #91 out of 1043 companies for Market Cap. This places Antero Midstream in the top 9% of its industry — outperforming the majority of peers. The industry median Market Cap is 208.26. Antero Midstream's value of $10,528 Mil is 4955.2% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Oil & Gas company?
The median Market Cap among Oil & Gas companies is 208.26, based on 1,043 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Antero Midstream's current Market Cap of $10,528 Mil is 4955.2% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Antero Midstream and its competitors. For the Oil & Gas industry, the median Market Cap is 208.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Antero Midstream's current Market Cap is $10,528 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Antero Midstream stock overvalued right now?
Based on GuruFocus' analysis, Antero Midstream (AM) is currently considered Modestly Overvalued. The stock's GF Value™ is $17.30, compared to a current price of $22.17 — trading 28.1% above its estimated fair value. The current Market Cap is $10,528 Mil and 4955.2% above the Oil & Gas industry median of 208.26. Antero Midstream's overall GF Score™ is 81/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Antero Midstream (AM), the current Market Cap is $10,528 Mil as of Jun. 24, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Antero Midstream (AM) Overvalued in 2026?
Based on GuruFocus' analysis, Antero Midstream stock appears to be overvalued.
The current stock price of $22.17 is trading 28.1% above its estimated GF Value™ of $17.30.
GuruFocus considers Antero Midstream to be Modestly Overvalued.
Key valuation signals for AM:
Market Cap: $10,528 Mil
GF Value™: $17.30 vs. price of $22.17 (28.1% above fair value)
Industry Position: 4955.2% above the Oil & Gas median (#91 of 1043)
No single metric tells the full story. See the AM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Antero Midstream Corp is a midstream company that owns, operates, and develops midstream energy assets that service Antero Resources' production and completion activity in the Appalachian Basin, located in West Virginia and Ohio. The company has two operating segments: the Gathering and Processing segment, which includes a network of gathering pipelines and compressor stations that collect and process production from Antero Resources wells in West Virginia and Ohio, and the Water Handling segment, which includes two independent systems that deliver water from sources including the Ohio River, local reservoirs, and several regional waterways. The company derives a majority of its revenue from the Gathering and Processing segment.
81GF Score
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