SuperworthAntero Midstream market cap AM
Share price times shares outstanding: what the whole company sells for, since 2017.
- Today, Oct 23, 2026
- $9.9B
- Highest close in our data
- $11B
- Jun 2026
Antero Midstream is worth $9.9B at the close on Oct 23, 2026, at $20.85 a share.
That is up 16% over the last year and up 95% over five years.
Its highest close in our data was $11B in Jun 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $9.9B | $8.2B | $11B | +17% |
| 2025 | $8.4B | $7.4B | $9.4B | +16% |
| 2024 | $7.3B | $5.7B | $7.7B | +21% |
| 2023 | $6B | $4.7B | $6.4B | +16% |
| 2022 | $5.2B | $4.3B | $5.5B | +12% |
| 2021 | $4.6B | $3.8B | $5.5B | +26% |
| 2020 | $3.7B | $1.1B | $4B | −1% |
| 2019 | $3.7B | $2.3B | $6.8B | +81% |
| 2018 | $2.1B | $2.1B | $4.1B | −44% |
| 2017 | $3.7B | $3.2B | $4.1B | n/a |
Against its peers
Companies in Oil & Gas Midstream nearest Antero Midstream's size, closest first, today.
| Company | Market cap |
|---|---|
| AMAntero Midstream | $9.9B |
| KNTKKinetik | $9B |
| DTMDT Midstream | $12.6B |
| SWXSouthwest Gas | $6.6B |
| WESWestern Midstream Partners | $18.6B |
| AROCArchrock | $5.1B |
| KGSKodiak Gas Services | $4.5B |
| CPKChesapeake Utilities | $3.2B |
| CQPCheniere Energy Partners | $32B |
| VGVenture Global | $35B |
| CTRICenturi | $2B |
| Peer median | $7.8B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Antero Midstream
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.