SuperworthSouthwest Gas market cap SWX
Share price times shares outstanding: what the whole company sells for, since 2017.
- Today, Oct 23, 2026
- $6.6B
- Highest close in our data
- $6.7B
- Jul 2026
Southwest Gas is worth $6.6B at the close on Oct 23, 2026, at $91.15 a share.
That is up 12% over the last year and up 61% over five years.
Its highest close in our data was $6.7B in Jul 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $6.6B | $5.8B | $6.7B | +13% |
| 2025 | $5.8B | $4.9B | $6B | +16% |
| 2024 | $5B | $4.2B | $5.6B | +11% |
| 2023 | $4.5B | $3.8B | $4.7B | +9% |
| 2022 | $4.2B | $3.9B | $6.3B | −2% |
| 2021 | $4.2B | $3.3B | $4.3B | +23% |
| 2020 | $3.4B | $2.9B | $4.3B | −17% |
| 2019 | $4.1B | $3.7B | $5B | +10% |
| 2018 | $3.7B | $3.1B | $4.2B | −3% |
| 2017 | $3.8B | $3.5B | $4.1B | n/a |
Against its peers
Companies in Oil & Gas Midstream nearest Southwest Gas' size, closest first, today.
| Company | Market cap |
|---|---|
| SWXSouthwest Gas | $6.6B |
| AROCArchrock | $5.1B |
| KNTKKinetik | $9B |
| KGSKodiak Gas Services | $4.5B |
| AMAntero Midstream | $9.9B |
| DTMDT Midstream | $12.6B |
| CPKChesapeake Utilities | $3.2B |
| WESWestern Midstream Partners | $18.6B |
| CTRICenturi | $2B |
| GELGenesis Energy | $1.7B |
| CQPCheniere Energy Partners | $32B |
| Peer median | $7.1B |
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 Southwest Gas
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.