SuperworthReliance Steel & Aluminum market cap RS
Share price times shares outstanding: what the whole company sells for, since 2010.
- Today, Oct 23, 2026
- $21.2B
- Highest close in our data
- $21.8B
- Aug 2026
Reliance Steel & Aluminum is worth $21.2B at the close on Oct 23, 2026, at $415.62 a share.
That is up 46% over the last year and up 129% over five years.
Its highest close in our data was $21.8B in Aug 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $21.2B | $15B | $21.8B | +37% |
| 2025 | $15.5B | $14B | $17.7B | +6% |
| 2024 | $14.6B | $14.6B | $19.5B | −9% |
| 2023 | $16.1B | $12.2B | $17B | +35% |
| 2022 | $11.9B | $9.5B | $12.7B | +17% |
| 2021 | $10.2B | $7.4B | $11.3B | +33% |
| 2020 | $7.6B | $5B | $8.1B | −5% |
| 2019 | $8B | $5.1B | $8.1B | +60% |
| 2018 | $5B | $5B | $7B | −20% |
| 2017 | $6.3B | $5.1B | $6.3B | +8% |
| 2016 | $5.8B | $3.8B | $6.1B | +39% |
| 2015 | $4.1B | $4B | $4.9B | −13% |
| 2014 | $4.8B | $4.6B | $5.9B | −18% |
| 2013 | $5.9B | $4.8B | $5.9B | +28% |
| 2012 | $4.6B | $3.5B | $4.7B | +25% |
| 2011 | $3.7B | $2.5B | $4.4B | −4% |
| 2010 | $3.8B | $2.8B | $3.8B | n/a |
Against its peers
Companies in Steel nearest Reliance Steel & Aluminum's size, closest first, today.
| Company | Market cap |
|---|---|
| RSReliance Steel & Aluminum | $21.2B |
| CRSCarpenter Technology | $14.1B |
| STLDSteel Dynamics | $34.6B |
| NUENucor | $58.6B |
| CSTMConstellium | $3.1B |
| WORWorthington Enterprises | $3.1B |
| Peer median | $14.1B |
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 Reliance Steel & Aluminum
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.