Solaris Energy Infrastructure, Inc. (SEI)
NYSE: SEI · Real-Time Price · USD
76.40
+3.32 (4.54%)
At close: Oct 9, 2026, 4:00 PM EDT
77.19
+0.79 (1.03%)
After-hours: Oct 9, 2026, 7:45 PM EDT
SEI Market Cap
SEI has a market cap or net worth of $5.85 billion as of October 9, 2026. It is the 3,243rd most valuable company in the world and the 1,032nd biggest in the United States. Its market cap has increased by 79.54% in one year.
Market Cap
5.85B
Enterprise Value
7.54B
1-Year Change
79.54%
Global Rank
Country Rank
#1,032 United States
Category
ChartMarket Cap Chart
Since May 12, 2017, SEI's market cap has increased from $487.70M to $5.85B, an increase of 1,099.44%. That is a compound annual growth rate of 30.19%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 9, 2026 | 5.85B | 85.88% |
| Dec 31, 2025 | 3.15B | 80.47% |
| Dec 31, 2024 | 1.74B | 394.98% |
| Dec 29, 2023 | 352.30M | -23.88% |
| Dec 30, 2022 | 462.80M | 54.37% |
| Dec 31, 2021 | 299.80M | -18.75% |
| Dec 31, 2020 | 369.00M | -44.61% |
| Dec 31, 2019 | 666.20M | 16.90% |
| Dec 31, 2018 | 569.90M | -39.06% |
| Dec 29, 2017 | 935.20M | 91.76% |
| May 12, 2017 | 487.70M | - |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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