Solaris Energy Infrastructure, Inc (SEI)
Energy
Oil & Gas Equipment & Services
51.40 $
+0.3%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Solaris Energy Infrastructure, Inc (SEI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.7% of the shares are freely tradable; institutional investors hold 113.1%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
113.1%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
10.3%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
90.7%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
26.1%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
61Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.73 | 4,122,436 | -4.4 | 03/31/2026 |
| Millennium Management LLC | 3.73 | 2,285,544 | +23.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.33 | 2,040,451 | +0.0 | 03/31/2026 |
| Van Eck Associates Corporation | 3.19 | 1,954,455 | +57.4 | 03/31/2026 |
| Two Sigma Investments LLC | 3.17 | 1,941,546 | +79.8 | 03/31/2026 |
| FMR Inc | 3.04 | 1,862,561 | -18.7 | 03/31/2026 |
| Encompass Capital Advisors LLC | 2.86 | 1,750,000 | -31.6 | 03/31/2026 |
| Summit Partners Public Asset Management, LLC | 2.82 | 1,729,055 | -16.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.46 | 3,344,116 | +0.0 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 2.88 | 1,762,446 | +19.4 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.