Solaris Energy Infrastructure, Inc (SEI)
Who owns Solaris Energy Infrastructure, Inc (SEI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.9% of the shares are freely tradable; institutional investors hold 113.1%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.06 | 4,122,436 | -4.4 | 03/31/2026 |
| Vanguard Group Inc | 4.99 | 2,913,632 | +9.3 | 12/31/2025 |
| Millennium Management LLC | 3.91 | 2,285,544 | +23.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.49 | 2,040,451 | +0.0 | 03/31/2026 |
| Van Eck Associates Corporation | 3.35 | 1,954,455 | +57.4 | 03/31/2026 |
| Two Sigma Investments LLC | 3.32 | 1,941,546 | +79.8 | 03/31/2026 |
| FMR Inc | 3.19 | 1,862,561 | -18.7 | 03/31/2026 |
| Encompass Capital Advisors LLC | 3.00 | 1,750,000 | -31.6 | 03/31/2026 |
| Summit Partners Public Asset Management, LLC | 2.96 | 1,729,055 | -16.7 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.92 | 1,707,455 | -18.4 | 03/31/2026 |
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.