Solaris Energy Infrastructure, Inc
Ownership
Ownership Structure
Who owns Solaris Energy Infrastructure, Inc (SEI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.4% of the shares are freely tradable; institutional investors hold 113.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.91 | 5,204,415 | +26.2 | 06/30/2026 |
| Encompass Capital Advisors LLC | 3.83 | 2,519,604 | +44.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.72 | 2,447,630 | +20.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 3.07 | 2,024,283 | +18.6 | 06/30/2026 |
| Two Sigma Investments LLC | 3.01 | 1,979,861 | +2.0 | 06/30/2026 |
| Summit Partners Public Asset Management, LLC | 2.57 | 1,692,838 | -2.1 | 06/30/2026 |
| Jennison Associates LLC | 2.57 | 1,691,193 | +43.4 | 06/30/2026 |
| Valiant Capital Management LP | 2.44 | 1,604,346 | +43.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.96 | 3,920,806 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 1,991,244 | +12.8 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Teague Aj | Director | 127,925 | 7,368,480 $ | Aug 23, 2026 | both |
| Giesinger Edgar R. JR. | Director | 94,202 | 5,426,035 $ | Aug 23, 2026 | direct |
| Keenan W Howard JR | Director | 92,039 | 5,301,446 $ | Aug 23, 2026 | direct |
| Argo Laurie H | Director | 48,170 | 2,774,592 $ | Aug 23, 2026 | direct |
| Yzaguirre Mario Max | Director | 11,484 | 661,478 $ | Aug 23, 2026 | direct |
| Walker Ray N JR | Director | 8,835 | 508,896 $ | Aug 23, 2026 | direct |
| Burke James R | Director | 8,771 | 505,210 $ | Aug 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | Teague Aj | Director | Buy | 3,900 | 64.25 | 250,575 |
| Aug 23, 2026 | Giesinger Edgar R. JR. | Director | Other | 3,246 | 0.00 | – |
| Aug 23, 2026 | Keenan W Howard JR | Director | Other | 2,989 | 0.00 | – |
| Aug 23, 2026 | Argo Laurie H | Director | Other | 3,331 | 0.00 | – |
| Aug 23, 2026 | Teague Aj | Director | Other | 3,075 | 0.00 | – |
| Aug 23, 2026 | Burke James R | Director | Other | 3,075 | 0.00 | – |
| Aug 23, 2026 | Yzaguirre Mario Max | Director | Other | 3,160 | 0.00 | – |
| Aug 23, 2026 | Walker Ray N JR | Director | Other | 3,075 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 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.