Solaris Energy Infrastructure (SEI)
Provides modular power infrastructure and wellsite material-management systems across U.S. data center and energy markets.
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13F · 13D/G · Form 4
| Institutions | ≈ 107.60% | 65.94M shares | |
|---|---|---|---|
| 452 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 4.90% | 3.00M shares | |
| 15 holders · as of Sep 9, 2026 | |||
| Strategic holders | 15.00% | 9.19M shares | |
| 2 holders · as of Jul 30, 2025 | |||
| Adds to | 127.50% | ||
61.28M company shares as of Aug 21, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 127.50%; nothing is left for Other.
13F, as of Jun 30, 2026
452 holders · 65.94M shares · 114 new positions · 271 increased · 129 reduced · 46 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.20M | 8.49% | +1.08M | Aug 7, 2026 |
| Encompass Capital Advisors LLC | 2.52M | 4.11% | +769.6K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 2.45M | 3.99% | +407.2K | Aug 13, 2026 |
| Morgan Stanley | 2.02M | 3.30% | +316.8K | Aug 13, 2026 |
| Two Sigma Investments, LP | 1.98M | 3.23% | +38.3K | Aug 14, 2026 |
| Summit Partners Public Asset Management, LLC | 1.69M | 2.76% | −36.2K | Aug 14, 2026 |
| Jennison Associates LLC | 1.69M | 2.76% | +511.5K | Aug 3, 2026 |
| Valiant Capital Management, L.P. | 1.60M | 2.62% | +484.8K | Aug 14, 2026 |
13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 8, 2026 | Aj Teaguedirector | Purchase · 2 lots | 7,800 | $64.23 | 131,825 |
| May 13, 2026 | Christopher P. Wirtzofficer: Chief Accounting Officer | Sale | 700 | $77.22 | 36,085 |
| May 12, 2026 | Laurie H. Argodirector | Sale | 5,200 | $72.88 | 44,839 |
| May 11, 2026 | Christopher M. Powellofficer: Chief Legal Officer | Sale · 3 lots | 36,852 | $74.63 | 114,117 |
| May 8, 2026 | Ray N. JR Walkerdirector | Sale | 56,841 | $72.11 | 5,760 |
| May 8, 2026 | Aj Teaguedirector | Purchase · 2 lots | 6,175 | $72.98 | 120,950 |
| May 6, 2026 | W. Howard JR Keenandirector | Sale | 2,000,000 | $74.50 | 0 |
| Apr 30, 2026 | KTR Management Company, LLC10 percent owner | Sale | 2,000,000 | $70.75 | 0 |
| Dec 17, 2025 | Laurie H. Argodirector | Sale | 2,300 | $44.25 | 50,039 |
| Dec 17, 2025 | Amanda M. Brockdirector, officer: Co-Chief Executive Officer | Purchase | 3,669 | $40.89 | 141,080 |
House and Senate disclosures
Not reported.