Who owns Solaris Energy Infrastructure, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SEI from SEC Form 13F filings across 432 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 432 institutions disclosed 71.0M shares of Solaris Energy Infrastructure, Inc. worth $5.71B — about 119.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
432
13F holders
$5.71B
value, 2026 filers
119.9%
of shares outstanding (71.0M sh)
121
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SEI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.2M | $418.7M | 0.0% | 8.8% | +26.2% |
| 2 | Encompass Capital Advisors LLC | 2.5M | $202.7M | 7.2% | 4.3% | +44.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $196.9M | 0.0% | 4.1% | +20.0% |
| 4 | MORGAN STANLEY | 2.0M | $162.9M | 0.0% | 3.4% | +18.6% |
| 5 | TWO SIGMA INVESTMENTS, LP | 2.0M | $159.3M | 0.1% | 3.3% | +2.0% |
| 6 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1.7M | $136.2M | 2.4% | 2.9% | -2.1% |
| 7 | JENNISON ASSOCIATES LLC | 1.7M | $136.1M | 0.1% | 2.9% | +43.4% |
| 8 | Valiant Capital Management, L.P. | 1.6M | $129.1M | 5.2% | 2.7% | +43.3% |
| 9 | Driehaus Capital Management LLC | 1.6M | $127.5M | 0.7% | 2.7% | -2.7% |
| 10 | FMR LLC | 1.6M | $127.2M | 0.0% | 2.7% | -15.1% |
| 11 | STATE STREET CORP | 1.5M | $119.7M | 0.0% | 2.5% | +9.7% |
| 12 | VAN ECK ASSOCIATES CORP | 1.5M | $119.0M | 0.1% | 2.5% | -24.3% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $108.8M | 0.0% | 2.3% | +22.8% |
| 14 | GOLDMAN SACHS GROUP INC | 1.3M | $102.9M | 0.0% | 2.2% | +12.8% |
| 15 | AMERIPRISE FINANCIAL INC | 1.1M | $92.1M | 0.0% | 1.9% | +57.9% |
| 16 | Clearbridge Investments, LLC | 1.1M | $91.6M | 0.1% | 1.9% | +920.2% |
| 17 | Situational Awareness LP | 1.1M | $90.9M | 0.4% | 1.9% | +2.2% |
| 18 | Korea Investment CORP | 1.1M | $88.2M | 0.2% | 1.9% | +63.5% |
| 19 | Advent International, L.P. | 1.1M | $88.1M | 0.5% | 1.8% | -11.8% |
| 20 | PRINCIPAL FINANCIAL GROUP INC | 1.1M | $86.3M | 0.0% | 1.8% | -6.3% |
| 21 | GW&K Investment Management, LLC | 1.0M | $83.5M | 0.7% | 1.8% | -2.2% |
| 22 | NEUBERGER BERMAN GROUP LLC | 927,422 | $74.6M | 0.0% | 1.6% | +259.9% |
| 23 | WELLINGTON MANAGEMENT GROUP LLP | 879,771 | $70.8M | 0.0% | 1.5% | -5.3% |
| 24 | DIMENSIONAL FUND ADVISORS LP | 868,808 | $69.9M | 0.0% | 1.5% | -0.3% |
| 25 | UBS Group AG | 806,686 | $64.9M | 0.0% | 1.4% | +13.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.