Who owns Solaris Energy Infrastructure, Inc.?
Institutional ownership of SEI from SEC Form 13F filings across 277 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.
277
13F holders
$3.73B
value, 2026 filers
77.8%
of shares outstanding (47.7M sh)
66
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% | 8.5% | +26.2% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $196.9M | 0.0% | 4% | -40.0% |
| 3 | MORGAN STANLEY | 2.0M | $162.9M | 0.0% | 3.3% | +18.6% |
| 4 | TWO SIGMA INVESTMENTS, LP | 2.0M | $159.3M | 0.1% | 3.2% | +2.0% |
| 5 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1.7M | $136.2M | 2.4% | 2.8% | -2.1% |
| 6 | JENNISON ASSOCIATES LLC | 1.7M | $136.1M | 0.1% | 2.8% | +43.4% |
| 7 | FMR LLC | 1.6M | $127.2M | 0.0% | 2.6% | -15.1% |
| 8 | VAN ECK ASSOCIATES CORP | 1.5M | $119.0M | 0.1% | 2.4% | -24.3% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $108.8M | 0.0% | 2.2% | +22.8% |
| 10 | GOLDMAN SACHS GROUP INC | 1.3M | $102.9M | 0.0% | 2.1% | +12.8% |
| 11 | AMERIPRISE FINANCIAL INC | 1.1M | $92.1M | 0.0% | 1.9% | +57.9% |
| 12 | Clearbridge Investments, LLC | 1.1M | $91.6M | 0.1% | 1.9% | +920.2% |
| 13 | Korea Investment CORP | 1.1M | $88.2M | 0.2% | 1.8% | +63.5% |
| 14 | PRINCIPAL FINANCIAL GROUP INC | 1.1M | $86.3M | 0.0% | 1.7% | -6.3% |
| 15 | NEUBERGER BERMAN GROUP LLC | 927,422 | $74.6M | 0.0% | 1.5% | +259.9% |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | 879,771 | $70.8M | 0.0% | 1.4% | -5.3% |
| 17 | UBS Group AG | 806,686 | $64.9M | 0.0% | 1.3% | +13.2% |
| 18 | PRICE T ROWE ASSOCIATES INC /MD/ | 798,365 | $64,238 | 0.0% | 1.3% | +1454.4% |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 794,184 | $63.9M | 0.0% | 1.3% | +31.0% |
| 20 | DEUTSCHE BANK AG\ | 627,809 | $50.5M | 0.0% | 1% | +39.9% |
| 21 | WESTWOOD HOLDINGS GROUP INC | 625,948 | $50.4M | 0.4% | 1% | +3.9% |
| 22 | Qube Research & Technologies Ltd | 612,638 | $49.3M | 0.0% | 1% | -22.8% |
| 23 | VOYA INVESTMENT MANAGEMENT LLC | 569,949 | $45.9M | 0.0% | 0.9% | -27.9% |
| 24 | FRANKLIN RESOURCES INC | 567,173 | $45.6M | 0.0% | 0.9% | +43.5% |
| 25 | Nuveen, LLC | 558,368 | $44.9M | 0.0% | 0.9% | +2.4% |
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.