SEI Solaris Energy Infrastructure, Inc.: institutional ownership and insider trading
468 funds reported holding $6.47B of Solaris Energy Infrastructure, Inc. in their latest 13F filings; in Q2 2026 funds net bought $585M, with 111 new positions and 40 funds selling out; over the last 12 months insiders bought $1.30M and sold $301M on the open market.
Famous investors holding SEI
- Two Sigma (Two Sigma Investments): $159M, 0.1% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $22.0M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $71.9M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $32.4M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $10.7M, 0.0% of the portfolio
Largest institutional holders of SEI
- BlackRock, Inc. (BLK) — $419M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $212M
- Encompass Capital Advisors LLC — $203M
- VANGUARD CAPITAL MANAGEMENT LLC — $197M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $163M
- TWO SIGMA INVESTMENTS, LP — $159M
- SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC — $136M
- JENNISON ASSOCIATES LLC — $136M
- JANE STREET GROUP, LLC — $134M
- VANGUARD GROUP INC — $134M
Recent SEI insider trades
- Sep 8, 2026: Teague Aj bought 7,800 shares ($501K)
- May 13, 2026: Wirtz Christopher P. sold 700 shares ($54.1K)
- May 12, 2026: Argo Laurie H sold 5,200 shares ($379K)
- May 11, 2026: Powell Christopher M sold 36,852 shares ($2.75M)
Members of Congress trading SEI
- Jan 9, 2026: Gilbert Ray Cisneros, Jr. sold $15.0K–$50.0K
- Sep 2, 2025: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- May 6, 2025: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
5%+ owners
- BlackRock, Inc.: 13.1% (Schedule 13G/A, filed Aug 6, 2026)
- YORKTOWN ENERGY PARTNERS X, L.P.: 7.2% (Schedule 13G/A, filed Aug 14, 2026)