Compare · SEI vs STAK
SEI vs STAK
Side-by-side comparison of Solaris Energy Infrastructure Inc. (SEI) and STAK Inc. (STAK): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both SEI and STAK operate in Oil and Gas Field Machinery (Consumer Discretionary), so they compete in similar markets.
- SEI is the larger of the two at $5.31B, about 78.4x STAK ($67.8M).
- Over the past year, SEI is up 147.8% and STAK is up 186.0% - STAK leads by 38.2 points.
- STAK has been more active in the news (3 items in the past 4 weeks vs 2 for SEI).
- SEI has more recent analyst coverage (11 ratings vs 0 for STAK).
PerformanceSEI+147.82%STAK+186.03%
2025-06-09+0.00%2026-06-08
- Company
- Solaris Energy Infrastructure Inc.
- STAK Inc.
- Price
- $72.14+3.93%
- $5.12+0.99%
- Market cap
- $5.31B
- $67.8M
- 1M return
- -1.31%
- +387.62%
- 1Y return
- +147.82%
- +186.03%
- Industry
- Oil and Gas Field Machinery
- Oil and Gas Field Machinery
- Exchange
- NYSE
- NASDAQ
- IPO
- 2017
- 2025
- News (4w)
- 2
- 3
- Recent ratings
- 11
- 0
Latest SEI
- Chief Accounting Officer Wirtz Christopher P. covered exercise/tax liability with 1,303 shares, decreasing direct ownership by 4% to 34,782 units (SEC Form 4) (withholding tax)
- SEC Form 8-K filed by Solaris Energy Infrastructure Inc.
- Amendment: SEC Form SCHEDULE 13G/A filed by Solaris Energy Infrastructure Inc.
- Director Argo Laurie H sold $378,976 worth of shares (5,200 units at $72.88), decreasing direct ownership by 10% to 44,839 units (SEC Form 4)
- Chief Accounting Officer Wirtz Christopher P. sold $54,054 worth of shares (700 units at $77.22), decreasing direct ownership by 2% to 36,085 units (SEC Form 4)
- Solaris Energy Infrastructure Announces Completion of $2 Billion Financing and Expansion of Existing Power Contract
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement
- Chief Legal Officer Powell Christopher M sold $2,750,444 worth of shares (36,852 units at $74.63), decreasing direct ownership by 24% to 114,117 units (SEC Form 4)
- Director Teague Aj bought $450,652 worth of shares (6,175 units at $72.98), increasing direct ownership by 3% to 109,890 units (SEC Form 4)
- Director Walker Ray N Jr sold $4,098,805 worth of shares (56,841 units at $72.11), decreasing direct ownership by 91% to 5,760 units (SEC Form 4)
Latest STAK
- SEC Form 6-K filed by STAK Inc.
- STAK Inc. to Launch AI-Ready Distributed Power Solutions Through Proposed U.S. Subsidiary
- STAK Inc. Accelerates New Energy Vehicle Expansion with Growing Product Portfolio and Intellectual Property
- SEC Form 6-K filed by STAK Inc.
- STAK Inc. Announces First Half of Fiscal Year 2026 Financial Results
- SEC Form 6-K filed by STAK Inc.
- STAK Inc. Regains Compliance with Nasdaq Bid Price Requirement
- SEC Form 3 filed by new insider Beekmans Johannes Antonius Gerardus
- SEC Form 3 filed by new insider Hu Yiqin
- SEC Form 3 filed by new insider Xu Ke Dennis