Compare · NPKI vs SEI
NPKI vs SEI
Side-by-side comparison of NPK International Inc. (NPKI) and Solaris Energy Infrastructure Inc. (SEI): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both NPKI and SEI 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 5.7x NPKI ($928.9M).
- Over the past year, NPKI is down 6.3% and SEI is up 15.8% - SEI leads by 22.0 points.
- SEI has been more active in the news (6 items in the past 4 weeks vs 3 for NPKI).
- SEI has more recent analyst coverage (14 ratings vs 1 for NPKI).
PerformanceNPKI-6.26%SEI+15.78%
2025-10-16+0.00%2026-10-16
- Company
- NPK International Inc.
- Solaris Energy Infrastructure Inc.
- Price
- $10.79+1.12%
- $62.70-3.78%
- Market cap
- $928.9M
- $5.31B
- 1M return
- -15.37%
- -9.43%
- 1Y return
- -6.26%
- +15.78%
- Industry
- Oil and Gas Field Machinery
- Oil and Gas Field Machinery
- Exchange
- NYSE
- NYSE
- IPO
- 2017
- News (4w)
- 3
- 6
- Recent ratings
- 1
- 14
Latest NPKI
- NPK International Announces Third Quarter 2026 Results Conference Call and Webcast Date
- EVP Commercial Growth & Ops. Barton Iii Alvin James was granted 12,850 shares (SEC Form 4)
- SEC Form 3 filed by new insider Barton Iii Alvin James
- NPK International Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits
- NPK Announces New Executive Vice President, Commercial Growth & Operations
- Chief Accounting Officer Warren Matthew James sold $40,113 worth of shares (2,991 units at $13.41) as part of a pre-agreed trading plan, decreasing direct ownership by 5% to 51,439 units (SEC Form 4)
- New insider Warren Matthew James claimed ownership of 54,430 shares (SEC Form 3)
- NPK International Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits
- NPK Announces Chief Financial Officer Retirement, Initiates Finance Leadership Succession Plan
- Director Robeson Rose M sold $134,917 worth of shares (10,000 units at $13.49) as part of a pre-agreed trading plan, decreasing direct ownership by 4% to 215,147 units (SEC Form 4)
Latest SEI
- Solaris Energy Infrastructure Schedules Third Quarter 2026 Results Conference Call
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement
- Solaris Energy Infrastructure Announces Pricing of Upsized Offering of $1.25 Billion of 7.000% Senior Notes due 2032
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events
- Solaris Energy Infrastructure Announces Offering of $1.0 Billion of Senior Notes due 2032
- Director Teague Aj bought $500,994 worth of shares (7,800 units at $64.23), increasing direct ownership by 3% to 116,865 units (SEC Form 4)
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Unregistered Sales of Equity Securities, Regulation FD Disclosure
- Solaris Energy Infrastructure Raises 2026 and Initiates First Quarter 2027 Guidance
- Solaris Energy Infrastructure Acquires Omega, Adding Specialized EPC Capabilities to Its Power Infrastructure Offering