Northwire Canada EditionSunday, October 18, 2026
Sign inSubscribe
Northwire
⌕
GOLD 4181.10 +0.3% SILVER 57.30 +0.3% COPPER 6.57 +0.3% OIL 99.02 +1.1% PALLADIUM 1118.60 −0.9% GBU 0.095 +0.0% ATY 0.225 +4.7% GRDM 0.215 +0.0% PPM 0.300 +0.0% GZD 0.040 −11.1% CAN 0.060 +0.0% BGF 0.025 +0.0% MSV 0.570 +0.0% CCMM 0.485 +0.0% MON 0.385 −6.1% OMI 0.245 −2.0% BUFF 0.800 +2.6% FEO 0.630 −3.1% LIB 0.710 −1.4% NPR 0.620 +0.0% QZM 0.380 +0.0% GOLD 4181.10 +0.3% SILVER 57.30 +0.3% COPPER 6.57 +0.3% OIL 99.02 +1.1% PALLADIUM 1118.60 −0.9% GBU 0.095 +0.0% ATY 0.225 +4.7% GRDM 0.215 +0.0% PPM 0.300 +0.0% GZD 0.040 −11.1% CAN 0.060 +0.0% BGF 0.025 +0.0% MSV 0.570 +0.0% CCMM 0.485 +0.0% MON 0.385 −6.1% OMI 0.245 −2.0% BUFF 0.800 +2.6% FEO 0.630 −3.1% LIB 0.710 −1.4% NPR 0.620 +0.0% QZM 0.380 +0.0%
M&A / Property

Stack Capital invests $5-million (U.S.) into X-energy

By The Northwire Desk — AI Analysis Jan 28, 2026 · 17:13 STCK · 19.55 Stack Capital Group Inc
STCK · Price

Executive Summary

  • Stack Capital Group Inc. has invested $5 million USD into X-energy Reactor Company LLC, a developer of advanced nuclear technology and small modular reactors (SMRs).
  • The investment positions Stack Capital in the advanced nuclear sector, citing the critical need for reliable, carbon-free baseload power to support AI, electrification, and industrial decarbonization.
  • X-energy is backed by significant private capital ($1.8 billion) and U.S. Department of Energy funding ($1.2 billion), with major stakeholders including Amazon, Dow Inc., and Ontario Power Generation.

Key Details

  • Investment Amount: $5 million USD.
  • Investor: Stack Capital Group Inc.
  • Target Company: X-energy Reactor Company LLC.
  • Target Technology:
    • Xe-100: Advanced small modular reactor (SMR).
    • Xenith: Factory-built microreactor for critical infrastructure, microgrids, and remote communities.
    • Triso-X: Proprietary particle fuel capable of withstanding very high temperatures without melting.
  • X-energy Backing:
    • Approximately $1.8 billion in private capital.
    • Up to $1.2 billion in U.S. Department of Energy funding through the Advanced Reactor Demonstration Program.
  • Key Stakeholders/Customers: Amazon, Dow Inc., Energy Northwest, Ontario Power Generation, and Centrica.
  • Strategic Rationale: To address global economic growth constraints by providing carbon-free baseload power for the digital economy and climate objectives.

Notable Quotes

  • "Reliable, carbon-free baseload power is becoming one of the most critical constraints on global economic growth, particularly as AI [artificial intelligence], electrification and industrial decarbonization accelerate," said Jimmy Vaiopoulos, chief financial officer of Stack Capital. "Advanced nuclear energy is uniquely positioned to meet this demand at scale, and X-Energy stands out as a category leader with differentiated technology, integrated fuel supply and real commercial traction. We believe X-Energy represents a foundational investment in the future energy infrastructure required to support both the digital economy and long-term climate objectives."
Read the original news release →

More from Stack Capital Group Inc

May 07, 2026 · 07:15

Stack Capital Surges on AI Valuation Boom; Premium to Book Value Widens Amid Dilution Concerns

Earnings Apr 10, 2026 · 09:05

Stack Capital Closes Upsized Financing at Premium to Book Value, Validating Private Portfolio Valuations

Financings Mar 31, 2026 · 18:58

Stack Capital Group closes $8.75-million financing

Financings Mar 31, 2026 · 08:54

Stack Capital Closes $8.75M LIFE Tranche as Concurrent $21M Raise Nears Finish Line

Financings Mar 25, 2026 · 22:28

Stack Capital Closes $8.75M LIFE Offering as Private Market Dry Powder Grows Amid AI Valuation Surge

Financings Mar 24, 2026 · 21:15

Stack Capital Group arranges $15-million financing

Financings