LuminArx Capital Management is a global alternative investment manager focused on Special Situations and capital solutions investing. Founded in 2023, it provides innovative financing across private credit, asset-backed credit, and corporate debt, leveraging relationships across banks, corporations, governments, and insurance companies.
Deal activity increased 300% year-over-year (4 deals in the last 12 months). Average disclosed round size is $402.2M (across 8 rounds with reported amounts).
Portfolio
6
Fund Size
—
Top Stage
Growth
Last 12 Mo
4
Team
Min Htoo
Co-Founder & Chief Investment Officer
Andrew Fitch
Managing Director
David Kitchen
Managing Director, Senior Transaction Counsel
Greg Bilse
Partner
Joshua Diamant
Partner & Portfolio Manager, Capital Markets
AJ Weinberg
Vice President
Alex Linsday
Vice President
Anatoly Fedorko
Vice President
Brad Fretti
Vice President
Joseph Leitao
Vice President, Operations
Rick Li
Vice President
Thomas Risinger
Vice President
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Nscale | Series B | $1.4B | Feb 2026 |
| AAxonic Insurance | Unknown | $210M | Oct 2025 |
 Upgrade, Inc. | Series G | $165M | Oct 2025 |
 Upgrade | Series G | $105M | Oct 2025 |
 Vultr | Growth | $333M | Dec 2024 |
| Vultr | Unknown | — | Jan 2024 |
 Sierra Space | Growth | $290M | — |
| Upgrade, Inc. | Growth | $165M | — |
| Sierra Space | Series C | $550M | — |
Top Co-Investors
Last updated: 20 October 2026