Fortistar
Overview
Fortistar is a privately-owned investment firm that provides capital to build, grow and manage companies that address complex sustainability challenges . Fortistar utilizes its capital, flexibility and operating expertise to grow high-performing assets, first in independent power and now in other areas that support decarbonization . As a team, Fortistar has led financings raising over $3.5 billion in capital for companies and projects in the energy, transportation and industrial sectors .
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Skyryse | Oct 2021 | Series B | - |
| Rise Robotics | Apr 2025 | VC Round | Co-investor |
| OnePointOne | Apr 2022 | Series A | Co-investor |
| Titan Advanced Energy Solutions | Nov 2021 | Series B | Co-investor |
| Vestaron | Aug 2022 | Series C Extension | - |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Fortistar based?
Fortistar is headquartered in White Plains, New York, United States.
When was Fortistar founded?
Fortistar was founded in 1993.
How many portfolio companies does Fortistar have?
Fortistar has 8 portfolio companies in Caplight's dataset.
What are some companies in Fortistar's portfolio?
Portfolio companies visible on Caplight include Skyryse, Rise Robotics, OnePointOne, Titan Advanced Energy Solutions, Vestaron.
What was Fortistar's most recent investment shown here?
Fortistar's most recent investment in this portfolio sample was in Rise Robotics in 2025.
What sectors does Fortistar focus on?
Fortistar focuses on Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Healthcare & Life Sciences, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Energy & Sustainability, Frontier & Industrial Tech.
What company stages does Fortistar focus on?
Fortistar typically invests at the MultiStage stage.
What is Fortistar's AUM?
Fortistar's assets under management are estimated between $250.0M and $500.0M.