Top 10 Infrastructure Capital Raises and Investors in the U.S. – January 1st – March 31st, 2026
Several interesting transactions closed in the Infrastructure sector over the past quarter. If you would like more info on these deals or would like to discuss the capital raising market for your company, please contact me.
PIPE
- Energous Corp, scalable, over-the-air Wireless Power Network (WPN) technology that integrates semiconductor chipsets, software controls, hardware designs, and antenna systems to enable radio frequency (RF)-based charging for ambient Internet of Things (ambient IoT) devices, transforming supply chain capabilities from limited tracking to overall business intelligence, received $4 million of development capital.
Merger/Acquisition
- BioPhy, an artificial intelligence technology that optimizes global pharmaceutical operations, was acquired by Intrinsic Clinical Systems, a subsidiary of ProPharma Group.
- Far North Power, 310 megawatts of power infrastructure that operates in Ontario, Canada, was acquired by TransAlta for CAD 95 million.
- HG II Energy Midstream Holdings, operator of midstream energy infrastructure assets that supports the gathering, transportation, and storage of oil and natural gas, was acquired by Antero Midstream for an estimated $1.1 billion.
Later Stage VC
- Alpha Nur, nuclear fuel recycling technologies that bolster American national security and clean energy development by converting high-grade nuclear waste into mid-grade nuclear fuel, raised $180,000 of venture funding from Ecosphere Ventures.
- AmberSemi, semiconductor technology that improves power management for high-performance computing systems, raised $30 million of Series C venture funding.
Early Stage VC
- Found Energy, rechargeable aluminum fuel power systems that bring renewables to heavy industries, raised $5.55 million of venture funding from Impact Assets.
- Karman Industries, thermal infrastructure that improves efficiency in heat management across energy-intensive industries, raised $20 million of Series A venture funding in a deal led by Riot Ventures.
Seed Round
- Fractal Power, grid-scale distributed energy projects that deploy generation capacity and optimize energy trading in high-demand and volatile grid environments, raised $9.85 million through a combination of Seed-1 and Seed-2 funding.
- OgMentum, fiber optic, photonic, and electronic test and measurement equipment that operates in the United States, raised seed funding from Keyhorse Capital.
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Axel Reijmers
Managing Director
Former Head of Corporate Finance M&A Americas for the Royal Bank of Scotland and ABN AMRO Bank, based in New York. Began his career at ABN AMRO Bank in Japan, and subsequently in The Netherlands in the Corporate Finance department. Was seconded to New York in 2006 to co-establish the ABN AMRO North America Corporate Finance M&A department and grew it by advising medium and large companies on domestic and cross-border mergers, acquisitions, capital raisings and capital structurings. Led the management buyout of RBS Bank Mexico and RBS Broker-Dealer Mexico in 2014 and spearheaded the subsequent growth of the bank as Head of Investment Banking & Corporate Development. During his tenure he supported companies with capital and financing solutions with a focus on companies in the US and Mexican energy infrastructure sector and fintech sector. Holds a master’s degree in economics from Groningen University, The Netherlands. Holds FINRA Series 7 and 63 licenses.
- Email: areijmers@castleplacement.com
- (C) (201) 747-4718
 Axel ReijmersManaging Director |
Please contact me if you have any questions or would like to discuss your capital raise:
Email: areijmers@castleplacement.com
(C) (201) 747-4718
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Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.
