NANO Nuclear Energy Inc. (NASDAQ: NNE)

Overview

NANO Nuclear Energy Inc. (NASDAQ: NNE) is a nuclear technology company headquartered in New York, NY[2][11]. The company develops microreactor technologies, nuclear fuel fabrication and transportation services, and space nuclear applications[1]. NANO Nuclear describes itself as seeking to become a commercially focused, diversified, and vertically integrated company across five business lines: portable and stationary microreactor technologies, nuclear fuel fabrication, nuclear fuel transportation, nuclear applications for space, and nuclear industry consulting services[3]. The company develops three named reactor systems: the KRONOS MMR Energy System, a stationary high-temperature gas-cooled reactor; ZEUS, a solid core battery reactor; and LOKI MMR, a space-capable portable microreactor[4]. NANO Nuclear is listed on NASDAQ under ticker NNE and states it is the first nuclear microreactor company to be listed publicly in the U.S.[5] The company operates subsidiaries including Advanced Fuel Transportation Inc., HALEU Energy Fuel Inc., NANO Nuclear Space Inc., and STS Nuclear[13].

The company's own site places it in New York: Phone number (212) 634-9206 with 212 area code is a New York City number, and email domain nanonuclearenergy.com is listed as contact inform. [2]

NANO Nuclear develops three named reactors: the KRONOS MMR Energy System (a stationary high-temperature gas-cooled reactor), ZEUS (a solid core battery reactor) and LOKI MMR (a space-capable portable microreactor). [4]

NANO Nuclear Energy lists its location as New York, NY with contact number (212) 634-9206 and email info@nanonuclearenergy.com. [11]

Business address: 10 Times Sq, New York, New York, 10018. [14]

Funding history

NANO Nuclear Energy is listed on NASDAQ under the ticker NNE and states it "believes it is the first nuclear microreactor company to be listed publicly in the U.S." [5]

Growth & traction

On May 20, 2026 NANO Nuclear announced that the U.S. Nuclear Regulatory Commission had formally accepted for review the KRONOS MMR construction permit application for the site at the University of Illinois Urbana-Champaign. [6]

On May 26, 2026 NANO Nuclear announced it had acquired Secured Transportation Services LLC, adding more than 20 years of specialized nuclear transportation experience. [9]

NANO Nuclear was founded by Jay Jiang Yu, who serves as Founder, Executive Chairman and President, with James Walker as CEO and Board Member, and Professor Massimiliano Fratoni of UC Berkeley as Senior Director and Head of Reactor Design. [12]

Partnerships

On May 6, 2026 NANO Nuclear signed a strategic memorandum of understanding with Supermicro to power next-generation AI data centers with advanced nuclear energy. [7]

On August 14, 2026 NANO Nuclear and Quadrant Nuclear Industries signed a memorandum of understanding to explore a long-term domestic HALEU fuel supply arrangement. [8]

On April 9, 2026 NANO Nuclear was granted a DOE GAIN voucher award to work with Oak Ridge National Laboratory on a validated framework for the KRONOS MMR. [10]