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SPAC · Merger completed

Hennessy Capital Investment Corp. VII

Business combination with ONE Nuclear Energy LLC

Hennessy Capital Investment Corp. VII is a blank-check company (SPAC) that raised $175M in its initial public offering on Jan 17, 2025, listing on Nasdaq Global Market. It completed its business combination with ONE Nuclear Energy LLC on Sep 23, 2026; the combined company is ONE Nuclear Energy Inc. (ONEN). Clear Street led the IPO, with Loop Capital. Sidley Austin advised the SPAC and Ellenoff Grossman & Schole advised the underwriters on the IPO.

ONE Nuclear Energy LLC is an independent developer of energy parks powered by natural gas and advanced nuclear small modular reactor technology. It is the target of a proposed business combination with a special purpose acquisition company focused on industrial technology and the energy transition.

Status
Merger completed
IPO date
Jan 17, 2025
IPO size
$175M
IPO exchange
Nasdaq Global Market
Target
ONE Nuclear Energy LLC
Announced
Oct 23, 2025
Closed
Sep 23, 2026
Combined company
ONE Nuclear Energy Inc. (ONEN)
IPO underwriters
Clear Street and Loop Capital
SPAC counsel (IPO)
Sidley Austin and Appleby
Underwriters' counsel (IPO)
Ellenoff Grossman & Schole

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