SEC clears General Fusion for shareholder vote on Nasdaq listing

LM26 operates at 50% of commercial-scale diameter, making it the largest MTF demonstration machine of its kind to have achieved plasma compression

(Image courtesy of General Fusion)

The SEC’s declaration of effectiveness for General Fusion’s joint registration statement removes a significant regulatory hurdle on the company’s path to what it expects to become the first publicly traded pure-play fusion energy company, if the combination closes. That milestone brings the July 6 shareholder vote into sharper focus as the next binding decision point. For investors and supply chain partners tracking the company’s Magnetised Target Fusion programme, the capital structure behind the listing matters as much as the listing itself.

SEC effectiveness sets the July 6 vote

The SEC declared General Fusion’s Form F-4 registration statement effective on June 12, 2026. Spring Valley Acquisition Corp. III (NASDAQ: SVAC) has set the same date as the record date, with the extraordinary general meeting of shareholders scheduled for July 6, 2026, at the offices of Greenberg Traurig in New York. If shareholders from both sides approve the proposed business combination, the transaction is expected to close shortly thereafter, subject to customary closing conditions.

The deal structure involves SVAC redomiciling from the Cayman Islands to British Columbia, amalgamating a newly formed subsidiary with General Fusion, and renaming the combined entity General Fusion Group Ltd. Shares and warrants are expected to trade on Nasdaq under the ticker symbols GFUZ and GFUZW respectively, pending listing approval. The parties entered into the Business Combination Agreement on January 21, 2026.

PIPE capital funds LM26 independent of redemptions

The transaction implies a pro-forma equity value of approximately US$1 billion, combining approximately US$105 million in committed private investment in public equity from institutional investors and approximately US$230 million held in SVAC’s trust, assuming no redemptions. The companies describe the PIPE as committed capital that becomes available upon close, providing a funded baseline for the LM26 programme even if SVAC shareholders redeem trust shares, reducing the amount of trust capital that transfers to the combined company.

That distinction matters for the LM26 funding picture. General Fusion has raised more than US$400 million to date from venture capital, institutional investors, and government grants. The company’s stated intent is to use the listing proceeds to advance LM26 toward key fusion milestones.

LM26 technical milestones are the investment case

LM26 is the company’s large-scale MTF demonstration machine, operating at its Vancouver facility at 50% of commercial-scale diameter using a lithium liner for plasma confinement. The machine achieved first plasma in February 2025 and first plasma compression in April 2025. The technical roadmap targets plasma heating to 1 keV (10 million degrees Celsius), then 10 keV (100 million degrees Celsius), and ultimately the Lawson criterion, the combination of fusion parameters required for net fusion energy in the plasma. The company has publicly targeted 100% Lawson by end of 2028 and a first-of-a-kind plant by 2035.

General Fusion is one of four companies worldwide to have achieved and published peer-reviewed fusion results. The programme is supported by more than 35 peer-reviewed publications and 210 issued and pending patents accumulated over two decades of research and more than 200,000 plasma experiments. Two recent publications cover a temperature diagnostic method for LM26 and Department of Energy-funded research on the company’s fuel-cycle design using its liquid metal wall.

The sponsor track record and the SPAC precedent

Spring Valley’s involvement carries structural context for investors weighing the SPAC route. The Spring Valley vehicle family has raised approximately $920 million across four IPOs. Its first vehicle took NuScale Power Corporation public; its second completed a combination with Eagle Nuclear Energy Corp. The NuScale de-SPAC illustrated the capital-market pressures that advanced-energy listings can face post-close, a dynamic that General Fusion’s PIPE structure is designed to address.

If the combination closes as expected, procurement and supply chain professionals tracking the MTF sector will for the first time be able to assess General Fusion’s funded technical progress through public quarterly disclosures rather than the selective visibility of private capital rounds.

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