Holtec Nuclear has suspended plans for its U.S. initial public offering, citing market conditions in a decision that highlights the challenges facing nuclear-energy companies seeking access to public markets.

Holtec Puts IPO on Hold

The Camden, New Jersey-based nuclear technology company had planned to raise up to $900 million through an IPO of 50 million shares priced between $15 and $18 each.

The offering had been expected to price on Thursday, but Holtec said it would continue evaluating the timing of the listing without providing a new date.

Nuclear IPO Market Faces Pressure

Holtec's decision comes as other publicly traded nuclear companies have experienced pressure in the stock market.

Standard Nuclear, which went public in July after reducing the size of its IPO, was trading below its offering price, while X-Energy has also traded below its April IPO price. The developments have added uncertainty for companies seeking to raise capital through public markets.

Holtec was positioned to be one of the major new listings during the fall IPO period, traditionally an active period for companies entering U.S. stock markets.

Focus on Small Modular Reactors

Founded in 1986, Holtec operates across areas including nuclear reactor components, spent-fuel storage and nuclear plant decommissioning.

The company is also developing small modular reactors (SMRs), with its first two planned units expected to be deployed at its Palisades site in Michigan.

The IPO suspension leaves investors watching whether Holtec returns to the market later this year or waits for more favorable conditions.

For the broader U.S. business sector, the development highlights the continuing challenge of balancing large-scale energy investment, public-market financing and investor demand.