NuScale Power stock whipsaws after BlackRock filing as investors scan fresh SMR economics study
21 January 2026
1 min read

NuScale Power stock whipsaws after BlackRock filing as investors scan fresh SMR economics study

New York, January 21, 2026, 12:46 ET — Regular session

NuScale Power shares fell 2.5% to $18.52 on Wednesday, after earlier climbing as high as $21.08. The nuclear technology developer saw a sharp reversal on heavy volume during the session.

BlackRock revealed it owns 9.73 million NuScale Class A shares—about 3.4% of the company—in an amended Schedule 13G filing dated Jan. 21. The filing noted the stake is held passively, with ownership figures as of Dec. 31. (SEC)

On Tuesday, World Nuclear News spotlighted a study by NuScale and Oak Ridge National Laboratory that examined the economics of matching NuScale’s reactor modules to the steam and power demands of a U.S. chemical plant. The research, backed by a U.S. Department of Energy program, found promising results. José Reyes, NuScale’s co-founder and Chief Technology Officer, said the analysis demonstrated that their modular design’s ability to provide “high-temperature steam” offers industrial clients “unparalleled flexibility.” (World Nuclear News)

Small modular reactors, known as SMRs, are compact nuclear units crafted for factory production and on-site assembly. Developers argue they offer a route to reliable, low-carbon electricity and industrial heat—without the lengthy construction timelines that large plants demand.

NuScale is focusing on industrial applications like process heat and steam, responding to investor demands for clearer short-term market signals in the SMR space. With few firm customer contracts in place, traders often treat studies and regulatory filings as stand-ins for concrete news.

Shares in broader nuclear-related companies moved on Wednesday following Bank of America’s upgrade of Oklo. Analyst Dimple Gosai noted investors have been hunting for “tangible evidence” that advanced nuclear is shifting “from concept to execution.” (Nasdaq)

Keep in mind, a 13G is just a disclosure, not a pledge to hold onto shares. It usually shows up after the actual buying is done. The work on the chemical plant, though thorough, doesn’t equal a signed contract.

The downside is well-known: delays stretch timelines, expenses climb, or buyers hesitate over financing and permits. Even a whisper of project setbacks can send these stocks tumbling quickly.

Traders are set to track updates on follow-on institutional ownership, any news on customers or partners linked to industrial deployments, and remarks on whether companies can convert studies into viable projects.

NuScale is set to appear next at the UBS Global Energy & Utilities Conference in London on March 17. (NuScale Power)

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