Stock Markets September 11, 2026 11:46 AM

Vicor Accelerates U.S. Fab Build-Out with Two New New Hampshire Sites

Company buys Merrimack and Hooksett parcels to expand chip fabrication capacity for power delivery components used in advanced AI systems

By Avery Klein
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VICR

Shares of Vicor Corporation rose after the company announced purchases of two New Hampshire properties to construct ChiP Fab-2 and Fab-3. The sites — a 334,000-square-foot building on 66 acres in Merrimack and 54 acres in Hooksett — will expand the company’s footprint to nearly one million square feet, aiming to serve OEMs and hyperscalers with U.S.-sourced power delivery solutions for advanced AI applications.

Vicor Accelerates U.S. Fab Build-Out with Two New New Hampshire Sites
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Key Points

  • Vicor purchased a 334,000 sq ft building on 66 acres in Merrimack, New Hampshire, plus 54 acres in Hooksett to build ChiP Fab-2 and Fab-3.
  • The two new fabs will total nearly one million square feet of footprint, expanding capacity beyond existing ChiP Fab-1 (320,000 sq ft on 16 acres in Andover, Massachusetts), where utilization is approaching capacity.
  • The expansion targets OEMs and hyperscalers that require U.S.-sourced power delivery solutions for advanced AI applications and to provide what Vicor calls "Freedom to Operate."

Vicor Corporation's stock jumped 10.6% after the company revealed plans to acquire two New Hampshire properties to house additional chip fabrication sites. The purchases comprise a 334,000-square-foot building on 66 acres in Merrimack and a separate 54-acre parcel in Hooksett, New Hampshire. Vicor said the two locations will be developed as ChiP Fab-2 and ChiP Fab-3, with a combined footprint approaching one million square feet.


Those facilities will add capacity beyond the company's existing ChiP Fab-1, which was built out to 320,000 square feet on 16 acres in Andover, Massachusetts. Vicor reported that Fab-1 utilization is nearing capacity, prompting the expansion to the two New Hampshire sites.

According to the company, Fab-2 is expected to have a one-year lead time to initial deployment. Vicor framed the expansion as intended to support original equipment manufacturers and hyperscalers that require power delivery solutions tailored for advanced artificial intelligence applications.


Vicor also said the build-out is intended to address supply chain preferences among customers seeking U.S. sourcing and what the company described as "Freedom to Operate." In that context, Vicor referenced that certain computing systems from leading manufacturers were barred from importation on the grounds that they used power suppliers the company characterized as infringing.

On its business model, Vicor designs, manufactures and markets modular power components as well as complete power systems. The company is headquartered in Andover, Massachusetts, and it licenses patents that cover high-density power components and power distribution architectures.


The announcement lays out exact property details and the intended use cases for the new fabs but does not disclose additional timing milestones, capital expenditure amounts or projected output metrics beyond the stated one-year lead time for Fab-2 to initial deployment. The company also did not provide updated utilization figures for the planned Fab-2 and Fab-3 once brought online.

Investors reacted to the property acquisitions and the stated rationale for increasing domestic capacity with a notable intraday share-price move following the announcement.

Risks

  • The company did not disclose capital expenditure amounts or detailed timelines beyond a one-year lead time to initial deployment for Fab-2, leaving financing and schedule uncertainty for Fab-3 - impacts the semiconductor manufacturing sector.
  • Fab-1 utilization is approaching capacity; however, the announcement does not provide projected output or post-expansion utilization, introducing uncertainty about when expanded capacity will materially alleviate constraints - impacts suppliers and customers in AI infrastructure.
  • Vicor referenced import bans tied to allegedly infringing power suppliers, but details on regulatory or legal resolution were not provided, creating potential regulatory and supply-chain risk for customers seeking U.S.-sourced components - impacts OEMs and hyperscalers.

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