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Willdan completes acquisition of Mantis Innovation

PUBLIC · WLDNOct 30, 2026

Acquiring Company

Willdan

Acquired Company

Mantis Innovation

AnaheimHoustonInformation TechnologyEnergyRenewable EnergyConsultingGovernmentConstructionFacilities Services

Description

Willdan Group, Inc. has completed its previously announced acquisition of Mantis Intermediate Holdings, LLC, doing business as Mantis Innovation, for $285 million in cash, subject to customary holdbacks and adjustments. The transaction closed after the Hart-Scott-Rodino waiting period expired and customary closing conditions were satisfied.

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Company Information

Company

Willdan

Location

Anaheim, California, United States

About

Willdan is a nationwide provider of professional, technical, and consulting services to utilities, government agencies, and private industry. Willdan’s service offerings span a broad set of complementary disciplines that include electric grid solutions, energy efficiency and sustainability, energy policy planning and advisory, engineering and planning, and municipal financial consulting. For additional information, visit Willdan's website at www.willdan.com.

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Frequently asked

Who acquired Mantis Innovation?

Mantis Innovation was acquired by Willdan, based in Anaheim. The deal was reported on October 30, 2026. Willdan is a nationwide provider of professional, technical, and consulting services to utilities, government agencies, and private industry. Willdan is publicly traded (WLDN) and operates in Information Technology.

When did Willdan acquire Mantis Innovation?

Willdan's acquisition of Mantis Innovation was reported on October 30, 2026. Willdan Group, Inc. has completed its previously announced acquisition of Mantis Intermediate Holdings, LLC, doing business as Mantis Innovation, for $285 million in cash, subject to customary holdbacks and adjustments. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Mantis Innovation do?

Mantis Innovation is the premier provider of smart, sustainable solutions that deliver better building performance, improved energy efficiency, and optimized budgeting through managed facility services and turnkey program management. It is privately held, operating in Construction, and is based in Houston.

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