Asset Management One Co. Ltd. trimmed its position in Tetra Tech, Inc. by 21.9% during the 3rd quarter, according to its latest Form 13F filing with the SEC. The firm sold 50,432 shares, reducing its total holdings to 179,996 shares, representing 0.07% of the company’s outstanding stock. At the end of the period, this stake was valued at approximately $6.0 million, highlighting a notable shift in allocation by one of Tetra Tech’s long-standing institutional holders.

Tetra Tech secured an indefinite-delivery/indefinite-quantity contract from the U.S. Missile Defense Agency under the SHIELD program, with a ceiling value of $151 billion. The award covers a broad range of engineering and technical services designed to enhance missile defense capabilities, enabling rapid deployment of solutions to the warfighter. This contract builds on Tetra Tech’s expertise in systems integration and program management and positions the company for sizable revenue contributions over the multi-year term.

Tetra Tech announced it will release its Q1 2026 financial results on Wednesday, January 28, 2026, after market close, followed by a conference call and audio-visual webcast on Thursday, January 29, 2026, at 8:00 a.m. Pacific Time. Investors can access the live webcast through a link on the company’s investor relations website, with a replay available thereafter. The event will cover the company’s quarterly performance metrics, forward guidance, and strategic initiatives across water, environmental, and infrastructure markets.