William Blair analyst Tim Mulrooney has reiterated their bullish stance on TTEK stock, giving a Buy rating today.
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Tim Mulrooney has given his Buy rating due to a combination of factors including Tetra Tech’s strong fourth-quarter performance, which exceeded expectations in terms of net revenue, EBITDA, and EPS. The company’s state-and-local and international segments were key contributors to this outperformance, demonstrating robust growth.
Additionally, despite a flat backlog, the momentum in Tetra Tech’s core businesses and the positive trends in federal and commercial sectors support the company’s 2026 outlook of 8% core net revenue growth. Mulrooney views this target as achievable, reinforcing his confidence in the company’s long-term growth potential and justifying the Buy rating.
According to TipRanks, Mulrooney is a 4-star analyst with an average return of 9.2% and a 56.32% success rate. Mulrooney covers the Industrials sector, focusing on stocks such as EMCOR Group, WillScot Mobile Mini Holdings, and Comfort Systems.

