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LGT Group Foundation Boosts Tetra Tech Stake by 6.3%
Investment firm increases holding in industrial products company
Published on Mar. 9, 2026
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LGT Group Foundation, a Swiss-based investment firm, has increased its stake in Tetra Tech, Inc. (NASDAQ:TTEK) by 6.3% during the third quarter, according to a recent SEC filing. The firm now owns 2,978,570 shares of the industrial products company, making it Tetra Tech's 20th largest shareholder.
Why it matters
Tetra Tech is a leading provider of consulting and engineering services, with a focus on water, environment, infrastructure, resource management and energy sectors. The increase in LGT Group Foundation's stake suggests the investment firm sees long-term value in Tetra Tech's business and growth prospects.
The details
According to the 13F filing, LGT Group Foundation purchased an additional 176,302 shares of Tetra Tech during the third quarter, bringing its total holding to 2,978,570 shares. This represents approximately 1.13% of Tetra Tech's outstanding shares, worth $98.9 million based on the stock's closing price at the end of the quarter.
- LGT Group Foundation increased its Tetra Tech stake during the third quarter of 2026.
The players
LGT Group Foundation
A Swiss-based investment firm that manages assets on behalf of the Princely Family of Liechtenstein.
Tetra Tech, Inc.
An American consulting and engineering services company focused on water, environment, infrastructure, resource management and energy sectors.
The takeaway
The increase in LGT Group Foundation's stake in Tetra Tech suggests the investment firm sees long-term growth potential in the company's diversified engineering and consulting services, particularly in areas like water treatment, environmental remediation, and sustainable infrastructure.
