TETRA TECH INC (TTEK) Stock
2 members of Congress disclosed 4 trades in TTEK since 2020: 2 purchases and 2 sales, most recently Susie Lee (sale, Jun 17, 2021). 6 of the hedge funds AlphaScala tracks reported TTEK in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $37.20M.
Which members of Congress traded TETRA TECH INC (TTEK)?
Most recent: Susie Lee (sale, Jun 17, 2021); records start Dec 22, 2020.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Susie Lee D-NV · House | 2021-06-17 | sale | $1k – $15k |
| Sara Jacobs D-CA · House | 2021-04-09 | sale | $15k – $50k |
| Sara Jacobs D-CA · House | 2021-02-19 | purchase | $15k – $50k |
| Susie Lee D-NV · House | 2020-12-22 | purchase | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Nov 5, 2026.
See all TTEK political trades →Which hedge funds own TTEK?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 1.29M | $37.20M | -26% |
| Point72 Steve Cohen | 1.01M | $29.21M | +86% |
| Bridgewater Associates Ray Dalio | 608K | $17.57M | +184% |
| Marshall Wace | 35K | $1.01M | -95% |
| Millennium Management Israel Englander | 11K | $332.2K | -96% |
| D.E. Shaw David Shaw | 8K | $239.4K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →TTEK price chart
Powered by TradingViewWhat does TETRA TECH INC do?
Tetra Tech, Inc. is a leading provider of consulting, engineering, program management, and construction management services focused on water, environment, sustainable infrastructure, resource management, energy, renewable energy, and international development. The company operates through two primary segments: the Government Services Group, which delivers services to U.S. federal, state, local governments, and worldwide development agencies, including water resources analysis, environmental monitoring, data analytics, waste management, and resilient infrastructure planning; and the Commercial and International Services Group, serving U.S. commercial clients and international markets in countries such as Canada, Australia, New Zealand, the United Kingdom, Brazil, and Chile with expertise in infrastructure, environmental engineering, and project management. Tetra Tech addresses complex challenges across the entire water cycle, environmental protection and restoration, and resilient infrastructure design for public and private clients globally. Founded in 1966 and headquartered in Pasadena, California, the firm supports diverse sectors through high-end technical solutions worldwide.