TETRA TECH INC (TTEK) Stock Institutional Trading Activity
TETRA TECH INC (TTEK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, Polen Capital Management, Third Avenue Management, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- TETRA TECH INC (TTEK) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2015 | Hancock Classic Value | Sell | -122,063 | 1,333,104 | $32,021 |
| Q4 2014 | Third Avenue Management | Sell | -829,586 | 408,665 | $10,911 |
| Q4 2014 | Hancock Classic Value | Sell | -130,373 | 1,455,167 | $38,853 |
| Q3 2014 | Hancock Classic Value | Buy | 143,214 | 1,585,540 | $39,607 |
| Q2 2014 | Third Avenue Management | Sell | -182,821 | 1,238,251 | $34,052 |
| Q2 2014 | Hancock Classic Value | Buy | 133,869 | 1,442,326 | $39,664 |
| Q1 2014 | Third Avenue Management | Buy | 140,211 | 1,421,072 | $42,050 |
| Q1 2014 | Hancock Classic Value | Sell | -159,137 | 1,308,457 | $38,717 |
| Q4 2013 | Hancock Classic Value | Buy | 876,930 | 1,467,594 | $41,063 |
| Q4 2013 | Renaissance Technologies LLC | Sell | -38,595 | 67,725 | $1,895 |
| Q3 2013 | Third Avenue Management | Buy | 353,663 | 1,280,861 | $33,161 |
| Q3 2013 | Hancock Classic Value | Buy | 590,664 | 590,664 | $15,292 |
| Q3 2013 | Renaissance Technologies LLC | Buy | 106,320 | 106,320 | $2,753 |
| Q2 2013 | Third Avenue Management | Buy | 927,198 | 927,198 | $21,798 |
Frequently asked questions about TTEK activity
Which institutional owners are buying TTEK?
Institutional owners buying TTEK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in TTEK activity?
"Buy" means an investor increased their reported position in TTEK compared to the prior reporting period. This reflects growing exposure to TETRA TECH INC (TTEK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in TTEK increasing?
Institutional interest in TTEK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.