TETRA TECH INC (TTEK) Institutional Ownership and Insiders Activity
TETRA TECH INC (TTEK) is widely held by institutional investors, with 561 firms reporting positions valued at approximately $7.51B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $828.43M in TTEK holdings in its latest filing.
Institutional Holders
561
Total Reported Value
$7.51B
Largest Holder
Blackrock, Inc.
Largest Position
$828.43M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
56
Funds Exiting Positions
104
Top Institutional Owners
View allInvestorReported Balance
- Blackrock, Inc.$828.43M
- Vanguard Portfolio Management Llc$360.20M
- Vanguard Capital Management Llc$338.76M
- Capital International Investors$336.60M
- State Street Corp$282.01M
Related TTEK Institutional Insights:
- TTEK 13F Institutional Holders
- TTEK Superinvestors
- TTEK Institutional Ownership Changes
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- TTEK Insider Trading & SEC Form 4 Activity
- TTEK Articles
- Top Institutional Investor Stock Rankings