§ COMMERCIAL SERVICES & SUPPLIES
USD · Commercial Services & SuppliesTTEK
TETRA TECH INC
USDSector · Commercial Services & SuppliesBeta · 1.02
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
272 increased/new, 214 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 23.0 | P/B | 4.94 |
| EPS (TTM) | 1.33 | Dividend | 0.87% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 26.8M | 0.0% | +4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12.6M | n/a | n/a |
| VANGUARD CAPITAL MANAGEMENT LLC | 11.7M | n/a | n/a |
| Capital International Investors | 11.4M | 0.1% | +26% |
| Pictet Asset Management Holding SA | 9.6M | 0.3% | −14% |
| State Street | 9.6M | 0.0% | +2% |
◇ AC INTELLIGENCE
Top institutional owners for TTEK as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER39.2% · 452 holders
QUALITY / COMPOUNDER26.2% · 34 holders
PASSIVE / INDEX16.9% · 11 holders
DEALER / BANK11.2% · 42 holders
INCOME / DEFENSIVE2.4% · 32 holders
SYSTEMATIC / QUANT1.8% · 12 holders
DEEP VALUE1.3% · 1 holder
TACTICAL / MACRO1.0% · 4 holders
GROWTH / MOMENTUM0.1% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for TTEK in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention TTEK yet.