Who owns Tetra Tech Inc (TTEK)?
229 US mutual funds and ETFs from 112 fund families reported a position in TTEK for the quarter ending 2026-06-30. Against their own report a quarter earlier, 83 raised shares, 26 opened a new position, 73 cut and 35 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 4 | 34.1% |
| Ishares Trust | 13 | 22.6% |
| Capitol Series Trust | 1 | 7.7% |
| New Perspective Fund | 1 | 6.6% |
| Smallcap World Fund Inc | 1 | 5.7% |
| American Funds Insurance Series | 2 | 3.7% |
Tracked managers holding TTEK
None of the managers Prior Moves tracks on 13F reports TTEK in its latest filing.
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about TTEK. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
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