Tetra Tech Inc
TTEK- Exchange
- Nasdaq
- Industry
- Services-Engineering Services
- SEC CIK
- 0000831641
No open-market purchases or sales by Tetra Tech Inc insiders were filed in the last 90 days; 555 institutions reported holding it in 13F filings for Q2 2026, worth $7.32B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Tetra Tech Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 510
- +45 vs. Q3 2023
- Shares held
- 47.2M
- +329.8K (+0.7%) vs. Q3 2023
- Total value
- $7.87B
- +$780.5M (+11.0%) vs. Q3 2023
- New holders
- 76
- 147 more added
- Sold out
- 31
- 204 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TTEK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 555 | $7.32B |
| Q1 2026 | 593 | $7.35B |
| Q4 2025 | 611 | $8.10B |
| Q3 2025 | 597 | $8.22B |
| Q2 2025 | 590 | $8.94B |
| Q1 2025 | 568 | $7.18B |
| Q4 2024 | 638 | $9.45B |
| Q3 2024 | 646 | $11.2B |
| Q2 2024 | 600 | $9.88B |
| Q1 2024 | 512 | $8.66B |
| Q4 2023 | 510 | $7.87B |
| Q3 2023 | 471 | $7.09B |
| Q2 2023 | 455 | $7.67B |
| Q1 2023 | 445 | $6.81B |
| Q4 2022 | 470 | $6.68B |
| Q3 2022 | 412 | $5.91B |
| Q2 2022 | 415 | $6.31B |
| Q1 2022 | 404 | $7.86B |
| Q4 2021 | 401 | $7.93B |
| Q3 2021 | 359 | $7.08B |
| Q2 2021 | 366 | $5.68B |
| Q1 2021 | 365 | $6.39B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 867,002 | $144.8M | 0.02% | +27,647+3.3% | Added |
| Invesco Ltd. | 954,666 | $159.4M | 0.04% | +75,028+8.5% | Added |
| Sarasin & Partners LLP | 1,221,928 | $204.0M | 2.24% | +189,049+18.3% | Added |
| FIL Ltd | 1,391,216 | $232.2M | 0.24% | −144,335−9.4% | Reduced |
| State Street Corp | 1,530,756 | $255.5M | 0.01% | +47,665+3.2% | Added |
| Neuberger Berman Group LLC | 1,596,290 | $266.5M | 0.23% | +28,288+1.8% | Added |
| Alliancebernstein L.P. | 2,637,734 | $440.3M | 0.17% | −10,337−0.4% | Reduced |
| Pictet Asset Management Holding SA | 2,789,702 | $465.7M | 0.51% | −166,734−5.6% | Reduced |
| Vanguard Group Inc | 5,153,853 | $860.3M | 0.02% | −33,924−0.7% | Reduced |
| BlackRock Inc. | 5,540,476 | $924.9M | 0.02% | +210,747+4.0% | Added |
| Cooper Creek Partners Management LLC | 0 | $0 | 0.00% | −71,357−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −21,995−100.0% | Sold out |
| JB Capital LLC | 0 | $0 | 0.00% | −21,978−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −21,810−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −20,558−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −6,635−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −5,841−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −4,714−100.0% | Sold out |
| Brasada Capital Management, LP | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Smith, Moore & Co. | 0 | $0 | 0.00% | −4,458−100.0% | Sold out |
| Portman Square Capital LLP | 0 | $0 | 0.00% | −4,270−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −3,336−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −3,071−100.0% | Sold out |
| Cornerstone Wealth Management, LLC | 0 | $0 | 0.00% | −2,057−100.0% | Sold out |
| Centurion Wealth Management LLC | 0 | $0 | 0.00% | −1,488−100.0% | Sold out |
| Unigestion Holding SA | 0 | $0 | 0.00% | −1,478−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −1,405−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,401−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −1,398−100.0% | Sold out |
| First National Advisers, LLC | 0 | $0 | 0.00% | −1,357−100.0% | Sold out |
| GW Henssler & Associates Ltd | 0 | $0 | 0.00% | −1,342−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −870−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −860−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −754−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −453−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Householder Group Estate & Retirement Specialist, LLC | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Northwest Investment Counselors, LLC | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Baker Avenue Asset Management, LP | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Pathstone Family Office, LLC | – | – | – | – | Not filed |
| Advisor Partners II, LLC | – | – | – | – | Not filed |
| Colony Group LLC | – | – | – | – | Not filed |
| Palladiem, LLC | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |
| Column Capital Advisors, LLC | – | – | – | – | Not filed |