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, Q2 2025
Institutional positions in Tetra Tech Inc as of Jun 30, 2025. 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
- 590
- +29 vs. Q1 2025
- Shares held
- 249.4M
- +4.09M (+1.7%) vs. Q1 2025
- Total value
- $8.94B
- +$1.76B (+24.6%) vs. Q1 2025
- New holders
- 106
- 210 more added
- Sold out
- 77
- 202 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Future Fund LLC | 26,517 | $953.6K | 0.43% | +26,517 | New |
| Axq Capital, LP | 26,889 | $966.9K | 0.31% | +26,889 | New |
| Davy Global Fund Management Ltd | 27,328 | $982.7K | 0.09% | +7,632+38.7% | Added |
| Public Employees Retirement Association of Colorado | 27,530 | $990.0K | 0.00% | −1,620−5.6% | Reduced |
| New York Life Investment Management LLC | 28,013 | $1.01M | 0.01% | −607−2.1% | Reduced |
| Martingale Asset Management L P | 28,320 | $1.02M | 0.02% | −23,303−45.1% | Reduced |
| MML Investors Services, LLC | 28,512 | $1.02M | 0.00% | −957−3.2% | Reduced |
| Baird Financial Group, Inc. | 28,544 | $1.03M | 0.00% | +893+3.2% | Added |
| D.A. Davidson & Co. | 28,665 | $1.03M | 0.01% | −4,995−14.8% | Reduced |
| Fox Run Management, L.L.C. | 29,024 | $1.04M | 0.17% | +29,024 | New |
| D. E. Shaw & Co., Inc. | 29,375 | $1.06M | 0.00% | −637,317−95.6% | Reduced |
| State of Alaska, Department of Revenue | 29,575 | $1.06M | 0.01% | −1,835−5.8% | Reduced |
| Atria Investments LLC | 29,597 | $1.06M | 0.01% | +21,538+267.3% | Added |
| Ethic Inc. | 30,030 | $1.07M | 0.02% | +1,285+4.5% | Added |
| Nicola Wealth Management Ltd. | 30,000 | $1.08M | 0.10% | −32,000−51.6% | Reduced |
| Prudential Financial Inc | 27,735 | $1.10M | 0.00% | +5,265+23.4% | Added |
| Legacy Wealth Asset Management, LLC | 30,713 | $1.10M | 0.28% | +391+1.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 30,738 | $1.10M | 0.00% | +12,242+66.2% | Added |
| Atom Investors LP | 31,015 | $1.12M | 0.10% | −93,685−75.1% | Reduced |
| Triglav Skladi, D.O.O. | 32,090 | $1.15M | 0.08% | +8,765+37.6% | Added |
| Vancity Investment Management Ltd | 32,677 | $1.18M | 0.15% | +3,068+10.4% | Added |
| Tredje AP-fonden | 32,680 | $1.18M | 0.01% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 32,836 | $1.18M | 0.15% | +32,836 | New |
| Whittier Trust Co | 32,915 | $1.18M | 0.01% | 00.0% | Unchanged |
| Oak Thistle LLC | 32,968 | $1.19M | 0.17% | +13,540+69.7% | Added |
| Bayesian Capital Management, LP | 33,100 | $1.19M | 0.19% | +33,100 | New |
| JustInvest LLC | 33,304 | $1.20M | 0.01% | +8,885+36.4% | Added |
| Hunter Associates Investment Management LLC | 33,375 | $1.20M | 0.18% | +1,399+4.4% | Added |
| O'Shaughnessy Asset Management, LLC | 33,367 | $1.20M | 0.01% | +6,115+22.4% | Added |
| Radnor Capital Management, LLC | 33,920 | $1.22M | 0.19% | +26,435+353.2% | Added |
| Franklin Resources Inc | 34,617 | $1.24M | 0.00% | −861−2.4% | Reduced |
| Headlands Technologies LLC | 36,106 | $1.30M | 0.16% | +7,361+25.6% | Added |
| Bleakley Financial Group, LLC | 36,344 | $1.31M | 0.03% | −4,686−11.4% | Reduced |
| Intech Investment Management LLC | 36,535 | $1.31M | 0.01% | −61,053−62.6% | Reduced |
| Bridgefront Capital, LLC | 37,145 | $1.34M | 0.35% | +37,145 | New |
| Brevan Howard Capital Management LP | 37,271 | $1.34M | 0.01% | −36,661−49.6% | Reduced |
| Edmond de Rothschild Holding S.A. | 38,047 | $1.37M | 0.02% | +29,788+360.7% | Added |
| Bailard, Inc. | 39,000 | $1.40M | 0.03% | −355−0.9% | Reduced |
| Formula Growth Ltd | 39,050 | $1.40M | 0.53% | 00.0% | Unchanged |
| Empowered Funds, LLC | 39,240 | $1.41M | 0.02% | +2,903+8.0% | Added |
| Tributary Capital Management, LLC | 39,957 | $1.44M | 0.13% | +1,534+4.0% | Added |
| M&T Bank Corp | 40,178 | $1.45M | 0.00% | +966+2.5% | Added |
| Xponance, Inc. | 41,286 | $1.48M | 0.01% | −2,391−5.5% | Reduced |
| Summit Trail Advisors, LLC | 42,158 | $1.52M | 0.03% | +22,001+109.1% | Added |
| Bank of Montreal | 43,037 | $1.55M | 0.00% | −108,964−71.7% | Reduced |
| Victory Capital Management Inc | 44,014 | $1.58M | 0.00% | −31,116−41.4% | Reduced |
| Mariner, LLC | 44,071 | $1.58M | 0.00% | +8,019+22.2% | Added |
| Voya Investment Management LLC | 46,528 | $1.67M | 0.00% | −9,469−16.9% | Reduced |
| Nordea Investment Management AB | 47,558 | $1.70M | 0.00% | +1,384+3.0% | Added |
| VestGen Advisors, LLC | 47,776 | $1.72M | 0.07% | −6,181−11.5% | Reduced |
| Terra Alpha Investments LLC | 48,420 | $1.74M | 1.81% | −744−1.5% | Reduced |
| Captrust Financial Advisors | 48,841 | $1.76M | 0.00% | −16,594−25.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 49,265 | $1.77M | 0.00% | +20,000+68.3% | Added |
| Harbor Capital Advisors, Inc. | 49,450 | $1.78M | 0.07% | +1,032+2.1% | Added |
| Brinker Capital Investments, LLC | 49,747 | $1.79M | 0.02% | −1,979−3.8% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 50,904 | $1.83M | 0.01% | +5,072+11.1% | Added |
| Cetera Investment Advisers | 52,534 | $1.89M | 0.00% | +4,139+8.6% | Added |
| XTX Topco Ltd | 52,866 | $1.90M | 0.08% | +39,811+304.9% | Added |
| Oregon Public Employees Retirement Fund | 53,625 | $1.93M | 0.03% | −800−1.5% | Reduced |
| KLP Kapitalforvaltning AS | 53,800 | $1.93M | 0.01% | −3,400−5.9% | Reduced |
| New Mexico Educational Retirement Board | 54,500 | $1.96M | 0.06% | 00.0% | Unchanged |
| Cerity Partners LLC | 55,150 | $1.98M | 0.00% | +71+0.1% | Added |
| Natixis Advisors, L.P. | 56,687 | $2.04M | 0.00% | +13,945+32.6% | Added |
| WCM Investment Management, LLC | 57,343 | $2.04M | 0.00% | +7,617+15.3% | Added |
| WBI Investments | 56,956 | $2.05M | 0.53% | +47,769+520.0% | Added |
| New Age Alpha Advisors, LLC | 57,548 | $2.07M | 0.09% | +3,172+5.8% | Added |
| Northwestern Mutual Investment Management Company, LLC | 58,833 | $2.12M | 0.03% | −763−1.3% | Reduced |
| Man Group plc | 59,396 | $2.14M | 0.00% | −447,766−88.3% | Reduced |
| Susquehanna International Group, LLP | 60,813 | $2.19M | 0.00% | +60,813 | New |
| Bristlecone Advisors, LLC | 62,413 | $2.24M | 0.19% | −6,845−9.9% | Reduced |
| Thrivent Financial for Lutherans | 62,514 | $2.25M | 0.00% | −825−1.3% | Reduced |
| Argent Capital Management LLC | 62,521 | $2.25M | 0.06% | +42,741+216.1% | Added |
| State of Michigan Retirement System | 63,340 | $2.28M | 0.01% | −800−1.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 64,569 | $2.32M | 0.02% | +13,585+26.6% | Added |
| Sciencast Management LP | 66,194 | $2.38M | 0.49% | +66,194 | New |
| Handelsbanken Fonder AB | 67,645 | $2.43M | 0.01% | −700−1.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 67,702 | $2.43M | 0.01% | +3,630+5.7% | Added |
| Teacher Retirement System of Texas | 68,544 | $2.46M | 0.01% | −147,096−68.2% | Reduced |
| Northwest & Ethical Investments L.P. | 69,945 | $2.52M | 0.06% | +69,945 | New |
| Holocene Advisors, LP | 70,761 | $2.54M | 0.01% | −71,382−50.2% | Reduced |
| Exchange Traded Concepts, LLC | 72,297 | $2.60M | 0.03% | −884−1.2% | Reduced |
| Andra AP-fonden | 72,408 | $2.60M | 0.04% | +65,166+899.8% | Added |
| First National Bank of Omaha | 72,663 | $2.61M | 0.17% | +1,873+2.6% | Added |
| Ameritas Investment Partners, Inc. | 73,662 | $2.65M | 0.08% | −1,576−2.1% | Reduced |
| Louisiana State Employees Retirement System | 74,100 | $2.66M | 0.05% | −1,000−1.3% | Reduced |
| Arizona State Retirement System | 74,275 | $2.67M | 0.02% | −2,581−3.4% | Reduced |
| Brasada Capital Management, LP | 72,989 | $2.67M | 0.45% | +72,989 | New |
| Catalyst Capital Advisors LLC | 75,660 | $2.72M | 0.05% | +2,700+3.7% | Added |
| Ensign Peak Advisors, Inc | 76,595 | $2.75M | 0.00% | −2,900−3.6% | Reduced |
| Commerce Bank | 76,924 | $2.77M | 0.02% | −16,882−18.0% | Reduced |
| Engineers Gate Manager LP | 77,473 | $2.79M | 0.03% | −234,843−75.2% | Reduced |
| Relyea Zuckerberg Hanson LLC | 77,632 | $2.79M | 0.33% | −330.0% | Reduced |
| Staley Capital Advisers Inc | 78,011 | $2.81M | 0.12% | +835+1.1% | Added |
| D'Orazio & Associates, Inc. | 79,274 | $2.85M | 0.40% | −1,236−1.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 79,425 | $2.86M | 0.02% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 79,940 | $2.87M | 0.11% | 00.0% | Unchanged |
| SFE Investment Counsel | 81,856 | $2.94M | 0.52% | −2,585−3.1% | Reduced |
| Agf Management Ltd | 84,222 | $3.03M | 0.01% | −5,680−6.3% | Reduced |
| Public Employees Retirement System of Ohio | 85,136 | $3.06M | 0.01% | +897+1.1% | Added |
| State of New Jersey Common Pension Fund D | 87,129 | $3.13M | 0.01% | −5,988−6.4% | Reduced |