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 |
|---|---|---|---|---|---|
| Ensign Peak Advisors, Inc | 76,595 | $2.75M | 0.00% | −2,900−3.6% | Reduced |
| Catalyst Capital Advisors LLC | 75,660 | $2.72M | 0.05% | +2,700+3.7% | Added |
| Brasada Capital Management, LP | 72,989 | $2.67M | 0.45% | +72,989 | New |
| Arizona State Retirement System | 74,275 | $2.67M | 0.02% | −2,581−3.4% | Reduced |
| Louisiana State Employees Retirement System | 74,100 | $2.66M | 0.05% | −1,000−1.3% | Reduced |
| Ameritas Investment Partners, Inc. | 73,662 | $2.65M | 0.08% | −1,576−2.1% | Reduced |
| First National Bank of Omaha | 72,663 | $2.61M | 0.17% | +1,873+2.6% | Added |
| Andra AP-fonden | 72,408 | $2.60M | 0.04% | +65,166+899.8% | Added |
| Exchange Traded Concepts, LLC | 72,297 | $2.60M | 0.03% | −884−1.2% | Reduced |
| Holocene Advisors, LP | 70,761 | $2.54M | 0.01% | −71,382−50.2% | Reduced |
| Northwest & Ethical Investments L.P. | 69,945 | $2.52M | 0.06% | +69,945 | New |
| Teacher Retirement System of Texas | 68,544 | $2.46M | 0.01% | −147,096−68.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 67,702 | $2.43M | 0.01% | +3,630+5.7% | Added |
| Handelsbanken Fonder AB | 67,645 | $2.43M | 0.01% | −700−1.0% | Reduced |
| Sciencast Management LP | 66,194 | $2.38M | 0.49% | +66,194 | New |
| Schonfeld Strategic Advisors LLC | 64,569 | $2.32M | 0.02% | +13,585+26.6% | Added |
| State of Michigan Retirement System | 63,340 | $2.28M | 0.01% | −800−1.2% | Reduced |
| Argent Capital Management LLC | 62,521 | $2.25M | 0.06% | +42,741+216.1% | Added |
| Thrivent Financial for Lutherans | 62,514 | $2.25M | 0.00% | −825−1.3% | Reduced |
| Bristlecone Advisors, LLC | 62,413 | $2.24M | 0.19% | −6,845−9.9% | Reduced |
| Susquehanna International Group, LLP | 60,813 | $2.19M | 0.00% | +60,813 | New |
| Man Group plc | 59,396 | $2.14M | 0.00% | −447,766−88.3% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 58,833 | $2.12M | 0.03% | −763−1.3% | Reduced |
| New Age Alpha Advisors, LLC | 57,548 | $2.07M | 0.09% | +3,172+5.8% | Added |
| WBI Investments | 56,956 | $2.05M | 0.53% | +47,769+520.0% | Added |
| WCM Investment Management, LLC | 57,343 | $2.04M | 0.00% | +7,617+15.3% | Added |
| Natixis Advisors, L.P. | 56,687 | $2.04M | 0.00% | +13,945+32.6% | Added |
| Cerity Partners LLC | 55,150 | $1.98M | 0.00% | +71+0.1% | Added |
| New Mexico Educational Retirement Board | 54,500 | $1.96M | 0.06% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 53,800 | $1.93M | 0.01% | −3,400−5.9% | Reduced |
| Oregon Public Employees Retirement Fund | 53,625 | $1.93M | 0.03% | −800−1.5% | Reduced |
| XTX Topco Ltd | 52,866 | $1.90M | 0.08% | +39,811+304.9% | Added |
| Cetera Investment Advisers | 52,534 | $1.89M | 0.00% | +4,139+8.6% | Added |
| Envestnet Portfolio Solutions, Inc. | 50,904 | $1.83M | 0.01% | +5,072+11.1% | Added |
| Brinker Capital Investments, LLC | 49,747 | $1.79M | 0.02% | −1,979−3.8% | Reduced |
| Harbor Capital Advisors, Inc. | 49,450 | $1.78M | 0.07% | +1,032+2.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 49,265 | $1.77M | 0.00% | +20,000+68.3% | Added |
| Captrust Financial Advisors | 48,841 | $1.76M | 0.00% | −16,594−25.4% | Reduced |
| Terra Alpha Investments LLC | 48,420 | $1.74M | 1.81% | −744−1.5% | Reduced |
| VestGen Advisors, LLC | 47,776 | $1.72M | 0.07% | −6,181−11.5% | Reduced |
| Nordea Investment Management AB | 47,558 | $1.70M | 0.00% | +1,384+3.0% | Added |
| Voya Investment Management LLC | 46,528 | $1.67M | 0.00% | −9,469−16.9% | Reduced |
| Mariner, LLC | 44,071 | $1.58M | 0.00% | +8,019+22.2% | Added |
| Victory Capital Management Inc | 44,014 | $1.58M | 0.00% | −31,116−41.4% | Reduced |
| Bank of Montreal | 43,037 | $1.55M | 0.00% | −108,964−71.7% | Reduced |
| Summit Trail Advisors, LLC | 42,158 | $1.52M | 0.03% | +22,001+109.1% | Added |
| Xponance, Inc. | 41,286 | $1.48M | 0.01% | −2,391−5.5% | Reduced |
| M&T Bank Corp | 40,178 | $1.45M | 0.00% | +966+2.5% | Added |
| Tributary Capital Management, LLC | 39,957 | $1.44M | 0.13% | +1,534+4.0% | Added |
| Empowered Funds, LLC | 39,240 | $1.41M | 0.02% | +2,903+8.0% | Added |
| Formula Growth Ltd | 39,050 | $1.40M | 0.53% | 00.0% | Unchanged |
| Bailard, Inc. | 39,000 | $1.40M | 0.03% | −355−0.9% | Reduced |
| Edmond de Rothschild Holding S.A. | 38,047 | $1.37M | 0.02% | +29,788+360.7% | Added |
| Brevan Howard Capital Management LP | 37,271 | $1.34M | 0.01% | −36,661−49.6% | Reduced |
| Bridgefront Capital, LLC | 37,145 | $1.34M | 0.35% | +37,145 | New |
| Intech Investment Management LLC | 36,535 | $1.31M | 0.01% | −61,053−62.6% | Reduced |
| Bleakley Financial Group, LLC | 36,344 | $1.31M | 0.03% | −4,686−11.4% | Reduced |
| Headlands Technologies LLC | 36,106 | $1.30M | 0.16% | +7,361+25.6% | Added |
| Franklin Resources Inc | 34,617 | $1.24M | 0.00% | −861−2.4% | Reduced |
| Radnor Capital Management, LLC | 33,920 | $1.22M | 0.19% | +26,435+353.2% | Added |
| O'Shaughnessy Asset Management, LLC | 33,367 | $1.20M | 0.01% | +6,115+22.4% | Added |
| Hunter Associates Investment Management LLC | 33,375 | $1.20M | 0.18% | +1,399+4.4% | Added |
| JustInvest LLC | 33,304 | $1.20M | 0.01% | +8,885+36.4% | Added |
| Bayesian Capital Management, LP | 33,100 | $1.19M | 0.19% | +33,100 | New |
| Oak Thistle LLC | 32,968 | $1.19M | 0.17% | +13,540+69.7% | Added |
| Whittier Trust Co | 32,915 | $1.18M | 0.01% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 32,836 | $1.18M | 0.15% | +32,836 | New |
| Tredje AP-fonden | 32,680 | $1.18M | 0.01% | 00.0% | Unchanged |
| Vancity Investment Management Ltd | 32,677 | $1.18M | 0.15% | +3,068+10.4% | Added |
| Triglav Skladi, D.O.O. | 32,090 | $1.15M | 0.08% | +8,765+37.6% | Added |
| Atom Investors LP | 31,015 | $1.12M | 0.10% | −93,685−75.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 30,738 | $1.10M | 0.00% | +12,242+66.2% | Added |
| Legacy Wealth Asset Management, LLC | 30,713 | $1.10M | 0.28% | +391+1.3% | Added |
| Prudential Financial Inc | 27,735 | $1.10M | 0.00% | +5,265+23.4% | Added |
| Nicola Wealth Management Ltd. | 30,000 | $1.08M | 0.10% | −32,000−51.6% | Reduced |
| Ethic Inc. | 30,030 | $1.07M | 0.02% | +1,285+4.5% | Added |
| Atria Investments LLC | 29,597 | $1.06M | 0.01% | +21,538+267.3% | Added |
| State of Alaska, Department of Revenue | 29,575 | $1.06M | 0.01% | −1,835−5.8% | Reduced |
| D. E. Shaw & Co., Inc. | 29,375 | $1.06M | 0.00% | −637,317−95.6% | Reduced |
| Fox Run Management, L.L.C. | 29,024 | $1.04M | 0.17% | +29,024 | New |
| D.A. Davidson & Co. | 28,665 | $1.03M | 0.01% | −4,995−14.8% | Reduced |
| Baird Financial Group, Inc. | 28,544 | $1.03M | 0.00% | +893+3.2% | Added |
| MML Investors Services, LLC | 28,512 | $1.02M | 0.00% | −957−3.2% | Reduced |
| Martingale Asset Management L P | 28,320 | $1.02M | 0.02% | −23,303−45.1% | Reduced |
| New York Life Investment Management LLC | 28,013 | $1.01M | 0.01% | −607−2.1% | Reduced |
| Public Employees Retirement Association of Colorado | 27,530 | $990.0K | 0.00% | −1,620−5.6% | Reduced |
| Davy Global Fund Management Ltd | 27,328 | $982.7K | 0.09% | +7,632+38.7% | Added |
| Axq Capital, LP | 26,889 | $966.9K | 0.31% | +26,889 | New |
| One Capital Management, LLC | 26,517 | $953.6K | 0.03% | +26,517 | New |
| Future Fund LLC | 26,517 | $953.6K | 0.43% | +26,517 | New |
| Rathbone Brothers plc | 26,240 | $943.6K | 0.00% | −1,550−5.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 25,915 | $931.9K | 0.01% | −55,465−68.2% | Reduced |
| Lazard Freres Gestion S.A.S. | 25,830 | $928.0K | 0.02% | +8,500+49.0% | Added |
| Caption Management, LLC | 25,279 | $909.0K | 0.08% | +25,279 | New |
| Quadrant Capital Group LLC | 25,030 | $900.1K | 0.03% | +17,174+218.6% | Added |
| Coldstream Capital Management Inc | 24,076 | $865.8K | 0.01% | +903+3.9% | Added |
| Harbour Investments, Inc. | 23,658 | $850.7K | 0.02% | +189+0.8% | Added |
| Commonwealth Equity Services, LLC | 23,522 | $846.0K | 0.00% | −584−2.4% | Reduced |
| Groupama Asset Managment | – | $845.2K | 0.01% | – | – |
| Manchester Capital Management LLC | 23,165 | $833.0K | 0.11% | −100.0% | Reduced |