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, Q3 2025
Institutional positions in Tetra Tech Inc as of Sep 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
- 597
- +14 vs. Q2 2025
- Shares held
- 246.3M
- −56.3K (0.0%) vs. Q2 2025
- Total value
- $8.22B
- −$607.6M (−6.9%) vs. Q2 2025
- New holders
- 74
- 231 more added
- Sold out
- 60
- 202 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Everence Capital Management Inc | 9,380 | $313.0K | 0.02% | 00.0% | Unchanged |
| Insigneo Advisory Services, LLC | 9,303 | $310.5K | 0.02% | +664+7.7% | Added |
| MQS Management LLC | 9,211 | $307.5K | 0.18% | +9,211 | New |
| Resona Asset Management Co.,Ltd. | 9,160 | $307.4K | 0.00% | −1,300−12.4% | Reduced |
| Resources Investment Advisors, LLC. | 9,162 | $305.8K | 0.00% | +328+3.7% | Added |
| Cresset Asset Management, LLC | 9,090 | $303.4K | 0.00% | +1,929+26.9% | Added |
| Merit Financial Group, LLC | 9,050 | $302.1K | 0.00% | +161+1.8% | Added |
| Modern Wealth Management, LLC | 8,914 | $297.5K | 0.01% | +1,953+28.1% | Added |
| Headlands Technologies LLC | 8,789 | $293.4K | 0.02% | −27,317−75.7% | Reduced |
| Vident Advisory, LLC | 8,738 | $291.7K | 0.00% | −186−2.1% | Reduced |
| Brown Advisory Inc | 8,724 | $291.2K | 0.00% | −650−6.9% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 8,688 | $290.0K | 0.00% | −42,216−82.9% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 8,676 | $289.6K | 0.01% | +8,676 | New |
| Fifth Third Wealth Advisors LLC | 8,644 | $288.5K | 0.01% | +34+0.4% | Added |
| Verdence Capital Advisors LLC | 8,514 | $285.1K | 0.02% | +319+3.9% | Added |
| CIBC Asset Management Inc | 8,488 | $283.3K | 0.00% | 00.0% | Unchanged |
| AE Wealth Management LLC | 8,418 | $281.0K | 0.00% | −703−7.7% | Reduced |
| Banco Santander, S.A. | 8,371 | $279.4K | 0.00% | +8,371 | New |
| Transcend Wealth Collective, LLC | 8,291 | $276.8K | 0.02% | +340+4.3% | Added |
| Camden Capital, LLC | 8,235 | $274.9K | 0.02% | +8,235 | New |
| Oak Ridge Investments LLC | 8,215 | $274.2K | 0.02% | 00.0% | Unchanged |
| Personal Cfo Solutions, LLC | 8,214 | $274.2K | 0.05% | +60+0.7% | Added |
| Acadian Asset Management LLC | 8,254 | $274.0K | 0.00% | +8,254 | New |
| J. Safra Sarasin Holding AG | 8,186 | $273.2K | 0.00% | −471,554−98.3% | Reduced |
| Journey Strategic Wealth LLC | 7,967 | $265.9K | 0.01% | +2,325+41.2% | Added |
| Mirabella Financial Services LLP | 7,796 | $260.2K | 0.02% | +7,796 | New |
| Fiduciary Trust Co | 7,685 | $256.5K | 0.00% | +222+3.0% | Added |
| Interchange Capital Partners, LLC | 7,674 | $256.2K | 0.05% | +7,674 | New |
| Guggenheim Capital LLC | 7,622 | $254.4K | 0.00% | −40−0.5% | Reduced |
| Park Avenue Securities LLC | 7,574 | $253.0K | 0.00% | −571−7.0% | Reduced |
| Philadelphia Trust Co | 7,500 | $250.0K | 0.02% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 7,464 | $249.1K | 0.01% | +171+2.3% | Added |
| Lecap Asset Management Ltd | 7,444 | $248.5K | 0.09% | +7,444 | New |
| Vestmark Advisory Solutions, Inc. | 7,425 | $247.8K | 0.00% | +794+12.0% | Added |
| New England Professional Planning Group Inc. | 7,415 | $247.5K | 0.11% | 00.0% | Unchanged |
| Synovus Financial Corp | 7,305 | $243.8K | 0.00% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 7,093 | $236.8K | 0.03% | −4,342−38.0% | Reduced |
| Phoenix Holdings Ltd. | 6,998 | $233.7K | 0.00% | +1,156+19.8% | Added |
| Glenmede Investment Management, LP | 6,922 | $231.1K | 0.00% | +830+13.6% | Added |
| Forum Financial Management, LP | 6,882 | $229.7K | 0.00% | +1,077+18.6% | Added |
| SRS Capital Advisors, Inc. | 6,873 | $229.4K | 0.00% | +1,384+25.2% | Added |
| Wolverine Trading, LLC | 6,818 | $229.3K | 0.00% | +6,818 | New |
| KBC Group NV | 6,816 | $228.0K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 6,736 | $224.8K | 0.01% | +640+10.5% | Added |
| Assetmark, Inc | 6,624 | $221.1K | 0.00% | +2,029+44.2% | Added |
| PharVision Advisers, LLC | 6,517 | $217.5K | 0.12% | +6,517 | New |
| Claret Asset Management Corp | 6,435 | $215.0K | 0.03% | −90−1.4% | Reduced |
| Fulton Bank, N.A. | 6,408 | $213.9K | 0.01% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 6,350 | $212.0K | 0.00% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 6,349 | $211.9K | 0.01% | +6,349 | New |
| Sequoia Financial Advisors, LLC | 6,328 | $211.2K | 0.00% | +6,328 | New |
| STRS Ohio | 6,278 | $209.6K | 0.00% | −105−1.6% | Reduced |
| National Bank of Canada | 6,273 | $209.2K | 0.00% | −152,415−96.0% | Reduced |
| Optas, LLC | 6,234 | $208.1K | 0.04% | +269+4.5% | Added |
| CWM, LLC | 6,137 | $205.0K | 0.00% | +459+8.1% | Added |
| Profund Advisors LLC | 6,134 | $204.8K | 0.01% | +29+0.5% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 6,106 | $203.8K | 0.01% | −246−3.9% | Reduced |
| Oppenheimer Asset Management Inc. | 6,033 | $201.4K | 0.00% | −9−0.1% | Reduced |
| Quest Partners LLC | 5,326 | $177.8K | 0.01% | −298−5.3% | Reduced |
| Signaturefd, LLC | 5,141 | $171.6K | 0.00% | −34−0.7% | Reduced |
| Parallel Advisors, LLC | 4,982 | $166.3K | 0.00% | +574+13.0% | Added |
| Abich Financial Wealth Management LLC | 4,777 | $159.5K | 0.06% | +4,777 | New |
| Brown Brothers Harriman & Co | 4,626 | $154.4K | 0.00% | +853+22.6% | Added |
| Farther Finance Advisors, LLC | 4,569 | $152.5K | 0.00% | +930+25.6% | Added |
| Spire Wealth Management | 4,442 | $148.3K | 0.01% | −1,552−25.9% | Reduced |
| Blume Capital Management, Inc. | 4,375 | $146.0K | 0.03% | 00.0% | Unchanged |
| Fifth Third Bancorp | 4,340 | $144.9K | 0.00% | −782−15.3% | Reduced |
| Umb Bank N A | 4,053 | $135.3K | 0.00% | +133+3.4% | Added |
| Caitong International Asset Management Co., Ltd | 3,845 | $128.3K | 0.09% | +3,828+22,517.6% | Added |
| Compagnie Lombard Odier SCmA | 3,800 | $126.8K | 0.00% | −4,000−51.3% | Reduced |
| Albion Financial Group | 3,625 | $121.0K | 0.01% | 00.0% | Unchanged |
| Twin Tree Management, LP | 3,300 | $110.2K | 0.01% | −172,728−98.1% | Reduced |
| Hantz Financial Services, Inc. | 3,302 | $110.0K | 0.00% | −18,368−84.8% | Reduced |
| Cullen/Frost Bankers, Inc. | 3,290 | $109.8K | 0.00% | +231+7.6% | Added |
| Clearstead Advisors, LLC | 3,259 | $108.8K | 0.00% | −1,433−30.5% | Reduced |
| Leonteq Securities AG | 3,095 | $103.3K | 0.01% | +1,253+68.0% | Added |
| Jones Financial Companies LLLP | 2,979 | $99.3K | 0.00% | +1,181+65.7% | Added |
| Strategic Wealth Partners, Ltd. | 2,870 | $95.8K | 0.01% | −911−24.1% | Reduced |
| Canada Pension Plan Investment Board | 2,600 | $86.8K | 0.00% | 00.0% | Unchanged |
| Globeflex Capital L P | 2,500 | $83.5K | 0.01% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 2,393 | $79.9K | 0.00% | −193−7.5% | Reduced |
| Covestor Ltd | 2,353 | $79.0K | 0.04% | −3,084−56.7% | Reduced |
| CVA Family Office, LLC | 2,220 | $74.1K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 2,078 | $69.4K | 0.00% | +16+0.8% | Added |
| Allworth Financial LP | 2,027 | $67.7K | 0.00% | +256+14.5% | Added |
| Central Trust Co | 1,875 | $62.6K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,755 | $58.6K | 0.00% | +801+84.0% | Added |
| Ronald Blue Trust, Inc. | 1,612 | $53.8K | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 1,600 | $53.4K | 0.00% | −1,405−46.8% | Reduced |
| SJS Investment Consulting Inc. | 1,473 | $49.2K | 0.01% | +1,454+7,652.6% | Added |
| EverSource Wealth Advisors, LLC | 1,463 | $48.8K | 0.00% | −392−21.1% | Reduced |
| Principal Securities, Inc. | 1,354 | $45.2K | 0.00% | −37−2.7% | Reduced |
| Larson Financial Group LLC | 1,333 | $44.5K | 0.00% | +119+9.8% | Added |
| Capital Advisors, Ltd. LLC | 1,290 | $43.0K | 0.00% | −425−24.8% | Reduced |
| HM Payson & Co | 1,250 | $41.7K | 0.00% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 1,102 | $36.8K | 0.00% | +123+12.6% | Added |
| Walleye Capital LLC | 1,061 | $35.4K | 0.00% | +1,061 | New |
| True Wealth Design, LLC | 1,012 | $33.8K | 0.01% | +704+228.6% | Added |
| Asset Planning,Inc | 1,000 | $33.4K | 0.02% | 00.0% | Unchanged |
| Kathleen S. Wright Associates Inc. | 935 | $31.2K | 0.01% | 00.0% | Unchanged |