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 |
|---|---|---|---|---|---|
| Walleye Capital LLC | 1,061 | $35.4K | 0.00% | +1,061 | New |
| CBIZ Investment Advisory Services, LLC | 1,102 | $36.8K | 0.00% | +123+12.6% | Added |
| HM Payson & Co | 1,250 | $41.7K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 1,290 | $43.0K | 0.00% | −425−24.8% | Reduced |
| Larson Financial Group LLC | 1,333 | $44.5K | 0.00% | +119+9.8% | Added |
| Principal Securities, Inc. | 1,354 | $45.2K | 0.00% | −37−2.7% | Reduced |
| EverSource Wealth Advisors, LLC | 1,463 | $48.8K | 0.00% | −392−21.1% | Reduced |
| SJS Investment Consulting Inc. | 1,473 | $49.2K | 0.01% | +1,454+7,652.6% | Added |
| Danske Bank A/S | 1,600 | $53.4K | 0.00% | −1,405−46.8% | Reduced |
| Ronald Blue Trust, Inc. | 1,612 | $53.8K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,755 | $58.6K | 0.00% | +801+84.0% | Added |
| Central Trust Co | 1,875 | $62.6K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 2,027 | $67.7K | 0.00% | +256+14.5% | Added |
| Massmutual Trust Co FSB | 2,078 | $69.4K | 0.00% | +16+0.8% | Added |
| CVA Family Office, LLC | 2,220 | $74.1K | 0.01% | 00.0% | Unchanged |
| Covestor Ltd | 2,353 | $79.0K | 0.04% | −3,084−56.7% | Reduced |
| TD Private Client Wealth LLC | 2,393 | $79.9K | 0.00% | −193−7.5% | Reduced |
| Globeflex Capital L P | 2,500 | $83.5K | 0.01% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 2,600 | $86.8K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 2,870 | $95.8K | 0.01% | −911−24.1% | Reduced |
| Jones Financial Companies LLLP | 2,979 | $99.3K | 0.00% | +1,181+65.7% | Added |
| Leonteq Securities AG | 3,095 | $103.3K | 0.01% | +1,253+68.0% | Added |
| Clearstead Advisors, LLC | 3,259 | $108.8K | 0.00% | −1,433−30.5% | Reduced |
| Cullen/Frost Bankers, Inc. | 3,290 | $109.8K | 0.00% | +231+7.6% | Added |
| Hantz Financial Services, Inc. | 3,302 | $110.0K | 0.00% | −18,368−84.8% | Reduced |
| Twin Tree Management, LP | 3,300 | $110.2K | 0.01% | −172,728−98.1% | Reduced |
| Albion Financial Group | 3,625 | $121.0K | 0.01% | 00.0% | Unchanged |
| Compagnie Lombard Odier SCmA | 3,800 | $126.8K | 0.00% | −4,000−51.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 3,845 | $128.3K | 0.09% | +3,828+22,517.6% | Added |
| Umb Bank N A | 4,053 | $135.3K | 0.00% | +133+3.4% | Added |
| Fifth Third Bancorp | 4,340 | $144.9K | 0.00% | −782−15.3% | Reduced |
| Blume Capital Management, Inc. | 4,375 | $146.0K | 0.03% | 00.0% | Unchanged |
| Spire Wealth Management | 4,442 | $148.3K | 0.01% | −1,552−25.9% | Reduced |
| Farther Finance Advisors, LLC | 4,569 | $152.5K | 0.00% | +930+25.6% | Added |
| Brown Brothers Harriman & Co | 4,626 | $154.4K | 0.00% | +853+22.6% | Added |
| Abich Financial Wealth Management LLC | 4,777 | $159.5K | 0.06% | +4,777 | New |
| Parallel Advisors, LLC | 4,982 | $166.3K | 0.00% | +574+13.0% | Added |
| Signaturefd, LLC | 5,141 | $171.6K | 0.00% | −34−0.7% | Reduced |
| Quest Partners LLC | 5,326 | $177.8K | 0.01% | −298−5.3% | Reduced |
| Oppenheimer Asset Management Inc. | 6,033 | $201.4K | 0.00% | −9−0.1% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 6,106 | $203.8K | 0.01% | −246−3.9% | Reduced |
| Profund Advisors LLC | 6,134 | $204.8K | 0.01% | +29+0.5% | Added |
| CWM, LLC | 6,137 | $205.0K | 0.00% | +459+8.1% | Added |
| Optas, LLC | 6,234 | $208.1K | 0.04% | +269+4.5% | Added |
| National Bank of Canada | 6,273 | $209.2K | 0.00% | −152,415−96.0% | Reduced |
| STRS Ohio | 6,278 | $209.6K | 0.00% | −105−1.6% | Reduced |
| Sequoia Financial Advisors, LLC | 6,328 | $211.2K | 0.00% | +6,328 | New |
| Atomi Financial Group, Inc. | 6,349 | $211.9K | 0.01% | +6,349 | New |
| Panagora Asset Management Inc | 6,350 | $212.0K | 0.00% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 6,408 | $213.9K | 0.01% | 00.0% | Unchanged |
| Claret Asset Management Corp | 6,435 | $215.0K | 0.03% | −90−1.4% | Reduced |
| PharVision Advisers, LLC | 6,517 | $217.5K | 0.12% | +6,517 | New |
| Assetmark, Inc | 6,624 | $221.1K | 0.00% | +2,029+44.2% | Added |
| GAMMA Investing LLC | 6,736 | $224.8K | 0.01% | +640+10.5% | Added |
| KBC Group NV | 6,816 | $228.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 6,818 | $229.3K | 0.00% | +6,818 | New |
| SRS Capital Advisors, Inc. | 6,873 | $229.4K | 0.00% | +1,384+25.2% | Added |
| Forum Financial Management, LP | 6,882 | $229.7K | 0.00% | +1,077+18.6% | Added |
| Glenmede Investment Management, LP | 6,922 | $231.1K | 0.00% | +830+13.6% | Added |
| Phoenix Holdings Ltd. | 6,998 | $233.7K | 0.00% | +1,156+19.8% | Added |
| Petrus Trust Company, LTA | 7,093 | $236.8K | 0.03% | −4,342−38.0% | Reduced |
| Synovus Financial Corp | 7,305 | $243.8K | 0.00% | 00.0% | Unchanged |
| New England Professional Planning Group Inc. | 7,415 | $247.5K | 0.11% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 7,425 | $247.8K | 0.00% | +794+12.0% | Added |
| Lecap Asset Management Ltd | 7,444 | $248.5K | 0.09% | +7,444 | New |
| Global Retirement Partners, LLC | 7,464 | $249.1K | 0.01% | +171+2.3% | Added |
| Philadelphia Trust Co | 7,500 | $250.0K | 0.02% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 7,574 | $253.0K | 0.00% | −571−7.0% | Reduced |
| Guggenheim Capital LLC | 7,622 | $254.4K | 0.00% | −40−0.5% | Reduced |
| Interchange Capital Partners, LLC | 7,674 | $256.2K | 0.05% | +7,674 | New |
| Fiduciary Trust Co | 7,685 | $256.5K | 0.00% | +222+3.0% | Added |
| Mirabella Financial Services LLP | 7,796 | $260.2K | 0.02% | +7,796 | New |
| Journey Strategic Wealth LLC | 7,967 | $265.9K | 0.01% | +2,325+41.2% | Added |
| J. Safra Sarasin Holding AG | 8,186 | $273.2K | 0.00% | −471,554−98.3% | Reduced |
| Acadian Asset Management LLC | 8,254 | $274.0K | 0.00% | +8,254 | New |
| Personal Cfo Solutions, LLC | 8,214 | $274.2K | 0.05% | +60+0.7% | Added |
| Oak Ridge Investments LLC | 8,215 | $274.2K | 0.02% | 00.0% | Unchanged |
| Camden Capital, LLC | 8,235 | $274.9K | 0.02% | +8,235 | New |
| Transcend Wealth Collective, LLC | 8,291 | $276.8K | 0.02% | +340+4.3% | Added |
| Banco Santander, S.A. | 8,371 | $279.4K | 0.00% | +8,371 | New |
| AE Wealth Management LLC | 8,418 | $281.0K | 0.00% | −703−7.7% | Reduced |
| CIBC Asset Management Inc | 8,488 | $283.3K | 0.00% | 00.0% | Unchanged |
| Verdence Capital Advisors LLC | 8,514 | $285.1K | 0.02% | +319+3.9% | Added |
| Fifth Third Wealth Advisors LLC | 8,644 | $288.5K | 0.01% | +34+0.4% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 8,676 | $289.6K | 0.01% | +8,676 | New |
| Envestnet Portfolio Solutions, Inc. | 8,688 | $290.0K | 0.00% | −42,216−82.9% | Reduced |
| Brown Advisory Inc | 8,724 | $291.2K | 0.00% | −650−6.9% | Reduced |
| Vident Advisory, LLC | 8,738 | $291.7K | 0.00% | −186−2.1% | Reduced |
| Headlands Technologies LLC | 8,789 | $293.4K | 0.02% | −27,317−75.7% | Reduced |
| Modern Wealth Management, LLC | 8,914 | $297.5K | 0.01% | +1,953+28.1% | Added |
| Merit Financial Group, LLC | 9,050 | $302.1K | 0.00% | +161+1.8% | Added |
| Cresset Asset Management, LLC | 9,090 | $303.4K | 0.00% | +1,929+26.9% | Added |
| Resources Investment Advisors, LLC. | 9,162 | $305.8K | 0.00% | +328+3.7% | Added |
| Resona Asset Management Co.,Ltd. | 9,160 | $307.4K | 0.00% | −1,300−12.4% | Reduced |
| MQS Management LLC | 9,211 | $307.5K | 0.18% | +9,211 | New |
| Insigneo Advisory Services, LLC | 9,303 | $310.5K | 0.02% | +664+7.7% | Added |
| Everence Capital Management Inc | 9,380 | $313.0K | 0.02% | 00.0% | Unchanged |
| HB Wealth Management, LLC | 9,480 | $316.4K | 0.00% | +3,195+50.8% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 9,500 | $317.1K | 0.00% | −3,000−24.0% | Reduced |
| TCG Advisory Services, LLC | 9,841 | $328.5K | 0.01% | +3,880+65.1% | Added |