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 2025
Institutional positions in Tetra Tech Inc as of Dec 31, 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
- 611
- +26 vs. Q3 2025
- Shares held
- 241.8M
- −4.04M (−1.6%) vs. Q3 2025
- Total value
- $8.10B
- −$102.0M (−1.2%) vs. Q3 2025
- New holders
- 96
- 182 more added
- Sold out
- 70
- 253 more reduced
12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harvest Fund Management Co., Ltd | 594 | $22.0K | 0.00% | 00.0% | Unchanged |
| Essential Investment Partners LLC | 660 | $22.1K | 0.02% | +660 | New |
| GWM Advisors LLC | 675 | $22.6K | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 641 | $23.8K | 0.00% | +515+408.7% | Added |
| Wexford Capital LP | 714 | $23.9K | 0.01% | +73+11.4% | Added |
| BFSG, LLC | 750 | $25.2K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 775 | $26.0K | 0.00% | −12−1.5% | Reduced |
| Sound Income Strategies, LLC | 729 | $27.2K | 0.00% | +1+0.1% | Added |
| First Horizon Corp | 880 | $29.5K | 0.00% | +295+50.4% | Added |
| CIBC Private Wealth Group, LLC | 880 | $29.5K | 0.00% | +341+63.3% | Added |
| True Wealth Design, LLC | 880 | $29.5K | 0.01% | −132−13.0% | Reduced |
| Asset Planning,Inc | 1,000 | $33.5K | 0.02% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 900 | $33.6K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 1,047 | $35.1K | 0.00% | −1,823−63.5% | Reduced |
| MAI Capital Management | 1,092 | $36.6K | 0.00% | +567+108.0% | Added |
| CBIZ Investment Advisory Services, LLC | 1,097 | $36.8K | 0.00% | −5−0.5% | Reduced |
| OP Asset Management Ltd | 1,134 | $38.0K | 0.00% | −160,376−99.3% | Reduced |
| Group One Trading, L.P. | 1,156 | $38.8K | 0.00% | −17,315−93.7% | Reduced |
| SJS Investment Consulting Inc. | 1,192 | $40.0K | 0.01% | −281−19.1% | Reduced |
| HM Payson & Co | 1,250 | $41.9K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 1,263 | $42.4K | 0.00% | −1,130−47.2% | Reduced |
| Spire Wealth Management | 1,470 | $49.3K | 0.00% | −2,972−66.9% | Reduced |
| Danske Bank A/S | 1,600 | $53.7K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 1,602 | $53.7K | 0.00% | −10−0.6% | Reduced |
| Bryn Mawr Trust Co | 1,631 | $54.7K | 0.00% | −124−7.1% | Reduced |
| Larson Financial Group LLC | 1,691 | $56.7K | 0.00% | +358+26.9% | Added |
| Central Trust Co | 1,875 | $62.9K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 1,907 | $64.0K | 0.00% | +1,765+1,243.0% | Added |
| Wellington Grp LLC | 1,950 | $65.4K | 0.02% | +1,950 | New |
| Toronto Dominion Bank | 2,063 | $69.2K | 0.00% | +2,063 | New |
| CVA Family Office, LLC | 2,235 | $75.0K | 0.01% | +15+0.7% | Added |
| Massmutual Trust Co FSB | 2,253 | $75.6K | 0.00% | +175+8.4% | Added |
| Aster Capital Management (DIFC) Ltd | 2,337 | $78.4K | 0.03% | −11,491−83.1% | Reduced |
| International Assets Investment Management, LLC | 2,342 | $78.6K | 0.01% | +2,342 | New |
| Globeflex Capital L P | 2,500 | $83.8K | 0.01% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 2,896 | $97.1K | 0.00% | −394−12.0% | Reduced |
| EverSource Wealth Advisors, LLC | 2,947 | $98.8K | 0.00% | +1,484+101.4% | Added |
| Essential Partners LLC | 2,951 | $99.0K | 0.03% | +2,899+5,575.0% | Added |
| Palladiem, LLC | 2,950 | $100.2K | 0.10% | +2,950 | New |
| Jones Financial Companies LLLP | 3,025 | $101.5K | 0.00% | +46+1.5% | Added |
| Eurizon Capital SGR S.p.A. | 3,155 | $107.0K | 0.00% | +3,155 | New |
| Clearstead Advisors, LLC | 3,296 | $110.5K | 0.00% | +37+1.1% | Added |
| Quantbot Technologies LP | 3,300 | $110.7K | 0.00% | −39,486−92.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 3,376 | $113.0K | 0.00% | −80,522−96.0% | Reduced |
| Albion Financial Group | 3,625 | $121.6K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 3,715 | $124.6K | 0.00% | −625−14.4% | Reduced |
| Brown Brothers Harriman & Co | 3,773 | $126.5K | 0.00% | −853−18.4% | Reduced |
| Compagnie Lombard Odier SCmA | 3,800 | $127.5K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 3,964 | $133.0K | 0.00% | −2,660−40.2% | Reduced |
| Leonteq Securities AG | 4,132 | $138.6K | 0.01% | +1,037+33.5% | Added |
| SRS Capital Advisors, Inc. | 4,354 | $146.0K | 0.00% | −2,519−36.7% | Reduced |
| Quest Partners LLC | 4,382 | $147.0K | 0.01% | −944−17.7% | Reduced |
| Parallel Advisors, LLC | 4,440 | $148.9K | 0.00% | −542−10.9% | Reduced |
| Monetary Management Group Inc | 4,500 | $150.9K | 0.03% | +4,500 | New |
| Allworth Financial LP | 4,608 | $154.6K | 0.00% | +2,581+127.3% | Added |
| Hantz Financial Services, Inc. | 5,105 | $171.0K | 0.00% | +1,803+54.6% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 5,999 | $201.2K | 0.01% | −107−1.8% | Reduced |
| Sivia Capital Partners, LLC | 6,018 | $201.8K | 0.04% | +6,018 | New |
| Signaturefd, LLC | 6,176 | $207.1K | 0.00% | +1,035+20.1% | Added |
| Forum Financial Management, LP | 6,191 | $207.6K | 0.00% | −691−10.0% | Reduced |
| Crestwood Advisors Group LLC | 6,194 | $207.7K | 0.00% | +6,194 | New |
| Skopos Labs, Inc. | 6,097 | $207.9K | 0.01% | +6,097 | New |
| Beese Fulmer Investment Management, Inc. | 6,200 | $207.9K | 0.01% | +6,200 | New |
| Waldron Private Wealth LLC | 6,220 | $208.6K | 0.01% | +6,220 | New |
| STRS Ohio | 6,289 | $210.9K | 0.00% | +11+0.2% | Added |
| Krilogy Financial LLC | 5,798 | $212.7K | 0.01% | +5,798 | New |
| Panagora Asset Management Inc | 6,350 | $213.0K | 0.00% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 6,408 | $214.9K | 0.01% | 00.0% | Unchanged |
| Claret Asset Management Corp | 6,420 | $215.0K | 0.02% | −15−0.2% | Reduced |
| Atomi Financial Group, Inc. | 6,481 | $217.4K | 0.01% | +132+2.1% | Added |
| J. Safra Sarasin Holding AG | 6,500 | $218.0K | 0.00% | −1,686−20.6% | Reduced |
| Camden Capital, LLC | 6,501 | $218.0K | 0.01% | −1,734−21.1% | Reduced |
| Vise Technologies, Inc. | 6,564 | $220.2K | 0.00% | +6,564 | New |
| Phoenix Holdings Ltd. | 6,573 | $220.3K | 0.00% | −425−6.1% | Reduced |
| Gsa Capital Partners LLP | 6,610 | $222.0K | 0.02% | +6,610 | New |
| Wilkerson Advisory Group LLC | 6,698 | $224.7K | 0.08% | +6,698 | New |
| RSM US Wealth Management LLC | 6,734 | $228.8K | 0.00% | −5,659−45.7% | Reduced |
| KBC Group NV | 6,816 | $229.0K | 0.00% | 00.0% | Unchanged |
| La Banque Postale Asset Management SA | 6,932 | $232.5K | 0.00% | −338,298−98.0% | Reduced |
| Interchange Capital Partners, LLC | 6,932 | $232.5K | 0.04% | −742−9.7% | Reduced |
| NorthCrest Asset Manangement, LLC | 6,675 | $233.2K | 0.01% | +6,675 | New |
| Glenmede Trust Co NA | 7,034 | $235.9K | 0.00% | +7,034 | New |
| Stevens Capital Management LP | 7,207 | $242.0K | 0.09% | +7,207 | New |
| Integrated Wealth Concepts LLC | 7,239 | $242.8K | 0.00% | +7,239 | New |
| Pinnacle Financial Partners, Inc. | 7,305 | $245.0K | 0.00% | +7,305 | New |
| Kestra Advisory Services, LLC | 7,395 | $248.0K | 0.00% | +7,395 | New |
| Cresset Asset Management, LLC | 7,398 | $248.1K | 0.00% | −1,692−18.6% | Reduced |
| New England Professional Planning Group Inc. | 7,415 | $248.7K | 0.10% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 7,419 | $248.8K | 0.00% | −203−2.7% | Reduced |
| Fiduciary Trust Co | 7,475 | $250.7K | 0.00% | −210−2.7% | Reduced |
| Philadelphia Trust Co | 7,500 | $252.0K | 0.02% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 7,537 | $252.8K | 0.00% | −4,540−37.6% | Reduced |
| Umb Bank N A | 7,735 | $259.4K | 0.00% | +3,682+90.8% | Added |
| Personal Cfo Solutions, LLC | 7,746 | $259.8K | 0.04% | −468−5.7% | Reduced |
| Farther Finance Advisors, LLC | 7,752 | $260.0K | 0.00% | +3,183+69.7% | Added |
| Brown Advisory Inc | 7,837 | $262.8K | 0.00% | −887−10.2% | Reduced |
| GAMMA Investing LLC | 8,104 | $271.8K | 0.01% | +1,368+20.3% | Added |
| AE Wealth Management LLC | 8,266 | $277.2K | 0.00% | −152−1.8% | Reduced |
| IFP Advisors, Inc | 8,358 | $280.3K | 0.01% | −2,022−19.5% | Reduced |
| Resources Investment Advisors, LLC. | 8,370 | $280.7K | 0.00% | −792−8.6% | Reduced |