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 |
|---|---|---|---|---|---|
| Malaga Cove Capital, LLC | 9,125 | $306.1K | 0.11% | +9,125 | New |
| Versant Capital Management, Inc | 9,093 | $305.0K | 0.04% | −2,963−24.6% | Reduced |
| Bayforest Capital Ltd | 8,973 | $301.0K | 0.22% | −1,657−15.6% | Reduced |
| Shelton Capital Management | 8,767 | $294.0K | 0.01% | −3,504−28.6% | Reduced |
| Fifth Third Wealth Advisors LLC | 8,624 | $289.2K | 0.01% | −20−0.2% | Reduced |
| TCG Advisory Services, LLC | 8,559 | $287.1K | 0.01% | −1,282−13.0% | Reduced |
| EP Wealth Advisors, LLC | 8,551 | $286.8K | 0.00% | +8,551 | New |
| EntryPoint Capital, LLC | 8,535 | $286.3K | 0.11% | +8,535 | New |
| CIBC Asset Management Inc | 8,488 | $284.7K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 8,370 | $280.7K | 0.00% | −792−8.6% | Reduced |
| IFP Advisors, Inc | 8,358 | $280.3K | 0.01% | −2,022−19.5% | Reduced |
| AE Wealth Management LLC | 8,266 | $277.2K | 0.00% | −152−1.8% | Reduced |
| GAMMA Investing LLC | 8,104 | $271.8K | 0.01% | +1,368+20.3% | Added |
| Brown Advisory Inc | 7,837 | $262.8K | 0.00% | −887−10.2% | Reduced |
| Farther Finance Advisors, LLC | 7,752 | $260.0K | 0.00% | +3,183+69.7% | Added |
| Personal Cfo Solutions, LLC | 7,746 | $259.8K | 0.04% | −468−5.7% | Reduced |
| Umb Bank N A | 7,735 | $259.4K | 0.00% | +3,682+90.8% | Added |
| Advisory Services Network, LLC | 7,537 | $252.8K | 0.00% | −4,540−37.6% | Reduced |
| Philadelphia Trust Co | 7,500 | $252.0K | 0.02% | 00.0% | Unchanged |
| Fiduciary Trust Co | 7,475 | $250.7K | 0.00% | −210−2.7% | Reduced |
| Guggenheim Capital LLC | 7,419 | $248.8K | 0.00% | −203−2.7% | Reduced |
| New England Professional Planning Group Inc. | 7,415 | $248.7K | 0.10% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 7,398 | $248.1K | 0.00% | −1,692−18.6% | Reduced |
| Kestra Advisory Services, LLC | 7,395 | $248.0K | 0.00% | +7,395 | New |
| Pinnacle Financial Partners, Inc. | 7,305 | $245.0K | 0.00% | +7,305 | New |
| Integrated Wealth Concepts LLC | 7,239 | $242.8K | 0.00% | +7,239 | New |
| Stevens Capital Management LP | 7,207 | $242.0K | 0.09% | +7,207 | New |
| Glenmede Trust Co NA | 7,034 | $235.9K | 0.00% | +7,034 | New |
| NorthCrest Asset Manangement, LLC | 6,675 | $233.2K | 0.01% | +6,675 | New |
| 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 |
| KBC Group NV | 6,816 | $229.0K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 6,734 | $228.8K | 0.00% | −5,659−45.7% | Reduced |
| Wilkerson Advisory Group LLC | 6,698 | $224.7K | 0.08% | +6,698 | New |
| Gsa Capital Partners LLP | 6,610 | $222.0K | 0.02% | +6,610 | New |
| Phoenix Holdings Ltd. | 6,573 | $220.3K | 0.00% | −425−6.1% | Reduced |
| Vise Technologies, Inc. | 6,564 | $220.2K | 0.00% | +6,564 | New |
| Camden Capital, LLC | 6,501 | $218.0K | 0.01% | −1,734−21.1% | Reduced |
| J. Safra Sarasin Holding AG | 6,500 | $218.0K | 0.00% | −1,686−20.6% | Reduced |
| Atomi Financial Group, Inc. | 6,481 | $217.4K | 0.01% | +132+2.1% | Added |
| Claret Asset Management Corp | 6,420 | $215.0K | 0.02% | −15−0.2% | Reduced |
| Fulton Bank, N.A. | 6,408 | $214.9K | 0.01% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 6,350 | $213.0K | 0.00% | 00.0% | Unchanged |
| Krilogy Financial LLC | 5,798 | $212.7K | 0.01% | +5,798 | New |
| STRS Ohio | 6,289 | $210.9K | 0.00% | +11+0.2% | Added |
| Waldron Private Wealth LLC | 6,220 | $208.6K | 0.01% | +6,220 | New |
| Beese Fulmer Investment Management, Inc. | 6,200 | $207.9K | 0.01% | +6,200 | New |
| Skopos Labs, Inc. | 6,097 | $207.9K | 0.01% | +6,097 | New |
| Crestwood Advisors Group LLC | 6,194 | $207.7K | 0.00% | +6,194 | New |
| Forum Financial Management, LP | 6,191 | $207.6K | 0.00% | −691−10.0% | Reduced |
| Signaturefd, LLC | 6,176 | $207.1K | 0.00% | +1,035+20.1% | Added |
| Sivia Capital Partners, LLC | 6,018 | $201.8K | 0.04% | +6,018 | New |
| Meiji Yasuda Asset Management Co Ltd. | 5,999 | $201.2K | 0.01% | −107−1.8% | Reduced |
| Hantz Financial Services, Inc. | 5,105 | $171.0K | 0.00% | +1,803+54.6% | Added |
| Allworth Financial LP | 4,608 | $154.6K | 0.00% | +2,581+127.3% | Added |
| Monetary Management Group Inc | 4,500 | $150.9K | 0.03% | +4,500 | New |
| Parallel Advisors, LLC | 4,440 | $148.9K | 0.00% | −542−10.9% | Reduced |
| Quest Partners LLC | 4,382 | $147.0K | 0.01% | −944−17.7% | Reduced |
| SRS Capital Advisors, Inc. | 4,354 | $146.0K | 0.00% | −2,519−36.7% | Reduced |
| Leonteq Securities AG | 4,132 | $138.6K | 0.01% | +1,037+33.5% | Added |
| Assetmark, Inc | 3,964 | $133.0K | 0.00% | −2,660−40.2% | Reduced |
| Compagnie Lombard Odier SCmA | 3,800 | $127.5K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 3,773 | $126.5K | 0.00% | −853−18.4% | Reduced |
| Fifth Third Bancorp | 3,715 | $124.6K | 0.00% | −625−14.4% | Reduced |
| Albion Financial Group | 3,625 | $121.6K | 0.01% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 3,376 | $113.0K | 0.00% | −80,522−96.0% | Reduced |
| Quantbot Technologies LP | 3,300 | $110.7K | 0.00% | −39,486−92.3% | Reduced |
| Clearstead Advisors, LLC | 3,296 | $110.5K | 0.00% | +37+1.1% | Added |
| Eurizon Capital SGR S.p.A. | 3,155 | $107.0K | 0.00% | +3,155 | New |
| Jones Financial Companies LLLP | 3,025 | $101.5K | 0.00% | +46+1.5% | Added |
| Palladiem, LLC | 2,950 | $100.2K | 0.10% | +2,950 | New |
| Essential Partners LLC | 2,951 | $99.0K | 0.03% | +2,899+5,575.0% | Added |
| EverSource Wealth Advisors, LLC | 2,947 | $98.8K | 0.00% | +1,484+101.4% | Added |
| Cullen/Frost Bankers, Inc. | 2,896 | $97.1K | 0.00% | −394−12.0% | Reduced |
| Globeflex Capital L P | 2,500 | $83.8K | 0.01% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 2,342 | $78.6K | 0.01% | +2,342 | New |
| Aster Capital Management (DIFC) Ltd | 2,337 | $78.4K | 0.03% | −11,491−83.1% | Reduced |
| Massmutual Trust Co FSB | 2,253 | $75.6K | 0.00% | +175+8.4% | Added |
| CVA Family Office, LLC | 2,235 | $75.0K | 0.01% | +15+0.7% | Added |
| Toronto Dominion Bank | 2,063 | $69.2K | 0.00% | +2,063 | New |
| Wellington Grp LLC | 1,950 | $65.4K | 0.02% | +1,950 | New |
| Rothschild Investment LLC | 1,907 | $64.0K | 0.00% | +1,765+1,243.0% | Added |
| Central Trust Co | 1,875 | $62.9K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,691 | $56.7K | 0.00% | +358+26.9% | Added |
| Bryn Mawr Trust Co | 1,631 | $54.7K | 0.00% | −124−7.1% | Reduced |
| Ronald Blue Trust, Inc. | 1,602 | $53.7K | 0.00% | −10−0.6% | Reduced |
| Danske Bank A/S | 1,600 | $53.7K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 1,470 | $49.3K | 0.00% | −2,972−66.9% | Reduced |
| TD Private Client Wealth LLC | 1,263 | $42.4K | 0.00% | −1,130−47.2% | Reduced |
| HM Payson & Co | 1,250 | $41.9K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 1,192 | $40.0K | 0.01% | −281−19.1% | Reduced |
| Group One Trading, L.P. | 1,156 | $38.8K | 0.00% | −17,315−93.7% | Reduced |
| OP Asset Management Ltd | 1,134 | $38.0K | 0.00% | −160,376−99.3% | Reduced |
| CBIZ Investment Advisory Services, LLC | 1,097 | $36.8K | 0.00% | −5−0.5% | Reduced |
| MAI Capital Management | 1,092 | $36.6K | 0.00% | +567+108.0% | Added |
| Strategic Wealth Partners, Ltd. | 1,047 | $35.1K | 0.00% | −1,823−63.5% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 900 | $33.6K | 0.00% | 00.0% | Unchanged |
| Asset Planning,Inc | 1,000 | $33.5K | 0.02% | 00.0% | Unchanged |
| True Wealth Design, LLC | 880 | $29.5K | 0.01% | −132−13.0% | Reduced |
| First Horizon Corp | 880 | $29.5K | 0.00% | +295+50.4% | Added |