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 2026
Institutional positions in Tetra Tech Inc as of Jun 30, 2026. 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
- 555
- −32 vs. Q1 2026
- Shares held
- 253.3M
- +10.9M (+4.5%) vs. Q1 2026
- Total value
- $7.32B
- +$6.63M (+0.1%) vs. Q1 2026
- New holders
- 54
- 206 more added
- Sold out
- 86
- 214 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ground Swell Capital, LLC | 7,451 | $215.3K | 0.23% | +7,451 | New |
| New England Professional Planning Group Inc. | 7,415 | $214.2K | 0.08% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 7,372 | $213.0K | 0.00% | +7,372 | New |
| Mirabella Financial Services LLP | 7,359 | $212.6K | 0.02% | −6,495−46.9% | Reduced |
| Everence Capital Management Inc | 7,313 | $211.0K | 0.01% | −747−9.3% | Reduced |
| Pinnacle Financial Partners, Inc. | 7,260 | $209.7K | 0.00% | −45−0.6% | Reduced |
| Fiduciary Trust Co | 7,225 | $208.7K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 7,109 | $205.4K | 0.00% | +7,109 | New |
| Lazard Asset Management LLC | 7,068 | $204.2K | 0.00% | −28,150−79.9% | Reduced |
| Brighton Jones LLC | 6,951 | $200.8K | 0.00% | +6,951 | New |
| Bayesian Capital Management, LP | 6,934 | $200.3K | 0.13% | +6,934 | New |
| Vestmark Advisory Solutions, Inc. | 6,930 | $200.2K | 0.00% | +6,930 | New |
| Hantz Financial Services, Inc. | 6,046 | $175.0K | 0.00% | +1,254+26.2% | Added |
| Nykredit A/S | 5,871 | $169.6K | 0.00% | +5,871 | New |
| Allworth Financial LP | 5,645 | $163.1K | 0.00% | +2,048+56.9% | Added |
| Spire Wealth Management | 5,375 | $155.3K | 0.00% | +4,223+366.6% | Added |
| Farther Finance Advisors, LLC | 4,789 | $138.4K | 0.00% | −1,572−24.7% | Reduced |
| Vestcor Inc | 4,699 | $136.0K | 0.00% | 00.0% | Unchanged |
| Horizon Investments, LLC | 4,404 | $127.0K | 0.00% | +680+18.3% | Added |
| Compagnie Lombard Odier SCmA | 3,800 | $109.8K | 0.00% | 00.0% | Unchanged |
| Eurizon Capital SGR S.p.A. | 3,729 | $107.8K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 3,625 | $104.7K | 0.01% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 3,520 | $103.0K | 0.00% | +141+4.2% | Added |
| GAMMA Investing LLC | 3,501 | $101.1K | 0.00% | −3,083−46.8% | Reduced |
| Palladiem, LLC | 2,950 | $85.2K | 0.08% | 00.0% | Unchanged |
| CVA Family Office, LLC | 2,753 | $79.5K | 0.01% | +281+11.4% | Added |
| Employees Retirement System of Texas | 2,738 | $79.0K | 0.00% | +2,738 | New |
| Globeflex Capital L P | 2,500 | $72.2K | 0.01% | 00.0% | Unchanged |
| Monetary Management Group Inc | 2,500 | $72.2K | 0.01% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 2,441 | $70.5K | 0.00% | +366+17.6% | Added |
| Essential Partners LLC | 2,411 | $69.7K | 0.03% | +2,376+6,788.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 2,403 | $69.4K | 0.00% | −45,241−95.0% | Reduced |
| Leonteq Securities AG | 2,349 | $67.9K | 0.00% | −322−12.1% | Reduced |
| IFP Advisors, Inc | 2,292 | $66.2K | 0.00% | −2,620−53.3% | Reduced |
| Whittier Trust Co | 1,915 | $59.7K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,962 | $56.7K | 0.00% | −2,837−59.1% | Reduced |
| Harvest Fund Management Co., Ltd | 1,932 | $56.0K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,917 | $55.4K | 0.00% | −170−8.1% | Reduced |
| SBI Securities Co., Ltd. | 1,904 | $55.0K | 0.00% | +1,800+1,730.8% | Added |
| Cullen/Frost Bankers, Inc. | 1,895 | $54.7K | 0.00% | +18+1.0% | Added |
| Central Trust Co | 1,875 | $54.2K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 1,806 | $52.7K | 0.00% | +4+0.2% | Added |
| Bryn Mawr Trust Co | 1,701 | $49.1K | 0.00% | +70+4.3% | Added |
| EverSource Wealth Advisors, LLC | 1,313 | $37.9K | 0.00% | −95−6.7% | Reduced |
| Capital Advisors, Ltd. LLC | 1,270 | $37.0K | 0.00% | −20−1.6% | Reduced |
| HM Payson & Co | 1,250 | $36.1K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,206 | $34.8K | 0.00% | −3,483−74.3% | Reduced |
| Evelyn Partners Group Ltd | 1,155 | $33.4K | 0.00% | +1,155 | New |
| Brown Brothers Harriman & Co | 1,143 | $33.0K | 0.00% | −2,734−70.5% | Reduced |
| OP Asset Management Ltd | 1,134 | $32.8K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,121 | $32.4K | 0.00% | −9,449−89.4% | Reduced |
| Baillie Gifford & Co | 1,114 | $32.2K | 0.00% | −312,451−99.6% | Reduced |
| Weiss Asset Management LP | 1,071 | $30.9K | 0.00% | −158,327−99.3% | Reduced |
| Asset Planning,Inc | 1,000 | $28.9K | 0.02% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 900 | $26.0K | 0.00% | 00.0% | Unchanged |
| Buck Wealth Strategies, LLC | 892 | $25.8K | 0.00% | +892 | New |
| SJS Investment Consulting Inc. | 861 | $24.9K | 0.00% | −323−27.3% | Reduced |
| Financial Consulate, Inc | 775 | $22.4K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 750 | $21.7K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 712 | $20.6K | 0.00% | −163−18.6% | Reduced |
| Copeland Capital Management, LLC | 670 | $19.4K | 0.00% | −365,214−99.8% | Reduced |
| Essential Investment Partners LLC | 660 | $19.1K | 0.02% | 00.0% | Unchanged |
| Wilkerson Advisory Group LLC | 653 | $18.9K | 0.01% | −91−12.2% | Reduced |
| Parkside Financial Bank & Trust | 620 | $17.9K | 0.00% | −30−4.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 585 | $16.9K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 564 | $16.3K | 0.00% | +496+729.4% | Added |
| Manchester Capital Management LLC | 551 | $15.9K | 0.00% | −245−30.8% | Reduced |
| Rexford Capital Inc | 525 | $15.2K | 0.01% | 00.0% | Unchanged |
| Guinness Asset Management LTD | 489 | $14.1K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 455 | $13.1K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 450 | $13.1K | 0.00% | +200+80.0% | Added |
| Covestor Ltd | 439 | $13.0K | 0.01% | +101+29.9% | Added |
| CBIZ Investment Advisory Services, LLC | 402 | $12.1K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 386 | $11.2K | 0.00% | −53−12.1% | Reduced |
| Massmutual Trust Co FSB | 378 | $10.9K | 0.00% | −1,547−80.4% | Reduced |
| Action Point Financial Planning, LLC | 360 | $10.3K | 0.00% | +360 | New |
| Maseco LLP | 352 | $10.2K | 0.00% | +155+78.7% | Added |
| Glen Eagle Advisors, LLC | 332 | $9.58K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 328 | $9.48K | 0.00% | +275+518.9% | Added |
| CX Institutional | 312 | $9.00K | 0.00% | −682−68.6% | Reduced |
| Danske Bank A/S | 300 | $8.67K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 290 | $8.38K | 0.00% | −215−42.6% | Reduced |
| Silver Grove Financial Group, Inc. | 288 | $8.32K | 0.00% | +288 | New |
| ZRC Wealth Management, LLC | 279 | $8.06K | 0.00% | +253+973.1% | Added |
| Assetmark, Inc | 272 | $7.86K | 0.00% | −4,425−94.2% | Reduced |
| Elequin Capital LP | 270 | $7.80K | 0.00% | +16+6.3% | Added |
| Itau Unibanco Holding S.A. | 269 | $7.77K | 0.00% | +93+52.8% | Added |
| Rossby Financial, LCC | 260 | $7.51K | 0.00% | −62−19.3% | Reduced |
| Mascoma Wealth Management LLC | 250 | $7.22K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 245 | $7.08K | 0.00% | −205−45.6% | Reduced |
| Activest Wealth Management | 244 | $7.05K | 0.00% | +104+74.3% | Added |
| Clal Insurance Enterprises Holdings Ltd | 238 | $7.00K | 0.00% | −18−7.0% | Reduced |
| Westside Investment Management, Inc. | 239 | $6.90K | 0.00% | 00.0% | Unchanged |
| Dunhill Financial, LLC | 240 | $6.74K | 0.00% | +38+18.8% | Added |
| Farmers & Merchants Investments Inc | 225 | $6.50K | 0.00% | 00.0% | Unchanged |
| Dogwood Wealth Management LLC | 220 | $6.36K | 0.00% | +220 | New |
| N.E.W. Advisory Services LLC | 215 | $6.21K | 0.00% | 00.0% | Unchanged |
| Westpac Banking Corp | 214 | $6.18K | 0.00% | +214 | New |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 212 | $6.13K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 208 | $6.01K | 0.00% | +100+92.6% | Added |