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 |
|---|---|---|---|---|---|
| Bowen Hanes & Co Inc | 15,975 | $481.2K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 16,618 | $480.1K | 0.01% | −68,322−80.4% | Reduced |
| Nwam LLC | 16,553 | $478.2K | 0.02% | +18+0.1% | Added |
| AlphaGrep UK Ltd | 16,350 | $472.4K | 0.14% | +7,164+78.0% | Added |
| Arkadios Wealth Advisors | 16,261 | $469.8K | 0.01% | −4,342−21.1% | Reduced |
| Dover Advisors, LLC | 13,600 | $456.1K | 0.19% | −4,580−25.2% | Reduced |
| Syon Capital LLC | 15,699 | $453.5K | 0.02% | −16,807−51.7% | Reduced |
| Great Lakes Advisors, LLC | 15,325 | $442.7K | 0.00% | −2,448−13.8% | Reduced |
| Pinebridge Investments LLC | 15,279 | $441.4K | 0.00% | +4,273+38.8% | Added |
| New Hampshire Trust | 15,179 | $438.5K | 0.08% | 00.0% | Unchanged |
| Midwest Trust Co | 15,179 | $438.5K | 0.00% | 00.0% | Unchanged |
| Compass Wealth Management LLC | 15,125 | $437.0K | 0.08% | 00.0% | Unchanged |
| Tocqueville Asset Management L.P. | 15,025 | $434.1K | 0.01% | 00.0% | Unchanged |
| CWM Advisors, LLC | 14,966 | $432.4K | 0.02% | +1,995+15.4% | Added |
| Fred Alger Management, LLC | 14,957 | $432.1K | 0.00% | +2,720+22.2% | Added |
| MAI Capital Management | 14,876 | $429.8K | 0.00% | +13,604+1,069.5% | Added |
| US Bancorp | 14,721 | $425.3K | 0.00% | −4,469−23.3% | Reduced |
| Trexquant Investment LP | 14,712 | $425.0K | 0.00% | −56,283−79.3% | Reduced |
| Diversified Trust Co | 14,502 | $419.0K | 0.01% | −1,061−6.8% | Reduced |
| Ethic Inc. | 14,348 | $414.5K | 0.01% | +14,348 | New |
| Northwestern Mutual Wealth Management Co | 14,335 | $414.1K | 0.00% | +285+2.0% | Added |
| Patten Group, Inc. | 14,226 | $411.0K | 0.06% | −3,428−19.4% | Reduced |
| Advisor Group Holdings, Inc. | 14,016 | $404.9K | 0.00% | −5,928−29.7% | Reduced |
| Ensign Peak Advisors, Inc | 13,895 | $401.4K | 0.00% | +50+0.4% | Added |
| SWP Financial LLC | 13,842 | $399.9K | 0.18% | +7+0.1% | Added |
| Trium Capital LLP | 13,810 | $399.0K | 0.25% | +13,810 | New |
| Utah Retirement Systems | 13,800 | $398.7K | 0.00% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 13,752 | $397.3K | 0.01% | −8,496−38.2% | Reduced |
| Integrated Wealth Concepts LLC | 13,352 | $385.7K | 0.00% | +23+0.2% | Added |
| Allstate Corp | 13,229 | $382.2K | 0.00% | −13,531−50.6% | Reduced |
| Williams Jones Wealth Management, LLC. | 13,150 | $379.9K | 0.00% | −243,140−94.9% | Reduced |
| TCG Advisory Services, LLC | 13,125 | $379.2K | 0.01% | +1,057+8.8% | Added |
| DnB Asset Management AS | 12,987 | $375.2K | 0.00% | 00.0% | Unchanged |
| Fifth Third Wealth Advisors LLC | 12,642 | $365.2K | 0.01% | −1,806−12.5% | Reduced |
| Maryland State Retirement & Pension System | 12,454 | $359.8K | 0.01% | 00.0% | Unchanged |
| NewEdge Wealth, LLC | 12,381 | $357.7K | 0.00% | +4,825+63.9% | Added |
| Azzad Asset Management Inc | 12,291 | $355.1K | 0.03% | +12,291 | New |
| Janney Montgomery Scott LLC | 12,256 | $354.0K | 0.00% | +12,256 | New |
| RWC Asset Management LLP | 12,253 | $354.0K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 12,223 | $353.1K | 0.00% | +8,770+254.0% | Added |
| J.W. Cole Advisors, Inc. | 12,156 | $351.2K | 0.01% | −114−0.9% | Reduced |
| ELCO Management Co., LLC | 12,141 | $350.8K | 0.15% | +1,548+14.6% | Added |
| Radnor Capital Management, LLC | 12,125 | $350.3K | 0.05% | −32,095−72.6% | Reduced |
| We Are One Seven, LLC | 12,068 | $348.7K | 0.01% | −798−6.2% | Reduced |
| Ledyard National Bank | 12,035 | $347.7K | 0.03% | −3,033−20.1% | Reduced |
| Groupe la Francaise | 12,000 | $347.0K | 0.00% | 00.0% | Unchanged |
| Define Financial, LLC | 11,766 | $339.9K | 0.16% | +29+0.2% | Added |
| Clear Creek Financial Management, LLC | 11,752 | $339.5K | 0.02% | −1,657−12.4% | Reduced |
| Vident Advisory, LLC | 11,669 | $337.1K | 0.00% | +4,520+63.2% | Added |
| Centiva Capital, LP | 11,615 | $335.6K | 0.01% | +11,615 | New |
| North Star Asset Management Inc | 11,500 | $332.2K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 11,498 | $332.2K | 0.00% | −255,075−95.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 11,063 | $319.6K | 0.00% | −4,782−30.2% | Reduced |
| AE Wealth Management LLC | 11,056 | $319.4K | 0.00% | +1,457+15.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 11,023 | $318.5K | 0.00% | −587−5.1% | Reduced |
| HB Wealth Management, LLC | 10,998 | $317.7K | 0.00% | +2,225+25.4% | Added |
| MML Investors Services, LLC | 10,822 | $312.7K | 0.00% | −213−1.9% | Reduced |
| Jain Global LLC | 10,580 | $305.7K | 0.00% | +10,580 | New |
| Laird Norton Trust Company, LLC | 10,548 | $304.7K | 0.01% | −1,660−13.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 10,523 | $304.0K | 0.00% | −2,524−19.3% | Reduced |
| ProShare Advisors LLC | 10,236 | $295.7K | 0.00% | −225−2.2% | Reduced |
| Huntington National Bank | 10,235 | $295.7K | 0.00% | −76−0.7% | Reduced |
| Vise Technologies, Inc. | 10,185 | $294.2K | 0.00% | +3,621+55.2% | Added |
| Baker Avenue Asset Management, LP | 10,096 | $291.7K | 0.01% | −2,069−17.0% | Reduced |
| Savant Capital, LLC | 9,734 | $290.7K | 0.00% | +9,734 | New |
| IMC-Chicago, LLC | 10,023 | $289.6K | 0.00% | −13,717−57.8% | Reduced |
| National Bank of Canada | 9,939 | $286.9K | 0.00% | −1,205−10.8% | Reduced |
| Malaga Cove Capital, LLC | 9,713 | $280.6K | 0.09% | −728−7.0% | Reduced |
| Dakota Wealth Management | 9,656 | $279.0K | 0.01% | −9−0.1% | Reduced |
| Modern Wealth Management, LLC | 9,529 | $275.3K | 0.00% | +2,982+45.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 9,500 | $274.5K | 0.00% | 00.0% | Unchanged |
| Y.D. More Investments Ltd | 9,457 | $273.2K | 0.01% | +9,457 | New |
| Abacus Wealth Partners, LLC | 9,405 | $271.7K | 0.03% | −6,495−40.8% | Reduced |
| Marex Group plc | 9,100 | $262.9K | 0.00% | +1,574+20.9% | Added |
| Merit Financial Group, LLC | 8,975 | $259.3K | 0.00% | −808−8.3% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 8,974 | $259.3K | 0.00% | −6,954−43.7% | Reduced |
| Sanctuary Advisors, LLC | 8,941 | $258.3K | 0.00% | +130+1.5% | Added |
| MQS Management LLC | 8,827 | $255.0K | 0.31% | +8,827 | New |
| Kera Capital Partners, Inc. | 8,790 | $253.9K | 0.02% | −2,742−23.8% | Reduced |
| Bridgefront Capital, LLC | 8,784 | $253.8K | 0.07% | −39,687−81.9% | Reduced |
| Shelton Capital Management | 8,767 | $253.3K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 8,476 | $244.9K | 0.00% | +2,340+38.1% | Added |
| Jane Street Group, LLC | 8,401 | $242.7K | 0.00% | −198,405−95.9% | Reduced |
| Resources Investment Advisors, LLC. | 8,399 | $242.7K | 0.00% | +8,399 | New |
| Mariner, LLC | 8,291 | $239.6K | 0.00% | −3,349−28.8% | Reduced |
| D. E. Shaw & Co., Inc. | 8,286 | $239.4K | 0.00% | +8,286 | New |
| Rathbone Brothers plc | 8,250 | $238.3K | 0.00% | −4,099−33.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 8,248 | $238.0K | 0.00% | −2,493−23.2% | Reduced |
| STRS Ohio | 8,143 | $235.3K | 0.00% | +1,928+31.0% | Added |
| CIBC Asset Management Inc | 8,066 | $233.0K | 0.00% | −422−5.0% | Reduced |
| KBC Group NV | 7,936 | $229.0K | 0.00% | 00.0% | Unchanged |
| Claret Asset Management Corp | 7,813 | $226.0K | 0.02% | +7,813 | New |
| Sterling Capital Management LLC | 7,821 | $225.9K | 0.00% | +377+5.1% | Added |
| Aaron Wealth Advisors | 7,751 | $223.9K | 0.01% | −1,430−15.6% | Reduced |
| North Dakota State Investment Board | 7,727 | $223.2K | 0.01% | +52+0.7% | Added |
| Kestra Advisory Services, LLC | 7,647 | $220.9K | 0.00% | +50+0.7% | Added |
| Umb Bank N A | 7,582 | $219.0K | 0.00% | −747−9.0% | Reduced |
| Krilogy Financial LLC | 7,522 | $217.3K | 0.01% | +7,522 | New |
| Ronald Blue Trust, Inc. | 7,518 | $217.2K | 0.00% | +1,812+31.8% | Added |
| Philadelphia Trust Co | 7,500 | $217.0K | 0.01% | 00.0% | Unchanged |