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, Q1 2025
Institutional positions in Tetra Tech Inc as of Mar 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
- 568
- −61 vs. Q4 2024
- Shares held
- 245.5M
- +9.62M (+4.1%) vs. Q4 2024
- Total value
- $7.18B
- −$2.22B (−23.6%) vs. Q4 2024
- New holders
- 75
- 231 more added
- Sold out
- 136
- 192 more reduced
9 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Staley Capital Advisers Inc | 77,176 | $2.26M | 0.10% | −344−0.4% | Reduced |
| Arizona State Retirement System | 76,856 | $2.25M | 0.01% | −787−1.0% | Reduced |
| Ameritas Investment Partners, Inc. | 75,238 | $2.20M | 0.08% | −885−1.2% | Reduced |
| Victory Capital Management Inc | 75,130 | $2.20M | 0.00% | −144,682−65.8% | Reduced |
| Louisiana State Employees Retirement System | 75,100 | $2.20M | 0.04% | +800+1.1% | Added |
| CWM Advisors, LLC | 74,727 | $2.19M | 0.26% | +74,727 | New |
| Brevan Howard Capital Management LP | 73,932 | $2.16M | 0.06% | +53,076+254.5% | Added |
| Exchange Traded Concepts, LLC | 73,181 | $2.14M | 0.04% | +23,910+48.5% | Added |
| Catalyst Capital Advisors LLC | 72,960 | $2.13M | 0.04% | +10,159+16.2% | Added |
| VELA Investment Management, LLC | 72,731 | $2.13M | 0.73% | +10,193+16.3% | Added |
| First National Bank of Omaha | 70,790 | $2.07M | 0.14% | +1,752+2.5% | Added |
| Bristlecone Advisors, LLC | 69,258 | $2.03M | 0.17% | −3,247−4.5% | Reduced |
| Handelsbanken Fonder AB | 68,345 | $2.00M | 0.01% | 00.0% | Unchanged |
| Captrust Financial Advisors | 65,435 | $1.91M | 0.00% | +19,470+42.4% | Added |
| La Banque Postale Asset Management SA | 65,112 | $1.90M | 0.03% | +20,751+46.8% | Added |
| State of Michigan Retirement System | 64,140 | $1.88M | 0.01% | +700+1.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 64,072 | $1.87M | 0.01% | +4,946+8.4% | Added |
| Thrivent Financial for Lutherans | 63,339 | $1.85M | 0.00% | −148−0.2% | Reduced |
| Nicola Wealth Management Ltd. | 62,000 | $1.81M | 0.18% | −3,000−4.6% | Reduced |
| Ilex Capital Partners (UK) LLP | 59,665 | $1.75M | 0.07% | +59,665 | New |
| Northwestern Mutual Investment Management Company, LLC | 59,596 | $1.74M | 0.03% | +97+0.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 57,528 | $1.68M | 0.11% | +18,378+46.9% | Added |
| Twinbeech Capital LP | 57,234 | $1.67M | 0.03% | +57,234 | New |
| KLP Kapitalforvaltning AS | 57,200 | $1.67M | 0.01% | +1,800+3.2% | Added |
| Voya Investment Management LLC | 55,997 | $1.64M | 0.00% | −343,202−86.0% | Reduced |
| Cerity Partners LLC | 55,079 | $1.61M | 0.00% | −801,684−93.6% | Reduced |
| New Mexico Educational Retirement Board | 54,500 | $1.59M | 0.06% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 54,425 | $1.59M | 0.03% | −100−0.2% | Reduced |
| New Age Alpha Advisors, LLC | 54,376 | $1.59M | 0.07% | −3,101−5.4% | Reduced |
| VestGen Advisors, LLC | 53,957 | $1.58M | 0.07% | +53,957 | New |
| Brinker Capital Investments, LLC | 51,726 | $1.51M | 0.01% | +12,648+32.4% | Added |
| Orion Portfolio Solutions, LLC | 51,726 | $1.51M | 0.01% | +12,648+32.4% | Added |
| Martingale Asset Management L P | 51,623 | $1.51M | 0.04% | −5,914−10.3% | Reduced |
| Gotham Asset Management, LLC | 51,378 | $1.50M | 0.01% | +51,378 | New |
| Schonfeld Strategic Advisors LLC | 50,984 | $1.49M | 0.01% | +27,382+116.0% | Added |
| ING Groep NV | 50,500 | $1.48M | 0.01% | +50,500 | New |
| Graham Capital Management, L.P. | 50,131 | $1.47M | 0.05% | +29,964+148.6% | Added |
| WCM Investment Management, LLC | 49,726 | $1.45M | 0.00% | −1,186,136−96.0% | Reduced |
| Terra Alpha Investments LLC | 49,164 | $1.44M | 1.56% | +2,242+4.8% | Added |
| Semanteon Capital Management, LP | 49,068 | $1.44M | 0.78% | +21,670+79.1% | Added |
| Harbor Capital Advisors, Inc. | 48,418 | $1.42M | 0.06% | +11,340+30.6% | Added |
| Cetera Investment Advisers | 48,395 | $1.42M | 0.00% | −4,902−9.2% | Reduced |
| SG Americas Securities, LLC | 46,406 | $1.36M | 0.00% | +33,491+259.3% | Added |
| Nordea Investment Management AB | 46,174 | $1.35M | 0.00% | +752+1.7% | Added |
| Envestnet Portfolio Solutions, Inc. | 45,832 | $1.34M | 0.01% | −12,291−21.1% | Reduced |
| Xponance, Inc. | 43,677 | $1.28M | 0.01% | +674+1.6% | Added |
| Natixis Advisors, L.P. | 42,742 | $1.25M | 0.00% | −29,755−41.0% | Reduced |
| Bleakley Financial Group, LLC | 41,030 | $1.20M | 0.04% | −1,458−3.4% | Reduced |
| Bailard, Inc. | 39,355 | $1.15M | 0.03% | 00.0% | Unchanged |
| M&T Bank Corp | 39,212 | $1.15M | 0.00% | +16,093+69.6% | Added |
| Formula Growth Ltd | 39,050 | $1.14M | 0.46% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 38,423 | $1.12M | 0.10% | +1,568+4.3% | Added |
| Dark Forest Capital Management LP | 38,357 | $1.12M | 0.05% | +38,357 | New |
| Tudor Investment Corp Et Al | 36,573 | $1.07M | 0.01% | +36,573 | New |
| Empowered Funds, LLC | 36,337 | $1.06M | 0.02% | −849−2.3% | Reduced |
| Mariner, LLC | 36,052 | $1.05M | 0.00% | −1,907−5.0% | Reduced |
| Swiss Life Asset Management Ltd | 35,650 | $1.04M | 0.01% | +492+1.4% | Added |
| Franklin Resources Inc | 35,478 | $1.04M | 0.00% | −865−2.4% | Reduced |
| Oppenheimer & Co Inc | 35,357 | $1.03M | 0.02% | −3,493−9.0% | Reduced |
| D.A. Davidson & Co. | 33,660 | $984.6K | 0.01% | −6,218−15.6% | Reduced |
| Whittier Trust Co | 32,915 | $962.8K | 0.01% | −1,250−3.7% | Reduced |
| Tredje AP-fonden | 32,680 | $955.9K | 0.01% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 31,976 | $936.0K | 0.14% | +3,348+11.7% | Added |
| State of Alaska, Department of Revenue | 31,410 | $918.0K | 0.01% | +885+2.9% | Added |
| Legacy Wealth Asset Management, LLC | 30,322 | $886.9K | 0.25% | −492−1.6% | Reduced |
| Scientech Research LLC | 30,282 | $885.7K | 0.23% | +30,282 | New |
| Caxton Associates LLP | 29,642 | $867.0K | 0.03% | +29,642 | New |
| Vancity Investment Management Ltd | 29,609 | $866.0K | 0.12% | +29,609 | New |
| MML Investors Services, LLC | 29,469 | $862.0K | 0.00% | −5,139−14.8% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 29,265 | $856.0K | 0.00% | +7,000+31.4% | Added |
| Public Employees Retirement Association of Colorado | 29,150 | $853.0K | 0.00% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 29,059 | $850.0K | 0.03% | −109,327−79.0% | Reduced |
| Ethic Inc. | 28,745 | $849.4K | 0.02% | +334+1.2% | Added |
| Headlands Technologies LLC | 28,745 | $840.8K | 0.10% | +20,621+253.8% | Added |
| New York Life Investment Management LLC | 28,620 | $837.1K | 0.01% | +326+1.2% | Added |
| Rathbone Brothers plc | 27,790 | $812.9K | 0.00% | +4,505+19.3% | Added |
| Baird Financial Group, Inc. | 27,651 | $808.8K | 0.00% | −1,564−5.4% | Reduced |
| Elo Mutual Pension Insurance Co | 27,454 | $803.0K | 0.02% | +27,454 | New |
| O'Shaughnessy Asset Management, LLC | 27,252 | $797.1K | 0.01% | −2,617−8.8% | Reduced |
| Groupama Asset Managment | – | $776.7K | 0.02% | – | – |
| Petrus Trust Company, LTA | 26,072 | $762.6K | 0.07% | +26,072 | New |
| Pinebridge Investments, L.P. | 25,648 | $750.2K | 0.01% | −42,829−62.5% | Reduced |
| Danske Bank A/S | 25,582 | $748.3K | 0.00% | +323+1.3% | Added |
| Numerai GP LLC | 25,573 | $748.0K | 0.14% | +25,573 | New |
| Impax Asset Management Group plc | 24,600 | $719.5K | 0.00% | +846+3.6% | Added |
| JustInvest LLC | 24,419 | $714.3K | 0.01% | +671+2.8% | Added |
| Commonwealth Equity Services, LLC | 24,106 | $705.0K | 0.00% | −7,781−24.4% | Reduced |
| Virginia Retirement Systems Et Al | 24,000 | $702.0K | 0.01% | +24,000 | New |
| Harbour Investments, Inc. | 23,469 | $686.5K | 0.02% | −250−1.1% | Reduced |
| Triglav Skladi, D.O.O. | 23,325 | $682.3K | 0.06% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 23,233 | $679.6K | 0.00% | +284+1.2% | Added |
| Manchester Capital Management LLC | 23,175 | $677.9K | 0.08% | +285+1.2% | Added |
| Coldstream Capital Management Inc | 23,173 | $677.8K | 0.01% | +857+3.8% | Added |
| Centiva Capital, LP | 22,486 | $657.7K | 0.04% | +8,606+62.0% | Added |
| Prudential Financial Inc | 22,470 | $656.0K | 0.00% | −3,910−14.8% | Reduced |
| First Wilshire Securities Management Inc | 21,500 | $628.9K | 0.18% | −2,500−10.4% | Reduced |
| Simplex Trading, LLC | 21,451 | $627.0K | 0.02% | +21,451 | New |
| Arkadios Wealth Advisors | 21,314 | $623.4K | 0.02% | +630+3.0% | Added |
| Patten Group, Inc. | 21,113 | $617.6K | 0.14% | −251−1.2% | Reduced |
| First Pacific Financial | 21,023 | $614.9K | 0.12% | −3,501−14.3% | Reduced |