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, Q3 2021
Institutional positions in Tetra Tech Inc as of Sep 30, 2021. 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
- 359
- −2 vs. Q2 2021
- Shares held
- 47.5M
- +3.81M (+8.7%) vs. Q2 2021
- Total value
- $7.08B
- +$1.74B (+32.6%) vs. Q2 2021
- New holders
- 35
- 118 more added
- Sold out
- 37
- 133 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| US Bancorp | 2,168 | $324.0K | 0.00% | −156−6.7% | Reduced |
| Penobscot Investment Management Company, Inc. | 2,210 | $330.0K | 0.05% | 00.0% | Unchanged |
| Colony Group LLC | 2,219 | $331.0K | 0.01% | −101−4.4% | Reduced |
| Truist Financial Corp | 2,264 | $338.0K | 0.00% | +162+7.7% | Added |
| Gabelli Funds LLC | 2,300 | $343.0K | 0.00% | −3,200−58.2% | Reduced |
| Cresset Asset Management, LLC | 2,343 | $350.0K | 0.00% | −239−9.3% | Reduced |
| Pendal Group Limited | 2,370 | $354.0K | 0.00% | −330−12.2% | Reduced |
| Jane Street Group, LLC | 2,379 | $355.0K | 0.00% | −7,237−75.3% | Reduced |
| HSBC Holdings PLC | 2,527 | $381.0K | 0.00% | −628−19.9% | Reduced |
| M&T Bank Corp | 2,603 | $389.0K | 0.00% | −200−7.1% | Reduced |
| Financial Counselors Inc | 2,618 | $391.0K | 0.01% | 00.0% | Unchanged |
| Wolf Hill Capital Management, LP | 137,771 | $430.0K | 0.13% | +137,771 | New |
| Illinois Municipal Retirement Fund | 2,895 | $432.0K | 0.02% | 00.0% | Unchanged |
| Tocqueville Asset Management L.P. | 3,005 | $449.0K | 0.01% | −220−6.8% | Reduced |
| Shelton Capital Management | 3,009 | $449.0K | 0.02% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 3,027 | $452.0K | 0.04% | +3,027 | New |
| Mackenzie Financial Corp | 3,083 | $460.0K | 0.00% | +1,221+65.6% | Added |
| Bridgeway Capital Management, LLC | 3,100 | $463.0K | 0.01% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,154 | $471.0K | 0.00% | 00.0% | Unchanged |
| HighPoint Advisor Group LLC | 3,315 | $495.0K | 0.05% | −60−1.8% | Reduced |
| Tributary Capital Management, LLC | 3,331 | $497.0K | 0.04% | −186−5.3% | Reduced |
| JustInvest LLC | 3,417 | $510.0K | 0.05% | +297+9.5% | Added |
| Henshaw Capital LLC | 3,491 | $521.3K | 0.03% | 00.0% | Unchanged |
| Aigen Investment Management, LP | 3,533 | $528.0K | 0.10% | −1,911−35.1% | Reduced |
| Tower Research Capital LLC (TRC) | 3,557 | $531.0K | 0.01% | −595−14.3% | Reduced |
| Algert Global LLC | 3,632 | $542.0K | 0.07% | +3,632 | New |
| Phoenix Holdings Ltd. | 3,701 | $552.0K | 0.01% | +3,701 | New |
| Fred Alger Management, LLC | 3,738 | $558.0K | 0.00% | 00.0% | Unchanged |
| Exane Derivatives | 3,747 | $559.6K | 0.14% | +33+0.9% | Added |
| Guinness Asset Management LTD | 3,804 | $568.0K | 0.03% | +498+15.1% | Added |
| MML Investors Services, LLC | 3,874 | $579.0K | 0.00% | +429+12.5% | Added |
| Cim Investment Mangement Inc | 3,919 | $585.0K | 0.18% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 3,938 | $588.0K | 0.00% | +3,938 | New |
| Ledyard National Bank | 4,047 | $604.0K | 0.06% | +20+0.5% | Added |
| Synovus Financial Corp | 4,093 | $606.0K | 0.01% | −20.0% | Reduced |
| SG Americas Securities, LLC | 4,255 | $635.0K | 0.00% | −25,358−85.6% | Reduced |
| Janney Montgomery Scott LLC | 4,402 | $657.0K | 0.00% | +76+1.8% | Added |
| Creative Planning | 4,472 | $668.0K | 0.00% | +1,301+41.0% | Added |
| Pathstone Family Office, LLC | 4,495 | $672.0K | 0.02% | +969+27.5% | Added |
| SEI Investments Co | 4,605 | $674.0K | 0.00% | +2,195+91.1% | Added |
| Profund Advisors LLC | 4,553 | $680.0K | 0.02% | −266−5.5% | Reduced |
| Swiss Life Asset Management Ltd | 4,573 | $681.8K | 0.01% | +4,573 | New |
| The PNC Financial Services Group, Inc. | 4,582 | $684.0K | 0.00% | −370−7.5% | Reduced |
| Guggenheim Capital LLC | 4,587 | $685.0K | 0.00% | −378−7.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 4,604 | $687.0K | 0.00% | −821−15.1% | Reduced |
| Manchester Capital Management LLC | 4,648 | $694.0K | 0.09% | −3,258−41.2% | Reduced |
| First Business Financial Services, Inc. | 4,676 | $698.0K | 0.08% | 00.0% | Unchanged |
| AE Wealth Management LLC | 4,744 | $708.0K | 0.01% | +164+3.6% | Added |
| Captrust Financial Advisors | 4,804 | $717.0K | 0.01% | +45+0.9% | Added |
| Securian Asset Management, Inc | 4,849 | $724.0K | 0.01% | −128−2.6% | Reduced |
| First Wilshire Securities Management Inc | 4,900 | $732.0K | 0.24% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 4,998 | $746.0K | 0.00% | +2,352+88.9% | Added |
| Susquehanna International Group, LLP | 5,005 | $748.0K | 0.00% | −8,166−62.0% | Reduced |
| Principal Street Partners, LLC | 5,046 | $754.0K | 0.21% | +46+0.9% | Added |
| Private Trust Co NA | 5,171 | $772.0K | 0.11% | −107−2.0% | Reduced |
| First Pacific Financial | 5,327 | $796.0K | 0.42% | +24+0.5% | Added |
| Virginia Retirement Systems Et Al | 5,400 | $806.0K | 0.01% | +400+8.0% | Added |
| Janus Henderson Group PLC | 5,473 | $818.0K | 0.00% | +5,473 | New |
| Strategic Wealth Partners, Ltd. | 5,528 | $826.0K | 0.24% | +2,553+85.8% | Added |
| Crossmark Global Holdings, Inc. | 5,540 | $827.0K | 0.02% | −220−3.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,645 | $843.0K | 0.00% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 5,650 | $844.0K | 0.01% | +16+0.3% | Added |
| Rathbone Brothers plc | 5,805 | $867.0K | 0.01% | −470−7.5% | Reduced |
| Baird Financial Group, Inc. | 6,021 | $899.0K | 0.00% | +4,125+217.6% | Added |
| Pacer Advisors, Inc. | 6,064 | $906.0K | 0.01% | +26+0.4% | Added |
| Great Lakes Advisors, LLC | 6,477 | $967.0K | 0.02% | −254−3.8% | Reduced |
| Whittier Trust Co | 6,583 | $983.0K | 0.02% | 00.0% | Unchanged |
| Legacy Wealth Asset Management, LLC | 6,905 | $1.03M | 0.47% | −10−0.1% | Reduced |
| Bank of Montreal | 6,936 | $1.04M | 0.00% | +337+5.1% | Added |
| Commonwealth Equity Services, LLC | 7,262 | $1.08M | 0.00% | +90+1.3% | Added |
| Victory Capital Management Inc | 7,300 | $1.09M | 0.00% | −380−4.9% | Reduced |
| TD Asset Management Inc | 7,682 | $1.15M | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 7,771 | $1.16M | 0.00% | −774−9.1% | Reduced |
| First National Bank of Omaha | 7,790 | $1.16M | 0.06% | −1,382−15.1% | Reduced |
| Public Employees Retirement Association of Colorado | 7,833 | $1.17M | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 7,860 | $1.17M | 0.00% | +15+0.2% | Added |
| Los Angeles Capital Management LLC | 7,986 | $1.19M | 0.01% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 8,300 | $1.24M | 0.01% | −111−1.3% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 8,515 | $1.27M | 0.02% | +1,058+14.2% | Added |
| Teacher Retirement System of Texas | 8,657 | $1.29M | 0.01% | +1,523+21.3% | Added |
| Xponance, Inc. | 8,696 | $1.30M | 0.02% | −414−4.5% | Reduced |
| SFE Investment Counsel | 8,725 | $1.30M | 0.37% | 00.0% | Unchanged |
| Ontario Teachers Pension Plan Board | 8,874 | $1.32M | 0.01% | −954−9.7% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 8,932 | $1.33M | 0.03% | −88−1.0% | Reduced |
| D. E. Shaw & Co., Inc. | 9,097 | $1.36M | 0.00% | −88,308−90.7% | Reduced |
| Handelsbanken Fonder AB | 9,209 | $1.38M | 0.01% | 00.0% | Unchanged |
| Shell Asset Management Co | 9,720 | $1.45M | 0.03% | −150−1.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 9,900 | $1.48M | 0.03% | −1,846−15.7% | Reduced |
| D.A. Davidson & Co. | 10,000 | $1.49M | 0.02% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 10,038 | $1.50M | 0.00% | −9,646−49.0% | Reduced |
| STRS Ohio | 10,500 | $1.57M | 0.01% | −100−0.9% | Reduced |
| Sawtooth Solutions, LLC | 10,674 | $1.59M | 0.25% | +1,965+22.6% | Added |
| ProShare Advisors LLC | 10,873 | $1.62M | 0.00% | −7,586−41.1% | Reduced |
| Ergoteles LLC | 10,890 | $1.63M | 0.06% | −1,910−14.9% | Reduced |
| Artemis Investment Management LLP | 10,934 | $1.63M | 0.01% | +1,869+20.6% | Added |
| Vident Investment Advisory, LLC | 10,946 | $1.64M | 0.05% | +1,690+18.3% | Added |
| Tortoise Index Solutions, LLC | 10,946 | $1.64M | 0.39% | +1,690+18.3% | Added |
| Federated Hermes, Inc. | 11,059 | $1.65M | 0.00% | −890−7.4% | Reduced |
| Cordatus Wealth Management LLC | 11,121 | $1.66M | 1.28% | +11,121 | New |
| New Mexico Educational Retirement Board | 11,200 | $1.67M | 0.06% | 00.0% | Unchanged |