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 |
|---|---|---|---|---|---|
| Legal & General Group Plc | 119,872 | $17.9M | 0.01% | +47,069+64.7% | Added |
| American International Group, Inc. | 122,040 | $18.2M | 0.10% | −3,718−3.0% | Reduced |
| California Public Employees Retirement System | 122,962 | $18.4M | 0.01% | +386+0.3% | Added |
| AGF Investments America Inc. | 134,060 | $20.0M | 4.17% | +32,974+32.6% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 135,775 | $20.3M | 1.16% | +25,833+23.5% | Added |
| Redwood Investments, LLC | 154,010 | $23.0M | 1.92% | +21,499+16.2% | Added |
| Rhumbline Advisers | 154,687 | $23.1M | 0.03% | +194+0.1% | Added |
| DekaBank Deutsche Girozentrale | 160,600 | $23.6M | 0.07% | +95,600+147.1% | Added |
| Rheos Capital Works Inc. | 159,900 | $23.9M | 1.23% | +1,900+1.2% | Added |
| Driehaus Capital Management LLC | 168,617 | $25.2M | 0.30% | +168,617 | New |
| Parametric Portfolio Associates LLC | 169,614 | $25.3M | 0.01% | +11,059+7.0% | Added |
| Wells Fargo & Company | 171,851 | $25.7M | 0.01% | −5,809−3.3% | Reduced |
| Amundi | 201,788 | $30.1M | 0.02% | +190,289+1,654.8% | Added |
| State of Wisconsin Investment Board | 210,550 | $31.4M | 0.07% | 00.0% | Unchanged |
| Morgan Stanley | 215,622 | $32.2M | 0.00% | −37,392−14.8% | Reduced |
| Eaton Vance Management | 218,243 | $32.5M | 0.05% | −377−0.2% | Reduced |
| JPMorgan Chase & Co | 231,802 | $34.6M | 0.00% | +31,829+15.9% | Added |
| Principal Financial Group Inc | 231,810 | $34.6M | 0.02% | +7,466+3.3% | Added |
| Nuveen Asset Management, LLC | 235,307 | $35.1M | 0.01% | −13,216−5.3% | Reduced |
| Managed Asset Portfolios, LLC | 247,292 | $36.9M | 5.62% | +6,528+2.7% | Added |
| Royal Bank of Canada | 247,510 | $37.0M | 0.01% | −7,539−3.0% | Reduced |
| Value Holdings Management Co. LLC | 249,465 | $37.3M | 8.41% | −9,000−3.5% | Reduced |
| Candriam Luxembourg S.C.A. | 266,295 | $39.8M | 0.27% | +55,607+26.4% | Added |
| Vontobel Holding Ltd. | 268,251 | $40.1M | 0.35% | +31,419+13.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 269,712 | $40.3M | 0.10% | +42,320+18.6% | Added |
| Loomis Sayles & Co L P | 284,233 | $42.4M | 0.05% | +63,676+28.9% | Added |
| Rockefeller Capital Management L.P. | 289,822 | $43.3M | 0.23% | +5,172+1.8% | Added |
| TimesSquare Capital Management, LLC | 300,730 | $44.9M | 0.39% | +55,045+22.4% | Added |
| Emerald Advisers, LLC | 302,922 | $45.2M | 1.64% | +3,656+1.2% | Added |
| Neumeier Poma Investment Counsel LLC | 304,665 | $45.5M | 2.70% | +12,210+4.2% | Added |
| Deutsche Bank AG | 323,302 | $48.3M | 0.02% | +9,338+3.0% | Added |
| Emerald Mutual Fund Advisers Trust | 331,925 | $49.6M | 1.72% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 378,280 | $56.5M | 0.01% | +23,858+6.7% | Added |
| Copeland Capital Management, LLC | 378,817 | $56.6M | 1.61% | −17,893−4.5% | Reduced |
| First Trust Advisors LP | 403,625 | $60.3M | 0.06% | +87,769+27.8% | Added |
| Bowen Hanes & Co Inc | 415,475 | $62.0M | 1.91% | −2,165−0.5% | Reduced |
| FIL Ltd | 415,994 | $62.1M | 0.07% | −32,626−7.3% | Reduced |
| Standard Life Aberdeen plc | 434,235 | $65.6M | 0.15% | +141,940+48.6% | Added |
| Barrett Asset Management, LLC | 457,389 | $68.3M | 3.14% | −4,705−1.0% | Reduced |
| Bank of New York Mellon Corp | 591,263 | $88.3M | 0.02% | −9,046−1.5% | Reduced |
| Charles Schwab Investment Management Inc | 601,314 | $89.8M | 0.03% | −2,108−0.3% | Reduced |
| Kames Capital plc | 613,784 | $91.7M | 1.30% | +28,654+4.9% | Added |
| FMR LLC | 692,705 | $103.4M | 0.01% | +75,696+12.3% | Added |
| Macquarie Group Ltd | 721,008 | $107.7M | 0.09% | −4,287−0.6% | Reduced |
| Allianz Asset Management GmbH | 752,907 | $112.4M | 0.09% | +38,364+5.4% | Added |
| Price T Rowe Associates Inc | 757,655 | $113.1M | 0.01% | −9,035−1.2% | Reduced |
| Bank of America Corp | 761,197 | $113.7M | 0.01% | +53,605+7.6% | Added |
| Northern Trust Corp | 814,090 | $121.6M | 0.02% | +657+0.1% | Added |
| Invesco Ltd. | 833,130 | $124.4M | 0.03% | −81,360−8.9% | Reduced |
| Dimensional Fund Advisors LP | 925,098 | $138.2M | 0.04% | −40,605−4.2% | Reduced |
| Wellington Management Group LLP | 985,632 | $147.2M | 0.03% | +66,741+7.3% | Added |
| Geode Capital Management, LLC | 988,680 | $147.6M | 0.02% | −21,359−2.1% | Reduced |
| Norges Bank | 1,516,895 | $226.5M | 0.05% | −4,397−0.3% | Reduced |
| State Street Corp | 1,664,043 | $248.5M | 0.01% | −10,244−0.6% | Reduced |
| Neuberger Berman Group LLC | 1,925,341 | $285.4M | 0.25% | −18,586−1.0% | Reduced |
| Alliancebernstein L.P. | 2,579,871 | $385.3M | 0.15% | +220,145+9.3% | Added |
| Pictet Asset Management SA | 2,929,791 | $437.5M | 0.48% | +2,929,791 | New |
| Vanguard Group Inc | 5,297,980 | $791.2M | 0.02% | −73,469−1.4% | Reduced |
| BlackRock Inc. | 6,713,923 | $1.00B | 0.03% | −22,949−0.3% | Reduced |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −87,110−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −75,072−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −66,266−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −60,200−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −51,581−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −41,029−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −24,642−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −20,696−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −16,875−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −16,245−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −16,220−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −13,441−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −13,071−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −9,882−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −8,749−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −8,558−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −7,450−100.0% | Sold out |
| O'Shares Investment Advisers, LLC | 0 | $0 | 0.00% | −6,804−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −6,380−100.0% | Sold out |
| Hancock Whitney Corp | 0 | $0 | 0.00% | −6,119−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −5,250−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −4,783−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −4,468−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −2,866−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −2,900−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −2,865−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −2,739−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −2,448−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −1,950−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −1,843−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −1,843−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −506−100.0% | Sold out |
| Exos Asset Management LLC | 0 | $0 | 0.00% | −228−100.0% | Sold out |
| Summit Wealth Group, LLC | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −174−100.0% | Sold out |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| Running Oak Capital LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Smith Asset Management Group LP | – | – | – | – | Not filed |