Skip to main content

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 2023

Institutional positions in Tetra Tech Inc as of Sep 30, 2023. 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
471
+22 vs. Q2 2023
Shares held
46.9M
+3.36M (+7.7%) vs. Q2 2023
Total value
$7.09B
−$8.48M (−0.1%) vs. Q2 2023
New holders
62
152 more added
Sold out
40
176 more reduced

6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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.

Institutional holdersQ3 2023: 471 institutions
Q1 2021: 365 institutionsQ2 2021: 366 institutionsQ3 2021: 359 institutionsQ4 2021: 401 institutionsQ1 2022: 404 institutionsQ2 2022: 415 institutionsQ3 2022: 412 institutionsQ4 2022: 470 institutionsQ1 2023: 445 institutionsQ2 2023: 455 institutionsQ3 2023: 471 institutionsQ4 2023: 510 institutionsQ1 2024: 512 institutionsQ2 2024: 600 institutionsQ3 2024: 646 institutionsQ4 2024: 638 institutionsQ1 2025: 568 institutionsQ2 2025: 590 institutionsQ3 2025: 597 institutionsQ4 2025: 611 institutionsQ1 2026: 593 institutionsQ2 2026: 555 institutions
Value heldQ3 2023: $7.09B
Q1 2021: $6.39BQ2 2021: $5.68BQ3 2021: $7.08BQ4 2021: $7.93BQ1 2022: $7.86BQ2 2022: $6.31BQ3 2022: $5.91BQ4 2022: $6.68BQ1 2023: $6.81BQ2 2023: $7.67BQ3 2023: $7.09BQ4 2023: $7.87BQ1 2024: $8.66BQ2 2024: $9.88BQ3 2024: $11.2BQ4 2024: $9.45BQ1 2025: $7.18BQ2 2025: $8.94BQ3 2025: $8.22BQ4 2025: $8.10BQ1 2026: $7.35BQ2 2026: $7.32B
Institutions holding TTEK and their total value by quarter
QuarterHoldersValue
Q2 2026555$7.32B
Q1 2026593$7.35B
Q4 2025611$8.10B
Q3 2025597$8.22B
Q2 2025590$8.94B
Q1 2025568$7.18B
Q4 2024638$9.45B
Q3 2024646$11.2B
Q2 2024600$9.88B
Q1 2024512$8.66B
Q4 2023510$7.87B
Q3 2023471$7.09B
Q2 2023455$7.67B
Q1 2023445$6.81B
Q4 2022470$6.68B
Q3 2022412$5.91B
Q2 2022415$6.31B
Q1 2022404$7.86B
Q4 2021401$7.93B
Q3 2021359$7.08B
Q2 2021366$5.68B
Q1 2021365$6.39B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2023.

Institutions holding TTEK in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
The PNC Financial Services Group, Inc.4,377$665.5K0.00%−567−11.5%Reduced
Ledyard National Bank4,383$666.3K0.08%−82−1.8%Reduced
Tortoise Capital Advisors, L.L.C.4,399$668.8K0.01%00.0%Unchanged
Smith, Moore & Co.4,458$677.7K0.09%+4,458New
Brasada Capital Management, LP4,500$684.1K0.16%+4,500New
Securian Asset Management, Inc4,509$685.5K0.02%−233−4.9%Reduced
Mariner, LLC4,527$688.2K0.00%+2,195+94.1%Added
Manchester Capital Management LLC4,576$695.7K0.10%00.0%Unchanged
First Business Financial Services, Inc.4,676$710.9K0.09%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund4,714$716.7K0.00%+1,055+28.8%Added
First Wilshire Securities Management Inc4,800$730.0K0.25%00.0%Unchanged
O'Shaughnessy Asset Management, LLC4,805$730.5K0.01%+836+21.1%Added
Vancity Investment Management Ltd4,831$734.0K0.10%00.0%Unchanged
Teza Capital Management LLC4,841$736.0K0.12%+3,132+183.3%Added
AQR Capital Management LLC5,019$763.1K0.00%−13,613−73.1%Reduced
Inceptionr LLC5,034$765.3K0.43%+1,682+50.2%Added
Commonwealth Equity Services, LLC5,046$767.0K0.00%+290+6.1%Added
VELA Investment Management, LLC5,075$771.6K0.34%+2,572+102.8%Added
Susquehanna International Group, LLP5,165$785.2K0.00%−16,646−76.3%Reduced
First Pacific Financial5,181$787.7K0.35%−232−4.3%Reduced
Stephens Inc5,238$796.3K0.02%+5,238New
Integrated Wealth Concepts LLC5,257$799.2K0.01%−89−1.7%Reduced
Vestcor Inc5,448$828.0K0.03%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich5,568$846.0K0.00%+169+3.1%Added
New York Life Investment Management LLC5,630$855.9K0.01%+2,958+110.7%Added
Legacy Wealth Asset Management, LLC5,767$876.8K0.32%−17−0.3%Reduced
FORA Capital, LLC5,841$888.0K0.08%+5,841New
Captrust Financial Advisors5,870$892.4K0.00%+13+0.2%Added
Pacer Advisors, Inc.6,224$946.2K0.00%−4,587−42.4%Reduced
Tributary Capital Management, LLC6,259$951.6K0.09%+881+16.4%Added
Point72 Asset Management, L.P.6,304$958.4K0.00%+6,304New
State of Alaska, Department of Revenue6,327$961.0K0.01%−270−4.1%Reduced
Envestnet Portfolio Solutions, Inc.6,508$989.4K0.00%+6,508New
Tredje AP-fonden6,536$993.7K0.01%00.0%Unchanged
Public Employees Retirement Association of Colorado6,580$1.00M0.01%−801−10.9%Reduced
Quadrature Capital Ltd6,635$1.01M0.02%+6,635New
Baird Financial Group, Inc.6,775$1.03M0.00%+1,424+26.6%Added
Whittier Trust Co6,833$1.04M0.02%00.0%Unchanged
JustInvest LLC6,874$1.05M0.03%+236+3.6%Added
Strategic Wealth Partners, Ltd.7,019$1.07M0.14%−166−2.3%Reduced
Bank of Montreal6,770$1.08M0.00%−135−2.0%Reduced
Cetera Investment Advisers7,139$1.09M0.01%+1,713+31.6%Added
Tudor Investment Corp Et Al7,153$1.09M0.02%+7,153New
Xponance, Inc.7,318$1.11M0.02%−96−1.3%Reduced
SFE Investment Counsel7,606$1.16M0.34%−158−2.0%Reduced
American Century Companies Inc7,741$1.18M0.00%+343+4.6%Added
AE Wealth Management LLC7,821$1.19M0.01%−240−3.0%Reduced
CenterBook Partners LP7,995$1.22M0.15%−3,396−29.8%Reduced
Two Sigma Advisers, LP8,000$1.22M0.00%−6,100−43.3%Reduced
Pathstone Family Office, LLC7,583$1.23M0.01%+692+10.0%Added
Bailard, Inc.8,122$1.23M0.04%−174−2.1%Reduced
Point72 Middle East FZE8,167$1.24M0.08%+8,167New
Oppenheimer & Co Inc8,251$1.25M0.03%+8,251New
Aviva PLC8,294$1.26M0.01%−5,400−39.4%Reduced
CWM Advisors, LLC8,390$1.28M0.16%+500+6.3%Added
ClariVest Asset Management LLC8,627$1.31M0.07%+12+0.1%Added
STRS Ohio9,050$1.38M0.01%+2,291+33.9%Added
Artemis Investment Management LLP9,208$1.40M0.02%−2,112−18.7%Reduced
Victory Capital Management Inc9,464$1.44M0.00%+267+2.9%Added
Handelsbanken Fonder AB9,609$1.46M0.01%00.0%Unchanged
Legato Capital Management LLC9,653$1.47M0.21%−376−3.7%Reduced
D.A. Davidson & Co.9,982$1.52M0.02%+32+0.3%Added
Granahan Investment Management Inc10,610$1.61M0.06%+6,437+154.3%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,782$1.64M0.01%−14,948−58.1%Reduced
New Mexico Educational Retirement Board10,900$1.66M0.07%00.0%Unchanged
Tortoise Index Solutions, LLC10,940$1.66M0.35%−334−3.0%Reduced
Exchange Traded Concepts, LLC10,992$1.67M0.05%−1,738−13.7%Reduced
Voya Investment Management LLC11,448$1.74M0.00%−417−3.5%Reduced
Candriam Luxembourg S.C.A.272,970$1.74M0.01%+21,816+8.7%Added
Formula Growth Ltd11,500$1.75M0.60%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)11,599$1.76M0.01%+1,879+19.3%Added
Daiwa Securities Group Inc.11,780$1.79M0.01%+3,880+49.1%Added
Nordea Investment Management AB11,566$1.79M0.00%+31+0.3%Added
Northwestern Mutual Investment Management Company, LLC11,809$1.80M0.05%−21−0.2%Reduced
TD Asset Management Inc11,848$1.80M0.00%+400+3.5%Added
Zions Bancorporation, N.A.11,971$1.82M0.16%+3,310+38.2%Added
Prudential Financial Inc12,086$1.84M0.00%−606−4.8%Reduced
Penobscot Investment Management Company, Inc.12,172$1.85M0.25%+967+8.6%Added
Advisors Asset Management, Inc.12,503$1.90M0.04%−100−0.8%Reduced
State of Michigan Retirement System12,708$1.93M0.01%−400−3.1%Reduced
D'Orazio & Associates, Inc.12,878$1.96M0.44%−40−0.3%Reduced
Creative Planning13,188$2.00M0.00%−199−1.5%Reduced
Thrivent Financial for Lutherans13,431$2.04M0.00%−407−2.9%Reduced
MML Investors Services, LLC13,712$2.08M0.01%+5,230+61.7%Added
First National Bank of Omaha13,980$2.13M0.14%−2,073−12.9%Reduced
River Wealth Advisors LLC14,369$2.18M0.39%+1,511+11.8%Added
Oregon Public Employees Retirement Fund14,894$2.26M0.03%−500−3.2%Reduced
Louisiana State Employees Retirement System15,100$2.30M0.05%−400−2.6%Reduced
Teacher Retirement System of Texas15,125$2.30M0.02%−2,284−13.1%Reduced
Qube Research & Technologies Ltd15,129$2.30M0.01%+497+3.4%Added
Arizona State Retirement System15,156$2.30M0.02%+206+1.4%Added
Staley Capital Advisers Inc15,200$2.31M0.13%00.0%Unchanged
Bristlecone Advisors, LLC15,451$2.35M0.26%+717+4.9%Added
Citigroup Inc15,470$2.35M0.00%−1,985−11.4%Reduced
Ensign Peak Advisors, Inc15,851$2.41M0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.16,442$2.50M0.10%−1,351−7.6%Reduced
Isthmus Partners, LLC16,604$2.52M0.36%+192+1.2%Added
Squarepoint Ops LLC17,584$2.67M0.01%+8,102+85.4%Added
Teachers Retirement System of the State of Kentucky17,977$2.73M0.03%+8,791+95.7%Added
Catalyst Capital Advisors LLC18,227$2.77M0.08%+245+1.4%Added