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Livermore
Livermore
ZHEN

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 2025

Institutional positions in Tetra Tech Inc as of Jun 30, 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
590
+29 vs. Q1 2025
Shares held
249.4M
+4.09M (+1.7%) vs. Q1 2025
Total value
$8.94B
+$1.76B (+24.6%) vs. Q1 2025
New holders
106
210 more added
Sold out
77
202 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 590 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 heldQ2 2025: $8.94B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2025.

Institutions holding TTEK in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Private Trust Co NA851$30.6K0.00%−13−1.5%Reduced
MAI Capital Management849$30.5K0.00%+344+68.1%Added
Federation des caisses Desjardins du Quebec735$26.4K0.00%−350−32.3%Reduced
Sound Income Strategies, LLC726$26.1K0.00%+1+0.1%Added
Clal Insurance Enterprises Holdings Ltd698$25.0K0.00%+123+21.4%Added
GWM Advisors LLC675$24.3K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.660$23.7K0.00%−6−0.9%Reduced
Canton Hathaway, LLC645$23.0K0.00%+645New
Trust Co625$22.5K0.00%00.0%Unchanged
Rise Advisors, LLC604$21.7K0.01%+1+0.2%Added
Plante Moran Financial Advisors, LLC595$21.4K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.585$21.0K0.00%00.0%Unchanged
Vega Investment Solutions574$20.6K0.00%−475−45.3%Reduced
Rexford Capital Inc525$18.9K0.02%+525New
Binnacle Investments Inc505$18.2K0.01%+80+18.8%Added
Centerpoint Advisors, LLC506$18.0K0.01%00.0%Unchanged
Clark Wealth Partners450$16.2K0.01%00.0%Unchanged
Retirement Wealth Solutions LLC439$15.8K0.01%+1+0.2%Added
Banque Cantonale Vaudoise348$13.0K0.00%−347−49.9%Reduced
TCTC Holdings, LLC340$12.2K0.00%00.0%Unchanged
Glen Eagle Advisors, LLC332$11.9K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC310$11.1K0.00%00.0%Unchanged
True Wealth Design, LLC308$11.1K0.00%+307+30,700.0%Added
CX Institutional310$11.0K0.00%−1,210−79.6%Reduced
Hemington Wealth Management331$11.0K0.00%+144+77.0%Added
Webster Bank, N. A.290$10.4K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp256$9.22K0.00%+256New
Mascoma Wealth Management LLC250$8.99K0.00%00.0%Unchanged
Cetera Trust Company, N.A250$8.99K0.01%00.0%Unchanged
CIBC Private Wealth Group, LLC238$8.56K0.00%−4,461−94.9%Reduced
Creative Financial Designs Inc226$8.13K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.225$8.09K0.00%+225New
Fortitude Family Office, LLC216$7.77K0.00%+216New
N.E.W. Advisory Services LLC215$7.73K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc214$7.70K0.00%+10+4.9%Added
Colonial Trust Advisors200$7.19K0.00%00.0%Unchanged
SBI Securities Co., Ltd.200$7.19K0.00%+16+8.7%Added
Smartleaf Asset Management LLC199$7.09K0.00%−91−31.4%Reduced
Sunbelt Securities, Inc.175$6.97K0.00%00.0%Unchanged
PFS Partners, LLC182$6.55K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.168$6.04K0.00%+7+4.3%Added
WPG Advisers, LLC146$5.25K0.00%−51−25.9%Reduced
High Note Wealth, LLC122$4.39K0.00%+7+6.1%Added
Total Investment Management Inc117$4.21K0.00%+117New
Dogwood Wealth Management LLC115$4.18K0.00%+115New
Capital Analysts, LLC100$4.00K0.00%00.0%Unchanged
Dunhill Financial, LLC108$3.90K0.00%+108New
Proffitt & Goodson Inc105$3.78K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC92$3.38K0.00%+92New
Whipplewood Advisors, LLC90$3.24K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc87$3.13K0.00%00.0%Unchanged
St Germain D J Co Inc75$2.70K0.00%−920−92.5%Reduced
Ameritas Advisory Services, LLC75$2.70K0.00%+75New
JFS Wealth Advisors, LLC74$2.66K0.00%−63−46.0%Reduced
Armstrong Advisory Group, Inc73$2.63K0.00%+73New
Beacon Capital Management, LLC70$2.53K0.00%00.0%Unchanged
Bell Investment Advisors, Inc66$2.37K0.00%+14+26.9%Added
Private Wealth Management Group, LLC65$2.34K0.00%00.0%Unchanged
Cornerstone Planning Group LLC62$2.32K0.00%−148−70.5%Reduced
Hazlett, Burt & Watson, Inc.65$2.00K0.00%00.0%Unchanged
Avion Wealth57$2.00K0.00%+17+42.5%Added
Winthrop Capital Management, LLC44$2.00K0.00%00.0%Unchanged
Anchor Investment Management, LLC55$1.98K0.00%00.0%Unchanged
Meeder Asset Management Inc49$1.76K0.00%+49New
Pineridge Advisors LLC47$1.69K0.00%+47New
CoreCap Advisors, LLC45$1.62K0.00%+10+28.6%Added
Financial Management Professionals, Inc.40$1.44K0.00%00.0%Unchanged
Essential Partners LLC40$1.44K0.00%+40New
South State Corp.37$1.33K0.00%−34−47.9%Reduced
DiNuzzo Private Wealth, Inc.35$1.26K0.00%+9+34.6%Added
Smallwood Wealth Investment Management, LLC34$1.22K0.00%+34New
Cromwell Holdings LLC31$1.11K0.00%+23+287.5%Added
Raleigh Capital Management Inc.28$1.01K0.00%+14+100.0%Added
Rialto Wealth Management, LLC26$9350.00%+26New
Rothschild Investment LLC25$8990.00%−290−92.1%Reduced
WealthTrak Capital Management LLC25$8990.00%00.0%Unchanged
SJS Investment Consulting Inc.19$6840.00%−10−34.5%Reduced
Caitong International Asset Management Co., Ltd17$6110.00%−1,530−98.9%Reduced
Bogart Wealth, LLC16$5750.00%+16New
DecisionPoint Financial, LLC13$4700.00%+13New
HFM Investment Advisors, LLC13$4670.00%+10+333.3%Added
Bare Financial Services, Inc12$4320.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC10$3590.00%+3+42.9%Added
Tortoise Investment Management, LLC7$2520.00%+7New
Parkworth Wealth Management, Inc.5$1800.00%00.0%Unchanged
IMA Wealth, Inc.5$1800.00%+5New
LGT Financial Advisors LLC5$1800.00%+5New
Kozak & Associates, Inc.0$100.00%0Unchanged
Strengthening Families & Communities, LLC0$20.00%0Unchanged
Capital A Wealth Management, LLC16––+16New
Cooper Creek Partners Management LLC0$00.00%−1,173,223−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−1,110,427−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−513,488−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−496,200−100.0%Sold out
Squarepoint Ops LLC0$00.00%−444,176−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−373,021−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−296,678−100.0%Sold out
Alberta Investment Management Corp0$00.00%−237,198−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−189,021−100.0%Sold out
Wexford Capital LP0$00.00%−175,000−100.0%Sold out