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, Q2 2026

Institutional positions in Tetra Tech Inc as of Jun 30, 2026. 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
555
−32 vs. Q1 2026
Shares held
253.3M
+10.9M (+4.5%) vs. Q1 2026
Total value
$7.32B
+$6.63M (+0.1%) vs. Q1 2026
New holders
54
206 more added
Sold out
86
214 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 555 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 2026: $7.32B
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 2026

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2026.

Institutions holding TTEK in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Navigoe, LLC1$00.00%+1New
Strengthening Families & Communities, LLC0$10.00%0Unchanged
ROSS\JOHNSON & Associates LLC1$290.00%+1New
Raleigh Capital Management Inc.1$390.00%00.0%Unchanged
Principia Wealth Advisory, LLC2$580.00%−33−94.3%Reduced
MV Capital Management, Inc.2$580.00%+2New
Maryland Capital Advisors Inc.2$580.00%+2New
Raffa Wealth Management, LLC3$870.00%+1+50.0%Added
Quaker Wealth Management, LLC4$1160.00%+3+300.0%Added
Planning Strategies Inc.6$1730.00%+6New
DecisionPoint Financial, LLC6$1760.00%−7−53.8%Reduced
WPG Advisers, LLC10$2890.00%−67−87.0%Reduced
Hughes Financial Services, LLC16$4620.00%00.0%Unchanged
Quarry LP17$4910.00%−4,165−99.6%Reduced
HFM Investment Advisors, LLC18$5210.00%+8+80.0%Added
Marquette Asset Management, LLC18$5210.00%+18New
Private Wealth Management Group, LLC21$6070.00%+1+5.0%Added
Creative Capital Management Investments LLC22$6360.00%+22New
Bay Harbor Wealth Management, LLC23$6640.00%−10−30.3%Reduced
NBT Bank N A25$7220.00%00.0%Unchanged
Sachetta, LLC26$7520.00%+26New
Keating Financial Advisory Services, Inc.27$7800.00%−40−59.7%Reduced
Golden State Wealth Management, LLC29$8380.00%−1,500−98.1%Reduced
DiNuzzo Private Wealth, Inc.31$8960.00%−1−3.1%Reduced
Transamerica Financial Advisors, Inc.31$9000.00%−26−45.6%Reduced
Avion Wealth41$1.00K0.00%−17−29.3%Reduced
Financial Management Professionals, Inc.40$1.16K0.00%00.0%Unchanged
Creative Financial Designs Inc41$1.18K0.00%00.0%Unchanged
CoreCap Advisors, LLC43$1.24K0.00%−2−4.4%Reduced
MJT & Associates Financial Advisory Group, Inc.43$1.24K0.00%+43New
Fortitude Family Office, LLC46$1.33K0.00%−74−61.7%Reduced
Bare Financial Services, Inc46$1.33K0.00%+34+283.3%Added
Cornerstone Planning Group LLC45$1.40K0.00%−11−19.6%Reduced
Steigerwald, Gordon & Koch Inc.49$1.42K0.00%00.0%Unchanged
Wolverine Asset Management LLC53$1.53K0.00%−1,253−95.9%Reduced
Anchor Investment Management, LLC55$1.59K0.00%00.0%Unchanged
High Note Wealth, LLC60$1.73K0.00%−61−50.4%Reduced
JFS Wealth Advisors, LLC63$1.82K0.00%−52−45.2%Reduced
Strategic Wealth Partners, Ltd.72$2.08K0.00%−875−92.4%Reduced
Armstrong Advisory Group, Inc73$2.11K0.00%00.0%Unchanged
Rialto Wealth Management, LLC77$2.23K0.00%+36+87.8%Added
Cromwell Holdings LLC79$2.28K0.00%+36+83.7%Added
Prestige Wealth Management Group LLC80$2.31K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC83$2.40K0.00%+83New
Caitlin John, LLC101$2.93K0.00%00.0%Unchanged
Capital Analysts, LLC100$3.00K0.00%00.0%Unchanged
Ameriflex Group, Inc.105$3.03K0.00%+105New
Whittier Trust Co of Nevada Inc102$3.15K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.110$3.18K0.00%−17−13.4%Reduced
LRI Investments, LLC110$3.18K0.00%+110New
GWM Advisors LLC120$3.47K0.00%00.0%Unchanged
Bayban122$3.52K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC149$4.31K0.00%−67−31.0%Reduced
Synergy Investment Management, LLC151$4.55K0.00%+40+36.0%Added
Plato Investment Management Ltd190$5.46K0.00%+190New
Mather Group, LLC.208$6.01K0.00%+100+92.6%Added
Gunpowder Capital Management, LLC dba Oliver Wealth Management212$6.13K0.00%00.0%Unchanged
Westpac Banking Corp214$6.18K0.00%+214New
N.E.W. Advisory Services LLC215$6.21K0.00%00.0%Unchanged
Dogwood Wealth Management LLC220$6.36K0.00%+220New
Farmers & Merchants Investments Inc225$6.50K0.00%00.0%Unchanged
Dunhill Financial, LLC240$6.74K0.00%+38+18.8%Added
Westside Investment Management, Inc.239$6.90K0.00%00.0%Unchanged
Clal Insurance Enterprises Holdings Ltd238$7.00K0.00%−18−7.0%Reduced
Activest Wealth Management244$7.05K0.00%+104+74.3%Added
First Horizon Corp245$7.08K0.00%−205−45.6%Reduced
Mascoma Wealth Management LLC250$7.22K0.00%00.0%Unchanged
Rossby Financial, LCC260$7.51K0.00%−62−19.3%Reduced
Itau Unibanco Holding S.A.269$7.77K0.00%+93+52.8%Added
Elequin Capital LP270$7.80K0.00%+16+6.3%Added
Assetmark, Inc272$7.86K0.00%−4,425−94.2%Reduced
ZRC Wealth Management, LLC279$8.06K0.00%+253+973.1%Added
Silver Grove Financial Group, Inc.288$8.32K0.00%+288New
Kemnay Advisory Services Inc.290$8.38K0.00%−215−42.6%Reduced
Danske Bank A/S300$8.67K0.00%00.0%Unchanged
CX Institutional312$9.00K0.00%−682−68.6%Reduced
Highline Wealth Partners LLC328$9.48K0.00%+275+518.9%Added
Glen Eagle Advisors, LLC332$9.58K0.00%00.0%Unchanged
Maseco LLP352$10.2K0.00%+155+78.7%Added
Action Point Financial Planning, LLC360$10.3K0.00%+360New
Massmutual Trust Co FSB378$10.9K0.00%−1,547−80.4%Reduced
Rothschild Investment LLC386$11.2K0.00%−53−12.1%Reduced
CBIZ Investment Advisory Services, LLC402$12.1K0.00%00.0%Unchanged
Covestor Ltd439$13.0K0.01%+101+29.9%Added
TD Waterhouse Canada Inc.450$13.1K0.00%+200+80.0%Added
Smartleaf Asset Management LLC455$13.1K0.00%00.0%Unchanged
Guinness Asset Management LTD489$14.1K0.00%00.0%Unchanged
Rexford Capital Inc525$15.2K0.01%00.0%Unchanged
Manchester Capital Management LLC551$15.9K0.00%−245−30.8%Reduced
Quent Capital, LLC564$16.3K0.00%+496+729.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.585$16.9K0.00%00.0%Unchanged
Parkside Financial Bank & Trust620$17.9K0.00%−30−4.6%Reduced
Wilkerson Advisory Group LLC653$18.9K0.01%−91−12.2%Reduced
Essential Investment Partners LLC660$19.1K0.02%00.0%Unchanged
Copeland Capital Management, LLC670$19.4K0.00%−365,214−99.8%Reduced
True Wealth Design, LLC712$20.6K0.00%−163−18.6%Reduced
BFSG, LLC750$21.7K0.00%00.0%Unchanged
Financial Consulate, Inc775$22.4K0.00%00.0%Unchanged
SJS Investment Consulting Inc.861$24.9K0.00%−323−27.3%Reduced
Buck Wealth Strategies, LLC892$25.8K0.00%+892New