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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
Brown Advisory Inc9,374$337.1K0.00%−638−6.4%Reduced
Trium Capital LLP9,484$341.0K0.08%+9,484New
Versant Capital Management, Inc9,792$352.1K0.05%+6,514+198.7%Added
Trust Point Inc.9,998$359.5K0.03%−4,455−30.8%Reduced
IFP Advisors, Inc9,956$361.2K0.01%+494+5.2%Added
Diversified Trust Co10,222$367.6K0.01%+91+0.9%Added
Lindenwold Advisors10,302$370.5K0.19%−52−0.5%Reduced
Resona Asset Management Co.,Ltd.10,460$373.6K0.00%+1,464+16.3%Added
We Are One Seven, LLC10,723$385.6K0.01%+157+1.5%Added
Semanteon Capital Management, LP10,775$387.5K0.58%−38,293−78.0%Reduced
Wetherby Asset Management Inc10,879$391.2K0.02%+10,879New
Gsa Capital Partners LLP11,095$399.0K0.03%+11,095New
Dynamic Advisor Solutions LLC11,112$399.6K0.01%+11,112New
Wormser Freres Gestion11,270$405.1K0.24%+6,587+140.7%Added
Petrus Trust Company, LTA11,435$411.2K0.04%−14,637−56.1%Reduced
Groupe la Francaise11,500$411.7K0.01%+11,500New
North Star Asset Management Inc11,500$413.5K0.02%+11,500New
Fred Alger Management, LLC11,552$415.4K0.00%+11,552New
ProShare Advisors LLC11,684$420.2K0.00%+285+2.5%Added
American Century Companies Inc11,840$425.8K0.00%+116+1.0%Added
RWC Asset Management LLP11,931$429.0K0.02%+11,931New
Aureus Asset Management, LLC12,065$433.9K0.03%00.0%Unchanged
Advisory Services Network, LLC11,840$435.0K0.01%+2,630+28.6%Added
Cynosure Management, LLC12,132$436.3K0.05%−73,647−85.9%Reduced
Alps Advisors Inc12,132$436.3K0.00%+12,132New
Huntington National Bank12,182$438.1K0.00%+786+6.9%Added
Chicago Partners Investment Group LLC11,454$439.1K0.01%+11,454New
Hilltop Holdings Inc.12,373$444.9K0.03%+1,152+10.3%Added
Maryland State Retirement & Pension System12,454$447.8K0.01%00.0%Unchanged
Colony Group, LLC12,480$448.8K0.00%+3,648+41.3%Added
Evergreen Capital Management LLC12,490$449.1K0.01%+851+7.3%Added
Bank Julius Baer & Co. Ltd, Zurich12,500$449.5K0.00%00.0%Unchanged
Shelton Capital Management12,539$450.9K0.01%00.0%Unchanged
Maridea Wealth Management LLC12,556$451.5K0.12%+12,556New
Clear Creek Financial Management, LLC12,609$453.4K0.04%+2,121+20.2%Added
Elo Mutual Pension Insurance Co12,718$457.3K0.01%−14,736−53.7%Reduced
HighPoint Advisor Group LLC12,953$465.8K0.02%−69−0.5%Reduced
J.W. Cole Advisors, Inc.13,216$475.3K0.01%+71+0.5%Added
Avantax Advisory Services, Inc.13,249$476.4K0.00%−646−4.6%Reduced
SWP Financial LLC14,075$506.1K0.28%00.0%Unchanged
Inscription Capital, LLC14,087$506.6K0.07%+14,087New
Utah Retirement Systems14,116$507.6K0.01%−284−2.0%Reduced
Wiley Bros.-Aintree Capital, LLC14,211$511.5K0.00%+4,500+46.3%Added
Sterling Capital Management LLC14,276$513.4K0.01%+2,459+20.8%Added
New England Research & Management, Inc.14,525$522.0K0.25%−50−0.3%Reduced
Snowden Capital Advisors LLC14,673$527.6K0.02%−789−5.1%Reduced
Janney Montgomery Scott LLC14,977$539.0K0.00%−228−1.5%Reduced
Tocqueville Asset Management L.P.15,025$540.3K0.01%00.0%Unchanged
Compass Wealth Management LLC15,125$543.9K0.13%00.0%Unchanged
ELCO Management Co., LLC15,260$548.8K0.29%+5,271+52.8%Added
Define Financial, LLC15,303$550.3K0.36%+4,940+47.7%Added
Novem Group15,427$554.7K0.07%+754+5.1%Added
New Hampshire Trust15,765$566.9K0.12%00.0%Unchanged
Midwest Trust Co15,765$566.9K0.01%+15,765New
Portman Square Capital LLP15,969$574.2K0.06%−965−5.7%Reduced
Virginia Retirement Systems Et Al16,700$600.5K0.00%−7,300−30.4%Reduced
Nwam LLC16,477$605.4K0.04%+66+0.4%Added
Equitable Trust Co16,898$607.7K0.03%+495+3.0%Added
Pure Financial Advisors, Inc.17,022$612.1K0.01%+261+1.6%Added
Advisor Group Holdings, Inc.17,350$612.9K0.00%−3,154−15.4%Reduced
First Business Financial Services, Inc.17,555$631.3K0.06%00.0%Unchanged
Ballentine Partners, LLC17,730$637.6K0.01%+10,883+158.9%Added
Alamea Verwaltungs GmbH17,765$638.8K0.48%+2,652+17.5%Added
First National Advisers, LLC17,819$640.8K0.09%+1,052+6.3%Added
Y-Intercept (Hong Kong) Ltd18,084$650.3K0.02%−39,444−68.6%Reduced
111 Capital18,106$651.1K0.11%+18,106New
Ledyard National Bank18,177$653.6K0.06%−891−4.7%Reduced
Sanctuary Advisors, LLC18,222$655.3K0.00%+994+5.8%Added
US Bancorp18,326$659.0K0.00%+299+1.7%Added
Tower Research Capital LLC (TRC)18,340$659.5K0.02%+10,378+130.3%Added
Gitterman Wealth Management, LLC18,457$663.7K0.15%+1,632+9.7%Added
Argent Trust Co18,585$668.3K0.03%−621−3.2%Reduced
Northwestern Mutual Wealth Management Co19,405$697.8K0.00%+5,457+39.1%Added
Evexia Wealth LLC18,340$700.0K0.22%+4,280+30.4%Added
First Pacific Financial19,555$703.2K0.10%−1,468−7.0%Reduced
U.S. Capital Wealth Advisors, LLC19,818$712.7K0.02%+19,818New
SG Americas Securities, LLC19,873$715.0K0.00%−26,533−57.2%Reduced
Great Lakes Advisors, LLC19,900$715.6K0.01%−137−0.7%Reduced
Securian Asset Management, Inc20,067$721.6K0.02%−290−1.4%Reduced
Financiere des Professionnels - Fonds d,investissement inc.20,880$750.8K0.05%+20,880New
Syon Capital LLC21,217$763.0K0.05%+21,217New
Crossmark Global Holdings, Inc.21,225$763.3K0.01%+298+1.4%Added
First Wilshire Securities Management Inc21,500$773.1K0.21%00.0%Unchanged
Patten Group, Inc.21,616$777.3K0.16%+503+2.4%Added
Hantz Financial Services, Inc.21,670$779.0K0.01%+1,267+6.2%Added
Wealth Enhancement Advisory Services, LLC21,699$794.2K0.00%+2,547+13.3%Added
The PNC Financial Services Group, Inc.22,189$797.9K0.00%−1,044−4.5%Reduced
Arkadios Wealth Advisors22,247$800.0K0.02%+933+4.4%Added
Cullen Capital Management LLC22,441$807.0K0.01%+8,084+56.3%Added
Manchester Capital Management LLC23,165$833.0K0.11%−100.0%Reduced
Groupama Asset Managment–$845.2K0.01%––
Commonwealth Equity Services, LLC23,522$846.0K0.00%−584−2.4%Reduced
Harbour Investments, Inc.23,658$850.7K0.02%+189+0.8%Added
Coldstream Capital Management Inc24,076$865.8K0.01%+903+3.9%Added
Quadrant Capital Group LLC25,030$900.1K0.03%+17,174+218.6%Added
Caption Management, LLC25,279$909.0K0.08%+25,279New
Lazard Freres Gestion S.A.S.25,830$928.0K0.02%+8,500+49.0%Added
Sumitomo Mitsui DS Asset Management Company, Ltd25,915$931.9K0.01%−55,465−68.2%Reduced
Rathbone Brothers plc26,240$943.6K0.00%−1,550−5.6%Reduced
One Capital Management, LLC26,517$953.6K0.03%+26,517New