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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
Geneos Wealth Management Inc.1,433$51.5K0.00%+130+10.0%Added
Ronald Blue Trust, Inc.1,612$58.0K0.00%−81−4.8%Reduced
Atticus Wealth Management, LLC1,680$60.4K0.02%00.0%Unchanged
Capital Advisors, Ltd. LLC1,715$62.0K0.01%−12−0.7%Reduced
Allworth Financial LP1,771$63.7K0.00%+1,051+146.0%Added
Jones Financial Companies LLLP1,798$64.1K0.00%+98+5.8%Added
Leonteq Securities AG1,842$66.2K0.00%−874−32.2%Reduced
EverSource Wealth Advisors, LLC1,855$66.7K0.00%+1,638+754.8%Added
Central Trust Co1,875$67.4K0.00%00.0%Unchanged
Skopos Labs, Inc.1,878$67.5K0.01%+1,674+820.6%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA1,880$67.6K0.02%−700−27.1%Reduced
Massmutual Trust Co FSB2,062$74.2K0.00%+377+22.4%Added
CVA Family Office, LLC2,220$79.8K0.01%+2,220New
Harvest Fund Management Co., Ltd2,430$88.0K0.00%+1,870+333.9%Added
Bokf, NA2,500$89.9K0.00%00.0%Unchanged
Globeflex Capital L P2,500$89.9K0.01%00.0%Unchanged
TD Private Client Wealth LLC2,586$93.0K0.00%+29+1.1%Added
Canada Pension Plan Investment Board2,600$93.5K0.00%+149+6.1%Added
Danske Bank A/S3,005$108.1K0.00%−22,577−88.3%Reduced
Cullen/Frost Bankers, Inc.3,059$110.0K0.00%+724+31.0%Added
First Horizon Advisors, Inc.3,207$115.3K0.00%+1,149+55.8%Added
GeoWealth Management, LLC3,390$121.9K0.00%−1,038−23.4%Reduced
Albion Financial Group3,625$130.4K0.01%00.0%Unchanged
Farther Finance Advisors, LLC3,639$130.8K0.00%−49−1.3%Reduced
Brown Brothers Harriman & Co3,773$135.7K0.00%+2,693+249.4%Added
Strategic Wealth Partners, Ltd.3,781$136.0K0.01%+3,781New
BI Asset Management Fondsmaeglerselskab A/S3,792$136.0K0.00%−5,834−60.6%Reduced
Umb Bank N A3,920$141.0K0.00%+1,029+35.6%Added
State of Wyoming3,991$143.5K0.02%−7,648−65.7%Reduced
Quantbot Technologies LP4,019$144.5K0.00%−74,390−94.9%Reduced
Clear Street Markets LLC4,094$147.2K0.05%+4,094New
Aster Capital Management (DIFC) Ltd4,200$151.0K0.03%−6,882−62.1%Reduced
Blume Capital Management, Inc.4,375$157.3K0.03%−122−2.7%Reduced
Parallel Advisors, LLC4,408$158.5K0.00%+1,231+38.7%Added
Assetmark, Inc4,595$165.2K0.00%+144+3.2%Added
Clearstead Advisors, LLC4,692$168.7K0.00%+2,659+130.8%Added
Quarry LP4,865$174.9K0.04%+2,781+133.4%Added
Steward Partners Investment Advisory, LLC4,996$179.7K0.00%+315+6.7%Added
Fifth Third Bancorp5,122$184.2K0.00%−229−4.3%Reduced
Signaturefd, LLC5,175$186.1K0.00%+1,961+61.0%Added
Covestor Ltd5,437$196.0K0.12%+613+12.7%Added
SRS Capital Advisors, Inc.5,489$197.4K0.01%−1,255−18.6%Reduced
Quest Partners LLC5,624$202.2K0.02%−3,239−36.5%Reduced
Journey Strategic Wealth LLC5,642$202.9K0.01%+5,642New
CWM, LLC5,678$204.0K0.00%+1,264+28.6%Added
Forum Financial Management, LP5,805$208.7K0.00%+5,805New
Wisconsin Capital Management LLC5,825$209.5K0.12%+5,825New
Phoenix Holdings Ltd.5,842$209.9K0.00%+5,842New
Stephens Inc5,853$210.5K0.00%+5,853New
Focus Financial Network, Inc.5,950$214.0K0.01%+5,950New
TCG Advisory Services, LLC5,961$214.4K0.01%+5,961New
Optas, LLC5,965$214.5K0.04%+5,965New
Kovitz Investment Group Partners, LLC5,985$215.2K0.00%+5,985New
Spire Wealth Management5,994$215.6K0.01%−4,651−43.7%Reduced
Oppenheimer Asset Management Inc.6,042$217.3K0.00%+6,042New
Glenmede Investment Management, LP6,092$219.1K0.00%+6,092New
GAMMA Investing LLC6,096$219.2K0.01%+3,128+105.4%Added
Profund Advisors LLC6,105$219.5K0.01%+6,105New
Buckingham Strategic Partners6,141$220.8K0.00%+6,141New
Pitcairn Co6,150$221.2K0.01%+6,150New
Applied Finance Capital Management, LLC6,273$225.6K0.02%+6,273New
Savant Capital, LLC6,276$225.7K0.00%+6,276New
HB Wealth Management, LLC6,285$226.0K0.00%−3,371−34.9%Reduced
Panagora Asset Management Inc6,350$228.3K0.00%+6,350New
Meiji Yasuda Asset Management Co Ltd.6,352$228.4K0.01%+6,352New
STRS Ohio6,383$229.5K0.00%+6,383New
Fulton Bank, N.A.6,408$230.4K0.01%+6,408New
Claret Asset Management Corp6,525$235.0K0.03%+6,525New
Vestmark Advisory Solutions, Inc.6,631$238.5K0.00%+6,631New
Graham Capital Management, L.P.6,669$239.8K0.01%−43,462−86.7%Reduced
KBC Group NV6,816$245.0K0.00%−5,132−43.0%Reduced
Modern Wealth Management, LLC6,961$250.3K0.01%+6,961New
Whalen Wealth Management Inc.7,001$251.8K0.16%+7,001New
RSM US Wealth Management LLC7,109$255.6K0.00%+7,109New
Kestra Advisory Services, LLC7,133$256.5K0.00%+7,133New
Cresset Asset Management, LLC7,161$257.5K0.00%+7,161New
Global Retirement Partners, LLC7,293$262.2K0.01%+7,293New
Synovus Financial Corp7,305$262.7K0.00%00.0%Unchanged
New England Professional Planning Group Inc.7,415$266.6K0.12%00.0%Unchanged
Fiduciary Trust Co7,463$268.4K0.00%00.0%Unchanged
Philadelphia Trust Co7,500$270.0K0.02%00.0%Unchanged
Guggenheim Capital LLC7,662$275.5K0.00%−667−8.0%Reduced
Compagnie Lombard Odier SCmA7,800$280.5K0.00%+7,800New
Baker Avenue Asset Management, LP7,889$283.7K0.01%+7,889New
Transcend Wealth Collective, LLC7,951$285.9K0.02%+7,951New
Aaron Wealth Advisors8,057$289.7K0.03%+8,057New
NewEdge Wealth, LLC7,821$291.3K0.00%+7,821New
Park Avenue Securities LLC8,145$293.0K0.00%−401−4.7%Reduced
Personal Cfo Solutions, LLC8,154$293.2K0.05%−88−1.1%Reduced
Boothbay Fund Management, LLC8,165$293.6K0.01%+8,165New
Verdence Capital Advisors LLC8,195$294.7K0.02%+434+5.6%Added
Oak Ridge Investments LLC8,215$295.4K0.02%00.0%Unchanged
CIBC Asset Management Inc8,488$305.2K0.00%00.0%Unchanged
Fifth Third Wealth Advisors LLC8,610$309.6K0.01%−457−5.0%Reduced
Insigneo Advisory Services, LLC8,639$310.7K0.03%−47−0.5%Reduced
Resources Investment Advisors, LLC.8,834$317.7K0.00%−432−4.7%Reduced
Merit Financial Group, LLC8,889$319.6K0.00%+893+11.2%Added
Vident Advisory, LLC8,924$320.9K0.00%+1,878+26.7%Added
AE Wealth Management LLC9,121$328.0K0.00%−851−8.5%Reduced
Everence Capital Management Inc9,380$337.0K0.02%−2,520−21.2%Reduced