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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, 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
Sound Income Strategies, LLC290$44.1K0.00%00.0%Unchanged
Massmutual Trust Co FSB289$43.9K0.00%+67+30.2%Added
Penserra Capital Management LLC276$41.0K0.00%−347−55.7%Reduced
St Germain D J Co Inc245$37.2K0.00%+15+6.5%Added
Millburn Ridgefield Corp245$37.2K0.00%+245New
CWM, LLC236$36.0K0.00%−6−2.5%Reduced
Private Trust Co NA229$34.8K0.00%−18−7.3%Reduced
AdvisorNet Financial, Inc222$33.8K0.00%−1−0.4%Reduced
Brown Brothers Harriman & Co216$32.8K0.00%00.0%Unchanged
Denali Advisors LLC207$31.5K0.01%−1−0.5%Reduced
Farther Finance Advisors, LLC195$29.7K0.00%−46−19.1%Reduced
Baystate Wealth Management LLC192$29.2K0.00%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP180$27.4K0.00%00.0%Unchanged
Blue Bell Private Wealth Management, LLC180$27.4K0.01%00.0%Unchanged
Hantz Financial Services, Inc.142$22.0K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC135$19.6K0.01%+5+3.8%Added
Trust Co125$19.0K0.00%+125New
Plante Moran Financial Advisors, LLC119$18.1K0.00%00.0%Unchanged
Centerpoint Advisors, LLC116$18.0K0.01%−1−0.9%Reduced
1832 Asset Management L.P.118$17.9K0.00%−96−44.9%Reduced
Signaturefd, LLC111$16.9K0.00%+5+4.7%Added
LGT Financial Advisors LLC111$16.9K0.02%+111New
Quarry LP108$16.4K0.01%+108New
Householder Group Estate & Retirement Specialist, LLC104$15.8K0.01%+104New
Benjamin F. Edwards & Company, Inc.100$15.0K0.00%00.0%Unchanged
Covestor Ltd78$12.0K0.01%−367−82.5%Reduced
Itau Unibanco Holding S.A.70$10.6K0.00%+70New
Glen Eagle Advisors, LLC66$10.0K0.00%00.0%Unchanged
Creative Financial Designs Inc63$9.58K0.00%00.0%Unchanged
Lindbrook Capital, LLC63$9.58K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC62$9.43K0.00%00.0%Unchanged
Kelly Financial Services LLC59$8.98K0.00%+30+103.4%Added
SRS Capital Advisors, Inc.58$8.87K0.00%00.0%Unchanged
Cohen & Steers, Inc.54$8.00K0.00%+54New
Northwest Investment Counselors, LLC52$7.88K0.00%+52New
Sandy Spring Bank51$7.82K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC49$7.45K0.00%00.0%Unchanged
Tucker Asset Management LLC43$6.54K0.00%00.0%Unchanged
Allworth Financial LP40$6.08K0.00%−11−21.6%Reduced
VisionPoint Advisory Group, LLC38$5.78K0.00%+36+1,800.0%Added
Baker Avenue Asset Management, LP37$5.63K0.00%−14−27.5%Reduced
PFS Partners, LLC36$5.48K0.00%00.0%Unchanged
Sunbelt Securities, Inc.35$5.32K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC35$5.32K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC33$5.00K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.27$4.11K0.00%+27New
Whittier Trust Co of Nevada Inc27$4.10K0.00%00.0%Unchanged
Steward Financial Group LLC27$4.00K0.00%+27New
JFS Wealth Advisors, LLC24$3.65K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc22$3.35K0.00%−1−4.3%Reduced
EverSource Wealth Advisors, LLC21$3.19K0.00%00.0%Unchanged
Column Capital Advisors, LLC18$2.74K0.00%−2−10.0%Reduced
Glassman Wealth Services17$2.58K0.00%00.0%Unchanged
Beacon Capital Management, LLC14$2.29K0.00%00.0%Unchanged
Bourgeon Capital Management LLC15$2.28K0.00%00.0%Unchanged
JJJ Advisors Inc.14$2.13K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.14$2.12K0.00%−18−56.3%Reduced
Bell Investment Advisors, Inc12$1.82K0.00%−4−25.0%Reduced
Newbridge Financial Services Group, Inc.12$1.82K0.00%00.0%Unchanged
USA Financial Portformulas Corp11$1.67K0.00%00.0%Unchanged
SJS Investment Consulting Inc.9$1.37K0.00%+1+12.5%Added
Cornerstone Planning Group LLC9$1.37K0.00%−24−72.7%Reduced
RFP Financial Group LLC8$1.22K0.00%00.0%Unchanged
Parkside Financial Bank & Trust7$1.06K0.00%00.0%Unchanged
Financial Management Professionals, Inc.8$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC8$1.00K0.00%00.0%Unchanged
Avion Wealth11$1.00K0.00%+3+37.5%Added
Ronald Blue Trust, Inc.7$1.00K0.00%+7New
Archer Investment Corp5$7600.00%00.0%Unchanged
Versant Capital Management, Inc4$6080.00%00.0%Unchanged
Sofos Investments, Inc.0$30.00%−164−100.0%Reduced
Marshall Wace, LLP0$00.00%−34,259−100.0%Sold out
Kiwi Wealth Investments Limited Partnership0$00.00%−22,697−100.0%Sold out
Alps Advisors Inc0$00.00%−13,595−100.0%Sold out
La Banque Postale Asset Management SA0$00.00%−12,404−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−8,089−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−7,300−100.0%Sold out
Caldwell Investment Management Ltd.0$00.00%−6,900−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−4,068−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−3,400−100.0%Sold out
Caxton Associates LP0$00.00%−3,188−100.0%Sold out
Centiva Capital, LP0$00.00%−3,126−100.0%Sold out
AIA Group Ltd0$00.00%−2,968−100.0%Sold out
CM Wealth Advisors LLC0$00.00%−2,450−100.0%Sold out
Boulder Hill Capital Management LP0$00.00%−2,300−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−2,091−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−1,495−100.0%Sold out
Capula Management Ltd0$00.00%−1,480−100.0%Sold out
Cooper Financial Group0$00.00%−1,387−100.0%Sold out
Financial Network Wealth Management LLC0$00.00%−1,300−100.0%Sold out
FDx Advisors, Inc.0$00.00%−1,342−100.0%Sold out
Henshaw Capital LLC0$00.00%−1,304−100.0%Sold out
Cim Investment Mangement Inc0$00.00%−1,301−100.0%Sold out
Perigon Wealth Management, LLC0$00.00%−1,279−100.0%Sold out
Wellington Shields Capital Management, LLC0$00.00%−1,200−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,094−100.0%Sold out
Wellington Shields & Co., LLC0$00.00%−500−100.0%Sold out
Meitav Dash Investments Ltd0$00.00%−281−100.0%Sold out
Harbor Investment Advisory, LLC0$00.00%−201−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−146−100.0%Sold out