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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
Huntington National Bank871$132.4K0.00%−218−20.0%Reduced
TD Private Client Wealth LLC938$142.6K0.01%−110−10.5%Reduced
Blume Capital Management, Inc.950$144.4K0.04%00.0%Unchanged
Harbour Investments, Inc.967$147.0K0.01%−355−26.9%Reduced
First Manhattan Co985$149.7K0.00%+71+7.8%Added
GWM Advisors LLC1,310$199.2K0.00%00.0%Unchanged
International Assets Investment Management, LLC1,322$203.3K0.03%−6−0.5%Reduced
Great Diamond Partners, LLC1,339$203.6K0.06%−3−0.2%Reduced
GW Henssler & Associates Ltd1,342$204.0K0.01%+1,342New
Quantbot Technologies LP1,350$205.2K0.01%+1,350New
First National Advisers, LLC1,357$206.3K0.09%+1,357New
Prospera Financial Services Inc1,398$212.5K0.01%+1,398New
Oak Thistle LLC1,401$213.0K0.06%+1,401New
Evergreen Capital Management LLC1,404$213.5K0.01%+17+1.2%Added
Ellevest, Inc.1,405$213.6K0.02%+1,405New
Gitterman Wealth Management, LLC1,436$218.4K0.10%+48+3.5%Added
Profund Advisors LLC1,440$218.9K0.01%−203−12.4%Reduced
Private Advisor Group, LLC1,447$220.0K0.00%+1,447New
Palladiem, LLC1,453$220.9K0.24%00.0%Unchanged
CIBC Asset Management Inc1,454$221.1K0.00%00.0%Unchanged
Synovus Financial Corp1,477$224.5K0.00%−225−13.2%Reduced
Unigestion Holding SA1,478$224.7K0.01%−1,348−47.7%Reduced
Abbrea Capital, LLC1,480$225.0K0.04%00.0%Unchanged
Centurion Wealth Management LLC1,488$226.2K0.11%+1,488New
Philadelphia Trust Co1,500$228.0K0.02%00.0%Unchanged
Brown Advisory Inc1,525$231.8K0.00%00.0%Unchanged
We Are One Seven, LLC1,550$235.7K0.02%−84−5.1%Reduced
Eqis Capital Management, Inc.1,557$236.7K0.03%+1,557New
Colony Group LLC1,558$237.0K0.00%−11−0.7%Reduced
Kestra Advisory Services, LLC1,567$238.2K0.00%+236+17.7%Added
Intrust Bank NA1,616$245.7K0.03%00.0%Unchanged
Panagora Asset Management Inc1,621$246.4K0.00%00.0%Unchanged
Bayesian Capital Management, LP1,622$246.6K0.03%+387+31.3%Added
Fulton Bank, N.A.1,644$249.9K0.01%+223+15.7%Added
Global Retirement Partners, LLC1,627$250.2K0.01%+10+0.6%Added
Pitcairn Co1,680$255.4K0.02%+47+2.9%Added
Ameritas Advisory Services, LLC1,632$264.6K0.01%+41+2.6%Added
Fiduciary Trust Co1,765$268.3K0.00%−25−1.4%Reduced
Tower Research Capital LLC (TRC)1,803$274.1K0.01%−1,850−50.6%Reduced
Cambridge Investment Research Advisors, Inc.1,856$282.0K0.00%+134+7.8%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,944$296.0K0.00%00.0%Unchanged
J.W. Cole Advisors, Inc.1,961$298.1K0.02%−67−3.3%Reduced
Spire Wealth Management1,962$298.2K0.01%−18,166−90.3%Reduced
US Bancorp1,991$302.8K0.00%+294+17.3%Added
Personal Cfo Solutions, LLC2,004$304.8K0.06%+39+2.0%Added
Cornerstone Wealth Management, LLC2,057$312.6K0.03%+2,057New
Diversified Trust Co2,079$316.1K0.01%00.0%Unchanged
ELCO Management Co., LLC2,089$317.6K0.23%−238−10.2%Reduced
Courier Capital LLC2,114$321.4K0.03%+2,114New
Great Lakes Retirement, Inc.2,116$321.7K0.06%−231−9.8%Reduced
Petrus Trust Company, LTA2,154$327.5K0.04%+2,154New
Lindenwold Advisors2,233$339.5K0.21%+16+0.7%Added
BI Asset Management Fondsmaeglerselskab A/S2,295$349.0K0.01%+440+23.7%Added
Lido Advisors, LLC2,340$355.8K0.00%−32−1.3%Reduced
Aureus Asset Management, LLC2,413$366.8K0.03%+2,413New
Shelton Capital Management2,471$375.7K0.01%−153−5.8%Reduced
Park Avenue Securities LLC2,474$376.0K0.01%+2,474New
Advisory Services Network, LLC2,489$378.3K0.01%+331+15.3%Added
Fox Run Management, L.L.C.2,567$390.3K0.12%+2,567New
Sonen Capital LLC2,619$398.2K0.78%+457+21.1%Added
Jump Financial, LLC2,637$400.9K0.01%−3,648−58.0%Reduced
WR Wealth Planners, LLC2,650$402.9K0.15%+110+4.3%Added
Edgestream Partners, L.P.2,749$417.9K0.03%−22,582−89.1%Reduced
Capstone Investment Advisors, LLC2,862$435.1K0.01%+2,862New
ProShare Advisors LLC2,876$437.2K0.00%−234−7.5%Reduced
Northwestern Mutual Wealth Management Co2,885$438.6K0.00%−7−0.2%Reduced
Utah Retirement Systems2,920$443.9K0.01%+100+3.5%Added
State of Wyoming2,934$446.1K0.10%+2,055+233.8%Added
Arkadios Wealth Advisors2,986$453.9K0.04%−6−0.2%Reduced
Tocqueville Asset Management L.P.3,005$456.9K0.01%00.0%Unchanged
Compass Wealth Management LLC3,025$459.9K0.14%00.0%Unchanged
Sumitomo Life Insurance Co3,028$460.3K0.01%−128−4.1%Reduced
Rathbone Brothers plc3,050$463.7K0.00%00.0%Unchanged
Boothbay Fund Management, LLC3,071$466.9K0.02%+3,071New
Advisor Partners II, LLC3,127$475.4K0.02%+1,825+140.2%Added
Fred Alger Management, LLC3,183$483.9K0.00%−171−5.1%Reduced
PDT Partners, LLC3,211$488.2K0.06%+3,211New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main3,234$491.7K0.00%+572+21.5%Added
Pure Financial Advisors, Inc.3,278$498.3K0.02%+5+0.2%Added
Guinness Asset Management LTD3,332$506.8K0.01%+83+2.6%Added
Magnetar Financial LLC3,336$507.2K0.01%+3,336New
Coldstream Capital Management Inc3,341$508.0K0.02%−34−1.0%Reduced
AtonRa Partners3,389$515.2K1.08%−321−8.7%Reduced
Cresset Asset Management, LLC3,433$521.9K0.00%−276−7.4%Reduced
Financial Counselors Inc3,653$555.4K0.01%+1,035+39.5%Added
New Hampshire Trust3,653$555.4K0.15%+1,035+39.5%Added
Bessemer Group Inc3,775$574.0K0.00%−34−0.9%Reduced
Crossmark Global Holdings, Inc.3,739$603.0K0.01%−102−2.7%Reduced
XTX Topco Ltd3,999$608.0K0.10%+3,999New
Ethic Inc.4,006$609.0K0.02%+347+9.5%Added
Shell Asset Management Co4,011$610.0K0.03%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC4,021$611.3K0.00%+4,021New
Virtus Investment Advisers, Inc.4,086$621.2K0.42%00.0%Unchanged
Maryland State Retirement & Pension System4,100$623.3K0.01%00.0%Unchanged
Great Lakes Advisors, LLC4,159$632.3K0.01%−221−5.0%Reduced
M&T Bank Corp4,201$639.1K0.00%+25+0.6%Added
Cetera Advisor Networks LLC4,252$646.4K0.00%+125+3.0%Added
Portman Square Capital LLP4,270$649.2K0.09%+4,270New
Duality Advisers, LP4,284$651.3K0.08%+4,284New
Hunter Associates Investment Management LLC4,320$654.0K0.13%+86+2.0%Added