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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 2024

Institutional positions in Tetra Tech Inc as of Sep 30, 2024. 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
646
+53 vs. Q2 2024
Shares held
238.2M
+22.3M (+10.3%) vs. Q2 2024Converted for a 5-for-1 split
Total value
$11.2B
+$2.43B (+27.7%) vs. Q2 2024
New holders
95
189 more added
Sold out
42
234 more reduced

7 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 646 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 2024: $11.2B
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 2024

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2024.

Institutions holding TTEK in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Graham Capital Management, L.P.8,923$420.8K0.01%+2,708+43.6%AddedConverted for a 5-for-1 split
SG Americas Securities, LLC8,886$419.0K0.00%−29,909−77.1%ReducedConverted for a 5-for-1 split
Oak Ridge Investments LLC8,472$399.5K0.03%+8,472New
Harvest Fund Management Co., Ltd8,425$397.0K0.02%−940−10.0%ReducedConverted for a 5-for-1 split
Hilltop Holdings Inc.8,381$395.2K0.03%+8,381New
Insigneo Advisory Services, LLC8,317$392.2K0.04%00.0%UnchangedConverted for a 5-for-1 split
Virtus Investment Advisers, Inc.8,305$391.7K0.31%00.0%UnchangedConverted for a 5-for-1 split
Personal Cfo Solutions, LLC8,295$391.2K0.05%−1,105−11.8%ReducedConverted for a 5-for-1 split
CAPROCK Group, Inc.8,245$388.9K0.01%+785+10.5%AddedConverted for a 5-for-1 split
Resources Investment Advisors, LLC.8,184$385.9K0.00%−1,206−12.8%ReducedConverted for a 5-for-1 split
Phoenix Holdings Ltd.8,094$382.5K0.01%−556−6.4%ReducedConverted for a 5-for-1 split
Global Retirement Partners, LLC8,082$381.1K0.01%+722+9.8%AddedConverted for a 5-for-1 split
Gitterman Wealth Management, LLC7,969$375.8K0.16%−721−8.3%ReducedConverted for a 5-for-1 split
CIBC Asset Management Inc7,880$371.6K0.00%+260+3.4%AddedConverted for a 5-for-1 split
Nomura Holdings Inc7,871$371.2K0.00%+1,226+18.4%AddedConverted for a 5-for-1 split
State of Wyoming7,835$369.5K0.05%+560+7.7%AddedConverted for a 5-for-1 split
Cynosure Management, LLC7,735$364.8K0.05%+7,735New
Profund Advisors LLC7,710$363.6K0.01%−45−0.6%ReducedConverted for a 5-for-1 split
Gsa Capital Partners LLP7,640$360.0K0.03%−14,600−65.6%ReducedConverted for a 5-for-1 split
Yarbrough Capital, LLC7,525$354.9K0.01%00.0%UnchangedConverted for a 5-for-1 split
Philadelphia Trust Co7,500$354.0K0.03%00.0%UnchangedConverted for a 5-for-1 split
CSS LLC7,500$353.7K0.02%+7,500New
Artemis Investment Management LLP7,432$350.5K0.01%−3,283−30.6%ReducedConverted for a 5-for-1 split
New England Professional Planning Group Inc.7,415$349.7K0.17%00.0%UnchangedConverted for a 5-for-1 split
AE Wealth Management LLC7,404$349.1K0.00%−33,996−82.1%ReducedConverted for a 5-for-1 split
PFG Advisors7,380$348.0K0.02%+7,380New
Synovus Financial Corp7,335$345.9K0.00%00.0%UnchangedConverted for a 5-for-1 split
Ameritas Advisory Services, LLC7,289$343.8K0.01%00.0%UnchangedConverted for a 5-for-1 split
Radnor Capital Management, LLC7,175$338.0K0.05%+7,175New
Clear Creek Financial Management, LLC7,162$337.8K0.04%+232+3.3%AddedConverted for a 5-for-1 split
Atria Investments LLC7,114$335.5K0.00%−1,316−15.6%ReducedConverted for a 5-for-1 split
City Center Advisors, LLC7,103$335.0K0.37%+7,103New
Private Advisor Group, LLC7,092$334.5K0.00%−58−0.8%ReducedConverted for a 5-for-1 split
Verdence Capital Advisors LLC6,937$327.2K0.03%+402+6.2%AddedConverted for a 5-for-1 split
KBC Group NV6,900$325.0K0.00%+595+9.4%AddedConverted for a 5-for-1 split
Kestra Advisory Services, LLC6,813$321.3K0.00%−3,122−31.4%ReducedConverted for a 5-for-1 split
Pitcairn Co6,796$320.5K0.02%−2,039−23.1%ReducedConverted for a 5-for-1 split
Seeds Investor LLC6,772$319.4K0.12%+1,242+22.5%AddedConverted for a 5-for-1 split
Buckingham Strategic Partners6,652$313.7K0.01%+37+0.6%AddedConverted for a 5-for-1 split
Clearstead Advisors, LLC6,650$313.6K0.00%−1,030−13.4%ReducedConverted for a 5-for-1 split
Concurrent Investment Advisors, LLC6,630$312.7K0.01%−205−3.0%ReducedConverted for a 5-for-1 split
Ballentine Partners, LLC6,620$312.2K0.01%+870+15.1%AddedConverted for a 5-for-1 split
Meiji Yasuda Asset Management Co Ltd.6,582$310.4K0.01%−158−2.3%ReducedConverted for a 5-for-1 split
Intrust Bank NA6,580$310.3K0.03%00.0%UnchangedConverted for a 5-for-1 split
ELCO Management Co., LLC6,565$309.6K0.17%00.0%UnchangedConverted for a 5-for-1 split
Canada Pension Plan Investment Board6,500$306.5K0.00%+3,500+116.7%AddedConverted for a 5-for-1 split
Fulton Bank, N.A.6,460$304.7K0.01%−610−8.6%ReducedConverted for a 5-for-1 split
Wetherby Asset Management Inc6,405$302.1K0.01%+1,210+23.3%AddedConverted for a 5-for-1 split
Panagora Asset Management Inc6,350$299.5K0.00%00.0%UnchangedConverted for a 5-for-1 split
TownSquare Capital, LLC6,327$298.4K0.00%+367+6.2%AddedConverted for a 5-for-1 split
CIBC World Markets Inc.6,320$298.0K0.00%+6,320New
Wormser Freres Gestion6,305$296.7K0.18%00.0%UnchangedConverted for a 5-for-1 split
Financial Network Wealth Management LLC6,280$296.0K0.11%00.0%UnchangedConverted for a 5-for-1 split
Prime Capital Investment Advisors, LLC6,265$295.5K0.00%+305+5.1%AddedConverted for a 5-for-1 split
Ritholtz Wealth Management6,227$293.7K0.01%+6,227New
Rafferty Asset Management, LLC6,167$290.8K0.00%−413−6.3%ReducedConverted for a 5-for-1 split
Walleye Capital LLC6,096$287.5K0.00%−15,264−71.5%ReducedConverted for a 5-for-1 split
Machina Capital S.A.S.6,091$287.3K0.11%+6,091New
Virtu Financial LLC6,047$285.0K0.02%+6,047New
Focus Financial Network, Inc.6,010$283.4K0.01%00.0%UnchangedConverted for a 5-for-1 split
Argent Trust Co5,885$277.5K0.01%00.0%UnchangedConverted for a 5-for-1 split
Wisconsin Capital Management LLC5,825$274.7K0.14%00.0%UnchangedConverted for a 5-for-1 split
Paloma Partners Management Co5,756$271.5K0.01%+5,756New
Kestra Private Wealth Services, LLC5,744$270.9K0.00%−116−2.0%ReducedConverted for a 5-for-1 split
Pensionmark Financial Group, LLC5,680$267.9K0.01%−70−1.2%ReducedConverted for a 5-for-1 split
Dark Forest Capital Management LP5,675$267.6K0.03%−1,425−20.1%ReducedConverted for a 5-for-1 split
Verition Fund Management LLC5,660$266.9K0.00%−34,005−85.7%ReducedConverted for a 5-for-1 split
Fifth Third Bancorp5,603$264.2K0.00%−72−1.3%ReducedConverted for a 5-for-1 split
Wealth Advisory Solutions, LLC5,520$260.3K0.07%+5,520New
Bath Savings Trust Co5,480$258.4K0.03%00.0%UnchangedConverted for a 5-for-1 split
HTLF Bank5,275$248.8K0.03%−375−6.6%ReducedConverted for a 5-for-1 split
Cim Investment Mangement Inc5,255$247.8K0.07%00.0%UnchangedConverted for a 5-for-1 split
Sapient Capital LLC5,220$246.2K0.00%+5,220New
Ellevest, Inc.5,184$244.5K0.01%−1,281−19.8%ReducedConverted for a 5-for-1 split
Quarry LP5,183$244.4K0.07%+3,863+292.7%AddedConverted for a 5-for-1 split
Dorsey & Whitney Trust CO LLC5,164$243.5K0.01%+5,164New
Exchange Traded Concepts, LLC5,098$240.4K0.01%−44,812−89.8%ReducedConverted for a 5-for-1 split
Capstone Capital Wealth Advisors5,075$239.3K0.20%00.0%UnchangedConverted for a 5-for-1 split
Forum Financial Management, LP5,045$237.9K0.00%00.0%UnchangedConverted for a 5-for-1 split
Steward Partners Investment Advisory, LLC5,025$237.0K0.00%−780−13.4%ReducedConverted for a 5-for-1 split
Hamilton Point Investment Advisors, LLC5,010$236.3K0.04%00.0%UnchangedConverted for a 5-for-1 split
Busey Wealth Management5,007$236.1K0.01%00.0%UnchangedConverted for a 5-for-1 split
Harbour Investments, Inc.5,003$235.9K0.01%+33+0.7%AddedConverted for a 5-for-1 split
Burt Wealth Advisors5,000$235.8K0.06%00.0%UnchangedConverted for a 5-for-1 split
Keebeck Wealth Management, LLC5,000$235.8K0.03%00.0%UnchangedConverted for a 5-for-1 split
Sumitomo Mitsui Trust Holdings, Inc.5,000$235.8K0.00%+5,000New
GYL Financial Synergies, LLC4,990$235.3K0.02%−150−2.9%ReducedConverted for a 5-for-1 split
GeoWealth Management, LLC4,900$231.1K0.01%+4,900New
IFP Advisors, Inc4,798$226.3K0.01%+48+1.0%AddedConverted for a 5-for-1 split
Abich Financial Wealth Management LLC4,765$224.7K0.50%−4,025−45.8%ReducedConverted for a 5-for-1 split
Keebeck Alpha, LP4,734$223.3K0.15%+4,734New
Assetmark, Inc4,729$223.0K0.00%+759+19.1%AddedConverted for a 5-for-1 split
Claret Asset Management Corp4,645$219.0K0.04%+4,645New
Checchi Capital Advisers, LLC4,635$218.6K0.02%+4,635New
Veriti Management LLC4,628$218.3K0.01%+4,628New
Greenleaf Trust4,607$217.3K0.00%+4,607New
Journey Strategic Wealth LLC4,600$216.9K0.01%+4,600New
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors4,596$216.8K0.03%+4,596New
First Manhattan Co4,570$215.5K0.00%+4,570New
TD Private Client Wealth LLC4,553$214.7K0.01%+43+1.0%AddedConverted for a 5-for-1 split