Skip to main content
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
ELCO Management Co., LLC6,565$309.6K0.17%00.0%UnchangedConverted for a 5-for-1 split
Intrust Bank NA6,580$310.3K0.03%00.0%UnchangedConverted 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
Ballentine Partners, LLC6,620$312.2K0.01%+870+15.1%AddedConverted for a 5-for-1 split
Concurrent Investment Advisors, LLC6,630$312.7K0.01%−205−3.0%ReducedConverted for a 5-for-1 split
Clearstead Advisors, LLC6,650$313.6K0.00%−1,030−13.4%ReducedConverted for a 5-for-1 split
Buckingham Strategic Partners6,652$313.7K0.01%+37+0.6%AddedConverted for a 5-for-1 split
Seeds Investor LLC6,772$319.4K0.12%+1,242+22.5%AddedConverted for a 5-for-1 split
Pitcairn Co6,796$320.5K0.02%−2,039−23.1%ReducedConverted 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
KBC Group NV6,900$325.0K0.00%+595+9.4%AddedConverted for a 5-for-1 split
Verdence Capital Advisors LLC6,937$327.2K0.03%+402+6.2%AddedConverted for a 5-for-1 split
Private Advisor Group, LLC7,092$334.5K0.00%−58−0.8%ReducedConverted for a 5-for-1 split
City Center Advisors, LLC7,103$335.0K0.37%+7,103New
Atria Investments LLC7,114$335.5K0.00%−1,316−15.6%ReducedConverted for a 5-for-1 split
Clear Creek Financial Management, LLC7,162$337.8K0.04%+232+3.3%AddedConverted for a 5-for-1 split
Radnor Capital Management, LLC7,175$338.0K0.05%+7,175New
Ameritas Advisory Services, LLC7,289$343.8K0.01%00.0%UnchangedConverted for a 5-for-1 split
Synovus Financial Corp7,335$345.9K0.00%00.0%UnchangedConverted for a 5-for-1 split
PFG Advisors7,380$348.0K0.02%+7,380New
AE Wealth Management LLC7,404$349.1K0.00%−33,996−82.1%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
Artemis Investment Management LLP7,432$350.5K0.01%−3,283−30.6%ReducedConverted for a 5-for-1 split
CSS LLC7,500$353.7K0.02%+7,500New
Philadelphia Trust Co7,500$354.0K0.03%00.0%UnchangedConverted for a 5-for-1 split
Yarbrough Capital, LLC7,525$354.9K0.01%00.0%UnchangedConverted 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
Profund Advisors LLC7,710$363.6K0.01%−45−0.6%ReducedConverted for a 5-for-1 split
Cynosure Management, LLC7,735$364.8K0.05%+7,735New
State of Wyoming7,835$369.5K0.05%+560+7.7%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
CIBC Asset Management Inc7,880$371.6K0.00%+260+3.4%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
Global Retirement Partners, LLC8,082$381.1K0.01%+722+9.8%AddedConverted for a 5-for-1 split
Phoenix Holdings Ltd.8,094$382.5K0.01%−556−6.4%ReducedConverted 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
CAPROCK Group, Inc.8,245$388.9K0.01%+785+10.5%AddedConverted 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
Virtus Investment Advisers, Inc.8,305$391.7K0.31%00.0%UnchangedConverted for a 5-for-1 split
Insigneo Advisory Services, LLC8,317$392.2K0.04%00.0%UnchangedConverted for a 5-for-1 split
Hilltop Holdings Inc.8,381$395.2K0.03%+8,381New
Harvest Fund Management Co., Ltd8,425$397.0K0.02%−940−10.0%ReducedConverted for a 5-for-1 split
Oak Ridge Investments LLC8,472$399.5K0.03%+8,472New
SG Americas Securities, LLC8,886$419.0K0.00%−29,909−77.1%ReducedConverted for a 5-for-1 split
Graham Capital Management, L.P.8,923$420.8K0.01%+2,708+43.6%AddedConverted for a 5-for-1 split
RSM US Wealth Management LLC9,025$424.6K0.01%+9,025New
Advisory Services Network, LLC2,078$424.9K0.01%−8,312−80.0%ReducedConverted for a 5-for-1 split
Sterling Capital Management LLC9,015$425.1K0.01%+9,015New
Park Avenue Securities LLC9,032$426.0K0.00%−3,173−26.0%ReducedConverted for a 5-for-1 split
Vestmark Advisory Solutions, Inc.9,034$426.0K0.02%+9,034New
Fifth Third Wealth Advisors LLC9,140$431.0K0.03%+65+0.7%AddedConverted for a 5-for-1 split
Point72 Asia (Singapore) Pte. Ltd.9,146$431.3K0.08%+3,946+75.9%AddedConverted for a 5-for-1 split
Trium Capital LLP9,180$433.0K0.20%+9,180New
Fiduciary Trust Co9,190$433.4K0.01%00.0%UnchangedConverted for a 5-for-1 split
Wiley Bros.-Aintree Capital, LLC10,241$436.9K0.01%+4,846+89.8%AddedConverted for a 5-for-1 split
Quest Partners LLC9,379$442.3K0.04%−5,656−37.6%ReducedConverted for a 5-for-1 split
Colony Group, LLC9,381$442.5K0.00%−334−3.4%ReducedConverted for a 5-for-1 split
PDT Partners, LLC9,721$458.4K0.04%+9,721New
Brown Advisory Inc9,735$459.1K0.00%−1,195−10.9%ReducedConverted for a 5-for-1 split
J.W. Cole Advisors, Inc.9,810$462.7K0.02%−110−1.1%ReducedConverted for a 5-for-1 split
BI Asset Management Fondsmaeglerselskab A/S9,843$464.0K0.01%−4,492−31.3%ReducedConverted for a 5-for-1 split
Navellier & Associates Inc9,960$469.7K0.06%−3,135−23.9%ReducedConverted for a 5-for-1 split
Franklin Resources Inc9,621$471.5K0.00%00.0%UnchangedConverted for a 5-for-1 split
Resona Asset Management Co.,Ltd.10,130$472.0K0.00%−1,625−13.8%ReducedConverted for a 5-for-1 split
Petrus Trust Company, LTA10,079$475.3K0.05%+2,789+38.3%AddedConverted for a 5-for-1 split
nVerses Capital, LLC10,100$476.3K0.22%+10,100New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.10,105$477.0K0.00%00.0%UnchangedConverted for a 5-for-1 split
Legacy Capital Wealth Partners, LLC10,269$484.3K0.10%+5,289+106.2%AddedConverted for a 5-for-1 split
Diversified Trust Co10,465$493.5K0.01%−65−0.6%ReducedConverted for a 5-for-1 split
We Are One Seven, LLC10,496$495.0K0.02%+166+1.6%AddedConverted for a 5-for-1 split
Courier Capital LLC10,570$498.5K0.03%00.0%UnchangedConverted for a 5-for-1 split
XTX Topco Ltd10,796$509.1K0.04%+10,796New
Lindenwold Advisors10,985$518.1K0.26%+335+3.1%AddedConverted for a 5-for-1 split
Cullen Capital Management LLC11,019$519.7K0.01%−2,591−19.0%ReducedConverted for a 5-for-1 split
Bryn Mawr Trust Co11,061$521.6K0.01%+11,061New
Glenmede Trust Co NA11,604$547.2K0.00%+109+0.9%AddedConverted for a 5-for-1 split
ProShare Advisors LLC11,660$549.9K0.00%−955−7.6%ReducedConverted for a 5-for-1 split
CenterBook Partners LP11,683$551.0K0.03%−40,777−77.7%ReducedConverted for a 5-for-1 split
Toroso Investments, LLC11,722$552.8K0.01%−6,218−34.7%ReducedConverted for a 5-for-1 split
First Western Trust Bank11,770$555.1K0.02%−1,065−8.3%ReducedConverted for a 5-for-1 split
Lido Advisors, LLC11,795$556.3K0.00%00.0%UnchangedConverted for a 5-for-1 split
Evergreen Capital Management LLC11,928$562.5K0.02%+1,778+17.5%AddedConverted for a 5-for-1 split
Aureus Asset Management, LLC12,065$569.0K0.04%00.0%UnchangedConverted for a 5-for-1 split
Worldquant Millennium Advisors LLC12,392$584.4K0.00%+4,272+52.6%AddedConverted for a 5-for-1 split
Rathbone Brothers plc12,450$587.1K0.00%−2,150−14.7%ReducedConverted for a 5-for-1 split
Avantax Advisory Services, Inc.12,475$588.3K0.00%−2,220−15.1%ReducedConverted for a 5-for-1 split
Landscape Capital Management, L.L.C.12,724$600.1K0.06%+12,724New
Lazard Freres Gestion S.A.S.12,800$603.0K0.01%−912,200−98.6%ReducedConverted for a 5-for-1 split
Guinness Asset Management LTD13,085$616.5K0.01%00.0%UnchangedConverted for a 5-for-1 split
Intech Investment Management LLC13,407$632.3K0.01%−27,008−66.8%ReducedConverted for a 5-for-1 split
Shelton Capital Management13,500$636.7K0.02%+2,610+24.0%AddedConverted for a 5-for-1 split
Snowden Capital Advisors LLC13,643$643.4K0.02%−3,012−18.1%ReducedConverted for a 5-for-1 split
Menard Financial Group LLC13,937$657.3K0.43%+1,322+10.5%AddedConverted for a 5-for-1 split
SWP Financial LLC14,075$663.8K0.41%00.0%UnchangedConverted for a 5-for-1 split
Utah Retirement Systems14,100$665.0K0.01%00.0%UnchangedConverted for a 5-for-1 split
Cambridge Investment Research Advisors, Inc.14,129$666.0K0.00%+709+5.3%AddedConverted for a 5-for-1 split
Northwestern Mutual Wealth Management Co14,180$668.7K0.00%+290+2.1%AddedConverted for a 5-for-1 split
Yorktown Management & Research Co Inc14,250$672.0K0.69%+7,250+103.6%AddedConverted for a 5-for-1 split
Boothbay Fund Management, LLC14,420$680.0K0.02%+14,420New
Stephens Inc14,521$684.8K0.01%+91+0.6%AddedConverted for a 5-for-1 split