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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, Q1 2025

Institutional positions in Tetra Tech Inc as of Mar 31, 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
568
−61 vs. Q4 2024
Shares held
245.5M
+9.62M (+4.1%) vs. Q4 2024
Total value
$7.18B
−$2.22B (−23.6%) vs. Q4 2024
New holders
75
231 more added
Sold out
136
192 more reduced

9 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 568 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 heldQ1 2025: $7.18B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q4 2024.

Institutions holding TTEK in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Strengthening Families & Communities, LLC0$10.00%0New
Kozak & Associates, Inc.0$80.00%0Unchanged
True Wealth Design, LLC1$300.00%+1New
HFM Investment Advisors, LLC3$880.00%+3New
Parkworth Wealth Management, Inc.5$1460.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC7$2040.00%+7New
Cromwell Holdings LLC8$2340.00%+8New
Bare Financial Services, Inc12$3510.00%+12New
Raleigh Capital Management Inc.14$4140.00%−1,215−98.9%Reduced
Hughes Financial Services, LLC17$5020.00%+17New
MPWM Advisory Solutions, LLC20$5850.00%00.0%Unchanged
Greenline Partners, LLC20$5850.00%+20New
WealthTrak Capital Management LLC25$7320.00%+25New
DiNuzzo Private Wealth, Inc.26$7610.00%−4−13.3%Reduced
SJS Investment Consulting Inc.29$8490.00%−9−23.7%Reduced
Global Financial Private Client, LLC32$9360.00%+22+220.0%Added
Quent Capital, LLC34$9950.00%+34New
Avion Wealth40$1.00K0.00%00.0%Unchanged
Winthrop Capital Management, LLC44$1.00K0.00%+44New
CoreCap Advisors, LLC35$1.02K0.00%−362−91.2%Reduced
Sachetta, LLC39$1.14K0.00%+4+11.4%Added
Financial Management Professionals, Inc.40$1.17K0.00%00.0%Unchanged
Chesapeake Asset Management LLC41$1.20K0.00%+41New
Bell Investment Advisors, Inc52$1.52K0.00%00.0%Unchanged
Anchor Investment Management, LLC55$1.61K0.00%00.0%Unchanged
Private Wealth Management Group, LLC65$1.90K0.00%+65New
Hazlett, Burt & Watson, Inc.65$2.00K0.00%00.0%Unchanged
Beacon Capital Management, LLC70$2.05K0.00%00.0%Unchanged
South State Corp.71$2.08K0.00%+71New
Whittier Trust Co of Nevada Inc87$2.54K0.00%−38−30.4%Reduced
Whipplewood Advisors, LLC90$2.63K0.00%00.0%Unchanged
Capital Analysts, LLC100$3.00K0.00%+100New
Proffitt & Goodson Inc105$3.07K0.00%00.0%Unchanged
Mather Group, LLC.108$3.16K0.00%−20−15.6%Reduced
Synergy Investment Management, LLC111$3.24K0.00%00.0%Unchanged
High Note Wealth, LLC115$3.36K0.00%−5−4.2%Reduced
JFS Wealth Advisors, LLC137$4.01K0.00%−18−11.6%Reduced
Key Financial Inc170$4.97K0.00%00.0%Unchanged
Hemington Wealth Management187$5.00K0.00%−35−15.8%Reduced
Itau Unibanco Holding S.A.161$5.00K0.00%00.0%Unchanged
Sunbelt Securities, Inc.175$5.12K0.00%00.0%Unchanged
PFS Partners, LLC182$5.32K0.00%00.0%Unchanged
SBI Securities Co., Ltd.184$5.38K0.00%+34+22.7%Added
WPG Advisers, LLC197$5.76K0.01%−206−51.1%Reduced
Colonial Trust Advisors200$5.85K0.00%+200New
Skopos Labs, Inc.204$5.97K0.00%+5+2.5%Added
Farmers & Merchants Investments Inc204$5.97K0.00%+94+85.5%Added
Bank of Jackson Hole Trust215$6.28K0.00%00.0%Unchanged
N.E.W. Advisory Services LLC215$6.29K0.00%+215New
EverSource Wealth Advisors, LLC217$6.35K0.00%+11+5.3%Added
Cornerstone Planning Group LLC210$6.49K0.00%+165+366.7%Added
Creative Financial Designs Inc226$6.61K0.00%+41+22.2%Added
Mascoma Wealth Management LLC250$7.31K0.00%00.0%Unchanged
Cetera Trust Company, N.A250$7.31K0.00%00.0%Unchanged
Sandy Spring Bank256$7.50K0.00%00.0%Unchanged
Smartleaf Asset Management LLC290$8.45K0.00%−275−48.7%Reduced
Webster Bank, N. A.290$8.48K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC310$9.07K0.00%00.0%Unchanged
Rothschild Investment LLC315$9.21K0.00%+5+1.6%Added
Glen Eagle Advisors, LLC332$9.70K0.00%00.0%Unchanged
TCTC Holdings, LLC340$9.95K0.00%00.0%Unchanged
Bryn Mawr Trust Co391$11.4K0.00%−9,457−96.0%Reduced
Wayfinding Financial, LLC431$12.0K0.01%+431New
Binnacle Investments Inc425$12.4K0.01%+425New
Retirement Wealth Solutions LLC438$12.8K0.01%+91+26.2%Added
Clark Wealth Partners450$13.2K0.01%00.0%Unchanged
Stuart Chaussee & Associates, Inc.490$14.3K0.00%+490New
Lindbrook Capital, LLC501$14.7K0.00%+37+8.0%Added
MAI Capital Management505$14.8K0.00%−25−4.7%Reduced
Centerpoint Advisors, LLC506$15.0K0.01%+101+24.9%Added
Creekmur Asset Management LLC517$15.1K0.00%+1+0.2%Added
Hexagon Capital Partners LLC565$16.5K0.00%−1,285−69.5%Reduced
Clal Insurance Enterprises Holdings Ltd575$17.0K0.00%+547+1,953.6%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.585$17.1K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC595$17.4K0.00%00.0%Unchanged
Rise Advisors, LLC603$17.6K0.01%−121−16.7%Reduced
Trust Co625$18.3K0.00%00.0%Unchanged
Parkside Financial Bank & Trust639$18.7K0.00%+257+67.3%Added
Harvest Fund Management Co., Ltd560$19.0K0.00%+280+100.0%Added
Mirae Asset Global Investments Co., Ltd.666$19.4K0.00%+9+1.4%Added
GWM Advisors LLC675$19.7K0.00%−347−34.0%Reduced
Banque Cantonale Vaudoise695$20.0K0.00%+695New
Sound Income Strategies, LLC725$21.2K0.00%00.0%Unchanged
Allworth Financial LP720$22.7K0.00%+67+10.3%Added
Natixis787$23.0K0.00%−276,628−99.7%Reduced
Larson Financial Group LLC798$23.3K0.00%+748+1,496.0%Added
Chilton Capital Management LLC862$25.2K0.00%+862New
Private Trust Co NA864$25.3K0.00%−60−6.5%Reduced
Point72 Asia (Singapore) Pte. Ltd.886$25.9K0.01%+886New
Baillie Gifford & Co925$27.1K0.00%+925New
Kathleen S. Wright Associates Inc.935$27.3K0.01%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP900$27.8K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC972$28.4K0.00%+142+17.1%Added
St Germain D J Co Inc995$29.1K0.00%00.0%Unchanged
Asset Planning,Inc1,000$29.3K0.02%00.0%Unchanged
Ostrum Asset Management1,049$30.7K0.00%−1,968−65.2%Reduced
Vega Investment Solutions1,049$30.7K0.01%+1,049New
AdvisorNet Financial, Inc1,070$31.3K0.00%−2−0.2%Reduced
Brown Brothers Harriman & Co1,080$31.6K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec1,085$31.7K0.00%00.0%Unchanged