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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, Q4 2023

Institutional positions in Tetra Tech Inc as of Dec 31, 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
510
+45 vs. Q3 2023
Shares held
47.2M
+329.8K (+0.7%) vs. Q3 2023
Total value
$7.87B
+$780.5M (+11.0%) vs. Q3 2023
New holders
76
147 more added
Sold out
31
204 more reduced

6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 510 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 heldQ4 2023: $7.87B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q3 2023.

Institutions holding TTEK in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Sofos Investments, Inc.0$30.00%0Unchanged
Horizon Investments, LLC3$5000.00%+3New
Versant Capital Management, Inc4$6680.00%00.0%Unchanged
Archer Investment Corp5$8350.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.5$8350.00%+5New
Financial Management Professionals, Inc.8$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC8$1.00K0.00%00.0%Unchanged
Avion Wealth8$1.00K0.00%−3−27.3%Reduced
Valley National Advisers Inc10$1.00K0.00%+10New
RFP Financial Group LLC8$1.34K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC9$1.50K0.00%−26−74.3%Reduced
Cornerstone Planning Group LLC9$1.50K0.00%00.0%Unchanged
SJS Investment Consulting Inc.9$1.50K0.00%00.0%Unchanged
VisionPoint Advisory Group, LLC12$2.00K0.00%−26−68.4%Reduced
Newbridge Financial Services Group, Inc.12$2.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc12$2.00K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.13$2.12K0.00%−1−7.1%Reduced
Beacon Capital Management, LLC14$2.13K0.00%00.0%Unchanged
Oakworth Capital, Inc.13$2.17K0.00%+13New
BOK Financial Private Wealth, Inc.13$2.17K0.00%+13New
JJJ Advisors Inc.14$2.34K0.00%00.0%Unchanged
Bourgeon Capital Management LLC15$2.50K0.00%00.0%Unchanged
Glassman Wealth Services17$2.84K0.00%00.0%Unchanged
Capital Analysts, LLC20$3.00K0.00%+20New
Naples Money Management LLC19$3.17K0.00%+19New
Castleview Partners, LLC20$3.34K0.00%+20New
EverSource Wealth Advisors, LLC21$3.51K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc22$3.67K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.25$4.00K0.00%+18+257.1%Added
Whittier Trust Co of Nevada Inc27$4.51K0.00%00.0%Unchanged
Plato Investment Management Ltd28$4.67K0.01%+28New
JFS Wealth Advisors, LLC30$5.01K0.00%+6+25.0%Added
Strengthening Families & Communities, LLC33$5.53K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.35$5.84K0.00%−35−50.0%Reduced
Sunbelt Securities, Inc.35$5.84K0.00%00.0%Unchanged
PFS Partners, LLC36$6.03K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC39$6.51K0.00%+39New
Tucker Asset Management LLC43$7.18K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC49$8.18K0.00%00.0%Unchanged
Sandy Spring Bank51$8.59K0.00%00.0%Unchanged
REAP Financial Group, LLC56$9.36K0.00%+56New
Kelly Financial Services LLC59$9.87K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC62$10.3K0.00%00.0%Unchanged
Creative Financial Designs Inc63$10.5K0.00%00.0%Unchanged
Glen Eagle Advisors, LLC66$11.0K0.00%00.0%Unchanged
Allworth Financial LP69$11.5K0.00%+29+72.5%Added
Cohen & Steers, Inc.75$13.0K0.00%+21+38.9%Added
Covestor Ltd95$16.0K0.01%+17+21.8%Added
Benjamin F. Edwards & Company, Inc.100$17.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC106$17.7K0.00%+43+68.3%Added
LGT Financial Advisors LLC111$18.5K0.02%00.0%Unchanged
Centerpoint Advisors, LLC116$19.0K0.01%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.117$19.1K0.00%+90+333.3%Added
Plante Moran Financial Advisors, LLC119$19.9K0.00%00.0%Unchanged
1832 Asset Management L.P.120$20.0K0.00%+2+1.7%Added
Trust Co125$20.9K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC130$21.7K0.00%−5−3.7%Reduced
Canton Hathaway, LLC129$22.0K0.01%+129New
Hantz Financial Services, Inc.142$24.0K0.00%00.0%Unchanged
Sound Income Strategies, LLC145$24.2K0.00%−145−50.0%Reduced
Rockbridge Investment Management, LCC150$25.0K0.00%+150New
Contravisory Investment Management, Inc.153$25.5K0.01%+153New
Signaturefd, LLC170$28.4K0.00%+59+53.2%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP180$28.5K0.00%00.0%Unchanged
EntryPoint Capital, LLC173$28.9K0.03%+173New
SYSTM Wealth Solutions LLC179$29.9K0.00%+179New
Blue Bell Private Wealth Management, LLC180$30.0K0.01%00.0%Unchanged
Harvest Fund Management Co., Ltd186$31.0K0.00%−633−77.3%Reduced
CWM, LLC187$31.0K0.00%−49−20.8%Reduced
Baystate Wealth Management LLC192$32.2K0.00%00.0%Unchanged
Jones Financial Companies LLLP200$33.4K0.00%+200New
Denali Advisors LLC206$34.4K0.01%−1−0.5%Reduced
Millburn Ridgefield Corp213$35.6K0.00%−32−13.1%Reduced
Brown Brothers Harriman & Co216$36.1K0.00%00.0%Unchanged
Principal Securities, Inc.218$36.4K0.00%+218New
Umb Bank N A221$36.9K0.00%−114−34.0%Reduced
AdvisorNet Financial, Inc221$36.9K0.00%−1−0.5%Reduced
Private Trust Co NA222$37.1K0.00%−7−3.1%Reduced
GAMMA Investing LLC240$38.0K0.01%+240New
Creekmur Asset Management LLC230$38.3K0.01%+230New
Massmutual Trust Co FSB235$39.2K0.00%−54−18.7%Reduced
SRS Capital Advisors, Inc.235$39.3K0.00%+177+305.2%Added
St Germain D J Co Inc245$40.9K0.00%00.0%Unchanged
Raleigh Capital Management Inc.249$41.7K0.02%−79−24.1%Reduced
Ostrum Asset Management250$41.7K0.00%−380−60.3%Reduced
Penserra Capital Management LLC273$45.0K0.00%−3−1.1%Reduced
Farther Finance Advisors, LLC323$53.9K0.00%+128+65.6%Added
Atticus Wealth Management, LLC336$56.1K0.02%00.0%Unchanged
Colonial Trust Advisors340$56.8K0.01%00.0%Unchanged
First Horizon Advisors, Inc.346$57.8K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec352$58.8K0.00%−73−17.2%Reduced
IFP Advisors, Inc367$61.3K0.00%00.0%Unchanged
Proequities, Inc.369$61.6K0.00%+22+6.3%Added
Parallel Advisors, LLC376$62.8K0.00%+38+11.2%Added
Virtus Fund Advisers, LLC386$64.4K0.40%00.0%Unchanged
Hexagon Capital Partners LLC408$68.1K0.02%−20−4.7%Reduced
Ci Investments Inc.439$73.0K0.00%−20−4.4%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA450$75.1K0.03%+450New
Ameliora Wealth Management Ltd.492$82.1K0.04%00.0%Unchanged
Globeflex Capital L P500$83.5K0.01%00.0%Unchanged