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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, Q3 2021

Institutional positions in Tetra Tech Inc as of Sep 30, 2021. 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
359
−2 vs. Q2 2021
Shares held
47.5M
+3.81M (+8.7%) vs. Q2 2021
Total value
$7.08B
+$1.74B (+32.6%) vs. Q2 2021
New holders
35
118 more added
Sold out
37
133 more reduced

5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 359 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 2021: $7.08B
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 2021

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q2 2021.

Institutions holding TTEK in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Strategic Wealth Partners, Ltd.5,528$826.0K0.24%+2,553+85.8%Added
Janus Henderson Group PLC5,473$818.0K0.00%+5,473New
Virginia Retirement Systems Et Al5,400$806.0K0.01%+400+8.0%Added
First Pacific Financial5,327$796.0K0.42%+24+0.5%Added
Private Trust Co NA5,171$772.0K0.11%−107−2.0%Reduced
Principal Street Partners, LLC5,046$754.0K0.21%+46+0.9%Added
Susquehanna International Group, LLP5,005$748.0K0.00%−8,166−62.0%Reduced
Panagora Asset Management Inc4,998$746.0K0.00%+2,352+88.9%Added
First Wilshire Securities Management Inc4,900$732.0K0.24%00.0%Unchanged
Securian Asset Management, Inc4,849$724.0K0.01%−128−2.6%Reduced
Captrust Financial Advisors4,804$717.0K0.01%+45+0.9%Added
AE Wealth Management LLC4,744$708.0K0.01%+164+3.6%Added
First Business Financial Services, Inc.4,676$698.0K0.08%00.0%Unchanged
Manchester Capital Management LLC4,648$694.0K0.09%−3,258−41.2%Reduced
Northwestern Mutual Wealth Management Co4,604$687.0K0.00%−821−15.1%Reduced
Guggenheim Capital LLC4,587$685.0K0.00%−378−7.6%Reduced
The PNC Financial Services Group, Inc.4,582$684.0K0.00%−370−7.5%Reduced
Swiss Life Asset Management Ltd4,573$681.8K0.01%+4,573New
Profund Advisors LLC4,553$680.0K0.02%−266−5.5%Reduced
SEI Investments Co4,605$674.0K0.00%+2,195+91.1%Added
Pathstone Family Office, LLC4,495$672.0K0.02%+969+27.5%Added
Creative Planning4,472$668.0K0.00%+1,301+41.0%Added
Janney Montgomery Scott LLC4,402$657.0K0.00%+76+1.8%Added
SG Americas Securities, LLC4,255$635.0K0.00%−25,358−85.6%Reduced
Synovus Financial Corp4,093$606.0K0.01%−20.0%Reduced
Ledyard National Bank4,047$604.0K0.06%+20+0.5%Added
Balyasny Asset Management LLC3,938$588.0K0.00%+3,938New
Cim Investment Mangement Inc3,919$585.0K0.18%00.0%Unchanged
MML Investors Services, LLC3,874$579.0K0.00%+429+12.5%Added
Guinness Asset Management LTD3,804$568.0K0.03%+498+15.1%Added
Exane Derivatives3,747$559.6K0.14%+33+0.9%Added
Fred Alger Management, LLC3,738$558.0K0.00%00.0%Unchanged
Phoenix Holdings Ltd.3,701$552.0K0.01%+3,701New
Algert Global LLC3,632$542.0K0.07%+3,632New
Tower Research Capital LLC (TRC)3,557$531.0K0.01%−595−14.3%Reduced
Aigen Investment Management, LP3,533$528.0K0.10%−1,911−35.1%Reduced
Henshaw Capital LLC3,491$521.3K0.03%00.0%Unchanged
JustInvest LLC3,417$510.0K0.05%+297+9.5%Added
Tributary Capital Management, LLC3,331$497.0K0.04%−186−5.3%Reduced
HighPoint Advisor Group LLC3,315$495.0K0.05%−60−1.8%Reduced
Bessemer Group Inc3,154$471.0K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC3,100$463.0K0.01%00.0%Unchanged
Mackenzie Financial Corp3,083$460.0K0.00%+1,221+65.6%Added
Quantitative Investment Management, LLC3,027$452.0K0.04%+3,027New
Tocqueville Asset Management L.P.3,005$449.0K0.01%−220−6.8%Reduced
Shelton Capital Management3,009$449.0K0.02%00.0%Unchanged
Illinois Municipal Retirement Fund2,895$432.0K0.02%00.0%Unchanged
Wolf Hill Capital Management, LP137,771$430.0K0.13%+137,771New
Financial Counselors Inc2,618$391.0K0.01%00.0%Unchanged
M&T Bank Corp2,603$389.0K0.00%−200−7.1%Reduced
HSBC Holdings PLC2,527$381.0K0.00%−628−19.9%Reduced
Jane Street Group, LLC2,379$355.0K0.00%−7,237−75.3%Reduced
Pendal Group Limited2,370$354.0K0.00%−330−12.2%Reduced
Cresset Asset Management, LLC2,343$350.0K0.00%−239−9.3%Reduced
Gabelli Funds LLC2,300$343.0K0.00%−3,200−58.2%Reduced
Truist Financial Corp2,264$338.0K0.00%+162+7.7%Added
Colony Group LLC2,219$331.0K0.01%−101−4.4%Reduced
Penobscot Investment Management Company, Inc.2,210$330.0K0.05%00.0%Unchanged
US Bancorp2,168$324.0K0.00%−156−6.7%Reduced
Pitcairn Co2,109$315.0K0.02%−85−3.9%Reduced
CIBC Asset Management Inc2,077$310.0K0.00%+142+7.3%Added
American Century Companies Inc2,041$305.0K0.00%−2,140−51.2%Reduced
Holderness Investments Co2,000$299.0K0.10%00.0%Unchanged
Bluestein R H & Co1,963$293.0K0.01%00.0%Unchanged
Intrust Bank NA1,958$292.0K0.04%−84−4.1%Reduced
Fiduciary Trust Co1,925$287.0K0.01%−85−4.2%Reduced
J.W. Cole Advisors, Inc.1,909$285.0K0.02%−86−4.3%Reduced
Financial Network Wealth Management LLC1,900$284.0K0.16%00.0%Unchanged
World Asset Management Inc1,802$269.0K0.03%−95−5.0%Reduced
Personal Cfo Solutions, LLC1,791$268.0K0.05%−246−12.1%Reduced
CWM Advisors, LLC1,684$252.0K0.03%+1,684New
Cigna Investments Inc1,680$250.0K0.02%−100−5.6%Reduced
Advisory Services Network, LLC1,645$245.0K0.01%−9−0.5%Reduced
Coldstream Capital Management Inc2,496$238.0K0.01%−39−1.5%Reduced
Cornercap Investment Counsel Inc1,587$237.0K0.03%−300−15.9%Reduced
Ingalls & Snyder LLC1,565$234.0K0.01%+1,565New
Kestra Advisory Services, LLC1,568$234.0K0.00%+1,568New
Spire Wealth Management1,558$233.0K0.01%−14−0.9%Reduced
ELCO Management Co., LLC1,556$233.0K0.18%+1,556New
GWM Advisors LLC1,546$231.0K0.01%+1,546New
Public Employees Retirement System of Ohio1,537$230.0K0.00%+17+1.1%Added
Gotham Asset Management, LLC1,520$227.0K0.01%−3,099−67.1%Reduced
Park Avenue Securities LLC1,505$225.0K0.00%+1,505New
Sumitomo Mitsui Trust Holdings, Inc.1,505$225.0K0.00%+1,505New
Mark Stevens1,501$224.0K0.03%+1,501New
Natixis Investment Managers International1,492$222.0K0.01%−90−5.7%Reduced
Abbrea Capital, LLC1,480$221.0K0.03%+1,480New
Waratah Capital Advisors Ltd.1,462$218.0K0.01%+1,462New
State of Wyoming1,452$217.0K0.14%+754+108.0%Added
Palladiem, LLC1,453$217.0K0.18%+1,453New
Evergreen Capital Management LLC1,369$204.0K0.01%+1,369New
Huntington National Bank1,287$192.0K0.00%−100−7.2%Reduced
First Mercantile Trust Co1,278$191.0K0.03%−203−13.7%Reduced
Blume Capital Management, Inc.1,068$159.0K0.06%+1,068New
GPS Wealth Strategies Group, LLC931$139.0K0.03%+1+0.1%Added
Steward Partners Investment Advisory, LLC922$138.0K0.00%00.0%Unchanged
First Manhattan Co914$136.0K0.00%00.0%Unchanged
Ci Investments Inc.791$118.0K0.00%+16+2.1%Added
TD Private Client Wealth LLC769$114.8K0.00%+474+160.7%Added
Koshinski Asset Management, Inc.736$109.9K0.01%+736New