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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, Q1 2022

Institutional positions in Tetra Tech Inc as of Mar 31, 2022. 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
404
+7 vs. Q4 2021
Shares held
47.7M
+906.5K (+1.9%) vs. Q4 2021
Total value
$7.86B
−$71.3M (−0.9%) vs. Q4 2021
New holders
51
144 more added
Sold out
44
139 more reduced

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 404 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 2022: $7.86B
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 2022

Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q4 2021.

Institutions holding TTEK in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.7,212,877$1.19B0.03%+171,026+2.4%Added
Vanguard Group Inc5,303,607$874.8M0.02%+61,906+1.2%Added
Alliancebernstein L.P.3,625,088$597.9M0.23%+1,036,390+40.0%Added
Pictet Asset Management SA2,435,526$401.7M0.46%−351,103−12.6%Reduced
Neuberger Berman Group LLC1,800,305$296.9M0.25%−33,296−1.8%Reduced
State Street Corp1,707,196$281.6M0.01%+31,942+1.9%Added
Norges Bank1,325,284$218.6M0.05%−2,896−0.2%Reduced
Geode Capital Management, LLC1,043,118$172.1M0.02%+48,896+4.9%Added
Invesco Ltd.917,617$151.4M0.04%+64,168+7.5%Added
Dimensional Fund Advisors LP879,796$145.1M0.05%−14,484−1.6%Reduced
Bank of America Corp866,098$142.9M0.02%+98,751+12.9%Added
Northern Trust Corp771,010$127.2M0.02%−18,351−2.3%Reduced
Macquarie Group Ltd741,327$122.3M0.11%+42,665+6.1%Added
Price T Rowe Associates Inc731,066$120.6M0.01%+10,355+1.4%Added
Wellington Management Group LLP694,372$114.5M0.02%−2,265−0.3%Reduced
Standard Life Aberdeen plc665,732$112.4M0.29%+182,715+37.8%Added
Charles Schwab Investment Management Inc637,772$105.2M0.03%+26,058+4.3%Added
Kames Capital plc615,733$101.5M1.50%−45,500−6.9%Reduced
Allianz Asset Management GmbH607,751$100.2M0.08%−130,139−17.6%Reduced
Bank of New York Mellon Corp556,802$91.8M0.02%−4,124−0.7%Reduced
Barrett Asset Management, LLC500,238$82.5M3.46%−4,808−1.0%Reduced
Lord, Abbett & Co. LLC472,012$77.9M0.21%+296,212+168.5%Added
Bowen Hanes & Co Inc380,720$62.8M1.87%−4,985−1.3%Reduced
Goldman Sachs Group Inc379,045$62.5M0.02%+12,252+3.3%Added
First Trust Advisors LP376,005$62.0M0.06%−54,599−12.7%Reduced
TimesSquare Capital Management, LLC366,075$60.4M0.68%−47,800−11.5%Reduced
DekaBank Deutsche Girozentrale341,100$56.9M0.14%+54,600+19.1%Added
Neumeier Poma Investment Counsel LLC315,165$52.0M3.49%+14,350+4.8%Added
FIL Ltd301,521$49.7M0.05%−24,971−7.6%Reduced
Mirae Asset Global Investments Co., Ltd.299,244$49.4M0.10%−23,104−7.2%Reduced
Eaton Vance Management296,643$48.9M0.06%+86,326+41.0%Added
FMR LLC291,409$48.1M0.00%−263,596−47.5%Reduced
Rockefeller Capital Management L.P.285,735$47.1M0.23%+640+0.2%Added
JPMorgan Chase & Co285,426$47.1M0.01%+4,393+1.6%Added
Vontobel Holding Ltd.269,816$45.0M0.39%−1,312−0.5%Reduced
Copeland Capital Management, LLC258,591$42.7M1.18%+117,547+83.3%Added
Principal Financial Group Inc247,395$40.8M0.03%+11,475+4.9%Added
Managed Asset Portfolios, LLC244,641$40.4M5.53%−592−0.2%Reduced
Driehaus Capital Management LLC226,923$37.4M0.46%−28,051−11.0%Reduced
Loomis Sayles & Co L P221,635$36.6M0.05%−5,577−2.5%Reduced
Nuveen Asset Management, LLC214,775$35.8M0.01%+1,645+0.8%Added
State of Wisconsin Investment Board210,550$34.7M0.07%00.0%Unchanged
Value Holdings Management Co. LLC210,465$34.7M7.20%00.0%Unchanged
Amundi202,855$33.4M0.02%+198,792+4,892.7%Added
Parametric Portfolio Associates LLC193,136$31.9M0.02%+6,276+3.4%Added
Morgan Stanley189,560$31.3M0.00%−43,660−18.7%Reduced
Candriam Luxembourg S.C.A.188,564$31.1M0.21%−47,038−20.0%Reduced
Emerald Advisers, LLC169,718$28.0M1.07%−44,464−20.8%Reduced
Rheos Capital Works Inc.167,900$27.7M1.33%00.0%Unchanged
Rhumbline Advisers157,852$26.0M0.03%+3,349+2.2%Added
Sarasin & Partners LLP152,392$25.1M0.25%+83,472+121.1%Added
Emerald Mutual Fund Advisers Trust141,622$23.4M1.03%−73,123−34.1%Reduced
AGF Investments America Inc.137,296$22.6M4.12%+3,236+2.4%Added
Swiss National Bank127,400$21.0M0.01%+8,400+7.1%Added
Lombard Odier Asset Management (Europe) Ltd124,653$20.6M0.79%−22,003−15.0%Reduced
Wells Fargo & Company123,768$20.4M0.01%−15,795−11.3%Reduced
Agf Investments Inc.121,557$20.1M0.15%+3,668+3.1%Added
Walleye Capital LLC120,526$19.9M0.57%+120,526New
American International Group, Inc.117,691$19.4M0.11%−1,832−1.5%Reduced
California Public Employees Retirement System111,991$18.5M0.01%−4,099−3.5%Reduced
Trillium Asset Management, LLC107,791$17.8M0.47%−458−0.4%Reduced
Winslow Asset Management Inc106,174$17.5M3.46%−1,592−1.5%Reduced
WCM Investment Management, LLC105,560$17.4M0.05%+13,880+15.1%Added
Deutsche Bank AG104,906$17.3M0.01%−158,519−60.2%Reduced
LPL Financial LLC98,404$16.2M0.01%+41,225+72.1%Added
Arrowstreet Capital, Limited Partnership95,092$15.7M0.02%−7,912−7.7%Reduced
Ashfield Capital Partners, LLC92,505$15.3M0.99%+65,600+243.8%Added
Ameriprise Financial Inc88,441$14.6M0.00%−12,466−12.4%Reduced
Segall Bryant & Hamill, LLC87,321$14.4M0.14%+2,373+2.8%Added
Legal & General Group Plc83,835$13.8M0.00%−44,055−34.4%Reduced
Mutual of America Capital Management LLC81,360$13.4M0.14%−5,962−6.8%Reduced
New York State Common Retirement Fund78,244$12.9M0.01%−1,441−1.8%Reduced
S&T Bank76,510$12.6M1.91%−892−1.2%Reduced
Zacks Investment Management75,933$12.5M0.17%+3,380+4.7%Added
New York State Teachers Retirement System74,679$12.3M0.03%−300−0.4%Reduced
Credit Suisse AG74,239$12.2M0.01%+2,393+3.3%Added
Retirement Systems of Alabama70,853$11.7M0.04%+48+0.1%Added
California State Teachers Retirement System68,960$11.4M0.01%−6,183−8.2%Reduced
HighTower Advisors, LLC68,469$11.3M0.03%−2,051−2.9%Reduced
Russell Investments Group, Ltd.67,038$11.1M0.02%−10,136−13.1%Reduced
Envestnet Asset Management Inc66,233$10.9M0.01%+13,369+25.3%Added
Manufacturers Life Insurance Company, The66,206$10.9M0.01%−20,842−23.9%Reduced
Panagora Asset Management Inc64,822$10.7M0.06%+62,176+2,349.8%Added
Systematic Financial Management LP63,738$10.5M0.33%−318−0.5%Reduced
Smith, Graham & Co., Investment Advisors, LP63,584$10.5M1.09%−431−0.7%Reduced
MetLife Investment Management62,066$10.2M0.07%+17,288+38.6%Added
Susquehanna Fundamental Investments, LLC60,631$10.0M0.19%+38,086+168.9%Added
Allspring Global Investments Holdings, LLC57,084$9.41M0.01%+4,947+9.5%Added
Prudential Financial Inc57,056$9.41M0.01%+27,561+93.4%Added
AXA S.A.53,746$8.86M0.03%00.0%Unchanged
Renaissance Investment Group LLC61,483$8.59M2.51%−795−1.3%Reduced
Man Group plc50,752$8.37M0.03%+14,012+38.1%Added
UBS Asset Management Americas Inc49,062$8.09M0.00%+3,279+7.2%Added
GHP Investment Advisors, Inc.48,821$8.05M0.53%−3,316−6.4%Reduced
Asset Management One Co.,Ltd.47,263$7.79M0.03%−7,643−13.9%Reduced
McKinley Capital Management LLC /Delaware46,158$7.61M0.76%+116+0.3%Added
Fisher Asset Management, LLC41,651$6.87M0.00%+58+0.1%Added
Bahl & Gaynor Inc41,100$6.78M0.05%−6,656−13.9%Reduced
Natixis38,915$6.42M0.02%−668−1.7%Reduced
Nicholas Company, Inc.38,525$6.35M0.11%+38,525New