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Disclosery

TTEK TETRA TECH INC NEW

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COM (common), issuer CIK 831641

577 managers (590 13F filers) reported a position in TTEK shares at 2025-06-30, 249,380,478 shares in all. 99 filers opened a position and 78 filers sold out during the quarter.

Managers
577
13F filers
590
New
99
Added
210
Reduced
202
Sold out
78
Shares held by filers
249,380,478

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Ensign Peak Advisors, Inc76,595$2.75M<0.01%-2,90013F-HRTimeline
Catalyst Capital Advisors LLC75,660$2.72M0.05%+2,70013F-HRTimeline
BRASADA CAPITAL MANAGEMENT, LP72,989$2.67M0.45%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM74,275$2.67M0.02%-2,58113F-HRTimeline
Louisiana State Employees Retirement Sy…74,100$2.66M0.05%-1,00013F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding73,737$2.65M-1,501Timeline
Andra AP-fonden72,408$2.6M0.04%+65,16613F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC72,297$2.6M0.03%-88413F-HRTimeline
Holocene Advisors, LP70,761$2.54M0.01%-71,38213F-HRTimeline
Northwest & Ethical Investments L.P.69,945$2.52M0.06%new13F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS68,544$2.46M0.01%-147,09613F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…67,702$2.43M0.01%+3,63013F-HRTimeline
Handelsbanken Fonder AB67,645$2.43M0.01%-70013F-HRTimeline
Sciencast Management LP66,194$2.38M0.49%new13F-HRTimeline
Schonfeld Strategic Advisors LLC64,569$2.32M0.02%+13,58513F-HRTimeline
STATE OF MICHIGAN RETIREMENT SYSTEM63,340$2.28M0.01%-80013F-HRTimeline
ARGENT CAPITAL MANAGEMENT LLC62,521$2.25M0.06%+42,74113F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…62,514$2.25M<0.01%-82513F-HR/ATimelineGroup
Bristlecone Advisors, LLC62,413$2.24M0.19%-6,84513F-HRTimeline
Man Group plcin group Man Group plc59,396$2.14M<0.01%-447,76613F-HRTimelineGroup
New Age Alpha Advisors, LLC57,548$2.07M0.09%+3,17213F-HRTimeline
WBI INVESTMENTS, LLCin group WBI INVESTMENTS, LLC56,956$2.05M0.53%+47,76913F-HRTimelineGroup
WCM INVESTMENT MANAGEMENT, LLC57,343$2.04M<0.01%+7,61713F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC55,150$1.98M<0.01%+7113F-HRTimelineGroup
NEW MEXICO EDUCATIONAL RETIREMENT BOARD54,500$1.96M0.06%013F-HRTimeline
KLP KAPITALFORVALTNING AS53,800$1.93M0.01%-3,40013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND53,625$1.93M0.03%-80013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd52,866$1.9M0.08%+39,81113F-HRTimelineGroup
Cetera Investment Advisers52,534$1.89M<0.01%+4,13913F-HRTimeline
Orion Porfolio Solutions, LLC49,747$1.79M0.02%-1,97913F-HR/ATimeline
HARBOR CAPITAL ADVISORS, INC.49,450$1.78M0.07%+1,03213F-HRTimeline
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…49,265$1.77M<0.01%+20,00013F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS48,841$1.76M<0.01%-16,59413F-HRTimeline
Terra Alpha Investments LLC48,420$1.74M1.81%-74413F-HRTimeline
VestGen Advisors, LLC47,776$1.72M0.07%-6,18113F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …47,558$1.7M<0.01%+1,38413F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC46,528$1.67M<0.01%-9,46913F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC44,071$1.58M<0.01%+8,01913F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC44,014$1.58M<0.01%-31,11613F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/43,037$1.55M<0.01%-108,96413F-HRTimelineGroup
Summit Trail Advisors, LLC42,158$1.52M0.03%+22,00113F-HRTimeline
XPONANCE LLC41,286$1.48M0.01%-2,39113F-HRTimeline
M&T Bank Corpin group M&T Bank Corp40,178$1.45M<0.01%+96613F-HRTimelineGroup
Tributary Capital Management, LLC39,957$1.44M0.13%+1,53413F-HRTimeline
Empowered Funds, LLC39,240$1.41M0.02%+2,90313F-HRTimeline
FORMULA GROWTH LTD39,050$1.4M0.53%013F-HRTimeline
BAILARD, INC.39,000$1.4M0.03%-35513F-HRTimeline
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …38,047$1.37M0.02%+29,78813F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…37,271$1.34M0.01%-36,66113F-HRTimelineGroup
Bridgefront Capital, LLC37,145$1.34M0.35%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC36,535$1.31M0.01%-61,05313F-HRTimeline
Bleakley Financial Group, LLC36,344$1.31M0.03%-4,68613F-HRTimeline
Headlands Technologies LLC36,106$1.3M0.16%+7,36113F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources34,617$1.24M<0.01%-86113F-HRTimelineGroup
Radnor Capital Management, LLC33,920$1.22M0.19%+26,43513F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC33,367$1.2M0.01%+6,11513F-HRTimeline
HUNTER ASSOCIATES INVESTMENT MANAGEMENT…33,375$1.2M0.18%+1,39913F-HRTimeline
Bayesian Capital Management, LP33,100$1.19M0.19%new13F-HRTimeline
Oak Thistle LLC32,968$1.19M0.17%+13,54013F-HRTimeline
WHITTIER TRUST CO32,915$1.18M0.01%013F-HRTimeline
TWO SIGMA SECURITIES, LLC32,836$1.18M0.15%new13F-HRTimeline
Tredje AP-fonden32,680$1.18M0.01%013F-HRTimeline
Vancity Investment Management Ltd32,677$1.18M0.15%+3,06813F-HRTimeline
TRIGLAV INVESTMENTS, D.O.O.32,090$1.15M0.08%+8,76513F-HRTimeline
Atom Investors LP31,015$1.12M0.1%-93,68513F-HRTimeline
Cambridge Investment Research Advisors,…30,738$1.1M<0.01%+12,24213F-HRTimeline
Legacy Wealth Asset Management, LLC30,713$1.1M0.28%+39113F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC27,735$1.1M<0.01%+5,26513F-HRTimelineGroup
NICOLA WEALTH MANAGEMENT LTD.30,000$1.08M0.1%-32,00013F-HRTimeline
Ethic Inc.30,030$1.07M0.02%+1,28513F-HRTimeline
Atria Investments, Inc29,597$1.06M0.01%+21,53813F-HRTimeline
State of Alaska, Department of Revenue29,575$1.06M0.01%-1,83513F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.29,375$1.06M<0.01%-637,31713F-HRTimelineGroup
FOX RUN MANAGEMENT, L.L.C.29,024$1.04M0.17%new13F-HRTimeline
D.A. DAVIDSON & CO.28,665$1.03M0.01%-4,99513F-HRTimeline
Baird Financial Group, Inc.in group Baird Financial Group, Inc.28,544$1.03M<0.01%+89313F-HRTimelineGroup
MML INVESTORS SERVICES, LLC28,512$1.02M<0.01%-95713F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P28,320$1.02M0.02%-23,30313F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…28,013$1.01M0.01%-60713F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…27,530$990K<0.01%-1,62013F-HRTimeline
IQ EQ FUND MANAGEMENT (IRELAND) Ltd27,328$983K0.09%+7,63213F-HRTimeline
AXQ CAPITAL, LP26,889$967K0.31%new13F-HRTimeline
One Capital Management, LLC26,517$954K0.03%new13F-HRTimeline
Future Fund LLC26,517$954K0.43%new13F-HRTimeline
Rathbones Group PLC26,240$944K<0.01%-1,55013F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…25,915$932K0.01%-55,46513F-HRTimelineGroup
Lazard Freres Gestion S.A.S.25,830$928K0.02%+8,50013F-HRTimeline
Caption Management, LLC25,279$909K0.08%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC25,030$900K0.03%+17,17413F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC24,076$866K0.01%+90313F-HRTimeline
HARBOUR INVESTMENTS, INC.23,658$851K0.02%+18913F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC23,522$846K<0.01%-58413F-HRTimeline
Manchester Capital Management LLC23,165$833K0.11%-1013F-HRTimeline
Cullen Capital Management, LLC22,441$807K0.01%+8,08413F-HRTimeline
Arkadios Wealth Advisors22,247$800K0.02%+93313F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…22,189$798K<0.01%-1,04413F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…21,699$794K<0.01%+2,54713F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.21,670$779K0.01%+1,26713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Patten Group, Inc.21,616$777K0.16%+50313F-HRTimeline
FIRST WILSHIRE SECURITIES MANAGEMENT INC21,500$773K0.21%013F-HRTimeline
Crossmark Global Holdings, Inc.21,225$763K0.01%+29813F-HRTimeline
SYON CAPITAL LLC21,217$763K0.05%new13F-HRTimeline
Financiere des Professionnels - Fonds d…20,880$751K0.05%new13F-HR/ATimeline
SECURIAN ASSET MANAGEMENT, INC20,067$722K0.02%-29013F-HRTimeline
GREAT LAKES ADVISORS, LLC19,900$716K0.01%-13713F-HRTimeline
SG Americas Securities, LLC19,873$715K<0.01%-26,53313F-HRTimeline
U.S. Capital Wealth Advisors, LLC19,818$713K0.02%new13F-HRTimeline
First Pacific Financial19,555$703K0.1%-1,46813F-HRTimeline
EVEXIA WEALTH LLC18,340$700K0.22%+4,28013F-HRTimeline
Focus Partners Wealthgroup of 2 filers holding18,621$670K+9,789Timeline
Argent Trust Co18,585$668K0.03%-62113F-HRTimeline
Gitterman Wealth Management, LLC18,457$664K0.15%+1,63213F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…18,340$660K0.02%+10,37813F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\18,326$659K<0.01%+29913F-HRTimelineGroup
Sanctuary Advisors, LLC18,222$655K<0.01%+99413F-HRTimeline
Ledyard National Bank18,177$654K0.06%-89113F-HRTimeline
111 Capital18,106$651K0.11%new13F-HRTimeline
Y-Intercept (Hong Kong) Ltd18,084$650K0.02%-39,44413F-HRTimeline
Alamea Verwaltungs GmbH17,765$639K0.48%+2,65213F-HRTimeline
Ballentine Partners, LLC17,730$638K0.01%+10,88313F-HRTimeline
First Business Financial Services, Inc.17,555$631K0.06%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.17,350$613K<0.01%-3,15413F-HR/ATimelineGroup
Pure Financial Advisors, LLC17,022$612K0.01%+26113F-HRTimeline
EQUITABLE TRUST CO16,898$608K0.03%+49513F-HRTimeline
NWAM LLC16,477$605K0.04%+6613F-HR/ATimeline
VIRGINIA RETIREMENT SYSTEMS ET Al16,700$601K<0.01%-7,30013F-HRTimeline
Portman Square Capital LLP15,969$574K0.06%-96513F-HRTimeline
New Hampshire Trust15,765$567K0.12%013F-HRTimeline
Midwest Trust Co15,765$567K0.01%13F-HRTimeline
NOVEM GROUP15,427$555K0.07%+75413F-HRTimeline
DEFINE FINANCIAL, LLC15,303$550K0.36%+4,94013F-HRTimeline
ELCO Management Co., LLC15,260$549K0.29%+5,27113F-HRTimeline
Compass Wealth Management LLC15,125$544K0.13%013F-HRTimeline
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …15,025$540K0.01%013F-HRTimelineGroup
Janney Montgomery Scott LLC14,977$539K<0.01%-22813F-HRTimeline
Snowden Capital Advisors LLC14,673$528K0.02%-78913F-HRTimeline
New England Research & Management, Inc.14,525$522K0.25%-5013F-HRTimeline
Sterling Capital Management LLC14,276$513K0.01%+2,45913F-HR/ATimeline
&PARTNERS14,211$512K<0.01%+4,50013F-HRTimeline
Utah Retirement Systems14,116$508K0.01%-28413F-HRTimeline
Inscription Capital, LLC14,087$507K0.07%new13F-HRTimeline
SWP FINANCIAL LLC14,075$506K0.28%013F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding13,732$494K-686Timeline
AVANTAX ADVISORY SERVICES, INC.13,249$476K<0.01%-64613F-HRTimeline
J.W. COLE ADVISORS, INC.13,216$475K0.01%+7113F-HRTimeline
HighPoint Advisor Group LLC12,953$466K0.02%-6913F-HRTimeline
Elo Mutual Pension Insurance Co12,718$457K0.01%-14,73613F-HRTimeline
Clear Creek Financial Management, LLC12,609$453K0.04%+2,12113F-HRTimeline
Maridea Wealth Management LLC12,556$452K0.12%new13F-HRTimeline
SHELTON CAPITAL MANAGEMENT12,539$451K0.01%013F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich12,500$449K<0.01%013F-HR/ATimeline
EVERGREEN CAPITAL MANAGEMENT LLC12,490$449K0.01%+85113F-HRTimeline
Maryland State Retirement & Pension Sys…12,454$448K0.01%013F-HRTimeline
Hilltop Holdings Inc.in group Hilltop Holdings Inc.12,373$445K0.03%+1,15213F-HRTimelineGroup
Chicago Partners Investment Group LLC11,454$439K0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK12,182$438K<0.01%+78613F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC12,132$436K<0.01%new13F-HRTimelineGroup
Cynosure Group, LLC12,132$436K0.05%-73,64713F-HRTimeline
Advisory Services Network, LLC11,840$435K0.01%+2,63013F-HRTimeline
Aureus Asset Management, LLC12,065$434K0.03%013F-HRTimeline
RWC Asset Management LLPin group RWC ASSET ADVISORS (US) LLC11,931$429K0.02%new13F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC11,840$426K<0.01%+11613F-HRTimelineGroup
ProShare Advisors LLC11,684$420K<0.01%+28513F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC11,552$415K<0.01%new13F-HRTimelineGroup
NORTH STAR ASSET MANAGEMENT INC11,500$414K0.02%new13F-HRTimeline
Groupe la Francaisein group Groupe la Francaise11,500$412K0.01%new13F-HRTimelineGroup
Petrus Trust Company, LTA11,435$411K0.04%-14,63713F-HRTimeline
WORMSER FRERES GESTION11,270$405K0.24%+6,58713F-HRTimeline
Dynamic Advisor Solutions LLC11,112$400K0.01%new13F-HRTimeline
GSA CAPITAL PARTNERS LLP11,095$399K0.03%new13F-HRTimeline
Laird Norton Wetherby Wealth Management…10,879$391K0.02%13F-HRTimeline
Semanteon Capital Management, LP10,775$387K0.58%-38,29313F-HRTimeline
MGO ONE SEVEN LLC10,723$386K0.01%+15713F-HRTimeline
Resona Asset Management Co.,Ltd.in group Resona Asset Management Co.,L…10,460$374K<0.01%+1,46413F-HRTimelineGroup
Lindenwold Advisors, INC10,302$370K0.19%-5213F-HRTimeline
DIVERSIFIED TRUST CO10,222$368K0.01%+9113F-HRTimeline
IFP Advisors, Inc9,956$361K0.01%+49413F-HRTimeline
TRUST POINT INC.9,998$360K0.03%-4,45513F-HRTimeline
Versant Capital Management, Inc9,792$352K0.05%+6,51413F-HRTimeline
Trium Capital LLP9,484$341K0.08%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
BROWN ADVISORY INCin group BROWN ADVISORY INC9,374$337K<0.01%-63813F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC9,380$337K0.02%-2,52013F-HRTimeline
AE Wealth Management LLC9,121$328K<0.01%-85113F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC8,924$321K<0.01%+1,87813F-HRTimelineGroup
Merit Financial Group, LLC8,889$320K<0.01%+89313F-HRTimeline
OneDigital Investment Advisors LLC8,834$318K<0.01%-43213F-HRTimeline
INSIGNEO ADVISORY SERVICES, LLC8,639$311K0.03%-4713F-HRTimeline
CIBC Asset Management Inc8,488$305K<0.01%013F-HRTimeline
OAK RIDGE INVESTMENTS LLC8,215$295K0.02%013F-HRTimeline
Verdence Capital Advisors LLC8,195$295K0.02%+43413F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC8,165$294K0.01%new13F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC8,154$293K0.05%-8813F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC8,145$293K<0.01%-40113F-HRTimelineGroup
NewEdge Wealth, LLC7,821$291K<0.01%new13F-HRTimeline
Aaron Wealth Advisors LLC8,057$290K0.03%new13F-HRTimeline
TRANSCEND CAPITAL ADVISORS, LLC7,951$286K0.02%new13F-HRTimeline
Baker Avenue Asset Management, LP7,889$284K0.01%new13F-HRTimeline
Compagnie Lombard Odier SCmA7,800$280K<0.01%new13F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC7,662$276K<0.01%-66713F-HRTimelineGroup
PHILADELPHIA TRUST CO7,500$270K0.02%013F-HRTimeline