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Disclosery

MTZ MASTEC INC

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Stock (common), issuer CIK 15615

789 managers (811 13F filers) reported a position in MTZ shares at 2026-03-31, 58,034,335 shares in all. 169 filers opened a position and 63 filers sold out during the quarter.

Managers
789
13F filers
811
New
169
Added
256
Reduced
263
Sold out
63
Shares held by filers
58,034,335

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
BlackRock, Inc.in group BlackRock, Inc.7,309,609$2.35B0.04%+198,35513F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding6,054,831$1.95B+6,048,090Timeline
PECONIC PARTNERS LLC3,578,431$1.15B19.92%+1,978,43113F-HRTimeline
Hill City Capital, LP2,155,000$693M24.77%013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP1,869,788$602M0.02%+43,36613F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC1,592,523$512M0.33%-1,044,92813F-HRTimeline
LONE PINE CAPITAL LLC1,531,050$493M3.93%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP1,411,584$454M0.32%+100,15113F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,371,909$441M0.03%+151,20613F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/1,330,066$428M0.03%+75,10013F-HRTimelineGroup
Hood River Capital Management LLC1,295,385$417M4.18%-188,27613F-HRTimeline
Invesco Ltd.in group Invesco Ltd.1,225,757$394M0.04%-294,27313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP731,650$235M0.05%-139,19613F-HRTimelineGroup
Electron Capital Partners, LLCin group Electron Capital Partners, LLC713,013$229M10.78%-91,29013F-HRTimelineGroup
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …733,628$229M0.21%-416,64113F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding697,264$224M-72,137Timeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding660,167$212M+102,390Timeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp656,104$211M0.04%+19,74513F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC660,054$210M0.1%-70,92513F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD638,964$206M0.13%+488,84913F-HRTimeline
FMR LLCin group FMR LLC627,901$202M0.01%-36,68913F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY586,743$189M0.01%+96,83213F-HRTimelineGroup
COATUE MANAGEMENT LLCin group COATUE MANAGEMENT LLC583,597$188M0.65%-94,31213F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co511,243$164M0.03%+9,11713F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC503,199$162M0.12%-229,07413F-HRTimelineGroup
Qube Research & Technologies Ltd485,385$156M0.22%+124,52613F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC474,514$153M0.02%+123,86013F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP472,583$152M0.02%+16,78613F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.433,058$139M0.24%-287,71313F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding338,169$109M-205,104Timeline
140 Summer Partners LPin group 140 Summer Partners LP329,220$106M9.35%-45,02913F-HRTimelineGroup
Third Point LLC320,000$103M4.94%-605,00013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS313,383$101M0.07%+142,30713F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC279,778$90M0.06%+258,51113F-HRTimelineGroup
Forest Avenue Capital Management LP269,851$86.8M5.49%-224,16013F-HRTimeline
Assenagon Asset Management S.A.255,222$82.1M0.13%+90,68213F-HRTimeline
WESTFIELD CAPITAL MANAGEMENT CO LP249,980$80.4M0.34%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC231,965$74.6M0.12%+229,12913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC231,796$74.6M0.02%-70413F-HR/ATimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC231,899$73.7M0.02%-42,94913F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …227,284$73.1M0.04%+73,61513F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC225,650$72.6M0.16%+110,96913F-HRTimelineGroup
Anomaly Capital Management, LP224,498$72.2M4.37%new13F-HRTimeline
Merewether Investment Management, LP223,061$71.8M1.39%-346,07913F-HRTimeline
Freestone Grove Partners LP220,400$70.9M0.51%-235,21713F-HRTimeline
BOWEN HANES & CO INC215,465$69.3M1.69%+20,02513F-HRTimeline
HENNESSY ADVISORS INC205,100$66M2.38%-21,50013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO202,002$61.8M<0.01%-14,19513F-HR/ATimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …187,950$60.5M0.05%-51,57513F-HRTimelineGroup
LORD, ABBETT & CO. LLC184,274$59.3M0.19%-83,24013F-HRTimeline
OP Asset Management Ltd183,332$59M0.61%-1,58813F-HR/ATimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.180,481$58.1M0.2%+18,45313F-HRTimelineGroup
Amundiin group Amundi171,587$55.2M0.02%+101,65313F-HRTimelineGroup
Gotham Asset Management, LLC170,770$54.9M0.17%-36,75913F-HRTimeline
RHUMBLINE ADVISERS168,113$54.1M0.05%+3,48613F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding166,423$53.5M-36,315Timeline
Nuveen, LLCin group TIAA161,541$52M0.01%+2,47613F-HRTimelineGroup
KIRR MARBACH & CO LLC /IN/160,197$51.5M9.39%-7,35913F-HRTimeline
Goodlander Investment Management, LLC145,000$46.7M16.14%-25,00013F-HRTimeline
HILLMAN CO144,689$46.6M18.1%013F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP144,548$46.5M0.04%-55,69513F-HRTimeline
SG Americas Securities, LLC138,809$44.7M0.05%+109,04013F-HRTimeline
SAMLYN CAPITAL, LLCin group SAMLYN CAPITAL, LLC138,080$44.4M0.76%-168,28313F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC137,151$44.1M0.02%-13,05013F-HRTimelineGroup
COUNTRY TRUST BANK131,651$42.4M0.81%-60,47113F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management128,628$41.4M0.08%+49713F-HRTimelineGroup
Swiss National Bank126,000$40.5M0.02%+1,50013F-HRTimeline
ALGERT GLOBAL LLC118,056$38M0.57%-8,17913F-HR/ATimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN117,012$37.6M0.01%-19,18413F-HR/ATimelineGroup
California Public Employees Retirement …116,324$37.4M0.02%-18413F-HRTimeline
Newbrook Capital Advisors LP112,985$36.4M6.76%new13F-HRTimeline
ThornTree Capital Partners LP112,741$36.3M6.44%new13F-HRTimeline
COMMUNITY TRUST & INVESTMENT CO109,913$35.4M1.92%-14,12213F-HRTimeline
Driehaus Capital Management LLC104,002$33.5M0.25%-19313F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.102,905$33.1M0.05%-4,00113F-HRTimelineGroup
Holocene Advisors, LP101,724$32.7M0.08%-307,02213F-HRTimeline
Webs Creek Capital Management LP101,590$32.7M5.66%-100,27413F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP100,326$32.3M0.03%+4,02213F-HRTimelineGroup
JENNISON ASSOCIATES LLC99,486$32M0.02%-3,37013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC94,548$30.4M0.01%+24,55213F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC93,956$30.2M0.03%+90,39313F-HRTimelineGroup
Legacy Advisors, LLC93,953$30.2M3.56%-286,75513F-HRTimeline
Trexquant Investment LP92,112$29.6M0.21%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc91,862$29.6M0.01%-4,96713F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…94,669$29.5M0.29%+86,02013F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO89,109$28.7M0.03%-12,60713F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.87,486$28.1M0.08%+46,58613F-HRTimelineGroup
Quantinno Capital Management LP84,387$27.2M0.05%+11,19313F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC83,706$26.9M1.3%-100,13213F-HRTimeline
LGT Group Foundationin group LGT Group Foundation81,169$26.1M0.32%new13F-HRTimelineGroup
LPL Financial LLC80,847$26M0.01%-2,22513F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK80,025$25.7M0.05%+79,98313F-HRTimelineGroup
MAKENA CAPITAL MANAGEMENT LLC79,225$25.5M2.94%-23,19813F-HRTimeline
Retirement Systems of Alabama75,196$24.2M0.08%+1,58213F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…74,850$24.1M0.03%-112,66613F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…73,004$23.5M0.02%+13,18713F-HRTimeline
CUSHING ASSET MANAGEMENT, LP dba NXG IN…70,900$22.8M1.14%+40013F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding70,263$22.6M-130,680Timeline
RIPOSTE CAPITAL LLC70,000$22.5M10.3%+43,14113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA68,974$22.2M<0.01%-13,77913F-HRTimelineGroup
HRT FINANCIAL LP68,014$21.9M0.05%+37,06813F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…67,367$21.7M0.05%-12,68913F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\65,978$21.2M0.01%-12,27913F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC65,567$21.1M0.01%-18,72213F-HRTimelineGroup
IEQ CAPITAL, LLC65,123$21M0.1%-6,06813F-HRTimeline
Raiffeisen Bank International AGin group Raiffeisen Bank International…66,000$20.2M0.29%013F-HRTimelineGroup
1832 Asset Management L.P.61,000$19.6M0.03%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/60,807$19.6M<0.01%+6,02413F-HRTimeline
Square Wave Capital, LLC60,600$19.5M4.72%new13F-HRTimeline
Swedbank ABin group Swedbank AB58,600$18.9M0.02%-5,70013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.86,045$18.7M0.01%-43,01813F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC58,370$18.7M0.01%-4,36213F-HRTimelineGroup
Banco Santander, S.A.in group Banco Santander, S.A.57,877$18.6M0.15%013F-HRTimelineGroup
Atika Capital Management LLCin group Atika Capital Management LLC57,636$18.5M2.93%+1,63813F-HRTimelineGroup
CloudAlpha Capital Management Limited/H…57,400$18.5M2.03%new13F-HRTimeline
ING GROEP NV56,870$18.3M0.11%new13F-HRTimeline
ExodusPoint Capital Management, LP55,985$18M0.18%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC55,184$17.8M0.01%+36,49113F-HRTimelineGroup
Moran Wealth Management, LLC55,004$17.7M0.54%-9,84213F-HRTimeline
Aventail Capital Group, LP54,407$17.5M0.85%+35,56913F-HRTimeline
STEPHENS INC /AR/in group Stephens Investment Managemen…53,472$17.2M0.22%+9,67913F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.53,355$17.2M0.01%-185,52713F-HRTimelineGroup
AGF MANAGEMENT LTDin group AGF MANAGEMENT LTD51,989$16.7M0.07%-1,24713F-HRTimelineGroup
BRUNI J V & CO /CO50,645$16.3M1.7%-81913F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…50,138$16.1M0.03%013F-HRTimeline
Advisors Asset Management, Inc.47,695$15.3M0.26%+5,44513F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD47,641$15.3M0.04%-4,01613F-HRTimeline
STRS OHIO47,588$15.3M0.06%+46,09813F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.47,500$15.3M0.04%-15,96913F-HRTimelineGroup
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA46,171$14.9M0.03%+30,65313F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC46,034$14.8M0.02%+1913F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC45,916$14.8M0.12%-7,19113F-HRTimeline
Asset Management One Co., Ltd.45,635$14.6M0.04%-13,72013F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC45,000$14.5M0.06%+31,15713F-HRTimeline
MUHLENKAMP & CO INC42,832$13.8M3.63%-62,92813F-HRTimeline
First Washington CORP41,721$13.4M3.8%-5313F-HRTimeline
Sterling Capital Management LLC41,684$13.4M0.25%-10,59613F-HRTimeline
LMR Partners LLPin group LMR Partners LLP41,096$13.2M0.12%-16,25313F-HRTimelineGroup
J. Safra Sarasin Holding AGin group J. Safra Sarasin Holding AG40,545$13M0.22%013F-HRTimelineGroup
Bridgewater Associates, LP40,138$12.9M0.06%+29,41413F-HRTimeline
Janney Montgomery Scott LLC39,744$12.8M0.03%+12,80213F-HRTimeline
Dorsey Wright & Associates39,061$12.6M1.56%+26,82313F-HRTimeline
CWM, LLCin group CWM, LLC38,107$12.3M0.03%+7,50213F-HRTimelineGroup
PINEBRIDGE INVESTMENTS LLC37,947$12.2M0.1%+7,76313F-HRTimeline
Jain Global LLC37,729$12.1M0.15%new13F-HRTimeline
SIR Capital Management, L.P.36,499$11.7M1.1%-95,40013F-HRTimeline
PINNBROOK CAPITAL MANAGEMENT LP36,187$11.6M9.51%+10,00213F-HRTimeline
SCOPUS ASSET MANAGEMENT, L.P.35,857$11.5M0.36%-21,14413F-HRTimeline
Cambridge Investment Research Advisors,…35,735$11.5M0.03%+11,48513F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co35,647$11.5M0.02%+15413F-HRTimelineGroup
STOREBRAND ASSET MANAGEMENT AS35,360$11.4M0.03%-10,48713F-HRTimeline
J. Goldman & Co LP34,962$11.2M0.52%new13F-HRTimeline
MARCO INVESTMENT MANAGEMENT LLC34,565$11.1M0.84%-6013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …33,203$11.1M0.02%-18,67213F-HRTimelineGroup
Erste Asset Management GmbHin group Erste Asset Management GmbH36,125$11M0.1%+3,09513F-HRTimelineGroup
TD Waterhouse Canada Inc.32,674$11M0.03%+31,99013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…34,026$10.9M0.04%-12,92813F-HRTimeline
ZACKS INVESTMENT MANAGEMENT33,898$10.9M0.09%-2,28413F-HRTimeline
Empowered Funds, LLC32,965$10.6M0.07%new13F-HR/ATimeline
MML INVESTORS SERVICES, LLC32,597$10.5M0.03%-8,38713F-HRTimeline
Connor, Clark & Lunn Investment Managem…32,464$10.4M0.02%+16,80913F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP32,329$10.4M0.01%+9,36813F-HRTimelineGroup
CHASE INVESTMENT COUNSEL CORP31,684$10.2M2.68%+1,90613F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC31,568$10.2M0.03%-10,31513F-HRTimelineGroup
Hel Ved Capital Management Ltd31,140$10M1.73%+6,91513F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.31,075$10M0.01%+11,96713F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND30,929$9.95M0.01%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…30,779$9.9M0.05%+16313F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC30,569$9.84M0.18%-7,58613F-HRTimeline
COHEN & STEERS, INC.in group COHEN & STEERS, INC.30,326$9.76M0.02%-4,71413F-HRTimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP24,719$9.74M0.53%new13F-HRTimeline
AMALGAMATED BANK29,476$9.48M0.07%+88613F-HRTimeline
Tribune Investment Group LP29,000$9.33M6.27%new13F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding28,446$9.15M+25,589Timeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding28,242$9.09M-14,545Timeline
JANUS HENDERSON GROUP PLCin group Janus Henderson27,855$8.96M<0.01%013F-HR/ATimelineGroup
KINGSWOOD WEALTH ADVISORS, LLC27,808$8.95M0.42%-16213F-HRTimeline
DANSKE BANK A/S27,364$8.8M0.02%-39913F-HRTimeline
Candriam S.C.A.27,272$8.77M0.05%-27,12613F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…40,128$8.66M0.02%+19,00913F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.26,865$8.64M0.11%-18,18213F-HRTimelineGroup
Dana Investment Advisors, Inc.26,819$8.63M0.26%-5,34713F-HRTimeline
Treasurer of the State of North Carolina26,626$8.57M0.03%+56313F-HRTimeline
Police & Firemen's Retirement System of…26,487$8.52M0.07%+13913F-HRTimeline
State of Tennessee, Department of Treas…26,474$8.52M0.03%013F-HRTimeline
SummitTX Capital, L.P.26,473$8.52M0.27%-29,16713F-HRTimeline
L & S Advisors Inc26,110$8.4M1.06%new13F-HRTimeline
PDT Partners, LLC25,533$8.21M0.49%013F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC25,084$8.07M0.17%-2,93913F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC24,840$7.99M0.04%+3,66113F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC24,517$7.89M0.08%-12,00313F-HRTimeline
Schonfeld Strategic Advisors LLC24,275$7.81M0.06%+22,49513F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…24,262$7.81M0.02%-6,08113F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC24,169$7.78M0.01%-2,21913F-HRTimeline
SCOTIA CAPITAL INC.24,059$7.74M0.03%-54613F-HRTimeline
TCW GROUP INCin group TCW GROUP INC23,720$7.63M0.06%+4,42513F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…23,505$7.56M0.09%-2,02213F-HRTimelineGroup
Hodges Capital Management Inc.23,449$7.54M0.62%-2,62713F-HRTimeline
INTRINSIC EDGE CAPITAL MANAGEMENT LLC22,257$7.16M1.3%-22,00013F-HRTimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.22,202$7.14M0.03%+13,30213F-HRTimelineGroup