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Livermore
Livermore
ZHEN

Mastec Inc

MTZ
Exchange
NYSE
Industry
Water, Sewer, Pipeline, Comm & Power Line Construction
SEC CIK
0000015615

No open-market purchases or sales by Mastec Inc insiders were filed in the last 90 days; 911 institutions reported holding it in 13F filings for Q2 2026, worth $24.7B in total; 4 superinvestors hold it, including Lone Pine Capital and Coatue Management.

Q2 2026 vs. Q1 2026

How the institutions holding Mastec Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of MTZ: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders81110911+110
Shares58.0M94.3K59.4M+1.49M (+2.6%)
Value$18.6B$30.3M$24.7B+$6.10B (+32.8%)

10 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (185)

Institutions that held Mastec Inc at the end of Q2 2026 but not at the end of Q1 2026.

Showing the largest 100 of 185 by value.

Institutions new to MTZ in Q2 2026
InstitutionSharesValue% of portfolio
T. Rowe Price Investment Management, Inc.593,724$247.0M0.16%
Clearbridge Investments, LLC218,591$90.9M0.08%
Maplelane Capital, LLC88,800$36.9M1.55%
Zimmer Partners, LP85,000$35.4M0.84%
Norges Bank55,571$23.1M0.00%
Aviva PLC48,775$20.3M0.03%
Korea Investment CORP45,696$19.0M0.04%
Vinva Investment Management Ltd39,063$16.8M0.11%
Covalis Capital LLP30,842$12.8M0.72%
Mitsubishi UFJ Trust & Banking Corp29,084$12.1M0.03%
Nykredit A/S19,676$8.19M0.03%
Scalar Gauge Management, LLC19,000$7.91M4.36%
Capitolis Liquid Global Markets LLC19,000$7.91M0.03%
Mn Services Vermogensbeheer B.V.17,800$7.41M0.06%
RH Tailwind Management, LLC17,000$7.07M3.30%
Jupiter Topco LLC15,153$6.30M0.00%
Van Eck Associates Corp14,242$5.93M0.00%
Kornitzer Capital Management Inc14,111$5.87M0.12%
Lansforsakringar Fondforvaltning AB (publ)13,705$5.70M0.03%
Silvant Capital Management LLC13,541$5.63M0.16%
CVFG LLC13,490$5.61M0.59%
Caption Management, LLC13,200$5.49M0.19%
Edgestream Partners, L.P.12,568$5.23M0.16%
Mitchell Capital Management Co12,486$5.19M0.79%
IFM Investors Pty Ltd12,326$5.13M0.03%
Moore Capital Management, LP9,471$3.94M0.09%
BI Asset Management Fondsmaeglerselskab A/S9,255$3.85M0.03%
British Columbia Investment Management Corp9,157$3.81M0.02%
Donoghue Forlines LLC8,986$3.74M0.97%
Flputnam Investment Management Co8,824$3.67M0.04%
Nissay Asset Management Corp8,252$3.43M0.01%
ASR Vermogensbeheer N.V.8,068$3.36M0.03%
Worldquant Millennium Advisors LLC7,841$3.26M0.01%
Standard Life Aberdeen plc7,576$3.15M0.00%
Graham Capital Management, L.P.7,423$3.09M0.08%
Blackstone Group Inc.7,061$2.94M0.01%
Sumitomo Mitsui DS Asset Management Company, Ltd6,995$2.91M0.02%
Bridgeway Capital Management, LLC6,640$2.76M0.05%
Meitav Dash Investments Ltd6,180$2.61M0.02%
Fred Alger Management, LLC6,198$2.58M0.01%
South Dakota Investment Council6,173$2.57M0.04%
Fulcrum Asset Management LLP5,800$2.49M0.25%
Fideuram Asset Management (Ireland) dac5,968$2.29M0.04%
Harold Davidson & Associates Inc.5,129$2.13M0.93%
Florida Financial Advisors, LLC5,033$2.09M0.35%
Abn Amro Investment Solutions4,904$2.04M0.02%
TFR Capital, LLC.4,753$1.98M0.56%
Genus Capital Management Inc.4,735$1.97M0.19%
Gulf International Bank (UK) Ltd4,666$1.94M0.04%
Saudi Central Bank4,276$1.78M0.02%
Entropy Technologies, LP4,230$1.76M0.07%
Macquarie Group Ltd4,130$1.72M0.01%
AG2R la Mondiale Gestion D'Actifs3,941$1.64M0.06%
Investment Management Corp of Ontario3,880$1.61M0.02%
Turas Capital Management LP3,720$1.55M0.71%
Woodline Partners LP3,487$1.45M0.00%
Allianz SE3,486$1.45M0.02%
CWM Advisors, LLC3,414$1.42M0.06%
Omers Administration Corp3,365$1.40M0.01%
Veracity Capital LLC3,230$1.34M0.36%
Element Squared LLC3,150$1.31M0.65%
BFSG, LLC2,793$1.16M0.10%
Global Retirement Partners, LLC2,496$1.04M0.02%
Quantitative Investment Management, LLC2,496$1.04M0.11%
E. Ohman J:or Asset Management AB2,340$973.6K0.02%
Dai-Ichi Life Insurance Company, Ltd2,328$968.6K0.02%
Sig Brokerage, LP2,155$896.6K0.14%
Diversified Trust Co2,122$882.9K0.01%
Armistice Capital, LLC2,104$875.4K0.02%
Caxton Associates LLP2,078$864.6K0.02%
Benjamin Edwards Inc1,882$783.0K0.01%
Proficio Capital Partners LLC1,873$779.3K0.03%
XTX Topco Ltd1,832$762.2K0.01%
Cynosure Management, LLC1,802$749.7K0.11%
Private Advisory Group LLC1,794$746.4K0.04%
Caisse des Depots Et Consignations1,790$744.7K0.01%
UniSuper Management Pty Ltd1,716$714.0K0.00%
Inceptionr LLC1,614$671.5K0.17%
Oak Thistle LLC1,541$641.1K0.06%
J. M. Brown & Associates Inc.1,406$585.0K0.33%
Two Sigma Securities, LLC1,286$535.1K0.05%
DV Trading LLC1,263$525.5K0.04%
Prudential PLC1,238$515.1K0.00%
Ossiam1,221$508.0K0.01%
Odyssean, LLC1,219$507.2K0.08%
Sound Capital Solutions LLC1,210$503.4K0.12%
Verus Capital Partners, LLC1,161$483.0K0.03%
Kingsview Wealth Management, LLC1,135$472.2K0.01%
Tredje AP-fonden1,075$447.3K0.00%
Ostrum Asset Management1,041$433.1K0.02%
AlphaCore Capital LLC1,000$416.1K0.01%
Comprehensive Financial Planning, Inc.982$408.6K0.22%
Azzad Asset Management Inc978$407.0K0.04%
Virtue Capital Management, LLC971$404.0K0.05%
Osmosis Investment Management UK Ltd897$373.2K0.02%
Capricorn Fund Managers Ltd880$366.1K0.03%
Siemens Fonds Invest GmbH870$362.0K0.02%
Fulton Bank, N.A.852$354.5K0.01%
Grantham, Mayo, Van Otterloo & Co. LLC847$352.4K0.00%
NewEdge Wealth, LLC826$343.7K0.00%

Sold out (75)

Institutions that held Mastec Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of MTZ in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Citadel Advisors LLC279,778$90.0M
Holocene Advisors, LP101,724$32.7M
1832 Asset Management L.P.61,000$19.6M
CloudAlpha Capital Management Limited/Hong Kong57,400$18.5M
ExodusPoint Capital Management, LP55,985$18.0M
Muhlenkamp & Co Inc42,832$13.8M
Jain Global LLC37,729$12.1M
SummitTX Capital, L.P.26,473$8.52M
Bokf, NA20,001$6.44M
1060 Capital, LLC19,700$6.34M
Mariner, LLC18,544$5.97M
Farallon Capital Management, L.L.C.17,000$5.47M
Lisanti Capital Growth, LLC15,073$4.85M
Arosa Capital Management LP15,000$4.83M
Arete Wealth Advisors, LLC12,297$3.94M
Walleye Trading LLC11,081$3.57M
Freemont Management S.A.10,000$3.22M
Jacobs Levy Equity Management, Inc8,961$2.88M
New York Life Investment Management LLC8,238$2.65M
Virginia Retirement Systems Et Al7,100$2.28M
Jackson Creek Investment Advisors LLC6,911$2.22M
Rokos Capital Management LLP6,813$2.19M
Aigen Investment Management, LP6,201$2.00M
Ardsley Advisory Partners LP5,000$1.61M
SIH Partners, LLLP4,993$1.61M
Wright Investors Service Inc3,648$1.17M
Fieldview Capital Management, LLC2,256$725.8K
EP Wealth Advisors, LLC1,943$625.1K
Parkwood LLC1,844$593.0K
State of Wyoming1,776$571.4K
Rhodes Investment Advisors Inc1,715$551.8K
CTC Alternative Strategies, Ltd.1,620$521.2K
SMART Wealth LLC1,544$496.8K
Machina Capital S.A.S.1,475$474.6K
ISAM Funds (UK) Ltd1,337$430.2K
Penserra Capital Management LLC1,254$403.0K
Verdence Capital Advisors LLC1,223$393.5K
Renasant Bank1,129$363.2K
Rathbone Brothers plc1,015$326.6K
Capital Performance Advisors LLP1,013$325.9K
Roman Butler Fullerton & Co925$322.0K
Qsemble Capital Management, LP987$317.6K
Brown Advisory Inc983$316.4K
Advisory Alpha, LLC977$314.3K
Quantessence Capital LLC961$309.2K
White Pine Capital LLC900$289.6K
Bayforest Capital Ltd893$287.3K
Retirement Planning Group880$283.1K
Marshall Wace, LLP852$274.1K
Calamos Wealth Management LLC850$273.5K
Fi3 FINANCIAL ADVISORS, LLC808$260.0K
Hartree Partners, LP800$257.4K
Evoke Wealth, LLC685$220.4K
OmniStar Financial Group, Inc.644$207.2K
Optiver Holding B.V.553$177.9K
Thurston, Springer, Miller, Herd & Titak, Inc.407$130.9K
Root Financial Partners, LLC311$100.1K
Migdal Insurance & Financial Holdings Ltd.296$95.2K
True Link Financial Advisors, LLC288$92.7K
Wellington Grp LLC259$83.3K
Princeton Global Asset Management LLC200$64.3K
MAI Capital Management136$43.8K
Wall Street Financial Group, Inc.130$41.8K
RWM Asset Management, LLC105$33.8K
Golden State Equity Partners93$29.9K
IFG Advisory, LLC48$15.4K
Twin Peaks Wealth Advisors, LLC37$11.9K
Intentional Wealth Strategies, LLC35$11.3K
Ancora Advisors, LLC20$6.43K
Wolff Wiese Magana LLC14$4.50K
MCF Advisors LLC6$1.93K
Vermillion Wealth Management, Inc.6$1.93K
Frazier Financial Advisors, LLC2$644
Curio Wealth, LLC2$643
TopTier Wealth Management, LLC1$322

Not filed for Q2 2026 yet (10)

Institutions that held Mastec Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MTZ in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC38,107$12.3M
Janus Henderson Group PLC27,855$8.96M
Richard Bernstein Advisors LLC13,515$4.35M
Arcadia Investment Management Corp7,174$2.31M
Skopos Labs, Inc.4,617$1.49M
Journey Strategic Wealth LLC1,296$417.0K
First Affirmative Financial Network881$283.4K
USA Financial Portformulas Corp537$172.8K
Evelyn Partners Asset Management Ltd250$80.4K
Sunbelt Securities, Inc.99$31.9K