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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.

Q4 2025 vs. Q3 2025

How the institutions holding Mastec Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of MTZ: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders65211695+54
Shares57.3M139.9K58.7M+1.58M (+2.8%)
Value$12.2B$29.7M$12.8B+$615.7M (+5.1%)

11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (121)

Institutions that held Mastec Inc at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 121 by value.

Institutions new to MTZ in Q4 2025
InstitutionSharesValue% of portfolio
Coatue Management LLCSuperinvestorCoatue Management677,909$147.4M0.37%
Nomura Asset Management International Inc.542,733$118.0M0.18%
Holocene Advisors, LP408,746$88.8M0.19%
Cartenna Capital, LP300,000$65.2M3.43%
Bowen Hanes & Co Inc195,440$42.5M1.07%
Marshall Wace, LLP102,403$22.3M0.02%
Capstone Investment Advisors, LLC100,997$22.0M0.18%
Norges Bank60,481$13.1M0.00%
Zweig-DiMenna Associates LLC40,000$8.69M0.62%
HRT Financial LP30,946$6.73M0.02%
Pinebridge Investments LLC30,184$6.56M0.05%
Riposte Capital LLC26,859$5.84M2.43%
Hel Ved Capital Management Ltd24,225$5.27M1.82%
Partners Capital Investment Group, LLP20,623$4.48M0.17%
Bokf, NA20,030$4.35M0.07%
Symmetry Investments LP19,463$4.23M0.79%
HITE Hedge Asset Management LLC15,864$3.45M0.22%
Connor, Clark & Lunn Investment Management Ltd.15,655$3.40M0.01%
New Age Alpha Advisors, LLC14,837$3.23M0.14%
Soros Fund Management LLCSuperinvestorSoros Fund Management14,704$3.20M0.04%
Freemont Management S.A.11,000$2.39M0.47%
Aperture Investors, LLC10,978$2.39M0.33%
Bridgewater Associates, LP10,724$2.33M0.01%
Atom Investors LP8,814$1.92M0.15%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.8,436$1.84M0.00%
Integrated Quantitative Investments LLC7,752$1.69M0.36%
Commerce Bank7,745$1.68M0.01%
MH & Associates Securities Management Corp7,629$1.66M1.35%
SBI Okasan Asset Management Co.Ltd.7,400$1.65M0.09%
Perbak Capital Partners LLP7,395$1.61M0.49%
NLB Skladi, upravljanje premozenja, d.o.o.7,000$1.52M0.07%
Keating Financial Advisory Services, Inc.6,255$1.36M0.18%
Hudson Bay Capital Management LP6,063$1.32M0.01%
Mitsubishi UFJ Asset Management (UK) Ltd.6,000$1.30M0.64%
Y-Intercept (Hong Kong) Ltd5,432$1.18M0.03%
Ethic Inc.5,234$1.14M0.02%
Blue Line Capital, LLC5,194$1.13M1.34%
PensionDanmark Pensionsforsikringsaktieselskab4,590$997.7K0.01%
Graham Capital Management, L.P.4,500$978.2K0.03%
Wellington Grp LLC4,265$927.1K0.31%
Vestmark Advisory Solutions, Inc.3,997$868.8K0.01%
Headlands Technologies LLC3,731$811.0K0.07%
Evolve Private Wealth, LLC3,620$786.9K0.05%
Gaddis Premier Wealth Advisors LLC3,248$706.0K0.54%
Mirabella Financial Services LLP2,698$586.5K0.06%
GWN Securities Inc.2,683$583.2K0.12%
BDFS Capital LLC2,517$547.1K0.28%
Simplex Trading, LLC2,516$546.9K0.02%
Ridge Creek Global, Inc2,400$521.7K0.44%
NewCorp Financial Services, Inc.2,345$509.7K0.45%
Clearwave Capital, LLC2,265$492.3K0.36%
Gsa Capital Partners LLP2,263$492.0K0.04%
XTX Topco Ltd2,258$490.8K0.01%
Hollencrest Capital Management2,240$486.9K0.02%
Two Sigma Securities, LLC2,204$479.1K0.07%
Thoroughbred Financial Services, LLC2,205$479.0K0.03%
North Dakota State Investment Board2,190$476.0K0.02%
Gilpin Wealth Management, LLC2,150$467.3K0.37%
EP Wealth Advisors, LLC2,028$440.8K0.00%
CAPROCK Group, Inc.1,855$403.2K0.01%
Index Technologies Group LLC1,802$391.7K0.41%
Sprinkle Financial Consultants LLC1,763$383.2K0.19%
PFG Advisors1,703$370.2K0.02%
Machina Capital S.A.S.1,696$368.7K0.07%
Picton Mahoney Asset Management1,668$362.6K0.00%
Laird Norton Trust Company, LLC1,629$354.1K0.01%
55 North Private Wealth, LLC1,580$343.4K0.09%
Brant Point Investment Management LLC1,500$326.1K0.08%
Sigma Planning Corp1,467$318.9K0.01%
F/M Investments LLC1,342$291.7K0.01%
Eurizon Capital SGR S.p.A.1,315$288.0K0.00%
Advisory Advocates, LLC1,292$280.8K0.28%
Glenview Trust Co1,212$263.5K0.00%
Integrated Investment Consultants, LLC1,190$258.7K0.05%
Vise Technologies, Inc.1,167$253.7K0.00%
Argentarii, LLC1,165$253.2K0.09%
Armis Advisers, LLC817$245.6K0.03%
Baker Avenue Asset Management, LP1,117$242.8K0.01%
Cambria Investment Management, L.P.1,077$234.1K0.01%
Capital City Trust Co1,030$223.9K0.05%
QRG Capital Management, Inc.975$211.8K0.00%
Jackson Thornton Asset Management, LLC880$208.0K0.02%
Argent Capital Management LLC935$203.2K0.01%
National Bank of Canada929$201.6K0.00%
Old National Bancorp926$201.3K0.00%
Calamos Wealth Management LLC924$200.8K0.01%
Fox Run Management, L.L.C.921$200.2K0.03%
McGuire Capital Advisors Inc807$175.4K0.11%
Gunpowder Capital Management, LLC dba Oliver Wealth Management600$130.4K0.10%
International Assets Investment Management, LLC479$104.1K0.01%
Brookfield Asset Management Inc.351$76.3K0.00%
Migdal Insurance & Financial Holdings Ltd.140$30.0K0.00%
Torren Management, LLC110$23.9K0.01%
Tradewinds Capital Management, LLC100$21.7K0.00%
Commonwealth Retirement Investments LLC100$21.7K0.01%
REAP Financial Group, LLC100$21.7K0.00%
Elyxium Wealth, LLC98$21.3K0.01%
Basecamp Wealth Advisors LLC97$21.1K0.00%
Key Financial Inc75$16.3K0.00%
Zions Bancorporation, National Association70$15.2K0.00%

Sold out (67)

Institutions that held Mastec Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MTZ in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Macquarie Group Ltd615,973$131.1M
DnB Asset Management AS280,566$59.7M
Orbis Allan Gray Ltd226,799$48.3M
Maplelane Capital, LLC101,000$21.5M
1832 Asset Management L.P.94,500$20.1M
Susquehanna International Group, LLP55,980$11.9M
Frontier Capital Management Co LLC53,702$11.4M
Jump Financial, LLC33,751$7.18M
Lighthouse Investment Partners, LLC32,500$6.92M
Concentric Capital Strategies, LP32,024$6.82M
AMF Pensionsforsakring AB23,604$5.02M
ExodusPoint Capital Management, LP20,193$4.30M
UBS Oconnor LLC19,080$4.06M
Trexquant Investment LP17,745$3.78M
L & S Advisors Inc15,863$3.38M
Mubadala Investment Co PJSC15,320$3.26M
Edmond de Rothschild Holding S.A.15,000$3.19M
Vennlight Capital Management, LP14,556$3.10M
Advantage Alpha Capital Partners LP13,298$2.83M
NJ State Employees Deferred Compensation Plan13,000$2.77M
Gallo Partners, LP10,800$2.30M
DRW Securities, LLC10,524$2.24M
1060 Capital, LLC10,000$2.13M
Strategic Global Advisors, LLC9,548$2.03M
Oppenheimer & Co Inc8,472$1.80M
Profit Investment Management, LLC8,330$1.77M
Caption Management, LLC7,300$1.55M
Ossiam6,545$1.39M
Massachusetts Financial Services Co6,462$1.38M
Brighton Jones LLC5,681$1.21M
Dark Forest Capital Management LP5,098$1.08M
Alps Advisors Inc4,625$984.2K
Entropy Technologies, LP4,254$905.3K
SPX Equities Gestao de Recursos Ltda4,200$893.8K
Shay Capital LLC4,000$851.2K
Occudo Quantitative Strategies LP3,322$707.0K
MQS Management LLC2,890$615.0K
Worldquant Millennium Advisors LLC2,495$531.0K
Convergence Investment Partners, LLC2,481$528.0K
Brookwood Investment Group LLC2,210$470.3K
Jain Global LLC1,970$419.2K
Penserra Capital Management LLC1,950$414.0K
SkyView Investment Advisors, LLC1,848$393.0K
Smith Group Asset Management, LLC1,730$368.2K
Qsemble Capital Management, LP1,653$351.8K
Sherbrooke Park Advisers LLC1,393$296.4K
American Trust1,317$280.3K
Kovitz Investment Group Partners, LLC1,186$252.4K
Flow Traders U.S. LLC1,122$239.0K
Change Path, LLC1,100$234.1K
Empowered Funds, LLC1,062$226.0K
Pitcairn Co1,058$225.2K
Oppenheimer Asset Management Inc.1,029$219.0K
PVG Asset Management Corp996$212.0K
Brinker Capital Investments, LLC986$209.8K
Equitable Holdings, Inc.953$202.8K
Wealth Alliance953$202.8K
Rise Advisors, LLC667$141.9K
ISAM Funds (UK) Ltd528$112.4K
Principal Securities, Inc.450$95.8K
JDM Financial Group LLC70$14.9K
Pension & Wealth Management Advisors, Inc.43$9.15K
Halbert Hargrove Global Advisors, LLC22$4.68K
Heartwood Wealth Advisors LLC10$2.13K
Cloud Capital Management, LLC12$2.00K
Tortoise Investment Management, LLC2$426
New Millennium Group LLC2$426

Not filed for Q4 2025 yet (11)

Institutions that held Mastec Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MTZ in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Pinebridge Investments, L.P.42,151$8.97M
Cubist Systematic Strategies, LLC35,125$7.47M
AXA Investment Managers S.A.25,923$5.52M
Otter Creek Advisors, LLC15,810$3.37M
Wolverine Trading, LLC12,055$2.53M
Sheets Smith Investment Management4,011$853.6K
Full Sail Capital, LLC2,028$431.6K
Point72 Hong Kong Ltd1,676$356.7K
Shell Asset Management Co893$190.0K
Hemington Wealth Management156$33.0K
Creekmur Asset Management LLC25$5.32K