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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.

13F holders, Q3 2024

Institutional positions in Mastec Inc as of Sep 30, 2024. 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
470
+44 vs. Q2 2024
Shares held
57.7M
+4.25M (+8.0%) vs. Q2 2024
Total value
$7.09B
+$1.36B (+23.8%) vs. Q2 2024
New holders
89
148 more added
Sold out
45
147 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MTZ 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 holdersQ3 2024: 470 institutions
Q1 2021: 392 institutionsQ2 2021: 415 institutionsQ3 2021: 366 institutionsQ4 2021: 388 institutionsQ1 2022: 388 institutionsQ2 2022: 356 institutionsQ3 2022: 338 institutionsQ4 2022: 386 institutionsQ1 2023: 394 institutionsQ2 2023: 393 institutionsQ3 2023: 382 institutionsQ4 2023: 368 institutionsQ1 2024: 382 institutionsQ2 2024: 430 institutionsQ3 2024: 470 institutionsQ4 2024: 532 institutionsQ1 2025: 523 institutionsQ2 2025: 594 institutionsQ3 2025: 652 institutionsQ4 2025: 695 institutionsQ1 2026: 811 institutionsQ2 2026: 911 institutions
Value heldQ3 2024: $7.09B
Q1 2021: $5.59BQ2 2021: $5.77BQ3 2021: $4.53BQ4 2021: $4.77BQ1 2022: $4.70BQ2 2022: $3.91BQ3 2022: $3.53BQ4 2022: $4.97BQ1 2023: $5.49BQ2 2023: $6.85BQ3 2023: $4.11BQ4 2023: $4.66BQ1 2024: $5.51BQ2 2024: $6.35BQ3 2024: $7.09BQ4 2024: $7.83BQ1 2025: $6.56BQ2 2025: $9.50BQ3 2025: $12.2BQ4 2025: $12.8BQ1 2026: $18.6BQ2 2026: $24.7B
Institutions holding MTZ and their total value by quarter
QuarterHoldersValue
Q2 2026911$24.7B
Q1 2026811$18.6B
Q4 2025695$12.8B
Q3 2025652$12.2B
Q2 2025594$9.50B
Q1 2025523$6.56B
Q4 2024532$7.83B
Q3 2024470$7.09B
Q2 2024430$6.35B
Q1 2024382$5.51B
Q4 2023368$4.66B
Q3 2023382$4.11B
Q2 2023393$6.85B
Q1 2023394$5.49B
Q4 2022386$4.97B
Q3 2022338$3.53B
Q2 2022356$3.91B
Q1 2022388$4.70B
Q4 2021388$4.77B
Q3 2021366$4.53B
Q2 2021415$5.77B
Q1 2021392$5.59B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2024.

Institutions holding MTZ in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Walleye Trading LLC4,720$581.0K0.01%+4,720New
Neo Ivy Capital Management4,816$592.0K0.19%+4,816New
Dorsey & Whitney Trust CO LLC5,005$616.1K0.03%+17+0.3%Added
Concurrent Investment Advisors, LLC5,016$617.5K0.02%+66+1.3%Added
JustInvest LLC5,067$623.7K0.01%−103−2.0%Reduced
Tributary Capital Management, LLC5,220$642.6K0.05%−2,450−31.9%Reduced
Neuberger Berman Group LLC5,494$676.3K0.00%−10.0%Reduced
Ausbil Investment Management Ltd5,596$688.9K0.24%+5,596New
Emerald Advisers, LLC5,609$690.5K0.03%−134−2.3%Reduced
Crestwood Advisors Group LLC5,652$695.8K0.01%+19+0.3%Added
Engineers Gate Manager LP5,805$714.6K0.01%−30,231−83.9%Reduced
Seven Eight Capital, LP5,809$715.1K0.06%+5,809New
Linden Thomas Advisory Services, LLC5,881$724.0K0.10%−45−0.8%Reduced
Perbak Capital Partners LLP5,939$731.1K0.51%−24,322−80.4%Reduced
Sherbrooke Park Advisers LLC6,056$745.5K0.17%+6,056New
Ieq Capital, LLC6,064$746.5K0.01%+6,064New
Raymond James Financial Services Advisors, Inc.6,120$753.4K0.00%+519+9.3%Added
Cetera Investment Advisers6,187$761.6K0.00%−41−0.7%Reduced
Hillsdale Investment Management Inc.6,500$800.1K0.06%+1,000+18.2%Added
Tower Research Capital LLC (TRC)6,518$802.4K0.02%+4,686+255.8%Added
Crestline Management, LP6,538$804.8K0.05%+6,538New
Point72 (DIFC) Ltd6,746$830.5K0.06%+6,746New
Public Employees Retirement Association of Colorado6,794$836.0K0.00%00.0%Unchanged
Nebula Research & Development LLC6,973$858.4K0.10%+6,973New
State of Alaska, Department of Revenue7,013$863.0K0.01%+485+7.4%Added
Kayne Anderson Capital Advisors LP7,078$871.3K0.02%−7,753−52.3%Reduced
Semanteon Capital Management, LP7,124$877.0K0.60%+7,124New
Pallas Capital Advisors LLC7,175$879.2K0.04%+3,691+105.9%Added
O'Shaughnessy Asset Management, LLC7,057$885.2K0.01%+467+7.1%Added
Quest Partners LLC7,220$888.8K0.08%+7,218+360,900.0%Added
New York Life Investment Management LLC7,275$895.6K0.01%−417−5.4%Reduced
Walleye Capital LLC7,299$898.5K0.01%−16,040−68.7%Reduced
Lecap Asset Management Ltd7,318$900.8K0.19%+7,318New
SG Americas Securities, LLC7,523$926.0K0.00%+3,744+99.1%Added
Federated Hermes, Inc.7,599$935.4K0.00%+947+14.2%Added
D. E. Shaw & Co., Inc.7,649$941.6K0.00%−5,083−39.9%Reduced
Intech Investment Management LLC7,720$950.3K0.01%−5,055−39.6%Reduced
Susquehanna International Group, LLP7,736$952.3K0.00%+7,736New
Convergence Investment Partners, LLC7,860$967.6K0.26%+7,860New
Xponance, Inc.8,269$1.02M0.01%+725+9.6%Added
Moloney Securities Asset Management, LLC8,320$1.02M0.14%+8,320New
International Assets Investment Management, LLC129,255$1.05M0.00%+128,205+12,210.0%Added
D.A. Davidson & Co.8,880$1.09M0.01%−840−8.6%Reduced
Pictet Asset Management Holding SA8,904$1.10M0.00%+698+8.5%Added
Carmignac Gestion8,960$1.10M0.02%00.0%Unchanged
XTX Topco Ltd9,063$1.12M0.08%−2,149−19.2%Reduced
Quantitative Investment Management, LLC9,107$1.12M0.11%+4,464+96.1%Added
Wealth Enhancement Advisory Services, LLC9,157$1.13M0.00%+6,462+239.8%Added
B. Metzler seel. Sohn & Co. AG9,536$1.17M0.01%−292−3.0%Reduced
B. Metzler seel. Sohn & Co. Holding AG9,536$1.17M0.01%+9,536New
Lansing Street Advisors9,652$1.19M0.44%00.0%Unchanged
Polianta Ltd9,700$1.19M0.56%−1,500−13.4%Reduced
Edgestream Partners, L.P.9,927$1.22M0.05%+9,927New
Quadrature Capital Ltd10,060$1.24M0.03%−3,951−28.2%Reduced
IMA Wealth, Inc.10,051$1.24M0.27%+10,051New
Stifel Financial Corp10,105$1.24M0.00%+271+2.8%Added
Shelton Capital Management10,262$1.26M0.03%+3,000+41.3%Added
Moors & Cabot, Inc.10,375$1.28M0.06%+25+0.2%Added
Toroso Investments, LLC10,912$1.34M0.01%+585+5.7%Added
Hodges Capital Management Inc.11,250$1.38M0.09%+11,250New
Crossmark Global Holdings, Inc.11,673$1.44M0.03%+7,984+216.4%Added
Natixis Advisors, L.P.11,793$1.45M0.00%+58+0.5%Added
Dynamic Technology Lab Private Ltd11,944$1.47M0.16%+11,944New
New Mexico Educational Retirement Board12,100$1.49M0.05%00.0%Unchanged
STRS Ohio12,380$1.52M0.01%+1,238+11.1%Added
Scientech Research LLC12,450$1.53M0.31%+12,450New
Oregon Public Employees Retirement Fund12,567$1.55M0.03%−39−0.3%Reduced
Ameritas Investment Partners, Inc.12,626$1.55M0.05%−298−2.3%Reduced
Cresset Asset Management, LLC12,647$1.56M0.01%+4,551+56.2%Added
Victory Capital Management Inc12,858$1.58M0.00%+101+0.8%Added
NJ State Employees Deferred Compensation Plan13,000$1.60M0.19%00.0%Unchanged
Boothbay Fund Management, LLC13,125$1.62M0.05%−2,791−17.5%Reduced
NorthCrest Asset Manangement, LLC13,159$1.62M0.05%+862+7.0%Added
CWM, LLC13,333$1.64M0.01%+9,239+225.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,566$1.67M0.01%+99+0.7%Added
Northwestern Mutual Investment Management Company, LLC13,653$1.68M0.04%+92+0.7%Added
Rockefeller Capital Management L.P.13,730$1.69M0.00%−42−0.3%Reduced
Bank of Montreal14,254$1.75M0.00%−3,945−21.7%Reduced
Norges Bank14,344$1.77M0.00%−748,479−98.1%Reduced
Thrivent Financial for Lutherans14,458$1.78M0.00%−223−1.5%Reduced
State of Michigan Retirement System14,639$1.80M0.01%00.0%Unchanged
Graham Capital Management, L.P.15,191$1.87M0.06%+12,818+540.2%Added
Gables Capital Management Inc.15,334$1.89M0.95%−16−0.1%Reduced
Legato Capital Management LLC15,369$1.89M0.23%+1,960+14.6%Added
Teacher Retirement System of Texas15,437$1.90M0.01%+10,072+187.7%Added
Lombard Odier Asset Management (Europe) Ltd15,724$1.94M0.09%+5,802+58.5%Added
Peregrine Capital Management LLC15,803$1.95M0.06%00.0%Unchanged
DRW Securities, LLC16,000$1.97M0.11%−8,000−33.3%Reduced
Handelsbanken Fonder AB16,000$1.97M0.01%+2,600+19.4%Added
Advisor Group Holdings, Inc.16,485$2.03M0.00%+7,172+77.0%Added
Boston Partners16,993$2.09M0.00%−46,221−73.1%Reduced
Louisiana State Employees Retirement System17,100$2.11M0.04%−100−0.6%Reduced
American Century Companies Inc17,166$2.11M0.00%+1,609+10.3%Added
State of Wyoming17,442$2.15M0.31%+2,256+14.9%Added
Profit Investment Management, LLC18,037$2.22M1.75%−22,329−55.3%Reduced
Savant Capital, LLC18,233$2.24M0.02%+3,371+22.7%Added
Arizona State Retirement System18,304$2.25M0.01%+548+3.1%Added
Ensign Peak Advisors, Inc18,383$2.26M0.00%00.0%Unchanged
Squarepoint Ops LLC18,809$2.32M0.01%+12,945+220.8%Added
Kingswood Wealth Advisors, LLC19,550$2.41M0.17%+19,550New