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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, Q4 2023

Institutional positions in Mastec Inc as of Dec 31, 2023. 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
368
−11 vs. Q3 2023
Shares held
61.6M
+4.55M (+8.0%) vs. Q3 2023
Total value
$4.66B
+$548.3M (+13.3%) vs. Q3 2023
New holders
70
120 more added
Sold out
81
117 more reduced

3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 368 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 heldQ4 2023: $4.66B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2023.

Institutions holding MTZ in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Seven Eight Capital, LP0$00.00%−17,499−100.0%Sold out
Colonial Trust Advisors0$00.00%−16,254−100.0%Sold out
Bokf, NA0$00.00%−16,600−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−13,097−100.0%Sold out
Jump Financial, LLC0$00.00%−12,894−100.0%Sold out
Appian Way Asset Management LP0$00.00%−12,086−100.0%Sold out
Virtu Financial LLC0$00.00%−11,640−100.0%Sold out
IMA Wealth, Inc.0$00.00%−11,551−100.0%Sold out
Axq Capital, LP0$00.00%−10,500−100.0%Sold out
MorganRosel Wealth Management, LLC0$00.00%−8,775−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−8,108−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−7,554−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−7,406−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−7,354−100.0%Sold out
Colonial Trust Co0$00.00%−6,393−100.0%Sold out
Harbour Capital Advisors, LLC0$00.00%−5,443−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−5,341−100.0%Sold out
Greenwood Capital Associates LLC0$00.00%−5,332−100.0%Sold out
HRT Financial LP0$00.00%−4,797−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−4,435−100.0%Sold out
Huber Capital Management LLC0$00.00%−4,300−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−4,022−100.0%Sold out
Pitcairn Co0$00.00%−3,971−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−3,714−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−3,560−100.0%Sold out
Renasant Bank0$00.00%−3,328−100.0%Sold out
Burney Co0$00.00%−3,125−100.0%Sold out
Fred Alger Management, LLC0$00.00%−3,121−100.0%Sold out
Glenview Trust Co0$00.00%−3,104−100.0%Sold out
MQS Management LLC0$00.00%−3,068−100.0%Sold out
Laffer Tengler Investments0$00.00%−2,466−100.0%Sold out
Vestor Capital, LLC0$00.00%−1,108−100.0%Sold out
Emerald Mutual Fund Advisers Trust0$00.00%−1,007−100.0%Sold out
Kapitalo Investimentos Ltda0$00.00%−828−100.0%Sold out
Lazard Asset Management LLC0$00.00%−821−100.0%Sold out
Cary Street Partner Investment Advisory LLC0$00.00%−786−100.0%Sold out
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main0$00.00%−735−100.0%Sold out
Systematic Alpha Investments, LLC0$00.00%−629−100.0%Sold out
Itau Unibanco Holding S.A.0$00.00%−601−100.0%Sold out
Headlands Technologies LLC0$00.00%−571−100.0%Sold out
University of Texas/Texas Am Investment Managment Co0$00.00%−330−100.0%Sold out
Stonebridge Capital Advisors LLC0$00.00%−275−100.0%Sold out
Pier Capital, LLC0$00.00%−86−100.0%Sold out
Marquette Asset Management, LLC0$00.00%−77−100.0%Sold out
Cambridge Trust Co0$00.00%−49−100.0%Sold out
Okabena Investment Services Inc0$00.00%−44−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−26−100.0%Sold out
Nalls Sherbakoff Group, LLC0$00.00%−18−100.0%Sold out
IFP Advisors, Inc0$00.00%−14−100.0%Sold out
Pathstone Family Office, LLC––––Not filed
Kenfarb & Co.––––Not filed
Steward Financial Group LLC––––Not filed