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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, Q2 2026

Institutional positions in Mastec Inc as of Jun 30, 2026. 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
911
+110 vs. Q1 2026
Shares held
59.4M
+1.49M (+2.6%) vs. Q1 2026
Total value
$24.7B
+$6.10B (+32.8%) vs. Q1 2026
New holders
185
326 more added
Sold out
75
295 more reduced

10 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 911 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 heldQ2 2026: $24.7B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2026.

Institutions holding MTZ in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Bell Investment Advisors, Inc77$32.0K0.00%+1+1.3%Added
Quarry LP79$32.9K0.01%−990−92.6%Reduced
Core Alternative Capital79$32.9K0.01%00.0%Unchanged
Westside Investment Management, Inc.80$33.3K0.00%+45+128.6%Added
Peregrine Capital Management LLC80$33.3K0.00%00.0%Unchanged
Fedenia Advisers LLC80$33.3K0.01%+80New
Hollencrest Capital Management82$34.1K0.00%−2,819−97.2%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA90$37.4K0.01%+90New
Balyasny Asset Management LLC91$37.9K0.00%−128,537−99.9%Reduced
V-Square Quantitative Management LLC92$38.3K0.00%+16+21.1%Added
LRI Investments, LLC95$39.5K0.00%+34+55.7%Added
Buck Wealth Strategies, LLC95$39.5K0.00%+95New
Zions Bancorporation, National Association97$40.4K0.00%+2+2.1%Added
SBI Securities Co., Ltd.98$40.8K0.00%−2−2.0%Reduced
Mather Group, LLC.100$41.6K0.00%00.0%Unchanged
Newton One Investments LLC100$41.6K0.01%+100New
Parkside Financial Bank & Trust102$42.4K0.00%+22+27.5%Added
Basecamp Wealth Advisors LLC103$42.9K0.01%+6+6.2%Added
Covestor Ltd108$45.0K0.03%−68−38.6%Reduced
Owl Creek Wealth Partners LLC110$45.8K0.01%+5+4.8%Added
Capital Advisor Network LLC111$46.2K0.06%+111New
Delta Asset Management LLC112$46.6K0.00%00.0%Unchanged
Salomon & Ludwin, LLC120$46.9K0.00%00.0%Unchanged
Blue Bell Private Wealth Management, LLC120$49.9K0.01%00.0%Unchanged
Cary Street Partner Investment Advisory LLC125$52.0K0.01%+12+10.6%Added
Massmutual Trust Co FSB125$52.0K0.00%+22+21.4%Added
Stone House Investment Management, LLC129$53.7K0.01%+15+13.2%Added
CVA Family Office, LLC130$54.1K0.00%+1+0.8%Added
High Note Wealth, LLC135$56.2K0.01%00.0%Unchanged
Solstein Capital, LLC139$57.8K0.02%00.0%Unchanged
Armstrong Advisory Group, Inc140$58.2K0.00%+100+250.0%Added
Fourth Dimension Wealth, LLC150$62.4K0.02%00.0%Unchanged
Clear Street Markets LLC153$63.7K0.01%+153New
Larson Financial Group LLC161$67.0K0.00%+65+67.7%Added
Fortitude Family Office, LLC162$67.4K0.01%+91+128.2%Added
Indiana Trust & Investment Management CO175$72.8K0.02%00.0%Unchanged
Oslo Pensjonsforsikring AS186$77.4K0.01%+186New
Horizon Investments, LLC188$78.2K0.00%+186+9,300.0%Added
Caldwell Trust Co198$82.4K0.01%+30+17.9%Added
Close Asset Management Ltd200$83.0K0.00%00.0%Unchanged
GHP Investment Advisors, Inc.202$84.0K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC211$87.8K0.01%+175+486.1%Added
Huntington National Bank217$90.3K0.00%+31+16.7%Added
Evelyn Partners Group Ltd250$104.0K0.00%+250New
AdvisorNet Financial, Inc264$109.8K0.01%+264New
Clearstead Advisors, LLC270$112.3K0.00%00.0%Unchanged
Leonteq Securities AG283$117.7K0.01%+177+167.0%Added
Royal London Asset Management Ltd283$117.7K0.00%+283New
Pinpoint Asset Management (Singapore) Pte. Ltd.288$119.8K0.02%+288New
Gen-Wealth Partners Inc289$120.2K0.03%+289New
American Capital Advisory, LLC289$120.2K0.04%00.0%Unchanged
Brookfield Asset Management Inc.297$123.6K0.00%−2−0.7%Reduced
Smallwood Wealth Investment Management, LLC300$124.8K0.05%00.0%Unchanged
Paradigm Asset Management Co LLC300$124.8K0.03%+300New
Smartleaf Asset Management LLC312$133.9K0.00%00.0%Unchanged
Signaturefd, LLC344$143.1K0.00%+37+12.1%Added
Parallel Advisors, LLC362$150.6K0.00%+22+6.5%Added
Action Point Financial Planning, LLC392$161.8K0.02%+392New
Smithfield Trust Co400$166.0K0.01%−323−44.7%Reduced
Ronald Blue Trust, Inc.408$169.8K0.00%+5+1.2%Added
GeoWealth Management, LLC413$171.6K0.01%+46+12.5%Added
Rothschild Investment LLC417$173.5K0.01%+1+0.2%Added
McGuire Capital Advisors Inc427$177.7K0.10%−375−46.8%Reduced
RMG Wealth Management LLC651$183.0K0.02%+1+0.2%Added
Meeder Asset Management Inc444$184.7K0.01%+411+1,245.5%Added
True Wealth Design, LLC460$191.4K0.05%+1+0.2%Added
Cullen/Frost Bankers, Inc.463$192.6K0.00%+169+57.5%Added
ROI Financial Advisors, LLC482$200.5K0.10%+482New
Blueshift Asset Management, LLC487$202.6K0.05%+487New
Kennedy Capital Management, Inc.493$205.1K0.00%−24,591−98.0%Reduced
WealthBridge Capital Management, LLC493$205.1K0.04%+493New
Tritonpoint Wealth, LLC495$205.9K0.02%−223−31.1%Reduced
Operose Advisors LLC500$208.0K0.04%00.0%Unchanged
Briggs Wealth Management, Inc500$208.0K0.19%+500New
TritonPoint Partners, LLC500$208.0K0.02%+500New
North Star Investment Management Corp.502$208.9K0.01%00.0%Unchanged
True North Advisors, LLC509$211.8K0.02%+509New
Sargent Investment Group, LLC511$212.6K0.03%+511New
USA Financial Formulas512$213.0K0.04%+512New
Holderness Investments Co515$214.3K0.04%+515New
AlphaGrep UK Ltd521$216.8K0.07%−669−56.2%Reduced
Regions Financial Corp521$216.8K0.00%+521New
DRW Securities, LLC521$216.8K0.01%+521New
EntryPoint Capital, LLC521$216.8K0.05%+521New
Richard C. Young & CO., LTD.524$218.0K0.02%+524New
Claret Asset Management Corp526$219.0K0.02%−805−60.5%Reduced
Markin Volterra Fund LP533$221.8K0.75%+533New
Howard Wealth Management, LLC534$222.2K0.08%+534New
BW Gestao de Investimentos Ltda.537$223.4K0.01%+537New
South Shore Capital Advisors550$228.8K0.15%−350−38.9%Reduced
American Financial Advisors, LLC550$228.8K0.03%+550New
Banque Pictet & Cie SA551$229.2K0.00%−169−23.5%Reduced
Milestone Asset Management, LLC551$229.2K0.04%+551New
Kaufman Rossin Wealth, LLC603$232.0K0.11%+603New
Trust Point Inc.563$234.2K0.02%+563New
Earnest Partners LLC563$234.2K0.00%+563New
Pinnacle Wealth Planning Services, Inc.567$235.9K0.02%−577−50.4%Reduced
Acropolis Investment Management, LLC573$238.4K0.01%00.0%Unchanged
Ellevest, Inc.574$238.8K0.03%+574New
Personal Cfo Solutions, LLC581$241.7K0.03%+581New