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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, Q1 2026

Institutional positions in Mastec Inc as of Mar 31, 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
811
+122 vs. Q4 2025
Shares held
58.0M
+5.36M (+10.2%) vs. Q4 2025
Total value
$18.6B
+$7.19B (+62.7%) vs. Q4 2025
New holders
184
256 more added
Sold out
62
263 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 811 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 heldQ1 2026: $18.6B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2025.

Institutions holding MTZ in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Retirement Planning Group880$283.1K0.01%+880New
International Assets Investment Management, LLC847$282.7K0.02%+368+76.8%Added
IHT Wealth Management, LLC875$281.5K0.01%−5,063−85.3%Reduced
Wedbush Securities Inc867$279.0K0.01%+867New
Cary Street Partners Financial LLC866$278.6K0.01%+866New
Silver Oak Securities, Inc865$278.3K0.02%+865New
Rafferty Asset Management, LLC864$278.0K0.00%−167−16.2%Reduced
Okabena Investment Services Inc864$278.0K0.05%+864New
Waddell & Associates, LLC861$277.0K0.02%+861New
Equitable Holdings, Inc.1,176$276.5K0.00%+1,176New
Marshall Wace, LLP852$274.1K0.00%−101,551−99.2%Reduced
RMG Wealth Management LLC650$273.9K0.03%+650New
Calamos Wealth Management LLC850$273.5K0.01%−74−8.0%Reduced
Cooper Financial Group846$272.2K0.03%−191−18.4%Reduced
Motco845$271.9K0.03%00.0%Unchanged
Ballentine Partners, LLC835$268.7K0.00%+835New
Everhart Financial Group, Inc.829$266.7K0.02%+829New
United Capital Financial Advisers, LLC818$263.2K0.00%+818New
Aptus Capital Advisors, LLC816$262.5K0.00%+816New
Fi3 FINANCIAL ADVISORS, LLC808$260.0K0.08%+808New
Abel Hall, LLC808$260.0K0.06%+808New
McGuire Capital Advisors Inc802$258.0K0.17%−5−0.6%Reduced
QTR Family Wealth, LLC705$258.0K0.11%+705New
Hartree Partners, LP800$257.4K0.06%+800New
Legacy Capital Group California, Inc.789$253.9K0.10%+789New
Vise Technologies, Inc.1,167$253.7K0.00%00.0%Unchanged
AdvisorShares Investments LLC784$252.2K0.05%+784New
Sentinus, LLC782$251.6K0.02%+782New
Steward Partners Investment Advisory, LLC771$248.1K0.00%−172−18.2%Reduced
Norden Group LLC769$247.4K0.02%+769New
Hilltop Holdings Inc.767$246.8K0.02%+767New
Parcion Private Wealth LLC763$245.5K0.02%+763New
Oppenheimer & Co Inc762$245.2K0.00%+762New
Tradition Wealth Management, LLC762$245.2K0.02%+762New
Sagespring Wealth Partners, LLC762$245.1K0.00%+762New
Modern Wealth Management, LLC728$243.0K0.00%+728New
Essex Financial Services, Inc.751$241.6K0.01%+751New
Southern Financial Group, LLC739$237.8K0.07%+739New
Syon Capital LLC731$235.2K0.01%+731New
Advisory Advocates, LLC725$233.3K0.24%−567−43.9%Reduced
Smithfield Trust Co723$233.0K0.01%−287−28.4%Reduced
Banque Pictet & Cie SA720$231.7K0.00%−1,287−64.1%Reduced
Tritonpoint Wealth, LLC718$231.0K0.02%+718New
Callan Family Office, LLC714$229.7K0.01%+714New
Keybank National Association696$223.9K0.00%+696New
Rede Wealth, LLC695$223.6K0.08%+695New
Wealthfront Advisers LLC685$220.4K0.00%+685New
Evoke Wealth, LLC685$220.4K0.00%+685New
Grant Private Wealth Management Inc682$219.4K0.12%+682New
Oppenheimer Asset Management Inc.677$217.8K0.00%+677New
Banque Cantonale Vaudoise659$212.0K0.01%+659New
Concord Wealth Partners656$211.1K0.03%00.0%Unchanged
OmniStar Financial Group, Inc.644$207.2K0.11%+644New
Investment Research Partners LLC639$205.6K0.08%+639New
Avail Investment Partners, LLC633$204.0K0.22%+633New
SNS Financial Group, LLC631$203.0K0.02%+631New
Systematic Alpha Investments, LLC629$202.4K0.01%+629New
Trajan Wealth LLC627$201.7K0.01%−322−33.9%Reduced
Semanteon Capital Management, LP626$201.4K2.70%+626New
Brinker Capital Investments, LLC623$200.4K0.00%+623New
Pinnacle Financial Partners, Inc.623$200.4K0.00%+623New
Gunpowder Capital Management, LLC dba Oliver Wealth Management600$193.0K0.15%00.0%Unchanged
Assetmark, Inc597$192.1K0.00%+166+38.5%Added
Acropolis Investment Management, LLC573$184.4K0.01%+573New
Optiver Holding B.V.553$177.9K0.01%+540+4,153.8%Added
USA Financial Portformulas Corp537$172.8K0.03%+537New
North Star Investment Management Corp.502$161.5K0.01%+2+0.4%Added
Operose Advisors LLC500$160.9K0.04%00.0%Unchanged
Resona Asset Management Co.,Ltd.522$159.6K0.00%00.0%Unchanged
True Wealth Design, LLC459$147.7K0.04%+8+1.8%Added
Rothschild Investment LLC416$133.8K0.01%+4+1.0%Added
Thurston, Springer, Miller, Herd & Titak, Inc.407$130.9K0.05%+407New
Ronald Blue Trust, Inc.403$129.7K0.00%+12+3.1%Added
Rossby Financial, LCC364$121.5K0.03%−2,577−87.6%Reduced
GeoWealth Management, LLC367$118.1K0.00%+367New
Nomura Asset Management Co Ltd346$111.3K0.00%−194−35.9%Reduced
Parallel Advisors, LLC340$109.4K0.00%+59+21.0%Added
Root Financial Partners, LLC311$100.1K0.00%+63+25.4%Added
Signaturefd, LLC307$98.8K0.00%+53+20.9%Added
Smallwood Wealth Investment Management, LLC300$96.5K0.05%00.0%Unchanged
Brookfield Asset Management Inc.299$96.2K0.00%−52−14.8%Reduced
Smartleaf Asset Management LLC312$95.4K0.00%−17−5.2%Reduced
Migdal Insurance & Financial Holdings Ltd.296$95.2K0.00%+156+111.4%Added
Cullen/Frost Bankers, Inc.294$94.6K0.00%−454−60.7%Reduced
American Capital Advisory, LLC289$93.0K0.04%+1+0.3%Added
True Link Financial Advisors, LLC288$92.7K0.01%+288New
Clearstead Advisors, LLC270$86.9K0.00%−270−50.0%Reduced
Wellington Grp LLC259$83.3K0.03%−4,006−93.9%Reduced
Evelyn Partners Asset Management Ltd250$80.4K0.02%00.0%Unchanged
Polymer Capital Management (US) LLC225$72.4K0.01%−2,175−90.6%Reduced
GHP Investment Advisors, Inc.202$65.0K0.00%+202New
Princeton Global Asset Management LLC200$64.3K0.01%00.0%Unchanged
Close Asset Management Ltd200$64.0K0.00%00.0%Unchanged
Huntington National Bank186$59.8K0.00%+6+3.3%Added
Covestor Ltd176$57.0K0.04%−138−43.9%Reduced
Indiana Trust & Investment Management CO175$56.3K0.02%00.0%Unchanged
Caldwell Trust Co168$54.1K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.160$51.5K0.00%00.0%Unchanged
Fourth Dimension Wealth, LLC150$48.3K0.02%00.0%Unchanged
Ritter Daniher Financial Advisory LLC150$48.3K0.01%+100+200.0%Added