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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 911 | $24.7B |
| Q1 2026 | 811 | $18.6B |
| Q4 2025 | 695 | $12.8B |
| Q3 2025 | 652 | $12.2B |
| Q2 2025 | 594 | $9.50B |
| Q1 2025 | 523 | $6.56B |
| Q4 2024 | 532 | $7.83B |
| Q3 2024 | 470 | $7.09B |
| Q2 2024 | 430 | $6.35B |
| Q1 2024 | 382 | $5.51B |
| Q4 2023 | 368 | $4.66B |
| Q3 2023 | 382 | $4.11B |
| Q2 2023 | 393 | $6.85B |
| Q1 2023 | 394 | $5.49B |
| Q4 2022 | 386 | $4.97B |
| Q3 2022 | 338 | $3.53B |
| Q2 2022 | 356 | $3.91B |
| Q1 2022 | 388 | $4.70B |
| Q4 2021 | 388 | $4.77B |
| Q3 2021 | 366 | $4.53B |
| Q2 2021 | 415 | $5.77B |
| Q1 2021 | 392 | $5.59B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Laird Norton Trust Company, LLC | 1,588 | $510.9K | 0.01% | −41−2.5% | Reduced |
| Gateway Investment Advisers LLC | 1,582 | $509.0K | 0.01% | +1,582 | New |
| 55 North Private Wealth, LLC | 1,580 | $508.3K | 0.13% | 00.0% | Unchanged |
| SMART Wealth LLC | 1,544 | $496.8K | 0.15% | +1,544 | New |
| Whalen Wealth Management Inc. | 1,534 | $493.5K | 0.26% | −89−5.5% | Reduced |
| Profund Advisors LLC | 1,534 | $493.5K | 0.02% | +163+11.9% | Added |
| Glenmede Trust Co NA | 1,482 | $476.8K | 0.00% | +1,482 | New |
| Lido Advisors, LLC | 1,475 | $474.6K | 0.00% | −1,787−54.8% | Reduced |
| Machina Capital S.A.S. | 1,475 | $474.6K | 0.09% | −221−13.0% | Reduced |
| Level Four Advisory Services, LLC | 1,456 | $468.5K | 0.02% | +11+0.8% | Added |
| Mindset Wealth Management, LLC | 1,453 | $467.5K | 0.13% | −91−5.9% | Reduced |
| Transcend Wealth Collective, LLC | 1,449 | $466.2K | 0.04% | +66+4.8% | Added |
| Forza Wealth Management, LLC | 1,445 | $464.9K | 0.16% | 00.0% | Unchanged |
| Motley Fool Asset Management LLC | 1,443 | $464.3K | 0.02% | +132+10.1% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 1,415 | $455.3K | 0.02% | +7+0.5% | Added |
| Farther Finance Advisors, LLC | 1,352 | $451.3K | 0.00% | +889+192.0% | Added |
| QRG Capital Management, Inc. | 1,401 | $450.6K | 0.00% | +426+43.7% | Added |
| EverSource Wealth Advisors, LLC | 1,368 | $440.1K | 0.01% | +145+11.9% | Added |
| Versant Capital Management, Inc | 1,353 | $435.3K | 0.04% | +191+16.4% | Added |
| Vident Advisory, LLC | 1,350 | $434.3K | 0.00% | +1,350 | New |
| ISAM Funds (UK) Ltd | 1,337 | $430.2K | 0.21% | +1,337 | New |
| NewCorp Financial Services, Inc. | 1,335 | $429.5K | 0.37% | −1,010−43.1% | Reduced |
| SEB Asset Management AB | 1,335 | $429.5K | 0.00% | +1,335 | New |
| Claret Asset Management Corp | 1,331 | $428.0K | 0.05% | 00.0% | Unchanged |
| Poinciana Advisors Group, LLC | 1,330 | $427.9K | 0.34% | 00.0% | Unchanged |
| Sym Financial Corp | 1,324 | $426.0K | 0.04% | −7−0.5% | Reduced |
| Allianz Asset Management GmbH | 1,304 | $419.5K | 0.00% | +88+7.2% | Added |
| Journey Strategic Wealth LLC | 1,296 | $417.0K | 0.01% | +38+3.0% | Added |
| Penserra Capital Management LLC | 1,254 | $403.0K | 0.00% | +1,254 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 1,231 | $396.1K | 0.01% | +1,231 | New |
| Jag Capital Management, LLC | 1,230 | $395.7K | 0.04% | −413−25.1% | Reduced |
| Verdence Capital Advisors LLC | 1,223 | $393.5K | 0.02% | +94+8.3% | Added |
| Caerus Investment Advisors, LLC | 1,220 | $392.5K | 0.17% | +2+0.2% | Added |
| Inscription Capital, LLC | 1,218 | $391.9K | 0.04% | −161−11.7% | Reduced |
| Optimize Financial Inc | 1,214 | $390.6K | 0.19% | −584−32.5% | Reduced |
| Glenview Trust Co | 1,212 | $389.9K | 0.01% | 00.0% | Unchanged |
| Aaron Wealth Advisors | 1,207 | $388.3K | 0.02% | +195+19.3% | Added |
| National Bank of Canada | 1,205 | $388.3K | 0.00% | +276+29.7% | Added |
| Baker Avenue Asset Management, LP | 1,206 | $388.0K | 0.01% | +89+8.0% | Added |
| Allworth Financial LP | 1,201 | $386.4K | 0.00% | −71−5.6% | Reduced |
| Concentric Capital Strategies, LP | 1,201 | $386.4K | 0.03% | +1,201 | New |
| Integrated Investment Consultants, LLC | 1,191 | $383.2K | 0.08% | +1+0.1% | Added |
| AlphaGrep UK Ltd | 1,190 | $382.9K | 0.11% | +1,190 | New |
| Nisa Investment Advisors, LLC | 1,189 | $382.5K | 0.00% | +683+135.0% | Added |
| Moody Aldrich Partners LLC | 1,186 | $381.6K | 0.07% | −26−2.1% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 1,173 | $377.4K | 0.01% | +1,173 | New |
| Truvestments Capital LLC | 1,150 | $370.0K | 0.07% | +1,150 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,144 | $368.1K | 0.04% | −315−21.6% | Reduced |
| Renasant Bank | 1,129 | $363.2K | 0.26% | −95−7.8% | Reduced |
| Independent Financial Group, LLC | 1,129 | $363.2K | 0.01% | +40+3.7% | Added |
| Foundations Investment Advisors, LLC | 1,126 | $362.3K | 0.00% | +3+0.3% | Added |
| Murphy & Mullick Capital Management Corp | 1,120 | $360.3K | 0.27% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 1,103 | $354.9K | 0.00% | +1,103 | New |
| Atomi Financial Group, Inc. | 1,102 | $354.6K | 0.01% | +113+11.4% | Added |
| Armis Advisers, LLC | 836 | $354.3K | 0.03% | +19+2.3% | Added |
| Donaldson Capital Management, LLC | 1,100 | $353.9K | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,096 | $352.6K | 0.00% | −6,249−85.1% | Reduced |
| Atlantic Union Bankshares Corp | 1,095 | $352.3K | 0.01% | −20−1.8% | Reduced |
| waypoint wealth counsel | 1,088 | $350.1K | 0.18% | −20−1.8% | Reduced |
| Advisory Services Network, LLC | 1,079 | $347.2K | 0.00% | −2,996−73.5% | Reduced |
| RSM US Wealth Management LLC | 1,069 | $344.0K | 0.00% | +1,069 | New |
| Quarry LP | 1,069 | $343.9K | 0.07% | +1,066+35,533.3% | Added |
| Argentarii, LLC | 1,063 | $342.0K | 0.12% | −102−8.8% | Reduced |
| Wedmont Private Capital | 979 | $340.8K | 0.01% | +979 | New |
| Savant Capital, LLC | 1,050 | $337.8K | 0.00% | +1,050 | New |
| Keystone Financial Services | 1,032 | $332.0K | 0.10% | +32+3.2% | Added |
| Capital City Trust Co | 1,030 | $331.4K | 0.08% | 00.0% | Unchanged |
| Quantum Financial Advisors, LLC | 1,028 | $330.7K | 0.04% | 00.0% | Unchanged |
| Rathbone Brothers plc | 1,015 | $326.6K | 0.00% | 00.0% | Unchanged |
| Capital Performance Advisors LLP | 1,013 | $325.9K | 0.02% | +28+2.8% | Added |
| Roman Butler Fullerton & Co | 925 | $322.0K | 0.09% | +925 | New |
| Agp Franklin, LLC | 1,000 | $321.7K | 0.16% | 00.0% | Unchanged |
| Cambria Investment Management, L.P. | 997 | $320.8K | 0.02% | −80−7.4% | Reduced |
| Thompson Davis & Co., Inc. | 990 | $318.5K | 0.21% | 00.0% | Unchanged |
| Qsemble Capital Management, LP | 987 | $317.6K | 0.02% | +987 | New |
| Brown Advisory Inc | 983 | $316.4K | 0.00% | +983 | New |
| Advisory Alpha, LLC | 977 | $314.3K | 0.01% | +977 | New |
| Ariadne Wealth Management, LP | 969 | $311.8K | 0.14% | −95−8.9% | Reduced |
| Jackson Thornton Asset Management, LLC | 858 | $309.9K | 0.03% | −22−2.5% | Reduced |
| Quantessence Capital LLC | 961 | $309.2K | 1.51% | +961 | New |
| Umb Bank N A | 947 | $304.7K | 0.00% | +3+0.3% | Added |
| Geneos Wealth Management Inc. | 946 | $304.4K | 0.01% | 00.0% | Unchanged |
| Formidable Asset Management, LLC | 1,398 | $303.9K | 0.05% | +1,398 | New |
| Sivia Capital Partners, LLC | 944 | $303.7K | 0.06% | −1,609−63.0% | Reduced |
| Argent Capital Management LLC | 935 | $300.8K | 0.01% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 934 | $300.5K | 0.05% | −5,321−85.1% | Reduced |
| Resources Investment Advisors, LLC. | 931 | $299.5K | 0.00% | −663−41.6% | Reduced |
| Accurate Wealth Management, LLC | 823 | $297.3K | 0.04% | +823 | New |
| Brand Asset Management Group, Inc. | 917 | $295.0K | 0.08% | −383−29.5% | Reduced |
| Baird Financial Group, Inc. | 913 | $293.7K | 0.00% | −126−12.1% | Reduced |
| Old National Bancorp | 905 | $291.2K | 0.00% | −21−2.3% | Reduced |
| Groupama Asset Managment | 904 | $290.9K | 0.00% | −79−8.0% | Reduced |
| White Pine Capital LLC | 900 | $289.6K | 0.08% | +900 | New |
| South Shore Capital Advisors | 900 | $289.6K | 0.21% | +900 | New |
| Principal Street Partners, LLC | 899 | $289.2K | 0.05% | +899 | New |
| Bayforest Capital Ltd | 893 | $287.3K | 0.32% | −864−49.2% | Reduced |
| Quent Capital, LLC | 891 | $286.7K | 0.02% | −95−9.6% | Reduced |
| Burns Matteson Capital Management, LLC | 889 | $286.0K | 0.11% | +889 | New |
| Moneta Group Investment Advisors LLC | 885 | $284.7K | 0.00% | −182−17.1% | Reduced |
| First Affirmative Financial Network | 881 | $283.4K | 0.11% | +881 | New |