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 |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 852 | $274.1K | 0.00% | −101,551−99.2% | Reduced |
| Equitable Holdings, Inc. | 1,176 | $276.5K | 0.00% | +1,176 | New |
| Waddell & Associates, LLC | 861 | $277.0K | 0.02% | +861 | New |
| Rafferty Asset Management, LLC | 864 | $278.0K | 0.00% | −167−16.2% | Reduced |
| Okabena Investment Services Inc | 864 | $278.0K | 0.05% | +864 | New |
| Silver Oak Securities, Inc | 865 | $278.3K | 0.02% | +865 | New |
| Cary Street Partners Financial LLC | 866 | $278.6K | 0.01% | +866 | New |
| Wedbush Securities Inc | 867 | $279.0K | 0.01% | +867 | New |
| IHT Wealth Management, LLC | 875 | $281.5K | 0.01% | −5,063−85.3% | Reduced |
| International Assets Investment Management, LLC | 847 | $282.7K | 0.02% | +368+76.8% | Added |
| Retirement Planning Group | 880 | $283.1K | 0.01% | +880 | New |
| First Affirmative Financial Network | 881 | $283.4K | 0.11% | +881 | New |
| Moneta Group Investment Advisors LLC | 885 | $284.7K | 0.00% | −182−17.1% | Reduced |
| Burns Matteson Capital Management, LLC | 889 | $286.0K | 0.11% | +889 | New |
| Quent Capital, LLC | 891 | $286.7K | 0.02% | −95−9.6% | Reduced |
| Bayforest Capital Ltd | 893 | $287.3K | 0.32% | −864−49.2% | Reduced |
| Principal Street Partners, LLC | 899 | $289.2K | 0.05% | +899 | New |
| White Pine Capital LLC | 900 | $289.6K | 0.08% | +900 | New |
| South Shore Capital Advisors | 900 | $289.6K | 0.21% | +900 | New |
| Groupama Asset Managment | 904 | $290.9K | 0.00% | −79−8.0% | Reduced |
| Old National Bancorp | 905 | $291.2K | 0.00% | −21−2.3% | Reduced |
| Baird Financial Group, Inc. | 913 | $293.7K | 0.00% | −126−12.1% | Reduced |
| Brand Asset Management Group, Inc. | 917 | $295.0K | 0.08% | −383−29.5% | Reduced |
| Accurate Wealth Management, LLC | 823 | $297.3K | 0.04% | +823 | New |
| Resources Investment Advisors, LLC. | 931 | $299.5K | 0.00% | −663−41.6% | Reduced |
| Keating Financial Advisory Services, Inc. | 934 | $300.5K | 0.05% | −5,321−85.1% | Reduced |
| Argent Capital Management LLC | 935 | $300.8K | 0.01% | 00.0% | Unchanged |
| Sivia Capital Partners, LLC | 944 | $303.7K | 0.06% | −1,609−63.0% | Reduced |
| Formidable Asset Management, LLC | 1,398 | $303.9K | 0.05% | +1,398 | New |
| Geneos Wealth Management Inc. | 946 | $304.4K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 947 | $304.7K | 0.00% | +3+0.3% | Added |
| Quantessence Capital LLC | 961 | $309.2K | 1.51% | +961 | New |
| Jackson Thornton Asset Management, LLC | 858 | $309.9K | 0.03% | −22−2.5% | Reduced |
| Ariadne Wealth Management, LP | 969 | $311.8K | 0.14% | −95−8.9% | Reduced |
| Advisory Alpha, LLC | 977 | $314.3K | 0.01% | +977 | New |
| Brown Advisory Inc | 983 | $316.4K | 0.00% | +983 | New |
| Qsemble Capital Management, LP | 987 | $317.6K | 0.02% | +987 | New |
| Thompson Davis & Co., Inc. | 990 | $318.5K | 0.21% | 00.0% | Unchanged |
| Cambria Investment Management, L.P. | 997 | $320.8K | 0.02% | −80−7.4% | Reduced |
| Agp Franklin, LLC | 1,000 | $321.7K | 0.16% | 00.0% | Unchanged |
| Roman Butler Fullerton & Co | 925 | $322.0K | 0.09% | +925 | New |
| Capital Performance Advisors LLP | 1,013 | $325.9K | 0.02% | +28+2.8% | Added |
| Rathbone Brothers plc | 1,015 | $326.6K | 0.00% | 00.0% | Unchanged |
| Quantum Financial Advisors, LLC | 1,028 | $330.7K | 0.04% | 00.0% | Unchanged |
| Capital City Trust Co | 1,030 | $331.4K | 0.08% | 00.0% | Unchanged |
| Keystone Financial Services | 1,032 | $332.0K | 0.10% | +32+3.2% | Added |
| Savant Capital, LLC | 1,050 | $337.8K | 0.00% | +1,050 | New |
| Wedmont Private Capital | 979 | $340.8K | 0.01% | +979 | New |
| Argentarii, LLC | 1,063 | $342.0K | 0.12% | −102−8.8% | Reduced |
| Quarry LP | 1,069 | $343.9K | 0.07% | +1,066+35,533.3% | Added |
| RSM US Wealth Management LLC | 1,069 | $344.0K | 0.00% | +1,069 | New |
| Advisory Services Network, LLC | 1,079 | $347.2K | 0.00% | −2,996−73.5% | Reduced |
| waypoint wealth counsel | 1,088 | $350.1K | 0.18% | −20−1.8% | Reduced |
| Atlantic Union Bankshares Corp | 1,095 | $352.3K | 0.01% | −20−1.8% | Reduced |
| Franklin Resources Inc | 1,096 | $352.6K | 0.00% | −6,249−85.1% | Reduced |
| Donaldson Capital Management, LLC | 1,100 | $353.9K | 0.01% | 00.0% | Unchanged |
| Armis Advisers, LLC | 836 | $354.3K | 0.03% | +19+2.3% | Added |
| Atomi Financial Group, Inc. | 1,102 | $354.6K | 0.01% | +113+11.4% | Added |
| CIBC Bancorp USA Inc. | 1,103 | $354.9K | 0.00% | +1,103 | New |
| Murphy & Mullick Capital Management Corp | 1,120 | $360.3K | 0.27% | 00.0% | Unchanged |
| Foundations Investment Advisors, LLC | 1,126 | $362.3K | 0.00% | +3+0.3% | Added |
| Independent Financial Group, LLC | 1,129 | $363.2K | 0.01% | +40+3.7% | Added |
| Renasant Bank | 1,129 | $363.2K | 0.26% | −95−7.8% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 1,144 | $368.1K | 0.04% | −315−21.6% | Reduced |
| Truvestments Capital LLC | 1,150 | $370.0K | 0.07% | +1,150 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 1,173 | $377.4K | 0.01% | +1,173 | New |
| Moody Aldrich Partners LLC | 1,186 | $381.6K | 0.07% | −26−2.1% | Reduced |
| Nisa Investment Advisors, LLC | 1,189 | $382.5K | 0.00% | +683+135.0% | Added |
| AlphaGrep UK Ltd | 1,190 | $382.9K | 0.11% | +1,190 | New |
| Integrated Investment Consultants, LLC | 1,191 | $383.2K | 0.08% | +1+0.1% | 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 |
| Baker Avenue Asset Management, LP | 1,206 | $388.0K | 0.01% | +89+8.0% | Added |
| National Bank of Canada | 1,205 | $388.3K | 0.00% | +276+29.7% | Added |
| Aaron Wealth Advisors | 1,207 | $388.3K | 0.02% | +195+19.3% | Added |
| Glenview Trust Co | 1,212 | $389.9K | 0.01% | 00.0% | Unchanged |
| Optimize Financial Inc | 1,214 | $390.6K | 0.19% | −584−32.5% | Reduced |
| Inscription Capital, LLC | 1,218 | $391.9K | 0.04% | −161−11.7% | Reduced |
| Caerus Investment Advisors, LLC | 1,220 | $392.5K | 0.17% | +2+0.2% | Added |
| Verdence Capital Advisors LLC | 1,223 | $393.5K | 0.02% | +94+8.3% | Added |
| Jag Capital Management, LLC | 1,230 | $395.7K | 0.04% | −413−25.1% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 1,231 | $396.1K | 0.01% | +1,231 | New |
| Penserra Capital Management LLC | 1,254 | $403.0K | 0.00% | +1,254 | New |
| Journey Strategic Wealth LLC | 1,296 | $417.0K | 0.01% | +38+3.0% | Added |
| Allianz Asset Management GmbH | 1,304 | $419.5K | 0.00% | +88+7.2% | Added |
| Sym Financial Corp | 1,324 | $426.0K | 0.04% | −7−0.5% | Reduced |
| Poinciana Advisors Group, LLC | 1,330 | $427.9K | 0.34% | 00.0% | Unchanged |
| Claret Asset Management Corp | 1,331 | $428.0K | 0.05% | 00.0% | Unchanged |
| SEB Asset Management AB | 1,335 | $429.5K | 0.00% | +1,335 | New |
| NewCorp Financial Services, Inc. | 1,335 | $429.5K | 0.37% | −1,010−43.1% | Reduced |
| ISAM Funds (UK) Ltd | 1,337 | $430.2K | 0.21% | +1,337 | New |
| Vident Advisory, LLC | 1,350 | $434.3K | 0.00% | +1,350 | New |
| Versant Capital Management, Inc | 1,353 | $435.3K | 0.04% | +191+16.4% | Added |
| EverSource Wealth Advisors, LLC | 1,368 | $440.1K | 0.01% | +145+11.9% | Added |
| QRG Capital Management, Inc. | 1,401 | $450.6K | 0.00% | +426+43.7% | Added |
| Farther Finance Advisors, LLC | 1,352 | $451.3K | 0.00% | +889+192.0% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 1,415 | $455.3K | 0.02% | +7+0.5% | Added |
| Motley Fool Asset Management LLC | 1,443 | $464.3K | 0.02% | +132+10.1% | Added |
| Forza Wealth Management, LLC | 1,445 | $464.9K | 0.16% | 00.0% | Unchanged |
| Transcend Wealth Collective, LLC | 1,449 | $466.2K | 0.04% | +66+4.8% | Added |