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.
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| M&G Plc | 583 | $242.5K | 0.00% | +583 | New |
| Trajan Wealth LLC | 587 | $244.2K | 0.01% | −40−6.4% | Reduced |
| Waterloo Capital, L.P. | 590 | $245.5K | 0.01% | +590 | New |
| Semanteon Capital Management, LP | 593 | $246.7K | 1.11% | −33−5.3% | Reduced |
| Southern Financial Group, LLC | 594 | $247.1K | 0.06% | −145−19.6% | Reduced |
| TCG Advisory Services, LLC | 594 | $247.1K | 0.00% | +594 | New |
| waypoint wealth counsel | 596 | $248.0K | 0.16% | −492−45.2% | Reduced |
| Catalyst Funds Management Pty Ltd | 600 | $249.6K | 0.01% | −9,790−94.2% | Reduced |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 600 | $249.6K | 0.18% | 00.0% | Unchanged |
| Assetmark, Inc | 601 | $250.1K | 0.00% | +4+0.7% | Added |
| Avail Investment Partners, LLC | 603 | $250.9K | 0.19% | −30−4.7% | Reduced |
| Nomura Holdings Inc | 606 | $252.1K | 0.00% | +606 | New |
| Net Worth Advisory Group | 606 | $252.3K | 0.06% | +606 | New |
| Investment Research Partners LLC | 609 | $253.4K | 0.09% | −30−4.7% | Reduced |
| Independent Financial Group, LLC | 614 | $255.5K | 0.00% | −515−45.6% | Reduced |
| Sage Rhino Capital LLC | 620 | $258.0K | 0.04% | +620 | New |
| Pinnacle Financial Partners, Inc. | 623 | $259.2K | 0.00% | 00.0% | Unchanged |
| Optas, LLC | 623 | $259.2K | 0.04% | +623 | New |
| Cigna Investments Inc | 623 | $260.0K | 0.03% | +623 | New |
| Systematic Alpha Investments, LLC | 629 | $261.7K | 0.01% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 633 | $263.4K | 0.00% | +633 | New |
| nVerses Capital, LLC | 635 | $264.2K | 0.41% | +635 | New |
| Diametric Capital, LP | 639 | $265.9K | 0.03% | −1,082−62.9% | Reduced |
| IHT Wealth Management, LLC | 640 | $266.2K | 0.01% | −235−26.9% | Reduced |
| Plato Investment Management Ltd | 659 | $272.6K | 0.02% | +659 | New |
| Concord Wealth Partners | 656 | $272.9K | 0.03% | 00.0% | Unchanged |
| Vantus Wealth LLC | 661 | $275.0K | 0.15% | +661 | New |
| Grant Private Wealth Management Inc | 679 | $282.5K | 0.12% | −3−0.4% | Reduced |
| Argentarii, LLC | 1,048 | $285.7K | 0.09% | −15−1.4% | Reduced |
| Jag Capital Management, LLC | 688 | $286.2K | 0.03% | −542−44.1% | Reduced |
| Rede Wealth, LLC | 695 | $289.2K | 0.10% | 00.0% | Unchanged |
| Ariadne Wealth Management, LP | 699 | $290.8K | 0.13% | −270−27.9% | Reduced |
| Papamarkou Wellner Asset Management inc. | 700 | $291.2K | 0.18% | +700 | New |
| QTR Family Wealth, LLC | 705 | $293.3K | 0.10% | 00.0% | Unchanged |
| Essential Partners LLC | 717 | $298.3K | 0.14% | −910−55.9% | Reduced |
| Wealthfront Advisers LLC | 724 | $301.2K | 0.00% | +39+5.7% | Added |
| Advisory Advocates, LLC | 725 | $301.6K | 0.26% | 00.0% | Unchanged |
| Modern Wealth Management, LLC | 741 | $308.3K | 0.00% | +13+1.8% | Added |
| Cooper Financial Group | 742 | $308.7K | 0.03% | −104−12.3% | Reduced |
| Keybank National Association | 743 | $309.1K | 0.00% | +47+6.8% | Added |
| Accurate Wealth Management, LLC | 830 | $309.6K | 0.03% | +7+0.9% | Added |
| SNS Financial Group, LLC | 746 | $310.4K | 0.01% | +115+18.2% | Added |
| Havemeyer Place LP | 752 | $312.9K | 0.03% | −8,390−91.8% | Reduced |
| Sagespring Wealth Partners, LLC | 758 | $315.6K | 0.00% | −4−0.5% | Reduced |
| Elevatus Welath Management | 761 | $316.6K | 0.08% | +761 | New |
| Parcion Private Wealth LLC | 763 | $317.5K | 0.02% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 764 | $317.9K | 0.02% | +2+0.3% | Added |
| International Assets Investment Management, LLC | 817 | $319.1K | 0.02% | −30−3.5% | Reduced |
| Armis Advisers, LLC | 845 | $321.6K | 0.03% | +9+1.1% | Added |
| Oppenheimer & Co Inc | 781 | $324.9K | 0.00% | +19+2.5% | Added |
| Norden Group LLC | 796 | $331.2K | 0.03% | +27+3.5% | Added |
| Keating Financial Advisory Services, Inc. | 798 | $332.0K | 0.04% | −136−14.6% | Reduced |
| Geneos Wealth Management Inc. | 802 | $333.7K | 0.01% | −144−15.2% | Reduced |
| Atom Investors LP | 806 | $335.3K | 0.03% | −11,907−93.7% | Reduced |
| Essex Financial Services, Inc. | 809 | $336.5K | 0.02% | +58+7.7% | Added |
| Syon Capital LLC | 809 | $336.6K | 0.01% | +78+10.7% | Added |
| Abel Hall, LLC | 812 | $337.8K | 0.06% | +4+0.5% | Added |
| Camden Capital, LLC | 816 | $339.4K | 0.02% | +816 | New |
| Aptus Capital Advisors, LLC | 819 | $340.8K | 0.00% | +3+0.4% | Added |
| J.W. Cole Advisors, Inc. | 821 | $341.6K | 0.01% | +821 | New |
| NewEdge Wealth, LLC | 826 | $343.7K | 0.00% | +826 | New |
| Callan Family Office, LLC | 829 | $344.9K | 0.01% | +115+16.1% | Added |
| Silver Oak Securities, Inc | 840 | $349.5K | 0.02% | −25−2.9% | Reduced |
| Motco | 847 | $352.4K | 0.03% | +2+0.2% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 847 | $352.4K | 0.00% | +847 | New |
| Fulton Bank, N.A. | 852 | $354.5K | 0.01% | +852 | New |
| Sentinus, LLC | 854 | $355.3K | 0.03% | +72+9.2% | Added |
| Old National Bancorp | 858 | $357.0K | 0.01% | −47−5.2% | Reduced |
| Legacy Capital Group California, Inc. | 859 | $357.4K | 0.11% | +70+8.9% | Added |
| RSM US Wealth Management LLC | 859 | $357.7K | 0.00% | −210−19.6% | Reduced |
| Argent Capital Management LLC | 860 | $357.8K | 0.01% | −75−8.0% | Reduced |
| Waddell & Associates, LLC | 861 | $358.2K | 0.02% | 00.0% | Unchanged |
| Okabena Investment Services Inc | 864 | $359.5K | 0.06% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 865 | $359.9K | 0.00% | +30+3.6% | Added |
| 55 North Private Wealth, LLC | 866 | $360.3K | 0.07% | −714−45.2% | Reduced |
| Wedbush Securities Inc | 867 | $361.0K | 0.01% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 870 | $362.0K | 0.01% | +4+0.5% | Added |
| Siemens Fonds Invest GmbH | 870 | $362.0K | 0.02% | +870 | New |
| Legato Capital Management LLC | 874 | $363.6K | 0.03% | −5,540−86.4% | Reduced |
| Integrated Quantitative Investments LLC | 874 | $363.6K | 0.06% | −5,083−85.3% | Reduced |
| Everhart Financial Group, Inc. | 874 | $363.6K | 0.02% | +45+5.4% | Added |
| Capricorn Fund Managers Ltd | 880 | $366.1K | 0.03% | +880 | New |
| Moneta Group Investment Advisors LLC | 883 | $367.4K | 0.00% | −2−0.2% | Reduced |
| Jackson Thornton Asset Management, LLC | 889 | $369.9K | 0.03% | +31+3.6% | Added |
| Quent Capital, LLC | 891 | $370.7K | 0.02% | 00.0% | Unchanged |
| Keystone Financial Services | 897 | $373.2K | 0.10% | −135−13.1% | Reduced |
| Osmosis Investment Management UK Ltd | 897 | $373.2K | 0.02% | +897 | New |
| Maridea Wealth Management LLC | 898 | $373.6K | 0.04% | −2,807−75.8% | Reduced |
| Centiva Capital, LP | 900 | $374.5K | 0.01% | −1,990−68.9% | Reduced |
| Burns Matteson Capital Management, LLC | 911 | $379.0K | 0.12% | +22+2.5% | Added |
| Brand Asset Management Group, Inc. | 913 | $379.9K | 0.08% | −4−0.4% | Reduced |
| Thompson Davis & Co., Inc. | 915 | $380.7K | 0.23% | −75−7.6% | Reduced |
| Umb Bank N A | 919 | $382.4K | 0.00% | −28−3.0% | Reduced |
| Wedmont Private Capital | 1,052 | $392.3K | 0.01% | +73+7.5% | Added |
| Aaron Wealth Advisors | 955 | $397.3K | 0.02% | −252−20.9% | Reduced |
| Resources Investment Advisors, LLC. | 959 | $399.0K | 0.00% | +28+3.0% | Added |
| Cambria Investment Management, L.P. | 966 | $401.9K | 0.02% | −31−3.1% | Reduced |
| Rafferty Asset Management, LLC | 971 | $404.0K | 0.00% | +107+12.4% | Added |
| Virtue Capital Management, LLC | 971 | $404.0K | 0.05% | +971 | New |
| Principal Street Partners, LLC | 972 | $404.4K | 0.06% | +73+8.1% | Added |