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, Q3 2025
Institutional positions in Mastec Inc as of Sep 30, 2025. 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
- 652
- +65 vs. Q2 2025
- Shares held
- 57.3M
- +1.49M (+2.7%) vs. Q2 2025
- Total value
- $12.2B
- +$2.69B (+28.4%) vs. Q2 2025
- New holders
- 138
- 203 more added
- Sold out
- 73
- 224 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Empowered Funds, LLC | 1,062 | $226.0K | 0.00% | +1,062 | New |
| Moneta Group Investment Advisors LLC | 1,060 | $225.6K | 0.00% | +1,060 | New |
| Rafferty Asset Management, LLC | 1,059 | $225.4K | 0.00% | +1,059 | New |
| Pitcairn Co | 1,058 | $225.2K | 0.02% | −400−27.4% | Reduced |
| Groupama Asset Managment | 1,048 | $223.0K | 0.00% | +1,048 | New |
| Acadian Asset Management LLC | 1,049 | $223.0K | 0.00% | −903−46.3% | Reduced |
| Oppenheimer Asset Management Inc. | 1,029 | $219.0K | 0.00% | +1,029 | New |
| Quantum Financial Advisors, LLC | 1,027 | $218.6K | 0.03% | +1,027 | New |
| Diametric Capital, LP | 1,027 | $218.6K | 0.08% | +1,027 | New |
| HighPoint Advisor Group LLC | 1,016 | $216.2K | 0.01% | +1,016 | New |
| Trajan Wealth LLC | 1,013 | $215.6K | 0.01% | −352−25.8% | Reduced |
| Baird Financial Group, Inc. | 1,013 | $215.6K | 0.00% | +1,013 | New |
| Smithfield Trust Co | 1,010 | $215.0K | 0.01% | +400+65.6% | Added |
| Keystone Financial Services | 1,004 | $213.7K | 0.07% | +1,004 | New |
| Aigen Investment Management, LP | 1,003 | $213.4K | 0.03% | +1,003 | New |
| Agp Franklin, LLC | 1,000 | $212.8K | 0.10% | +1,000 | New |
| PVG Asset Management Corp | 996 | $212.0K | 0.78% | +996 | New |
| Thompson Davis & Co., Inc. | 990 | $210.7K | 0.13% | +990 | New |
| Brinker Capital Investments, LLC | 986 | $209.8K | 0.00% | +986 | New |
| Quent Capital, LLC | 981 | $208.8K | 0.02% | +981 | New |
| Skopos Labs, Inc. | 1,212 | $208.5K | 0.03% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 978 | $208.1K | 0.00% | +978 | New |
| Capital Performance Advisors LLP | 971 | $206.6K | 0.03% | +971 | New |
| Atomi Financial Group, Inc. | 963 | $204.9K | 0.01% | +963 | New |
| Wealth Alliance | 953 | $202.8K | 0.02% | −236−19.8% | Reduced |
| Equitable Holdings, Inc. | 953 | $202.8K | 0.00% | +953 | New |
| Rathbone Brothers plc | 950 | $202.2K | 0.00% | +950 | New |
| Geneos Wealth Management Inc. | 937 | $199.4K | 0.01% | −305−24.6% | Reduced |
| Quest Partners LLC | 919 | $195.6K | 0.01% | −6,997−88.4% | Reduced |
| Shell Asset Management Co | 893 | $190.0K | 0.02% | −1,348−60.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 891 | $189.6K | 0.00% | +556+166.0% | Added |
| Umb Bank N A | 880 | $187.3K | 0.00% | +2+0.2% | Added |
| Emerald Mutual Fund Advisers Trust | 864 | $183.9K | 0.01% | −169−16.4% | Reduced |
| Horizon Investments, LLC | 852 | $181.3K | 0.00% | +852 | New |
| Motco | 845 | $179.8K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 718 | $152.8K | 0.00% | +363+102.3% | Added |
| Cullen/Frost Bankers, Inc. | 718 | $152.8K | 0.00% | +429+148.4% | Added |
| Fifth Third Bancorp | 711 | $151.3K | 0.00% | +5+0.7% | Added |
| Rise Advisors, LLC | 667 | $141.9K | 0.05% | 00.0% | Unchanged |
| Concord Wealth Partners | 656 | $139.6K | 0.02% | +656 | New |
| Leonteq Securities AG | 654 | $139.2K | 0.01% | −8−1.2% | Reduced |
| Resona Asset Management Co.,Ltd. | 647 | $135.6K | 0.00% | −830−56.2% | Reduced |
| Vestcor Inc | 600 | $128.0K | 0.00% | +600 | New |
| Nisa Investment Advisors, LLC | 550 | $117.0K | 0.00% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 540 | $114.9K | 0.00% | 00.0% | Unchanged |
| ISAM Funds (UK) Ltd | 528 | $112.4K | 0.02% | −10,874−95.4% | Reduced |
| North Star Investment Management Corp. | 500 | $106.4K | 0.01% | 00.0% | Unchanged |
| Operose Advisors LLC | 500 | $106.4K | 0.03% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 472 | $100.4K | 0.00% | −31−6.2% | Reduced |
| True Wealth Design, LLC | 451 | $96.0K | 0.03% | +266+143.8% | Added |
| Principal Securities, Inc. | 450 | $95.8K | 0.00% | +109+32.0% | Added |
| Rothschild Investment LLC | 406 | $86.4K | 0.00% | +68+20.1% | Added |
| Farther Finance Advisors, LLC | 404 | $86.0K | 0.00% | +128+46.4% | Added |
| Ronald Blue Trust, Inc. | 391 | $83.2K | 0.00% | 00.0% | Unchanged |
| Ci Investments Inc. | 319 | $68.0K | 0.00% | +91+39.9% | Added |
| State of Wyoming | 303 | $64.5K | 0.01% | −2,012−86.9% | Reduced |
| Smallwood Wealth Investment Management, LLC | 300 | $63.8K | 0.03% | 00.0% | Unchanged |
| American Capital Advisory, LLC | 288 | $61.3K | 0.03% | +1+0.3% | Added |
| Parallel Advisors, LLC | 268 | $57.0K | 0.00% | −35−11.6% | Reduced |
| Fourth Dimension Wealth, LLC | 260 | $55.3K | 0.02% | 00.0% | Unchanged |
| Evelyn Partners Asset Management Ltd | 250 | $53.2K | 0.01% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 249 | $52.2K | 0.00% | +46+22.7% | Added |
| Signaturefd, LLC | 235 | $50.0K | 0.00% | +3+1.3% | Added |
| Root Financial Partners, LLC | 228 | $48.5K | 0.00% | +228 | New |
| Parkside Financial Bank & Trust | 221 | $47.0K | 0.00% | +30+15.7% | Added |
| Huntington National Bank | 205 | $43.6K | 0.00% | −176−46.2% | Reduced |
| Close Asset Management Ltd | 200 | $43.0K | 0.00% | 00.0% | Unchanged |
| Princeton Global Asset Management LLC | 200 | $42.6K | 0.01% | +200 | New |
| Core Alternative Capital | 179 | $38.1K | 0.01% | 00.0% | Unchanged |
| IFP Advisors, Inc | 176 | $37.5K | 0.00% | +2+1.1% | Added |
| Indiana Trust & Investment Management CO | 175 | $37.2K | 0.01% | 00.0% | Unchanged |
| Caldwell Trust Co | 168 | $35.8K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 160 | $34.0K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 156 | $33.0K | 0.00% | +23+17.3% | Added |
| Covestor Ltd | 155 | $33.0K | 0.02% | +41+36.0% | Added |
| Ameliora Wealth Management Ltd. | 145 | $30.9K | 0.01% | 00.0% | Unchanged |
| Solstein Capital, LLC | 139 | $29.6K | 0.01% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 120 | $25.9K | 0.00% | +93+344.4% | Added |
| Quarry LP | 117 | $24.9K | 0.01% | −1,256−91.5% | Reduced |
| High Note Wealth, LLC | 115 | $24.5K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 114 | $24.3K | 0.00% | +114 | New |
| Delta Asset Management LLC | 112 | $23.8K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 110 | $23.4K | 0.00% | +8+7.8% | Added |
| Harbor Investment Advisory, LLC | 106 | $22.6K | 0.00% | −200−65.4% | Reduced |
| Sunbelt Securities, Inc. | 99 | $21.1K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 76 | $16.2K | 0.00% | −130−63.1% | Reduced |
| Accent Capital Management, LLC | 70 | $14.9K | 0.01% | −93−57.1% | Reduced |
| JDM Financial Group LLC | 70 | $14.9K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 68 | $14.5K | 0.00% | −16−19.0% | Reduced |
| Ameritas Advisory Services, LLC | 64 | $13.6K | 0.00% | −144−69.2% | Reduced |
| LRI Investments, LLC | 61 | $13.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 54 | $11.5K | 0.00% | +54 | New |
| Meeder Asset Management Inc | 53 | $11.3K | 0.00% | −19−26.4% | Reduced |
| Bell Investment Advisors, Inc | 52 | $11.1K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 52 | $11.1K | 0.00% | +2+4.0% | Added |
| CIBC Private Wealth Group, LLC | 50 | $10.6K | 0.00% | −1,171−95.9% | Reduced |
| Manchester Capital Management LLC | 50 | $10.6K | 0.00% | 00.0% | Unchanged |
| Kentucky Trust Co | 45 | $9.58K | 0.01% | 00.0% | Unchanged |
| Pension & Wealth Management Advisors, Inc. | 43 | $9.15K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 42 | $8.94K | 0.00% | 00.0% | Unchanged |