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 |
|---|---|---|---|---|---|
| TFC Financial Management | 1 | $213 | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 1 | $213 | 0.00% | 00.0% | Unchanged |
| Wealth Watch Advisors, INC | 1 | $213 | 0.00% | +1 | New |
| Tortoise Investment Management, LLC | 2 | $426 | 0.00% | +1+100.0% | Added |
| New Millennium Group LLC | 2 | $426 | 0.00% | +2 | New |
| Turning Point Benefit Group, Inc. | 2 | $430 | 0.00% | +2 | New |
| Bruce G. Allen Investments, LLC | 3 | $638 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 5 | $1.06K | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 6 | $1.28K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 6 | $1.28K | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 6 | $1.28K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 6 | $1.28K | 0.00% | +1+20.0% | Added |
| Cornerstone Planning Group LLC | 6 | $1.28K | 0.00% | 00.0% | Unchanged |
| Bay Harbor Wealth Management, LLC | 7 | $1.49K | 0.00% | +3+75.0% | Added |
| Bare Financial Services, Inc | 7 | $1.49K | 0.00% | 00.0% | Unchanged |
| Marquette Asset Management, LLC | 7 | $1.49K | 0.00% | +7 | New |
| ZRC Wealth Management, LLC | 8 | $1.70K | 0.00% | +8 | New |
| SJS Investment Consulting Inc. | 9 | $1.92K | 0.00% | +1+12.5% | Added |
| Cloud Capital Management, LLC | 12 | $2.00K | 0.00% | +12 | New |
| Anchor Investment Management, LLC | 10 | $2.13K | 0.00% | 00.0% | Unchanged |
| Heartwood Wealth Advisors LLC | 10 | $2.13K | 0.00% | +10 | New |
| Larson Financial Group LLC | 11 | $2.34K | 0.00% | +7+175.0% | Added |
| Transamerica Financial Advisors, Inc. | 11 | $2.34K | 0.00% | +11 | New |
| MAI Capital Management | 12 | $2.55K | 0.00% | −15−55.6% | Reduced |
| Financial Management Professionals, Inc. | 13 | $2.77K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 13 | $2.77K | 0.00% | 00.0% | Unchanged |
| Evolution Advisers, Inc. | 15 | $3.00K | 0.00% | +6+66.7% | Added |
| Raffa Wealth Management, LLC | 15 | $3.19K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 19 | $3.45K | 0.00% | +2+11.8% | Added |
| NBC Securities, Inc. | 18 | $3.83K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 19 | $4.04K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 22 | $4.68K | 0.00% | −29−56.9% | Reduced |
| Halbert Hargrove Global Advisors, LLC | 22 | $4.68K | 0.00% | +22 | New |
| Toth Financial Advisory Corp | 24 | $5.11K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 25 | $5.32K | 0.00% | 00.0% | Unchanged |
| Creekmur Asset Management LLC | 25 | $5.32K | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 28 | $5.96K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 29 | $6.17K | 0.00% | +10+52.6% | Added |
| Byrne Asset Management LLC | 30 | $6.38K | 0.00% | 00.0% | Unchanged |
| Boreal Capital Management LLC | 31 | $6.60K | 0.01% | 00.0% | Unchanged |
| ORG Partners LLC | 32 | $6.81K | 0.00% | +32 | New |
| Trust Co of Toledo NA | 32 | $6.81K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 32 | $6.81K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 33 | $7.02K | 0.00% | +1+3.1% | Added |
| Rakuten Securities, Inc. | 34 | $7.24K | 0.00% | −54−61.4% | Reduced |
| Central Trust Co | 34 | $7.24K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 34 | $7.24K | 0.00% | +11+47.8% | Added |
| Strategic Wealth Partners, Ltd. | 37 | $7.87K | 0.00% | 00.0% | Unchanged |
| Eastern Bank | 38 | $8.09K | 0.00% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 40 | $8.51K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 41 | $8.73K | 0.00% | +3+7.9% | Added |
| Harbour Investments, Inc. | 42 | $8.94K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Co | 42 | $8.94K | 0.00% | 00.0% | Unchanged |
| Pension & Wealth Management Advisors, Inc. | 43 | $9.15K | 0.00% | 00.0% | Unchanged |
| Kentucky Trust Co | 45 | $9.58K | 0.01% | 00.0% | Unchanged |
| 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 |
| Farmers & Merchants Investments Inc | 52 | $11.1K | 0.00% | +2+4.0% | Added |
| Bell Investment Advisors, Inc | 52 | $11.1K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 53 | $11.3K | 0.00% | −19−26.4% | Reduced |
| First Horizon Corp | 54 | $11.5K | 0.00% | +54 | New |
| LRI Investments, LLC | 61 | $13.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 64 | $13.6K | 0.00% | −144−69.2% | Reduced |
| Massmutual Trust Co FSB | 68 | $14.5K | 0.00% | −16−19.0% | 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 |
| Bryn Mawr Trust Co | 76 | $16.2K | 0.00% | −130−63.1% | Reduced |
| Sunbelt Securities, Inc. | 99 | $21.1K | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 106 | $22.6K | 0.00% | −200−65.4% | Reduced |
| Stone House Investment Management, LLC | 110 | $23.4K | 0.00% | +8+7.8% | Added |
| Delta Asset Management LLC | 112 | $23.8K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 114 | $24.3K | 0.00% | +114 | New |
| High Note Wealth, LLC | 115 | $24.5K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 117 | $24.9K | 0.01% | −1,256−91.5% | Reduced |
| Salomon & Ludwin, LLC | 120 | $25.9K | 0.00% | +93+344.4% | Added |
| Solstein Capital, LLC | 139 | $29.6K | 0.01% | 00.0% | Unchanged |
| Ameliora Wealth Management Ltd. | 145 | $30.9K | 0.01% | 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 |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 160 | $34.0K | 0.00% | 00.0% | Unchanged |
| Caldwell Trust Co | 168 | $35.8K | 0.00% | 00.0% | Unchanged |
| Indiana Trust & Investment Management CO | 175 | $37.2K | 0.01% | 00.0% | Unchanged |
| IFP Advisors, Inc | 176 | $37.5K | 0.00% | +2+1.1% | Added |
| Core Alternative Capital | 179 | $38.1K | 0.01% | 00.0% | Unchanged |
| Princeton Global Asset Management LLC | 200 | $42.6K | 0.01% | +200 | New |
| Close Asset Management Ltd | 200 | $43.0K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 205 | $43.6K | 0.00% | −176−46.2% | Reduced |
| Parkside Financial Bank & Trust | 221 | $47.0K | 0.00% | +30+15.7% | Added |
| Root Financial Partners, LLC | 228 | $48.5K | 0.00% | +228 | New |
| Signaturefd, LLC | 235 | $50.0K | 0.00% | +3+1.3% | Added |
| Smartleaf Asset Management LLC | 249 | $52.2K | 0.00% | +46+22.7% | Added |
| Evelyn Partners Asset Management Ltd | 250 | $53.2K | 0.01% | 00.0% | Unchanged |
| Fourth Dimension Wealth, LLC | 260 | $55.3K | 0.02% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 268 | $57.0K | 0.00% | −35−11.6% | Reduced |
| American Capital Advisory, LLC | 288 | $61.3K | 0.03% | +1+0.3% | Added |
| Smallwood Wealth Investment Management, LLC | 300 | $63.8K | 0.03% | 00.0% | Unchanged |
| State of Wyoming | 303 | $64.5K | 0.01% | −2,012−86.9% | Reduced |
| Ci Investments Inc. | 319 | $68.0K | 0.00% | +91+39.9% | Added |
| Ronald Blue Trust, Inc. | 391 | $83.2K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 404 | $86.0K | 0.00% | +128+46.4% | Added |