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 |
|---|---|---|---|---|---|
| Sequoia Financial Advisors, LLC | 3,676 | $782.4K | 0.00% | +647+21.4% | Added |
| Atria Investments LLC | 3,688 | $784.8K | 0.01% | −434−10.5% | Reduced |
| Dorsey & Whitney Trust CO LLC | 3,731 | $794.0K | 0.04% | −42−1.1% | Reduced |
| Inceptionr LLC | 3,790 | $806.5K | 0.19% | −6,279−62.4% | Reduced |
| Wright Investors Service Inc | 3,831 | $815.3K | 0.24% | −353−8.4% | Reduced |
| Prelude Capital Management, LLC | 3,848 | $818.9K | 0.06% | −2,473−39.1% | Reduced |
| Allianz SE | 3,941 | $838.7K | 0.02% | +3,941 | New |
| Rockefeller Capital Management L.P. | 3,957 | $842.1K | 0.00% | +3,957 | New |
| Rithm Capital Corp. | 4,000 | $851.2K | 1.72% | 00.0% | Unchanged |
| Shay Capital LLC | 4,000 | $851.2K | 0.15% | +4,000 | New |
| Sheets Smith Investment Management | 4,011 | $853.6K | 0.55% | +4,011 | New |
| Integrated Wealth Concepts LLC | 4,081 | $868.5K | 0.01% | +55+1.4% | Added |
| Union Bancaire Privee, UBP SA | 4,808 | $873.4K | 0.02% | +4,808 | New |
| Virtus ETF Advisers LLC | 4,119 | $876.6K | 0.48% | −1,175−22.2% | Reduced |
| Advisory Services Network, LLC | 4,196 | $893.0K | 0.01% | +4,196 | New |
| SPX Equities Gestao de Recursos Ltda | 4,200 | $893.8K | 0.07% | +4,200 | New |
| Entropy Technologies, LP | 4,254 | $905.3K | 0.07% | −3,138−42.5% | Reduced |
| Crossmark Global Holdings, Inc. | 4,270 | $908.7K | 0.01% | −13,833−76.4% | Reduced |
| Bayforest Capital Ltd | 4,312 | $917.6K | 0.44% | −1,105−20.4% | Reduced |
| Arkadios Wealth Advisors | 4,389 | $934.0K | 0.02% | −272−5.8% | Reduced |
| Buckingham Strategic Partners | 4,586 | $945.0K | 0.01% | +1,043+29.4% | Added |
| Concurrent Investment Advisors, LLC | 4,458 | $948.7K | 0.02% | +219+5.2% | Added |
| Quantbot Technologies LP | 4,517 | $961.3K | 0.03% | −24,951−84.7% | Reduced |
| Securian Asset Management, Inc | 4,592 | $977.2K | 0.03% | −127−2.7% | Reduced |
| Alps Advisors Inc | 4,625 | $984.2K | 0.01% | +1,935+71.9% | Added |
| Daymark Wealth Partners, LLC | 4,731 | $1.01M | 0.03% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 4,801 | $1.02M | 0.30% | +1,809+60.5% | Added |
| Altshuler Shaham Ltd | 5,021 | $1.07M | 0.02% | +2,522+100.9% | Added |
| Dark Forest Capital Management LP | 5,098 | $1.08M | 0.04% | +5,098 | New |
| KRS Capital Management, LLC | 5,226 | $1.11M | 0.67% | +637+13.9% | Added |
| Quadrant Capital Group LLC | 5,257 | $1.12M | 0.04% | +25+0.5% | Added |
| Public Employees Retirement Association of Colorado | 5,295 | $1.13M | 0.00% | −1,369−20.5% | Reduced |
| Merit Financial Group, LLC | 5,305 | $1.13M | 0.01% | +421+8.6% | Added |
| Kestra Investment Management, LLC | 5,550 | $1.18M | 0.03% | +5,550 | New |
| SG Americas Securities, LLC | 5,625 | $1.20M | 0.00% | −109−1.9% | Reduced |
| Brighton Jones LLC | 5,681 | $1.21M | 0.03% | +1,177+26.1% | Added |
| Alyeska Investment Group, L.P. | 5,819 | $1.24M | 0.00% | −6,298−52.0% | Reduced |
| JustInvest LLC | 5,880 | $1.25M | 0.01% | +43+0.7% | Added |
| Williamson Legacy Group, LLC | 5,909 | $1.26M | 0.97% | +5,909 | New |
| LMR Partners LLP | 5,965 | $1.27M | 0.02% | +5,965 | New |
| IHT Wealth Management, LLC | 5,966 | $1.27M | 0.03% | +216+3.8% | Added |
| Federated Hermes, Inc. | 6,074 | $1.29M | 0.00% | −1,526−20.1% | Reduced |
| Linden Thomas Advisory Services, LLC | 6,089 | $1.30M | 0.13% | +86+1.4% | Added |
| Neuberger Berman Group LLC | 6,357 | $1.35M | 0.00% | −4−0.1% | Reduced |
| Polymer Capital Management (US) LLC | 6,377 | $1.36M | 0.18% | +4,806+305.9% | Added |
| New York Life Investment Management LLC | 6,412 | $1.36M | 0.01% | −233−3.5% | Reduced |
| Massachusetts Financial Services Co | 6,462 | $1.38M | 0.00% | +1,564+31.9% | Added |
| Ossiam | 6,545 | $1.39M | 0.02% | +6,545 | New |
| State of Alaska, Department of Revenue | 6,583 | $1.40M | 0.01% | −300−4.4% | Reduced |
| Chung Wu Investment Group, LLC | 6,615 | $1.41M | 1.17% | +1,060+19.1% | Added |
| HighVista Strategies LLC | 6,700 | $1.43M | 0.35% | −4,300−39.1% | Reduced |
| Summit Trail Advisors, LLC | 6,736 | $1.43M | 0.02% | +6,736 | New |
| Legato Capital Management LLC | 6,770 | $1.44M | 0.16% | −8,688−56.2% | Reduced |
| HighTower Advisors, LLC | 6,828 | $1.45M | 0.00% | +588+9.4% | Added |
| Arosa Capital Management LP | 7,000 | $1.49M | 2.29% | −13,000−65.0% | Reduced |
| Caption Management, LLC | 7,300 | $1.55M | 0.09% | +7,300 | New |
| B. Metzler seel. Sohn & Co. AG | 7,312 | $1.56M | 0.01% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 7,323 | $1.56M | 0.01% | −900−10.9% | Reduced |
| Colony Group, LLC | 7,638 | $1.63M | 0.00% | +2,548+50.1% | Added |
| Pallas Capital Advisors LLC | 7,957 | $1.69M | 0.06% | −20.0% | Reduced |
| Pacer Advisors, Inc. | 8,080 | $1.72M | 0.00% | −3,474−30.1% | Reduced |
| Private Advisor Group, LLC | 8,098 | $1.72M | 0.01% | −317−3.8% | Reduced |
| First Dallas Securities Inc. | 8,150 | $1.73M | 0.65% | −200−2.4% | Reduced |
| Bridgefront Capital, LLC | 8,207 | $1.75M | 0.51% | +198+2.5% | Added |
| IMA Wealth, Inc. | 8,224 | $1.75M | 0.18% | −102−1.2% | Reduced |
| Peregrine Capital Management LLC | 8,228 | $1.75M | 0.05% | −890−9.8% | Reduced |
| Profit Investment Management, LLC | 8,330 | $1.77M | 2.23% | −8,730−51.2% | Reduced |
| Hedeker Wealth, LLC | 8,361 | $1.78M | 0.37% | +8,361 | New |
| Ninepoint Partners LP | 8,361 | $1.78M | 0.25% | +8,361 | New |
| Ritholtz Wealth Management | 8,401 | $1.79M | 0.03% | +1,163+16.1% | Added |
| Oppenheimer & Co Inc | 8,472 | $1.80M | 0.02% | +8,472 | New |
| Cookson Peirce & Co Inc | 8,476 | $1.80M | 0.07% | +281+3.4% | Added |
| Toroso Investments, LLC | 8,486 | $1.81M | 0.01% | +2,991+54.4% | Added |
| Lansing Street Advisors | 8,761 | $1.86M | 0.49% | −2,000−18.6% | Reduced |
| Fidelis Capital Partners, LLC | 8,789 | $1.87M | 0.15% | +8,789 | New |
| Pictet Asset Management Holding SA | 8,795 | $1.87M | 0.00% | −868−9.0% | Reduced |
| Leavell Investment Management, Inc. | 8,800 | $1.87M | 0.08% | +1,750+24.8% | Added |
| Emerald Advisers, LLC | 8,831 | $1.88M | 0.06% | +67+0.8% | Added |
| Franklin Resources Inc | 8,845 | $1.88M | 0.00% | −40.0% | Reduced |
| Captrust Financial Advisors | 8,863 | $1.89M | 0.00% | +2,048+30.1% | Added |
| Cohen & Steers, Inc. | 8,879 | $1.89M | 0.00% | −5,071−36.4% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 9,000 | $1.92M | 0.02% | +6,000+200.0% | Added |
| Xponance, Inc. | 9,095 | $1.94M | 0.02% | −605−6.2% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 9,264 | $1.97M | 0.03% | +9,264 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,540 | $2.03M | 0.00% | −359−3.6% | Reduced |
| Strategic Global Advisors, LLC | 9,548 | $2.03M | 0.31% | 00.0% | Unchanged |
| Huntleigh Advisors, Inc. | 9,628 | $2.05M | 0.35% | +42+0.4% | Added |
| Calamos Advisors LLC | 9,641 | $2.05M | 0.01% | +9,641 | New |
| 1060 Capital, LLC | 10,000 | $2.13M | 7.23% | −20,000−66.7% | Reduced |
| Two Sigma Investments, LP | 10,088 | $2.15M | 0.00% | −77,257−88.5% | Reduced |
| DRW Securities, LLC | 10,524 | $2.24M | 0.12% | +10,524 | New |
| CIBC World Markets Inc. | 10,763 | $2.29M | 0.00% | +10,763 | New |
| Gallo Partners, LP | 10,800 | $2.30M | 1.73% | +10,800 | New |
| Janney Montgomery Scott LLC | 10,873 | $2.31M | 0.01% | +5,405+98.8% | Added |
| Creative Planning | 10,879 | $2.32M | 0.00% | +4,658+74.9% | Added |
| Ensign Peak Advisors, Inc | 11,183 | $2.38M | 0.00% | −7,200−39.2% | Reduced |
| Boothbay Fund Management, LLC | 11,284 | $2.40M | 0.06% | −41,579−78.7% | Reduced |
| Jackson Creek Investment Advisors LLC | 11,400 | $2.43M | 0.70% | −3,001−20.8% | Reduced |
| Ameritas Investment Partners, Inc. | 11,492 | $2.45M | 0.07% | −412−3.5% | Reduced |
| Wolverine Trading, LLC | 12,055 | $2.53M | 0.05% | +7,002+138.6% | Added |