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 |
|---|---|---|---|---|---|
| Wealth Enhancement Advisory Services, LLC | 20,162 | $4.29M | 0.01% | +5,420+36.8% | Added |
| Yousif Capital Management, LLC | 20,111 | $4.28M | 0.05% | −1,539−7.1% | Reduced |
| Ardsley Advisory Partners LP | 20,000 | $4.26M | 0.65% | +20,000 | New |
| Prevail Innovative Wealth Advisors, LLC | 19,967 | $4.25M | 0.82% | −1,191−5.6% | Reduced |
| Sheets Smith Wealth Management | 19,870 | $4.23M | 0.48% | −82−0.4% | Reduced |
| Paradigm Financial Partners, LLC | 19,825 | $4.22M | 0.43% | 00.0% | Unchanged |
| Bouvel Investment Partners, LLC | 19,650 | $4.18M | 1.28% | +413+2.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 19,216 | $4.09M | 0.01% | −8,820−31.5% | Reduced |
| Engineers Gate Manager LP | 19,147 | $4.07M | 0.05% | −27,877−59.3% | Reduced |
| UBS Oconnor LLC | 19,080 | $4.06M | 0.12% | +19,080 | New |
| TCW Group Inc | 18,901 | $4.02M | 0.03% | +18,901 | New |
| Arizona State Retirement System | 18,678 | $3.97M | 0.02% | +220+1.2% | Added |
| Teachers Retirement System of the State of Kentucky | 18,662 | $3.97M | 0.03% | 00.0% | Unchanged |
| Voleon Capital Management LP | 18,241 | $3.88M | 0.09% | +18,241 | New |
| Cetera Investment Advisers | 18,098 | $3.85M | 0.00% | +2,194+13.8% | Added |
| Farrow Financial Inc. | 17,914 | $3.81M | 2.21% | +24+0.1% | Added |
| Handelsbanken Fonder AB | 17,900 | $3.81M | 0.01% | +2,100+13.3% | Added |
| Mercer Global Advisors Inc | 17,784 | $3.78M | 0.01% | +12,743+252.8% | Added |
| Natixis Advisors, L.P. | 17,783 | $3.78M | 0.01% | +3,540+24.9% | Added |
| Trexquant Investment LP | 17,745 | $3.78M | 0.04% | −98,344−84.7% | Reduced |
| Hillsdale Investment Management Inc. | 17,700 | $3.77M | 0.11% | −3,520−16.6% | Reduced |
| Louisiana State Employees Retirement System | 17,100 | $3.64M | 0.06% | −100−0.6% | Reduced |
| Thrivent Financial for Lutherans | 16,593 | $3.53M | 0.01% | +2,158+14.9% | Added |
| Mariner, LLC | 16,547 | $3.52M | 0.00% | +7,325+79.4% | Added |
| Caisse de Depot Et Placement du Quebec | 16,500 | $3.51M | 0.01% | +16,500 | New |
| Gables Capital Management Inc. | 16,154 | $3.44M | 1.47% | −330−2.0% | Reduced |
| L & S Advisors Inc | 15,863 | $3.38M | 0.32% | +15,863 | New |
| Oliver Luxxe Assets LLC | 15,841 | $3.37M | 0.53% | +845+5.6% | Added |
| Otter Creek Advisors, LLC | 15,810 | $3.37M | 3.34% | +15,810 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,734 | $3.35M | 0.02% | −18−0.1% | Reduced |
| Mubadala Investment Co PJSC | 15,320 | $3.26M | 0.02% | +15,320 | New |
| Bank of Nova Scotia | 15,221 | $3.24M | 0.01% | −55,824−78.6% | Reduced |
| Shelton Capital Management | 15,205 | $3.24M | 0.07% | 00.0% | Unchanged |
| Edmond de Rothschild Holding S.A. | 15,000 | $3.19M | 0.05% | −60,000−80.0% | Reduced |
| NorthCrest Asset Manangement, LLC | 14,828 | $3.16M | 0.08% | +3,739+33.7% | Added |
| Bridgeway Capital Management, LLC | 14,820 | $3.15M | 0.07% | +14,820 | New |
| Natixis | 14,799 | $3.15M | 0.02% | −57,260−79.5% | Reduced |
| State of Michigan Retirement System | 14,639 | $3.12M | 0.01% | −100−0.7% | Reduced |
| Vennlight Capital Management, LP | 14,556 | $3.10M | 4.03% | +14,556 | New |
| Credit Agricole S A | 13,846 | $2.95M | 0.01% | +13,846 | New |
| Northwestern Mutual Investment Management Company, LLC | 13,665 | $2.91M | 0.04% | −23−0.2% | Reduced |
| Bank of Montreal | 13,498 | $2.87M | 0.00% | −952−6.6% | Reduced |
| Advantage Alpha Capital Partners LP | 13,298 | $2.83M | 0.85% | +2,951+28.5% | Added |
| KLP Kapitalforvaltning AS | 13,200 | $2.81M | 0.01% | +200+1.5% | Added |
| NJ State Employees Deferred Compensation Plan | 13,000 | $2.77M | 0.31% | 00.0% | Unchanged |
| Sycomore Asset Management | 22,437 | $2.75M | 0.46% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 12,736 | $2.71M | 0.01% | −2,868−18.4% | Reduced |
| Penn Capital Management Co Inc | 12,431 | $2.69M | 0.21% | −1,076−8.0% | Reduced |
| Brevan Howard Capital Management LP | 12,548 | $2.67M | 0.04% | −24,492−66.1% | Reduced |
| Dorsey Wright & Associates | 12,377 | $2.63M | 0.59% | +12,377 | New |
| Oregon Public Employees Retirement Fund | 12,315 | $2.62M | 0.03% | −200−1.6% | Reduced |
| New Mexico Educational Retirement Board | 12,100 | $2.58M | 0.08% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 12,055 | $2.53M | 0.05% | +7,002+138.6% | Added |
| Ameritas Investment Partners, Inc. | 11,492 | $2.45M | 0.07% | −412−3.5% | Reduced |
| Jackson Creek Investment Advisors LLC | 11,400 | $2.43M | 0.70% | −3,001−20.8% | Reduced |
| Boothbay Fund Management, LLC | 11,284 | $2.40M | 0.06% | −41,579−78.7% | Reduced |
| Ensign Peak Advisors, Inc | 11,183 | $2.38M | 0.00% | −7,200−39.2% | Reduced |
| Creative Planning | 10,879 | $2.32M | 0.00% | +4,658+74.9% | Added |
| Janney Montgomery Scott LLC | 10,873 | $2.31M | 0.01% | +5,405+98.8% | Added |
| Gallo Partners, LP | 10,800 | $2.30M | 1.73% | +10,800 | New |
| CIBC World Markets Inc. | 10,763 | $2.29M | 0.00% | +10,763 | New |
| DRW Securities, LLC | 10,524 | $2.24M | 0.12% | +10,524 | New |
| Two Sigma Investments, LP | 10,088 | $2.15M | 0.00% | −77,257−88.5% | Reduced |
| 1060 Capital, LLC | 10,000 | $2.13M | 7.23% | −20,000−66.7% | Reduced |
| Calamos Advisors LLC | 9,641 | $2.05M | 0.01% | +9,641 | New |
| Huntleigh Advisors, Inc. | 9,628 | $2.05M | 0.35% | +42+0.4% | Added |
| Strategic Global Advisors, LLC | 9,548 | $2.03M | 0.31% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,540 | $2.03M | 0.00% | −359−3.6% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 9,264 | $1.97M | 0.03% | +9,264 | New |
| Xponance, Inc. | 9,095 | $1.94M | 0.02% | −605−6.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 9,000 | $1.92M | 0.02% | +6,000+200.0% | Added |
| Cohen & Steers, Inc. | 8,879 | $1.89M | 0.00% | −5,071−36.4% | Reduced |
| Captrust Financial Advisors | 8,863 | $1.89M | 0.00% | +2,048+30.1% | Added |
| Franklin Resources Inc | 8,845 | $1.88M | 0.00% | −40.0% | Reduced |
| Emerald Advisers, LLC | 8,831 | $1.88M | 0.06% | +67+0.8% | Added |
| Leavell Investment Management, Inc. | 8,800 | $1.87M | 0.08% | +1,750+24.8% | Added |
| Pictet Asset Management Holding SA | 8,795 | $1.87M | 0.00% | −868−9.0% | Reduced |
| Fidelis Capital Partners, LLC | 8,789 | $1.87M | 0.15% | +8,789 | New |
| Lansing Street Advisors | 8,761 | $1.86M | 0.49% | −2,000−18.6% | Reduced |
| Toroso Investments, LLC | 8,486 | $1.81M | 0.01% | +2,991+54.4% | Added |
| Cookson Peirce & Co Inc | 8,476 | $1.80M | 0.07% | +281+3.4% | Added |
| Oppenheimer & Co Inc | 8,472 | $1.80M | 0.02% | +8,472 | New |
| Ritholtz Wealth Management | 8,401 | $1.79M | 0.03% | +1,163+16.1% | Added |
| Hedeker Wealth, LLC | 8,361 | $1.78M | 0.37% | +8,361 | New |
| Ninepoint Partners LP | 8,361 | $1.78M | 0.25% | +8,361 | New |
| Profit Investment Management, LLC | 8,330 | $1.77M | 2.23% | −8,730−51.2% | Reduced |
| Peregrine Capital Management LLC | 8,228 | $1.75M | 0.05% | −890−9.8% | Reduced |
| IMA Wealth, Inc. | 8,224 | $1.75M | 0.18% | −102−1.2% | Reduced |
| Bridgefront Capital, LLC | 8,207 | $1.75M | 0.51% | +198+2.5% | Added |
| First Dallas Securities Inc. | 8,150 | $1.73M | 0.65% | −200−2.4% | Reduced |
| Private Advisor Group, LLC | 8,098 | $1.72M | 0.01% | −317−3.8% | Reduced |
| Pacer Advisors, Inc. | 8,080 | $1.72M | 0.00% | −3,474−30.1% | Reduced |
| Pallas Capital Advisors LLC | 7,957 | $1.69M | 0.06% | −20.0% | Reduced |
| Colony Group, LLC | 7,638 | $1.63M | 0.00% | +2,548+50.1% | Added |
| D.A. Davidson & Co. | 7,323 | $1.56M | 0.01% | −900−10.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 7,312 | $1.56M | 0.01% | 00.0% | Unchanged |
| Caption Management, LLC | 7,300 | $1.55M | 0.09% | +7,300 | New |
| Arosa Capital Management LP | 7,000 | $1.49M | 2.29% | −13,000−65.0% | Reduced |
| HighTower Advisors, LLC | 6,828 | $1.45M | 0.00% | +588+9.4% | Added |
| Legato Capital Management LLC | 6,770 | $1.44M | 0.16% | −8,688−56.2% | Reduced |