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, Q4 2023
Institutional positions in Mastec Inc as of Dec 31, 2023. 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
- 368
- −11 vs. Q3 2023
- Shares held
- 61.6M
- +4.55M (+8.0%) vs. Q3 2023
- Total value
- $4.66B
- +$548.3M (+13.3%) vs. Q3 2023
- New holders
- 70
- 120 more added
- Sold out
- 81
- 117 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gs Investments, Inc. | 44,850 | $3.40M | 1.77% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 44,381 | $3.35M | 0.01% | +4,229+10.5% | Added |
| Profit Investment Management, LLC | 42,897 | $3.25M | 1.86% | +4,188+10.8% | Added |
| Price T Rowe Associates Inc | 41,613 | $3.15M | 0.00% | +1,923+4.8% | Added |
| HSBC Holdings PLC | 39,381 | $2.99M | 0.00% | −17,293−30.5% | Reduced |
| Atom Investors LP | 39,422 | $2.99M | 0.53% | +39,422 | New |
| South Dakota Investment Council | 39,364 | $2.98M | 0.06% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 39,199 | $2.97M | 0.08% | −27,856−41.5% | Reduced |
| First National Bank of Omaha | 38,361 | $2.90M | 0.18% | −6,331−14.2% | Reduced |
| Amalgamated Bank | 38,129 | $2.89M | 0.02% | −3,564−8.5% | Reduced |
| Raymond James & Associates | 38,091 | $2.88M | 0.00% | −48,680−56.1% | Reduced |
| Royal Bank of Canada | 37,745 | $2.86M | 0.00% | −5,980−13.7% | Reduced |
| Mutual of America Capital Management LLC | 37,320 | $2.83M | 0.03% | −1,944−5.0% | Reduced |
| Cinctive Capital Management LP | 36,619 | $2.77M | 0.19% | +11,405+45.2% | Added |
| Boothbay Fund Management, LLC | 34,294 | $2.60M | 0.10% | +11,297+49.1% | Added |
| Great West Life Assurance Co | 34,223 | $2.59M | 0.01% | −1,385−3.9% | Reduced |
| MetLife Investment Management | 34,116 | $2.58M | 0.02% | −558−1.6% | Reduced |
| Thomas J. Herzfeld Advisors, Inc. | 33,568 | $2.54M | 0.93% | +10,000+42.4% | Added |
| Bridge City Capital, LLC | 32,761 | $2.48M | 0.96% | +3,782+13.1% | Added |
| Deutsche Bank AG | 31,557 | $2.39M | 0.00% | −22,665−41.8% | Reduced |
| UBS Group AG | 31,531 | $2.39M | 0.00% | −7,305−18.8% | Reduced |
| Aptus Capital Advisors, LLC | 31,009 | $2.35M | 0.07% | +31,009 | New |
| Federation des caisses Desjardins du Quebec | 30,241 | $2.29M | 0.02% | +7,050+30.4% | Added |
| Eudaimonia Partners, LLC | 30,039 | $2.27M | 0.59% | +850+2.9% | Added |
| Alight Capital Management LP | 30,000 | $2.27M | 0.73% | +30,000 | New |
| Farrow Financial Inc. | 29,917 | $2.27M | 1.70% | +29,917 | New |
| Janus Henderson Group PLC | 29,856 | $2.26M | 0.00% | −49−0.2% | Reduced |
| Second Line Capital, LLC | 29,801 | $2.26M | 0.90% | +29,801 | New |
| Ardsley Advisory Partners LP | 29,720 | $2.25M | 0.48% | −25,800−46.5% | Reduced |
| Yousif Capital Management, LLC | 29,256 | $2.22M | 0.03% | +121+0.4% | Added |
| Carmignac Gestion | 28,960 | $2.19M | 0.04% | 00.0% | Unchanged |
| Campbell Newman Asset Management Inc | 27,869 | $2.11M | 0.18% | +51+0.2% | Added |
| Holocene Advisors, LP | 27,632 | $2.09M | 0.01% | +10,352+59.9% | Added |
| Treasurer of the State of North Carolina | 27,571 | $2.09M | 0.01% | +270+1.0% | Added |
| Schechter Investment Advisors, LLC | 27,179 | $2.06M | 0.18% | −1,326−4.7% | Reduced |
| New York State Teachers Retirement System | 26,357 | $2.00M | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 26,326 | $1.99M | 0.01% | +78+0.3% | Added |
| Temasek Holdings (Private) Ltd | 26,182 | $1.98M | 0.01% | +26,182 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 26,035 | $1.97M | 0.01% | +18,178+231.4% | Added |
| Public Employees Retirement System of Ohio | 26,032 | $1.97M | 0.01% | +711+2.8% | Added |
| Advisors Asset Management, Inc. | 25,730 | $1.95M | 0.04% | +1,114+4.5% | Added |
| Russell Investments Group, Ltd. | 25,276 | $1.91M | 0.00% | −7,602−23.1% | Reduced |
| Sourcerock Group LLC | 25,000 | $1.89M | 0.19% | +25,000 | New |
| Duality Advisers, LP | 23,128 | $1.75M | 0.19% | −19,106−45.2% | Reduced |
| Merewether Investment Management, LP | 22,300 | $1.69M | 0.10% | −353−1.6% | Reduced |
| LPL Financial LLC | 21,694 | $1.64M | 0.00% | +9,745+81.6% | Added |
| Trexquant Investment LP | 21,440 | $1.62M | 0.04% | +4,867+29.4% | Added |
| Waratah Capital Advisors Ltd. | 21,031 | $1.59M | 0.09% | +21,031 | New |
| Sheets Smith Wealth Management | 20,410 | $1.55M | 0.22% | +250+1.2% | Added |
| Algert Global LLC | 20,320 | $1.54M | 0.06% | +20,320 | New |
| Teachers Retirement System of the State of Kentucky | 20,142 | $1.52M | 0.01% | 00.0% | Unchanged |
| Paradigm Financial Partners, LLC | 19,800 | $1.50M | 0.36% | 00.0% | Unchanged |
| Bouvel Investment Partners, LLC | 19,505 | $1.48M | 0.69% | +458+2.4% | Added |
| Ensign Peak Advisors, Inc | 19,310 | $1.46M | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 17,832 | $1.35M | 0.02% | +1,243+7.5% | Added |
| Arizona State Retirement System | 17,636 | $1.34M | 0.01% | −327−1.8% | Reduced |
| Bank of Montreal | 17,368 | $1.32M | 0.00% | −6,322−26.7% | Reduced |
| First National Advisers, LLC | 17,137 | $1.30M | 0.37% | +5,256+44.2% | Added |
| Oregon Public Employees Retirement Fund | 17,047 | $1.29M | 0.02% | +100+0.6% | Added |
| Louisiana State Employees Retirement System | 17,000 | $1.29M | 0.03% | −100−0.6% | Reduced |
| Citigroup Inc | 15,707 | $1.19M | 0.00% | +5,649+56.2% | Added |
| Lansing Street Advisors | 15,507 | $1.17M | 0.61% | +15,507 | New |
| Thrivent Financial for Lutherans | 15,100 | $1.14M | 0.00% | −35−0.2% | Reduced |
| Gables Capital Management Inc. | 14,975 | $1.13M | 0.70% | −100−0.7% | Reduced |
| State of Michigan Retirement System | 14,539 | $1.10M | 0.01% | +100+0.7% | Added |
| Two Sigma Investments, LP | 14,246 | $1.08M | 0.00% | −10,796−43.1% | Reduced |
| Lecap Asset Management Ltd | 14,230 | $1.08M | 0.39% | +14,230 | New |
| Illinois Municipal Retirement Fund | 14,022 | $1.06M | 0.02% | 00.0% | Unchanged |
| 1492 Capital Management LLC | 13,981 | $1.06M | 0.60% | +13,981 | New |
| Rockefeller Capital Management L.P. | 13,705 | $1.04M | 0.00% | −38,661−73.8% | Reduced |
| Leavell Investment Management, Inc. | 13,550 | $1.03M | 0.07% | −7,795−36.5% | Reduced |
| Icon Advisers Inc | 13,500 | $1.02M | 0.23% | −10,500−43.8% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 13,447 | $1.02M | 0.03% | +41+0.3% | Added |
| Ameritas Investment Partners, Inc. | 13,346 | $1.01M | 0.04% | −210−1.5% | Reduced |
| American Century Companies Inc | 13,343 | $1.01M | 0.00% | +81+0.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,338 | $1.01M | 0.01% | +1,098+9.0% | Added |
| NJ State Employees Deferred Compensation Plan | 13,000 | $984.4K | 0.14% | 00.0% | Unchanged |
| NorthCrest Asset Manangement, LLC | 12,780 | $967.7K | 0.04% | 00.0% | Unchanged |
| Sycomore Asset Management | 12,937 | $965.0K | 0.21% | +12,937 | New |
| Victory Capital Management Inc | 12,628 | $956.2K | 0.00% | +1,906+17.8% | Added |
| New Mexico Educational Retirement Board | 12,100 | $916.0K | 0.04% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 12,100 | $916.0K | 0.00% | 00.0% | Unchanged |
| Oak Thistle LLC | 11,661 | $883.0K | 0.25% | +11,661 | New |
| Concentric Capital Strategies, LP | 11,159 | $845.0K | 0.11% | +11,159 | New |
| Pacer Advisors, Inc. | 11,104 | $840.8K | 0.00% | +4,336+64.1% | Added |
| Qube Research & Technologies Ltd | 11,053 | $836.9K | 0.00% | −150,255−93.1% | Reduced |
| Moors & Cabot, Inc. | 10,560 | $799.6K | 0.05% | +1,650+18.5% | Added |
| State of Wyoming | 10,535 | $797.7K | 0.15% | +2,095+24.8% | Added |
| Wintrust Investments LLC | 10,290 | $779.0K | 0.08% | +10,290 | New |
| Legato Capital Management LLC | 9,974 | $755.2K | 0.10% | 00.0% | Unchanged |
| TradeLink Capital LLC | 9,540 | $722.0K | 10.14% | +9,540 | New |
| Emerald Advisers, LLC | 9,420 | $713.3K | 0.03% | −3,099−24.8% | Reduced |
| Stifel Financial Corp | 9,110 | $689.8K | 0.00% | −8,528−48.4% | Reduced |
| JFG Wealth Management, LLC | 9,000 | $681.5K | 0.20% | +9,000 | New |
| Amundi | 9,216 | $660.3K | 0.00% | −98−1.1% | Reduced |
| Vident Advisory, LLC | 8,535 | $646.3K | 0.02% | +8,535 | New |
| Public Employees Retirement Association of Colorado | 8,244 | $624.0K | 0.00% | −486−5.6% | Reduced |
| Envestnet Asset Management Inc | 8,118 | $614.7K | 0.00% | −9,054−52.7% | Reduced |
| Thompson Investment Management, Inc. | 8,090 | $612.6K | 0.10% | +1,350+20.0% | Added |
| Gsa Capital Partners LLP | 7,988 | $605.0K | 0.05% | +7,988 | New |