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 |
|---|---|---|---|---|---|
| Illinois Municipal Retirement Fund | 14,022 | $1.06M | 0.02% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 14,230 | $1.08M | 0.39% | +14,230 | New |
| Two Sigma Investments, LP | 14,246 | $1.08M | 0.00% | −10,796−43.1% | Reduced |
| State of Michigan Retirement System | 14,539 | $1.10M | 0.01% | +100+0.7% | Added |
| Gables Capital Management Inc. | 14,975 | $1.13M | 0.70% | −100−0.7% | Reduced |
| Thrivent Financial for Lutherans | 15,100 | $1.14M | 0.00% | −35−0.2% | Reduced |
| Lansing Street Advisors | 15,507 | $1.17M | 0.61% | +15,507 | New |
| Citigroup Inc | 15,707 | $1.19M | 0.00% | +5,649+56.2% | Added |
| Louisiana State Employees Retirement System | 17,000 | $1.29M | 0.03% | −100−0.6% | Reduced |
| Oregon Public Employees Retirement Fund | 17,047 | $1.29M | 0.02% | +100+0.6% | Added |
| First National Advisers, LLC | 17,137 | $1.30M | 0.37% | +5,256+44.2% | Added |
| Bank of Montreal | 17,368 | $1.32M | 0.00% | −6,322−26.7% | Reduced |
| Arizona State Retirement System | 17,636 | $1.34M | 0.01% | −327−1.8% | Reduced |
| Erste Asset Management GmbH | 17,832 | $1.35M | 0.02% | +1,243+7.5% | Added |
| Ensign Peak Advisors, Inc | 19,310 | $1.46M | 0.00% | 00.0% | Unchanged |
| Bouvel Investment Partners, LLC | 19,505 | $1.48M | 0.69% | +458+2.4% | Added |
| Paradigm Financial Partners, LLC | 19,800 | $1.50M | 0.36% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 20,142 | $1.52M | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 20,320 | $1.54M | 0.06% | +20,320 | New |
| Sheets Smith Wealth Management | 20,410 | $1.55M | 0.22% | +250+1.2% | Added |
| Waratah Capital Advisors Ltd. | 21,031 | $1.59M | 0.09% | +21,031 | New |
| Trexquant Investment LP | 21,440 | $1.62M | 0.04% | +4,867+29.4% | Added |
| LPL Financial LLC | 21,694 | $1.64M | 0.00% | +9,745+81.6% | Added |
| Merewether Investment Management, LP | 22,300 | $1.69M | 0.10% | −353−1.6% | Reduced |
| Duality Advisers, LP | 23,128 | $1.75M | 0.19% | −19,106−45.2% | Reduced |
| Sourcerock Group LLC | 25,000 | $1.89M | 0.19% | +25,000 | New |
| Russell Investments Group, Ltd. | 25,276 | $1.91M | 0.00% | −7,602−23.1% | Reduced |
| Advisors Asset Management, Inc. | 25,730 | $1.95M | 0.04% | +1,114+4.5% | Added |
| Public Employees Retirement System of Ohio | 26,032 | $1.97M | 0.01% | +711+2.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 26,035 | $1.97M | 0.01% | +18,178+231.4% | Added |
| Temasek Holdings (Private) Ltd | 26,182 | $1.98M | 0.01% | +26,182 | New |
| Comerica Bank | 26,326 | $1.99M | 0.01% | +78+0.3% | Added |
| New York State Teachers Retirement System | 26,357 | $2.00M | 0.00% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 27,179 | $2.06M | 0.18% | −1,326−4.7% | Reduced |
| Treasurer of the State of North Carolina | 27,571 | $2.09M | 0.01% | +270+1.0% | Added |
| Holocene Advisors, LP | 27,632 | $2.09M | 0.01% | +10,352+59.9% | Added |
| Campbell Newman Asset Management Inc | 27,869 | $2.11M | 0.18% | +51+0.2% | Added |
| Carmignac Gestion | 28,960 | $2.19M | 0.04% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 29,256 | $2.22M | 0.03% | +121+0.4% | Added |
| Ardsley Advisory Partners LP | 29,720 | $2.25M | 0.48% | −25,800−46.5% | Reduced |
| Second Line Capital, LLC | 29,801 | $2.26M | 0.90% | +29,801 | New |
| Janus Henderson Group PLC | 29,856 | $2.26M | 0.00% | −49−0.2% | Reduced |
| Farrow Financial Inc. | 29,917 | $2.27M | 1.70% | +29,917 | New |
| Alight Capital Management LP | 30,000 | $2.27M | 0.73% | +30,000 | New |
| Eudaimonia Partners, LLC | 30,039 | $2.27M | 0.59% | +850+2.9% | Added |
| Federation des caisses Desjardins du Quebec | 30,241 | $2.29M | 0.02% | +7,050+30.4% | Added |
| Aptus Capital Advisors, LLC | 31,009 | $2.35M | 0.07% | +31,009 | New |
| UBS Group AG | 31,531 | $2.39M | 0.00% | −7,305−18.8% | Reduced |
| Deutsche Bank AG | 31,557 | $2.39M | 0.00% | −22,665−41.8% | Reduced |
| Bridge City Capital, LLC | 32,761 | $2.48M | 0.96% | +3,782+13.1% | Added |
| Thomas J. Herzfeld Advisors, Inc. | 33,568 | $2.54M | 0.93% | +10,000+42.4% | Added |
| MetLife Investment Management | 34,116 | $2.58M | 0.02% | −558−1.6% | Reduced |
| Great West Life Assurance Co | 34,223 | $2.59M | 0.01% | −1,385−3.9% | Reduced |
| Boothbay Fund Management, LLC | 34,294 | $2.60M | 0.10% | +11,297+49.1% | Added |
| Cinctive Capital Management LP | 36,619 | $2.77M | 0.19% | +11,405+45.2% | Added |
| Mutual of America Capital Management LLC | 37,320 | $2.83M | 0.03% | −1,944−5.0% | Reduced |
| Royal Bank of Canada | 37,745 | $2.86M | 0.00% | −5,980−13.7% | Reduced |
| Raymond James & Associates | 38,091 | $2.88M | 0.00% | −48,680−56.1% | Reduced |
| Amalgamated Bank | 38,129 | $2.89M | 0.02% | −3,564−8.5% | Reduced |
| First National Bank of Omaha | 38,361 | $2.90M | 0.18% | −6,331−14.2% | Reduced |
| Engineers Gate Manager LP | 39,199 | $2.97M | 0.08% | −27,856−41.5% | Reduced |
| South Dakota Investment Council | 39,364 | $2.98M | 0.06% | 00.0% | Unchanged |
| Atom Investors LP | 39,422 | $2.99M | 0.53% | +39,422 | New |
| HSBC Holdings PLC | 39,381 | $2.99M | 0.00% | −17,293−30.5% | Reduced |
| Price T Rowe Associates Inc | 41,613 | $3.15M | 0.00% | +1,923+4.8% | Added |
| Profit Investment Management, LLC | 42,897 | $3.25M | 1.86% | +4,188+10.8% | Added |
| Asset Management One Co.,Ltd. | 44,381 | $3.35M | 0.01% | +4,229+10.5% | Added |
| Gs Investments, Inc. | 44,850 | $3.40M | 1.77% | 00.0% | Unchanged |
| Walleye Trading LLC | 44,932 | $3.40M | 0.05% | +39,672+754.2% | Added |
| State of New Jersey Common Pension Fund D | 45,842 | $3.47M | 0.01% | +8,689+23.4% | Added |
| US Bancorp | 48,181 | $3.65M | 0.01% | −1,929−3.8% | Reduced |
| Commonwealth Equity Services, LLC | 48,484 | $3.67M | 0.01% | +18,408+61.2% | Added |
| State Board of Administration of Florida Retirement System | 50,130 | $3.80M | 0.01% | +6,288+14.3% | Added |
| Texas Permanent School Fund | 51,989 | $3.94M | 0.03% | +654+1.3% | Added |
| Twin Tree Management, LP | 54,411 | $4.12M | 0.07% | +54,411 | New |
| New York State Common Retirement Fund | 59,317 | $4.49M | 0.01% | −6,813−10.3% | Reduced |
| British Columbia Investment Management Corp | 59,500 | $4.51M | 0.04% | −267,566−81.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 63,400 | $4.80M | 0.04% | −295,744−82.3% | Reduced |
| First Washington CORP | 63,492 | $4.81M | 1.85% | +8,302+15.0% | Added |
| Barclays PLC | 64,466 | $4.88M | 0.00% | +2,521+4.1% | Added |
| Daiwa Securities Group Inc. | 64,500 | $4.88M | 0.03% | −9,500−12.8% | Reduced |
| Simplex Trading, LLC | 64,523 | $4.88M | 0.15% | +41,682+182.5% | Added |
| California State Teachers Retirement System | 67,034 | $5.08M | 0.01% | −3,024−4.3% | Reduced |
| Susquehanna International Group, LLP | 69,568 | $5.27M | 0.01% | +37,794+118.9% | Added |
| LGT Group Foundation | 73,790 | $5.58M | 0.12% | +42,432+135.3% | Added |
| AYAL Capital Advisors Ltd | 76,600 | $5.80M | 4.53% | +76,600 | New |
| American International Group, Inc. | 81,662 | $6.18M | 0.03% | −3,512−4.1% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 85,158 | $6.45M | 0.74% | +14,964+21.3% | Added |
| Sagefield Capital LP | 85,167 | $6.45M | 0.84% | +85,167 | New |
| Gotham Asset Management, LLC | 85,614 | $6.48M | 0.12% | +65,451+324.6% | Added |
| Goldman Sachs Group Inc | 87,524 | $6.63M | 0.00% | −321,080−78.6% | Reduced |
| Legal & General Group Plc | 90,698 | $6.87M | 0.00% | −1,829−2.0% | Reduced |
| Moran Wealth Management, LLC | 92,093 | $6.97M | 0.25% | −1,370−1.5% | Reduced |
| Royce & Associates LP | 92,267 | $6.99M | 0.06% | 00.0% | Unchanged |
| Truist Financial Corp | 94,834 | $7.18M | 0.01% | −15,770−14.3% | Reduced |
| State of Wisconsin Investment Board | 96,713 | $7.32M | 0.02% | +9,163+10.5% | Added |
| Wells Fargo & Company | 99,110 | $7.50M | 0.00% | +7,050+7.7% | Added |
| Credit Suisse AG | 100,310 | $7.60M | 0.01% | −136,776−57.7% | Reduced |
| FACT Capital, LP | 101,929 | $7.72M | 3.09% | +17,511+20.7% | Added |
| Jacobs Levy Equity Management, Inc | 103,320 | $7.82M | 0.04% | +46,971+83.4% | Added |