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 2023
Institutional positions in Mastec Inc as of Sep 30, 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
- 382
- −5 vs. Q2 2023
- Shares held
- 57.1M
- −963.7K (−1.7%) vs. Q2 2023
- Total value
- $4.11B
- −$2.72B (−39.8%) vs. Q2 2023
- New holders
- 60
- 112 more added
- Sold out
- 65
- 141 more reduced
6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ardsley Advisory Partners LP | 55,520 | $4.00M | 1.08% | −800−1.4% | Reduced |
| First Washington CORP | 55,190 | $3.97M | 1.60% | −22,926−29.3% | Reduced |
| Deutsche Bank AG | 54,222 | $3.90M | 0.00% | −4,905−8.3% | Reduced |
| Wilbanks Smith & Thomas Asset Management LLC | 53,546 | $3.85M | 0.13% | −522−1.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 52,444 | $3.77M | 0.45% | +52,444 | New |
| Rockefeller Capital Management L.P. | 52,366 | $3.77M | 0.01% | +11,149+27.0% | Added |
| West Coast Financial LLC | 51,452 | $3.70M | 0.55% | −1,332−2.5% | Reduced |
| Man Group plc | – | $3.70M | 0.01% | – | – |
| Texas Permanent School Fund | 51,335 | $3.69M | 0.04% | −1,196−2.3% | Reduced |
| Dynamic Technology Lab Private Ltd | 50,435 | $3.63M | 0.36% | +50,435 | New |
| US Bancorp | 50,110 | $3.61M | 0.01% | +1,378+2.8% | Added |
| Gs Investments, Inc. | 44,850 | $3.23M | 1.84% | +40+0.1% | Added |
| First National Bank of Omaha | 44,692 | $3.22M | 0.21% | −6,797−13.2% | Reduced |
| Quantbot Technologies LP | 44,210 | $3.18M | 0.21% | +44,210 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 43,856 | $3.16M | 0.01% | −3,601−7.6% | Reduced |
| State Board of Administration of Florida Retirement System | 43,842 | $3.16M | 0.01% | +100+0.2% | Added |
| Royal Bank of Canada | 43,725 | $3.15M | 0.00% | −34,835−44.3% | Reduced |
| Duality Advisers, LP | 42,234 | $3.04M | 0.37% | +42,234 | New |
| Amalgamated Bank | 41,693 | $3.00M | 0.03% | +2,464+6.3% | Added |
| Asset Management One Co.,Ltd. | 40,152 | $2.89M | 0.01% | −5,060−11.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 39,882 | $2.87M | 0.28% | +39,882 | New |
| Price T Rowe Associates Inc | 39,690 | $2.86M | 0.00% | +78+0.2% | Added |
| South Dakota Investment Council | 39,364 | $2.83M | 0.06% | −15,006−27.6% | Reduced |
| Mutual of America Capital Management LLC | 39,264 | $2.83M | 0.03% | −4,063−9.4% | Reduced |
| UBS Group AG | 38,836 | $2.80M | 0.00% | −13,092−25.2% | Reduced |
| Profit Investment Management, LLC | 38,709 | $2.79M | 1.97% | −7,870−16.9% | Reduced |
| State of New Jersey Common Pension Fund D | 37,153 | $2.67M | 0.01% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 37,002 | $2.66M | 0.43% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 37,000 | $2.66M | 0.11% | +37,000 | New |
| Great West Life Assurance Co | 35,608 | $2.56M | 0.01% | +2,364+7.1% | Added |
| MetLife Investment Management | 34,674 | $2.50M | 0.02% | −1,130−3.2% | Reduced |
| Russell Investments Group, Ltd. | 32,878 | $2.37M | 0.00% | +1,425+4.5% | Added |
| Bank of Montreal | 23,690 | $2.29M | 0.00% | +6,818+40.4% | Added |
| Susquehanna International Group, LLP | 31,774 | $2.29M | 0.00% | −26,272−45.3% | Reduced |
| LGT Group Foundation | 31,358 | $2.18M | 0.05% | +2,470+8.6% | Added |
| Commonwealth Equity Services, LLC | 30,076 | $2.17M | 0.00% | −419−1.4% | Reduced |
| Janus Henderson Group PLC | 29,905 | $2.15M | 0.00% | +16+0.1% | Added |
| Eudaimonia Partners, LLC | 29,189 | $2.10M | 0.51% | −500−1.7% | Reduced |
| Yousif Capital Management, LLC | 29,135 | $2.10M | 0.03% | −1,255−4.1% | Reduced |
| Bridge City Capital, LLC | 28,979 | $2.09M | 1.05% | −189−0.6% | Reduced |
| Carmignac Gestion | 28,960 | $2.08M | 0.04% | +23,541+434.4% | Added |
| Captrust Financial Advisors | 28,605 | $2.06M | 0.01% | +1,693+6.3% | Added |
| Schechter Investment Advisors, LLC | 28,505 | $2.05M | 0.20% | +280+1.0% | Added |
| Campbell Newman Asset Management Inc | 27,818 | $2.00M | 0.19% | −488−1.7% | Reduced |
| MBB Public Markets I LLC | 27,602 | $1.99M | 0.13% | +27,602 | New |
| Treasurer of the State of North Carolina | 27,301 | $1.97M | 0.01% | −710−2.5% | Reduced |
| Occudo Quantitative Strategies LP | 27,302 | $1.96M | 0.25% | +27,302 | New |
| Menlo Advisors LLC | 26,665 | $1.92M | 1.26% | −160−0.6% | Reduced |
| Credit Agricole S A | 26,560 | $1.91M | 0.06% | +3,337+14.4% | Added |
| New York State Teachers Retirement System | 26,357 | $1.90M | 0.00% | −200−0.8% | Reduced |
| UBS Oconnor LLC | 26,295 | $1.89M | 0.03% | +4,300+19.5% | Added |
| Comerica Bank | 26,248 | $1.89M | 0.01% | +26,248 | New |
| Public Employees Retirement System of Ohio | 25,321 | $1.82M | 0.01% | −2,805−10.0% | Reduced |
| Cinctive Capital Management LP | 25,214 | $1.81M | 0.10% | −81,135−76.3% | Reduced |
| FORA Capital, LLC | 25,098 | $1.81M | 0.16% | +25,098 | New |
| Two Sigma Investments, LP | 25,042 | $1.80M | 0.01% | −10,413−29.4% | Reduced |
| Advisors Asset Management, Inc. | 24,616 | $1.77M | 0.04% | +593+2.5% | Added |
| Icon Advisers Inc | 24,000 | $1.73M | 0.43% | 00.0% | Unchanged |
| Thomas J. Herzfeld Advisors, Inc. | 23,568 | $1.70M | 0.66% | 00.0% | Unchanged |
| Qsemble Capital Management, LP | 23,328 | $1.68M | 0.31% | +23,328 | New |
| Federation des caisses Desjardins du Quebec | 23,191 | $1.67M | 0.02% | +11,041+90.9% | Added |
| Terra Nova Asset Management LLC | 14,054 | $1.66M | 1.51% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 22,997 | $1.66M | 0.06% | −9,175−28.5% | Reduced |
| Simplex Trading, LLC | 22,841 | $1.64M | 0.06% | +22,841 | New |
| Merewether Investment Management, LP | 22,653 | $1.63M | 0.10% | −246,500−91.6% | Reduced |
| Canoe Financial LP | 16,500 | $1.61M | 0.05% | −62,500−79.1% | Reduced |
| Leavell Investment Management, Inc. | 21,345 | $1.54M | 0.11% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 20,163 | $1.45M | 0.03% | +4,375+27.7% | Added |
| Sheets Smith Wealth Management | 20,160 | $1.45M | 0.22% | +185+0.9% | Added |
| Teachers Retirement System of the State of Kentucky | 20,142 | $1.45M | 0.01% | +9,824+95.2% | Added |
| Ensign Peak Advisors, Inc | 19,310 | $1.39M | 0.00% | 00.0% | Unchanged |
| Bouvel Investment Partners, LLC | 19,047 | $1.37M | 0.74% | +52+0.3% | Added |
| Baird Financial Group, Inc. | 18,869 | $1.36M | 0.00% | −15,391−44.9% | Reduced |
| PEAK6 Investments LLC | 18,592 | $1.34M | 0.07% | +18,592 | New |
| Paradigm Financial Partners, LLC | 19,800 | $1.33M | 0.37% | 00.0% | Unchanged |
| Bangor Savings Bank | 18,324 | $1.32M | 0.16% | −48−0.3% | Reduced |
| Arizona State Retirement System | 17,963 | $1.29M | 0.01% | +258+1.5% | Added |
| STRS Ohio | 17,859 | $1.28M | 0.01% | +4,137+30.1% | Added |
| Stifel Financial Corp | 17,638 | $1.27M | 0.00% | −30,773−63.6% | Reduced |
| Seven Eight Capital, LP | 17,499 | $1.26M | 0.15% | +17,499 | New |
| Holocene Advisors, LP | 17,280 | $1.24M | 0.01% | −68,621−79.9% | Reduced |
| Envestnet Asset Management Inc | 17,172 | $1.24M | 0.00% | −2,244−11.6% | Reduced |
| Louisiana State Employees Retirement System | 17,100 | $1.23M | 0.03% | −300−1.7% | Reduced |
| Oregon Public Employees Retirement Fund | 16,947 | $1.22M | 0.02% | −300−1.7% | Reduced |
| Erste Asset Management GmbH | 16,589 | $1.21M | 0.02% | +233+1.4% | Added |
| Trexquant Investment LP | 16,573 | $1.19M | 0.03% | +16,573 | New |
| Colonial Trust Advisors | 16,254 | $1.17M | 0.13% | +2,600+19.0% | Added |
| CWM Advisors, LLC | 15,878 | $1.14M | 0.15% | −1,116−6.6% | Reduced |
| Thrivent Financial for Lutherans | 15,135 | $1.09M | 0.00% | −538−3.4% | Reduced |
| Gables Capital Management Inc. | 15,075 | $1.08M | 0.76% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,810 | $1.07M | 0.00% | −500−3.3% | Reduced |
| State of Michigan Retirement System | 14,439 | $1.04M | 0.01% | −500−3.3% | Reduced |
| Illinois Municipal Retirement Fund | 14,022 | $1.01M | 0.02% | −8,297−37.2% | Reduced |
| Bokf, NA | 16,600 | $986.7K | 0.02% | −27−0.2% | Reduced |
| Ameritas Investment Partners, Inc. | 13,556 | $975.6K | 0.04% | −1,343−9.0% | Reduced |
| Peregrine Capital Management LLC | 13,553 | $975.4K | 0.03% | −552−3.9% | Reduced |
| SG Americas Securities, LLC | 13,498 | $971.0K | 0.01% | −8,118−37.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 13,406 | $964.8K | 0.03% | +147+1.1% | Added |
| American Century Companies Inc | 13,262 | $954.5K | 0.00% | −175−1.3% | Reduced |
| Cornercap Investment Counsel Inc | 13,097 | $942.6K | 0.17% | +13,097 | New |