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 |
|---|---|---|---|---|---|
| Envestnet Asset Management Inc | 17,172 | $1.24M | 0.00% | −2,244−11.6% | Reduced |
| Holocene Advisors, LP | 17,280 | $1.24M | 0.01% | −68,621−79.9% | Reduced |
| Seven Eight Capital, LP | 17,499 | $1.26M | 0.15% | +17,499 | New |
| Stifel Financial Corp | 17,638 | $1.27M | 0.00% | −30,773−63.6% | Reduced |
| STRS Ohio | 17,859 | $1.28M | 0.01% | +4,137+30.1% | Added |
| Arizona State Retirement System | 17,963 | $1.29M | 0.01% | +258+1.5% | Added |
| Bangor Savings Bank | 18,324 | $1.32M | 0.16% | −48−0.3% | Reduced |
| Paradigm Financial Partners, LLC | 19,800 | $1.33M | 0.37% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 18,592 | $1.34M | 0.07% | +18,592 | New |
| Baird Financial Group, Inc. | 18,869 | $1.36M | 0.00% | −15,391−44.9% | Reduced |
| Bouvel Investment Partners, LLC | 19,047 | $1.37M | 0.74% | +52+0.3% | Added |
| Ensign Peak Advisors, Inc | 19,310 | $1.39M | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 20,142 | $1.45M | 0.01% | +9,824+95.2% | Added |
| Sheets Smith Wealth Management | 20,160 | $1.45M | 0.22% | +185+0.9% | Added |
| Gotham Asset Management, LLC | 20,163 | $1.45M | 0.03% | +4,375+27.7% | Added |
| Leavell Investment Management, Inc. | 21,345 | $1.54M | 0.11% | 00.0% | Unchanged |
| Canoe Financial LP | 16,500 | $1.61M | 0.05% | −62,500−79.1% | Reduced |
| Merewether Investment Management, LP | 22,653 | $1.63M | 0.10% | −246,500−91.6% | Reduced |
| Simplex Trading, LLC | 22,841 | $1.64M | 0.06% | +22,841 | New |
| Boothbay Fund Management, LLC | 22,997 | $1.66M | 0.06% | −9,175−28.5% | Reduced |
| Terra Nova Asset Management LLC | 14,054 | $1.66M | 1.51% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 23,191 | $1.67M | 0.02% | +11,041+90.9% | Added |
| Qsemble Capital Management, LP | 23,328 | $1.68M | 0.31% | +23,328 | New |
| Thomas J. Herzfeld Advisors, Inc. | 23,568 | $1.70M | 0.66% | 00.0% | Unchanged |
| Icon Advisers Inc | 24,000 | $1.73M | 0.43% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 24,616 | $1.77M | 0.04% | +593+2.5% | Added |
| Two Sigma Investments, LP | 25,042 | $1.80M | 0.01% | −10,413−29.4% | Reduced |
| FORA Capital, LLC | 25,098 | $1.81M | 0.16% | +25,098 | New |
| Cinctive Capital Management LP | 25,214 | $1.81M | 0.10% | −81,135−76.3% | Reduced |
| Public Employees Retirement System of Ohio | 25,321 | $1.82M | 0.01% | −2,805−10.0% | Reduced |
| Comerica Bank | 26,248 | $1.89M | 0.01% | +26,248 | New |
| UBS Oconnor LLC | 26,295 | $1.89M | 0.03% | +4,300+19.5% | Added |
| New York State Teachers Retirement System | 26,357 | $1.90M | 0.00% | −200−0.8% | Reduced |
| Credit Agricole S A | 26,560 | $1.91M | 0.06% | +3,337+14.4% | Added |
| Menlo Advisors LLC | 26,665 | $1.92M | 1.26% | −160−0.6% | Reduced |
| Occudo Quantitative Strategies LP | 27,302 | $1.96M | 0.25% | +27,302 | New |
| Treasurer of the State of North Carolina | 27,301 | $1.97M | 0.01% | −710−2.5% | Reduced |
| MBB Public Markets I LLC | 27,602 | $1.99M | 0.13% | +27,602 | New |
| Campbell Newman Asset Management Inc | 27,818 | $2.00M | 0.19% | −488−1.7% | Reduced |
| Schechter Investment Advisors, LLC | 28,505 | $2.05M | 0.20% | +280+1.0% | Added |
| Captrust Financial Advisors | 28,605 | $2.06M | 0.01% | +1,693+6.3% | Added |
| Carmignac Gestion | 28,960 | $2.08M | 0.04% | +23,541+434.4% | Added |
| Bridge City Capital, LLC | 28,979 | $2.09M | 1.05% | −189−0.6% | Reduced |
| Yousif Capital Management, LLC | 29,135 | $2.10M | 0.03% | −1,255−4.1% | Reduced |
| Eudaimonia Partners, LLC | 29,189 | $2.10M | 0.51% | −500−1.7% | Reduced |
| Janus Henderson Group PLC | 29,905 | $2.15M | 0.00% | +16+0.1% | Added |
| Commonwealth Equity Services, LLC | 30,076 | $2.17M | 0.00% | −419−1.4% | Reduced |
| LGT Group Foundation | 31,358 | $2.18M | 0.05% | +2,470+8.6% | Added |
| Susquehanna International Group, LLP | 31,774 | $2.29M | 0.00% | −26,272−45.3% | Reduced |
| Bank of Montreal | 23,690 | $2.29M | 0.00% | +6,818+40.4% | Added |
| Russell Investments Group, Ltd. | 32,878 | $2.37M | 0.00% | +1,425+4.5% | Added |
| MetLife Investment Management | 34,674 | $2.50M | 0.02% | −1,130−3.2% | Reduced |
| Great West Life Assurance Co | 35,608 | $2.56M | 0.01% | +2,364+7.1% | Added |
| Aquatic Capital Management LLC | 37,000 | $2.66M | 0.11% | +37,000 | New |
| Lombard Odier Asset Management (Switzerland) SA | 37,002 | $2.66M | 0.43% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 37,153 | $2.67M | 0.01% | 00.0% | Unchanged |
| Profit Investment Management, LLC | 38,709 | $2.79M | 1.97% | −7,870−16.9% | Reduced |
| UBS Group AG | 38,836 | $2.80M | 0.00% | −13,092−25.2% | Reduced |
| Mutual of America Capital Management LLC | 39,264 | $2.83M | 0.03% | −4,063−9.4% | Reduced |
| South Dakota Investment Council | 39,364 | $2.83M | 0.06% | −15,006−27.6% | Reduced |
| Price T Rowe Associates Inc | 39,690 | $2.86M | 0.00% | +78+0.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 39,882 | $2.87M | 0.28% | +39,882 | New |
| Asset Management One Co.,Ltd. | 40,152 | $2.89M | 0.01% | −5,060−11.2% | Reduced |
| Amalgamated Bank | 41,693 | $3.00M | 0.03% | +2,464+6.3% | Added |
| Duality Advisers, LP | 42,234 | $3.04M | 0.37% | +42,234 | New |
| Royal Bank of Canada | 43,725 | $3.15M | 0.00% | −34,835−44.3% | Reduced |
| State Board of Administration of Florida Retirement System | 43,842 | $3.16M | 0.01% | +100+0.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 43,856 | $3.16M | 0.01% | −3,601−7.6% | Reduced |
| Quantbot Technologies LP | 44,210 | $3.18M | 0.21% | +44,210 | New |
| First National Bank of Omaha | 44,692 | $3.22M | 0.21% | −6,797−13.2% | Reduced |
| Gs Investments, Inc. | 44,850 | $3.23M | 1.84% | +40+0.1% | Added |
| US Bancorp | 50,110 | $3.61M | 0.01% | +1,378+2.8% | Added |
| Dynamic Technology Lab Private Ltd | 50,435 | $3.63M | 0.36% | +50,435 | New |
| Texas Permanent School Fund | 51,335 | $3.69M | 0.04% | −1,196−2.3% | Reduced |
| Man Group plc | – | $3.70M | 0.01% | – | – |
| West Coast Financial LLC | 51,452 | $3.70M | 0.55% | −1,332−2.5% | Reduced |
| Rockefeller Capital Management L.P. | 52,366 | $3.77M | 0.01% | +11,149+27.0% | Added |
| Campbell & CO Investment Adviser LLC | 52,444 | $3.77M | 0.45% | +52,444 | New |
| Wilbanks Smith & Thomas Asset Management LLC | 53,546 | $3.85M | 0.13% | −522−1.0% | Reduced |
| Deutsche Bank AG | 54,222 | $3.90M | 0.00% | −4,905−8.3% | Reduced |
| First Washington CORP | 55,190 | $3.97M | 1.60% | −22,926−29.3% | Reduced |
| Ardsley Advisory Partners LP | 55,520 | $4.00M | 1.08% | −800−1.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 56,349 | $4.06M | 0.02% | +56,349 | New |
| HSBC Holdings PLC | 56,674 | $4.07M | 0.00% | +50,157+769.6% | Added |
| Bellecapital International Ltd. | 58,120 | $4.18M | 1.05% | +282+0.5% | Added |
| Barclays PLC | 61,945 | $4.46M | 0.00% | +24,816+66.8% | Added |
| Townsend Asset Management Corp | 64,137 | $4.62M | 2.33% | +3,790+6.3% | Added |
| New York State Common Retirement Fund | 66,130 | $4.76M | 0.01% | −27,102−29.1% | Reduced |
| Engineers Gate Manager LP | 67,055 | $4.83M | 0.18% | +67,055 | New |
| Jane Street Group, LLC | 67,278 | $4.84M | 0.01% | +48,117+251.1% | Added |
| Assenagon Asset Management S.A. | 69,120 | $4.97M | 0.02% | +69,120 | New |
| California State Teachers Retirement System | 70,058 | $5.04M | 0.01% | −6,712−8.7% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 70,194 | $5.05M | 0.63% | +10,040+16.7% | Added |
| Daiwa Securities Group Inc. | 74,000 | $5.33M | 0.04% | −126,575−63.1% | Reduced |
| Agf Management Ltd | 75,977 | $5.47M | 0.04% | −150.0% | Reduced |
| Squarepoint Ops LLC | 77,375 | $5.57M | 0.03% | +27,773+56.0% | Added |
| Pinebridge Investments, L.P. | 84,122 | $6.05M | 0.07% | +84,122 | New |
| FACT Capital, LP | 84,418 | $6.08M | 2.41% | +23,805+39.3% | Added |
| American International Group, Inc. | 85,174 | $6.13M | 0.04% | −4,836−5.4% | Reduced |
| CapWealth Advisors, LLC | 85,233 | $6.13M | 0.79% | +1,368+1.6% | Added |