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 2025
Institutional positions in Mastec Inc as of Dec 31, 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
- 695
- +54 vs. Q3 2025
- Shares held
- 58.7M
- +1.58M (+2.8%) vs. Q3 2025
- Total value
- $12.8B
- +$615.7M (+5.1%) vs. Q3 2025
- New holders
- 121
- 241 more added
- Sold out
- 67
- 227 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gables Capital Management Inc. | 21,054 | $4.58M | 1.93% | +4,900+30.3% | Added |
| O'Shaughnessy Asset Management, LLC | 21,179 | $4.60M | 0.03% | −7,735−26.8% | Reduced |
| Citadel Advisors LLC | 21,267 | $4.62M | 0.00% | −40,717−65.7% | Reduced |
| US Bancorp | 21,418 | $4.66M | 0.01% | −445−2.0% | Reduced |
| Yousif Capital Management, LLC | 19,731 | $4.74M | 0.05% | −380−1.9% | Reduced |
| Pathstone Holdings, LLC | 21,865 | $4.75M | 0.02% | −1,343−5.8% | Reduced |
| Campbell Newman Asset Management Inc | 22,123 | $4.81M | 0.35% | −2,131−8.8% | Reduced |
| First National Advisers, LLC | 22,139 | $4.81M | 0.66% | −5,300−19.3% | Reduced |
| Voleon Capital Management LP | 22,526 | $4.90M | 0.11% | +4,285+23.5% | Added |
| Stifel Financial Corp | 22,961 | $4.99M | 0.00% | −460−2.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 21,119 | $5.05M | 0.01% | +957+4.7% | Added |
| Hel Ved Capital Management Ltd | 24,225 | $5.27M | 1.82% | +24,225 | New |
| Cambridge Investment Research Advisors, Inc. | 24,250 | $5.27M | 0.01% | +13+0.1% | Added |
| Scotia Capital Inc. | 24,605 | $5.35M | 0.02% | −444−1.8% | Reduced |
| Mutual of America Capital Management LLC | 25,527 | $5.55M | 0.06% | −2,787−9.8% | Reduced |
| PDT Partners, LLC | 25,533 | $5.55M | 0.36% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 26,063 | $5.67M | 0.02% | −1,897−6.8% | Reduced |
| Hodges Capital Management Inc. | 26,076 | $5.67M | 0.49% | −2,673−9.3% | Reduced |
| Pinnbrook Capital Management LP | 26,185 | $5.69M | 1.47% | −14,425−35.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 26,348 | $5.73M | 0.05% | −1,219−4.4% | Reduced |
| Commonwealth Equity Services, LLC | 26,388 | $5.74M | 0.01% | −12,586−32.3% | Reduced |
| Riposte Capital LLC | 26,859 | $5.84M | 2.43% | +26,859 | New |
| Janney Montgomery Scott LLC | 26,942 | $5.86M | 0.01% | +16,069+147.8% | Added |
| Danske Bank A/S | 27,763 | $6.03M | 0.01% | −41−0.1% | Reduced |
| Janus Henderson Group PLC | 27,855 | $6.06M | 0.00% | −32−0.1% | Reduced |
| Kingswood Wealth Advisors, LLC | 27,970 | $6.08M | 0.29% | +486+1.8% | Added |
| Kennedy Capital Management, Inc. | 28,023 | $6.09M | 0.13% | +147+0.5% | Added |
| Comerica Bank | 28,218 | $6.13M | 0.02% | −2,304−7.5% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 28,300 | $6.15M | 0.05% | +2,654+10.3% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 28,334 | $6.16M | 0.31% | −21,261−42.9% | Reduced |
| Amalgamated Bank | 28,590 | $6.21M | 0.04% | −192−0.7% | Reduced |
| Edgestream Partners, L.P. | 29,052 | $6.32M | 0.18% | +26,068+873.6% | Added |
| PEAK6 LLC | 29,217 | $6.35M | 0.17% | +27,983+2,267.7% | Added |
| State of Tennessee, Treasury Department | 26,474 | $6.37M | 0.02% | −1,133−4.1% | Reduced |
| SG Americas Securities, LLC | 29,769 | $6.47M | 0.01% | +24,144+429.2% | Added |
| Chase Investment Counsel Corp | 29,778 | $6.47M | 1.81% | +1,113+3.9% | Added |
| Pinebridge Investments LLC | 30,184 | $6.56M | 0.05% | +30,184 | New |
| New York State Teachers Retirement System | 30,343 | $6.60M | 0.01% | −100−0.3% | Reduced |
| CWM, LLC | 30,605 | $6.65M | 0.02% | +561+1.9% | Added |
| MetLife Investment Management | 30,616 | $6.66M | 0.03% | −1,530−4.8% | Reduced |
| New York State Common Retirement Fund | 30,929 | $6.72M | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 30,946 | $6.73M | 0.02% | +30,946 | New |
| Dana Investment Advisors, Inc. | 32,166 | $6.99M | 0.20% | +624+2.0% | Added |
| Erste Asset Management GmbH | 33,030 | $7.36M | 0.06% | +2,285+7.4% | Added |
| Marco Investment Management LLC | 34,625 | $7.53M | 0.57% | +3,020+9.6% | Added |
| Cohen & Steers, Inc. | 35,040 | $7.62M | 0.01% | +26,161+294.6% | Added |
| Great West Life Assurance Co | 35,493 | $7.72M | 0.01% | +464+1.3% | Added |
| CIBC World Markets Inc. | 36,051 | $7.84M | 0.01% | +25,288+235.0% | Added |
| Zacks Investment Management | 36,182 | $7.86M | 0.06% | +43+0.1% | Added |
| Intech Investment Management LLC | 36,520 | $7.94M | 0.07% | +12,386+51.3% | Added |
| Van Eck Associates Corp | 37,780 | $8.21M | 0.01% | −16,270−30.1% | Reduced |
| Wedge Capital Management L L P | 38,155 | $8.29M | 0.15% | −4,748−11.1% | Reduced |
| Two Sigma Advisers, LP | 39,500 | $8.59M | 0.02% | +17,800+82.0% | Added |
| Zweig-DiMenna Associates LLC | 40,000 | $8.69M | 0.62% | +40,000 | New |
| J. Safra Sarasin Holding AG | 40,545 | $8.81M | 0.14% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 40,900 | $8.89M | 0.03% | +35,081+602.9% | Added |
| MML Investors Services, LLC | 40,984 | $8.91M | 0.02% | +2,544+6.6% | Added |
| First Washington CORP | 41,774 | $9.08M | 2.35% | −391−0.9% | Reduced |
| Toroso Investments, LLC | 41,883 | $9.10M | 0.04% | +33,397+393.6% | Added |
| Advisors Asset Management, Inc. | 42,250 | $9.18M | 0.15% | −352−0.8% | Reduced |
| Stephens Inc | 43,793 | $9.52M | 0.12% | +18,719+74.7% | Added |
| Intrinsic Edge Capital Management LLC | 44,257 | $9.62M | 1.87% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 45,047 | $9.79M | 0.08% | +22,717+101.7% | Added |
| Storebrand Asset Management AS | 45,847 | $9.97M | 0.03% | −14,026−23.4% | Reduced |
| Cerity Partners LLC | 46,015 | $10.0M | 0.01% | +747+1.7% | Added |
| Verition Fund Management LLC | 46,240 | $10.1M | 0.05% | −24,284−34.4% | Reduced |
| Public Employees Retirement System of Ohio | 46,954 | $10.2M | 0.03% | −1,290−2.7% | Reduced |
| Boothbay Fund Management, LLC | 47,124 | $10.2M | 0.27% | +35,840+317.6% | Added |
| State Board of Administration of Florida Retirement System | 50,138 | $10.9M | 0.02% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 50,849 | $11.1M | 0.10% | +204+0.4% | Added |
| Bruni J V & Co | 51,464 | $11.2M | 1.10% | −1,125−2.1% | Reduced |
| State of Wisconsin Investment Board | 51,657 | $11.2M | 0.03% | −30,279−37.0% | Reduced |
| Sterling Capital Management LLC | 52,280 | $11.4M | 0.18% | −13,340−20.3% | Reduced |
| Great Lakes Advisors, LLC | 53,107 | $11.5M | 0.09% | −14,962−22.0% | Reduced |
| Agf Management Ltd | 53,236 | $11.6M | 0.05% | −1,610−2.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 51,875 | $11.8M | 0.02% | −13,152−20.2% | Reduced |
| Candriam Luxembourg S.C.A. | 54,398 | $11.8M | 0.06% | −14,909−21.5% | Reduced |
| Price T Rowe Associates Inc | 54,783 | $11.9M | 0.00% | +3,635+7.1% | Added |
| SummitTX Capital, L.P. | 55,640 | $12.1M | 0.37% | +32,967+145.4% | Added |
| Atika Capital Management LLC | 55,998 | $12.2M | 1.69% | +16,498+41.8% | Added |
| Scopus Asset Management, L.P. | 57,001 | $12.4M | 0.35% | +22,809+66.7% | Added |
| LMR Partners LLP | 57,349 | $12.5M | 0.12% | +51,384+861.4% | Added |
| Banco Santander, S.A. | 57,877 | $12.6M | 0.09% | 00.0% | Unchanged |
| California State Teachers Retirement System | 59,817 | $13.0M | 0.01% | +221+0.4% | Added |
| Norges Bank | 60,481 | $13.1M | 0.00% | +60,481 | New |
| Asset Management One Co.,Ltd. | 59,355 | $13.2M | 0.04% | −9,669−14.0% | Reduced |
| Mackenzie Financial Corp | 61,321 | $13.5M | 0.02% | −64,084−51.1% | Reduced |
| HSBC Holdings PLC | 62,732 | $13.7M | 0.01% | −547−0.9% | Reduced |
| Exchange Traded Concepts, LLC | 63,425 | $13.8M | 0.11% | +7,937+14.3% | Added |
| Daiwa Securities Group Inc. | 63,469 | $13.8M | 0.04% | −26,078−29.1% | Reduced |
| Swedbank AB | 64,300 | $14.0M | 0.01% | +3,200+5.2% | Added |
| Moran Wealth Management, LLC | 64,846 | $14.1M | 0.43% | −9,606−12.9% | Reduced |
| Moore Capital Management, LP | 64,954 | $14.1M | 0.29% | −7,439−10.3% | Reduced |
| Raiffeisen Bank International AG | 66,000 | $14.5M | 0.19% | +4,000+6.5% | Added |
| Lazard Asset Management LLC | 67,356 | $14.6M | 0.02% | −92,594−57.9% | Reduced |
| Amundi | 69,934 | $15.2M | 0.00% | −155,260−68.9% | Reduced |
| Envestnet Asset Management Inc | 69,996 | $15.2M | 0.00% | +4,683+7.2% | Added |
| Cushing Asset Management, LP | 70,500 | $15.3M | 0.88% | +23,500+50.0% | Added |
| Ieq Capital, LLC | 71,191 | $15.5M | 0.05% | +2,483+3.6% | Added |
| Quantinno Capital Management LP | 73,194 | $15.9M | 0.03% | +16,026+28.0% | Added |