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 |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 67,356 | $14.6M | 0.02% | −92,594−57.9% | Reduced |
| Raiffeisen Bank International AG | 66,000 | $14.5M | 0.19% | +4,000+6.5% | Added |
| Moore Capital Management, LP | 64,954 | $14.1M | 0.29% | −7,439−10.3% | Reduced |
| Moran Wealth Management, LLC | 64,846 | $14.1M | 0.43% | −9,606−12.9% | Reduced |
| Swedbank AB | 64,300 | $14.0M | 0.01% | +3,200+5.2% | Added |
| Daiwa Securities Group Inc. | 63,469 | $13.8M | 0.04% | −26,078−29.1% | Reduced |
| Exchange Traded Concepts, LLC | 63,425 | $13.8M | 0.11% | +7,937+14.3% | Added |
| HSBC Holdings PLC | 62,732 | $13.7M | 0.01% | −547−0.9% | Reduced |
| Mackenzie Financial Corp | 61,321 | $13.5M | 0.02% | −64,084−51.1% | Reduced |
| Asset Management One Co.,Ltd. | 59,355 | $13.2M | 0.04% | −9,669−14.0% | Reduced |
| Norges Bank | 60,481 | $13.1M | 0.00% | +60,481 | New |
| California State Teachers Retirement System | 59,817 | $13.0M | 0.01% | +221+0.4% | Added |
| Banco Santander, S.A. | 57,877 | $12.6M | 0.09% | 00.0% | Unchanged |
| LMR Partners LLP | 57,349 | $12.5M | 0.12% | +51,384+861.4% | Added |
| Scopus Asset Management, L.P. | 57,001 | $12.4M | 0.35% | +22,809+66.7% | Added |
| Atika Capital Management LLC | 55,998 | $12.2M | 1.69% | +16,498+41.8% | Added |
| SummitTX Capital, L.P. | 55,640 | $12.1M | 0.37% | +32,967+145.4% | Added |
| Price T Rowe Associates Inc | 54,783 | $11.9M | 0.00% | +3,635+7.1% | Added |
| Candriam Luxembourg S.C.A. | 54,398 | $11.8M | 0.06% | −14,909−21.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 51,875 | $11.8M | 0.02% | −13,152−20.2% | Reduced |
| Agf Management Ltd | 53,236 | $11.6M | 0.05% | −1,610−2.9% | Reduced |
| Great Lakes Advisors, LLC | 53,107 | $11.5M | 0.09% | −14,962−22.0% | Reduced |
| Sterling Capital Management LLC | 52,280 | $11.4M | 0.18% | −13,340−20.3% | Reduced |
| State of Wisconsin Investment Board | 51,657 | $11.2M | 0.03% | −30,279−37.0% | Reduced |
| Bruni J V & Co | 51,464 | $11.2M | 1.10% | −1,125−2.1% | Reduced |
| Capital Fund Management S.A. | 50,849 | $11.1M | 0.10% | +204+0.4% | Added |
| State Board of Administration of Florida Retirement System | 50,138 | $10.9M | 0.02% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 47,124 | $10.2M | 0.27% | +35,840+317.6% | Added |
| Public Employees Retirement System of Ohio | 46,954 | $10.2M | 0.03% | −1,290−2.7% | Reduced |
| Verition Fund Management LLC | 46,240 | $10.1M | 0.05% | −24,284−34.4% | Reduced |
| Cerity Partners LLC | 46,015 | $10.0M | 0.01% | +747+1.7% | Added |
| Storebrand Asset Management AS | 45,847 | $9.97M | 0.03% | −14,026−23.4% | Reduced |
| Jefferies Financial Group Inc. | 45,047 | $9.79M | 0.08% | +22,717+101.7% | Added |
| Intrinsic Edge Capital Management LLC | 44,257 | $9.62M | 1.87% | 00.0% | Unchanged |
| Stephens Inc | 43,793 | $9.52M | 0.12% | +18,719+74.7% | Added |
| Advisors Asset Management, Inc. | 42,250 | $9.18M | 0.15% | −352−0.8% | Reduced |
| Toroso Investments, LLC | 41,883 | $9.10M | 0.04% | +33,397+393.6% | Added |
| First Washington CORP | 41,774 | $9.08M | 2.35% | −391−0.9% | Reduced |
| MML Investors Services, LLC | 40,984 | $8.91M | 0.02% | +2,544+6.6% | Added |
| Alyeska Investment Group, L.P. | 40,900 | $8.89M | 0.03% | +35,081+602.9% | Added |
| J. Safra Sarasin Holding AG | 40,545 | $8.81M | 0.14% | 00.0% | Unchanged |
| Zweig-DiMenna Associates LLC | 40,000 | $8.69M | 0.62% | +40,000 | New |
| Two Sigma Advisers, LP | 39,500 | $8.59M | 0.02% | +17,800+82.0% | Added |
| Wedge Capital Management L L P | 38,155 | $8.29M | 0.15% | −4,748−11.1% | Reduced |
| Van Eck Associates Corp | 37,780 | $8.21M | 0.01% | −16,270−30.1% | Reduced |
| Intech Investment Management LLC | 36,520 | $7.94M | 0.07% | +12,386+51.3% | Added |
| Zacks Investment Management | 36,182 | $7.86M | 0.06% | +43+0.1% | Added |
| CIBC World Markets Inc. | 36,051 | $7.84M | 0.01% | +25,288+235.0% | Added |
| Great West Life Assurance Co | 35,493 | $7.72M | 0.01% | +464+1.3% | Added |
| Cohen & Steers, Inc. | 35,040 | $7.62M | 0.01% | +26,161+294.6% | Added |
| Marco Investment Management LLC | 34,625 | $7.53M | 0.57% | +3,020+9.6% | Added |
| Erste Asset Management GmbH | 33,030 | $7.36M | 0.06% | +2,285+7.4% | Added |
| Dana Investment Advisors, Inc. | 32,166 | $6.99M | 0.20% | +624+2.0% | Added |
| HRT Financial LP | 30,946 | $6.73M | 0.02% | +30,946 | New |
| New York State Common Retirement Fund | 30,929 | $6.72M | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 30,616 | $6.66M | 0.03% | −1,530−4.8% | Reduced |
| CWM, LLC | 30,605 | $6.65M | 0.02% | +561+1.9% | Added |
| New York State Teachers Retirement System | 30,343 | $6.60M | 0.01% | −100−0.3% | Reduced |
| Pinebridge Investments LLC | 30,184 | $6.56M | 0.05% | +30,184 | New |
| Chase Investment Counsel Corp | 29,778 | $6.47M | 1.81% | +1,113+3.9% | Added |
| SG Americas Securities, LLC | 29,769 | $6.47M | 0.01% | +24,144+429.2% | Added |
| State of Tennessee, Treasury Department | 26,474 | $6.37M | 0.02% | −1,133−4.1% | Reduced |
| PEAK6 LLC | 29,217 | $6.35M | 0.17% | +27,983+2,267.7% | Added |
| Edgestream Partners, L.P. | 29,052 | $6.32M | 0.18% | +26,068+873.6% | Added |
| Amalgamated Bank | 28,590 | $6.21M | 0.04% | −192−0.7% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 28,334 | $6.16M | 0.31% | −21,261−42.9% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 28,300 | $6.15M | 0.05% | +2,654+10.3% | Added |
| Comerica Bank | 28,218 | $6.13M | 0.02% | −2,304−7.5% | Reduced |
| Kennedy Capital Management, Inc. | 28,023 | $6.09M | 0.13% | +147+0.5% | Added |
| Kingswood Wealth Advisors, LLC | 27,970 | $6.08M | 0.29% | +486+1.8% | Added |
| Janus Henderson Group PLC | 27,855 | $6.06M | 0.00% | −32−0.1% | Reduced |
| Danske Bank A/S | 27,763 | $6.03M | 0.01% | −41−0.1% | Reduced |
| Janney Montgomery Scott LLC | 26,942 | $5.86M | 0.01% | +16,069+147.8% | Added |
| Riposte Capital LLC | 26,859 | $5.84M | 2.43% | +26,859 | New |
| Commonwealth Equity Services, LLC | 26,388 | $5.74M | 0.01% | −12,586−32.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 26,348 | $5.73M | 0.05% | −1,219−4.4% | Reduced |
| Pinnbrook Capital Management LP | 26,185 | $5.69M | 1.47% | −14,425−35.5% | Reduced |
| Hodges Capital Management Inc. | 26,076 | $5.67M | 0.49% | −2,673−9.3% | Reduced |
| Treasurer of the State of North Carolina | 26,063 | $5.67M | 0.02% | −1,897−6.8% | Reduced |
| PDT Partners, LLC | 25,533 | $5.55M | 0.36% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 25,527 | $5.55M | 0.06% | −2,787−9.8% | Reduced |
| Scotia Capital Inc. | 24,605 | $5.35M | 0.02% | −444−1.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 24,250 | $5.27M | 0.01% | +13+0.1% | Added |
| Hel Ved Capital Management Ltd | 24,225 | $5.27M | 1.82% | +24,225 | New |
| Wealth Enhancement Advisory Services, LLC | 21,119 | $5.05M | 0.01% | +957+4.7% | Added |
| Stifel Financial Corp | 22,961 | $4.99M | 0.00% | −460−2.0% | Reduced |
| Voleon Capital Management LP | 22,526 | $4.90M | 0.11% | +4,285+23.5% | Added |
| First National Advisers, LLC | 22,139 | $4.81M | 0.66% | −5,300−19.3% | Reduced |
| Campbell Newman Asset Management Inc | 22,123 | $4.81M | 0.35% | −2,131−8.8% | Reduced |
| Pathstone Holdings, LLC | 21,865 | $4.75M | 0.02% | −1,343−5.8% | Reduced |
| Yousif Capital Management, LLC | 19,731 | $4.74M | 0.05% | −380−1.9% | Reduced |
| US Bancorp | 21,418 | $4.66M | 0.01% | −445−2.0% | Reduced |
| Citadel Advisors LLC | 21,267 | $4.62M | 0.00% | −40,717−65.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 21,179 | $4.60M | 0.03% | −7,735−26.8% | Reduced |
| Gables Capital Management Inc. | 21,054 | $4.58M | 1.93% | +4,900+30.3% | Added |
| American Century Companies Inc | 20,860 | $4.53M | 0.00% | −14,830−41.6% | Reduced |
| Man Group plc | 20,654 | $4.49M | 0.01% | −5,787−21.9% | Reduced |
| First National Bank of Omaha | 20,648 | $4.49M | 0.13% | −4,932−19.3% | Reduced |
| Illinois Municipal Retirement Fund | 20,641 | $4.49M | 0.06% | −4,157−16.8% | Reduced |
| Partners Capital Investment Group, LLP | 20,623 | $4.48M | 0.17% | +20,623 | New |