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 |
|---|---|---|---|---|---|
| SBI Okasan Asset Management Co.Ltd. | 7,400 | $1.65M | 0.09% | +7,400 | New |
| MH & Associates Securities Management Corp | 7,629 | $1.66M | 1.35% | +7,629 | New |
| Commerce Bank | 7,745 | $1.68M | 0.01% | +7,745 | New |
| Integrated Quantitative Investments LLC | 7,752 | $1.69M | 0.36% | +7,752 | New |
| Virginia Retirement Systems Et Al | 7,900 | $1.72M | 0.01% | −13,200−62.6% | Reduced |
| Xponance, Inc. | 7,929 | $1.72M | 0.01% | −1,166−12.8% | Reduced |
| Pallas Capital Advisors LLC | 7,977 | $1.73M | 0.06% | +20+0.3% | Added |
| IMA Wealth, Inc. | 8,089 | $1.76M | 0.17% | −135−1.6% | Reduced |
| First Dallas Securities Inc. | 8,350 | $1.82M | 0.68% | +200+2.5% | Added |
| Hedeker Wealth, LLC | 8,424 | $1.83M | 0.38% | +63+0.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 8,436 | $1.84M | 0.00% | +8,436 | New |
| Castleark Management LLC | 8,470 | $1.84M | 0.05% | +4,930+139.3% | Added |
| Ninepoint Partners LP | 8,500 | $1.85M | 0.22% | +139+1.7% | Added |
| Emerald Advisers, LLC | 8,527 | $1.85M | 0.06% | −304−3.4% | Reduced |
| Brevan Howard Capital Management LP | 8,649 | $1.88M | 0.04% | −3,899−31.1% | Reduced |
| Lansing Street Advisors | 8,761 | $1.90M | 0.49% | 00.0% | Unchanged |
| Atom Investors LP | 8,814 | $1.92M | 0.15% | +8,814 | New |
| Cookson Peirce & Co Inc | 8,884 | $1.93M | 0.08% | +408+4.8% | Added |
| Ci Investments Inc. | 8,900 | $1.94M | 0.01% | +8,581+2,690.0% | Added |
| Captrust Financial Advisors | 8,998 | $1.96M | 0.00% | +135+1.5% | Added |
| Pictet Asset Management Holding SA | 9,477 | $2.06M | 0.00% | +682+7.8% | Added |
| Colony Group, LLC | 9,625 | $2.09M | 0.00% | +1,987+26.0% | Added |
| Calamos Advisors LLC | 9,641 | $2.10M | 0.01% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,709 | $2.11M | 0.00% | +169+1.8% | Added |
| Interval Partners, LP | 9,865 | $2.14M | 0.05% | −45,188−82.1% | Reduced |
| Huntleigh Advisors, Inc. | 9,873 | $2.15M | 0.36% | +245+2.5% | Added |
| Penn Capital Management Co Inc | 10,245 | $2.26M | 0.18% | −2,186−17.6% | Reduced |
| Jackson Creek Investment Advisors LLC | 10,719 | $2.33M | 0.69% | −681−6.0% | Reduced |
| Bridgewater Associates, LP | 10,724 | $2.33M | 0.01% | +10,724 | New |
| Aperture Investors, LLC | 10,978 | $2.39M | 0.33% | +10,978 | New |
| Freemont Management S.A. | 11,000 | $2.39M | 0.47% | +11,000 | New |
| IFP Advisors, Inc | 11,039 | $2.40M | 0.05% | +10,863+6,172.2% | Added |
| Ameritas Investment Partners, Inc. | 11,241 | $2.44M | 0.07% | −251−2.2% | Reduced |
| Teacher Retirement System of Texas | 11,250 | $2.45M | 0.01% | −44,632−79.9% | Reduced |
| Ritholtz Wealth Management | 11,349 | $2.47M | 0.05% | +2,948+35.1% | Added |
| Fidelis Capital Partners, LLC | 11,952 | $2.60M | 0.19% | +3,163+36.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,000 | $2.61M | 0.02% | +3,000+33.3% | Added |
| New Mexico Educational Retirement Board | 12,100 | $2.63M | 0.08% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 12,215 | $2.66M | 0.03% | −100−0.8% | Reduced |
| Dorsey Wright & Associates | 12,238 | $2.66M | 0.57% | −139−1.1% | Reduced |
| Creative Planning | 12,267 | $2.67M | 0.00% | +1,388+12.8% | Added |
| Union Bancaire Privee, UBP SA | 14,046 | $2.74M | 0.05% | +9,238+192.1% | Added |
| Sycomore Asset Management | 22,437 | $2.75M | 0.46% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 12,700 | $2.76M | 0.08% | −5,000−28.2% | Reduced |
| Bank of Montreal | 13,393 | $2.91M | 0.00% | −105−0.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 13,468 | $2.93M | 0.01% | +732+5.7% | Added |
| Sanctuary Advisors, LLC | 13,527 | $2.94M | 0.02% | +11,127+463.6% | Added |
| Northwestern Mutual Investment Management Company, LLC | 13,723 | $2.98M | 0.03% | +58+0.4% | Added |
| KLP Kapitalforvaltning AS | 13,800 | $3.00M | 0.01% | +600+4.5% | Added |
| Voloridge Investment Management, LLC | 13,843 | $3.01M | 0.01% | −16,190−53.9% | Reduced |
| Credit Agricole S A | 13,846 | $3.01M | 0.01% | 00.0% | Unchanged |
| Shelton Capital Management | 14,474 | $3.15M | 0.06% | −731−4.8% | Reduced |
| Mariner Investment Group LLC | 14,500 | $3.15M | 0.18% | +12,900+806.3% | Added |
| State of Michigan Retirement System | 14,539 | $3.16M | 0.02% | −100−0.7% | Reduced |
| Farrow Financial Inc. | 14,562 | $3.17M | 1.82% | −3,352−18.7% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 14,700 | $3.20M | 0.04% | +5,436+58.7% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 14,704 | $3.20M | 0.04% | +14,704 | New |
| Bridgeway Capital Management, LLC | 14,720 | $3.20M | 0.07% | −100−0.7% | Reduced |
| Natixis Advisors, L.P. | 14,837 | $3.23M | 0.00% | −2,946−16.6% | Reduced |
| New Age Alpha Advisors, LLC | 14,837 | $3.23M | 0.14% | +14,837 | New |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 14,931 | $3.25M | 0.72% | +13,340+838.5% | Added |
| Lisanti Capital Growth, LLC | 14,998 | $3.26M | 0.77% | −12,280−45.0% | Reduced |
| Ardsley Advisory Partners LP | 15,000 | $3.26M | 0.42% | −5,000−25.0% | Reduced |
| Arosa Capital Management LP | 15,000 | $3.26M | 2.09% | +8,000+114.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,349 | $3.34M | 0.02% | −385−2.4% | Reduced |
| Bank of Nova Scotia | 15,518 | $3.37M | 0.01% | +297+2.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 15,655 | $3.40M | 0.01% | +15,655 | New |
| HITE Hedge Asset Management LLC | 15,864 | $3.45M | 0.22% | +15,864 | New |
| NorthCrest Asset Manangement, LLC | 14,882 | $3.46M | 0.08% | +54+0.4% | Added |
| Oliver Luxxe Assets LLC | 16,425 | $3.57M | 0.54% | +584+3.7% | Added |
| Thrivent Financial for Lutherans | 16,482 | $3.59M | 0.01% | −111−0.7% | Reduced |
| Caisse de Depot Et Placement du Quebec | 16,500 | $3.59M | 0.01% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 16,647 | $3.62M | 0.02% | +12,971+352.9% | Added |
| Louisiana State Employees Retirement System | 17,000 | $3.70M | 0.06% | −100−0.6% | Reduced |
| Prevail Innovative Wealth Advisors, LLC | 17,590 | $3.82M | 0.69% | −2,377−11.9% | Reduced |
| Arizona State Retirement System | 17,594 | $3.82M | 0.02% | −1,084−5.8% | Reduced |
| Mercer Global Advisors Inc | 17,754 | $3.86M | 0.01% | −30−0.2% | Reduced |
| Handelsbanken Fonder AB | 17,900 | $3.89M | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 18,035 | $3.93M | 0.00% | +1,488+9.0% | Added |
| SRS Capital Advisors, Inc. | 18,189 | $3.95M | 0.12% | −53,584−74.7% | Reduced |
| Cetera Investment Advisers | 18,290 | $3.98M | 0.00% | +192+1.1% | Added |
| Teachers Retirement System of the State of Kentucky | 18,662 | $4.06M | 0.03% | 00.0% | Unchanged |
| Citigroup Inc | 18,693 | $4.06M | 0.00% | −3,469−15.7% | Reduced |
| Prudential Financial Inc | 18,761 | $4.08M | 0.00% | −3,733−16.6% | Reduced |
| Aventail Capital Group, LP | 18,838 | $4.09M | 0.24% | −85,893−82.0% | Reduced |
| Gs Investments, Inc. | 19,028 | $4.14M | 2.25% | −2,028−9.6% | Reduced |
| Advisor Group Holdings, Inc. | 19,108 | $4.15M | 0.01% | −10,086−34.5% | Reduced |
| TCW Group Inc | 19,295 | $4.19M | 0.03% | +394+2.1% | Added |
| Symmetry Investments LP | 19,463 | $4.23M | 0.79% | +19,463 | New |
| Bouvel Investment Partners, LLC | 19,555 | $4.25M | 1.23% | −95−0.5% | Reduced |
| Sheets Smith Wealth Management | 19,748 | $4.29M | 0.47% | −122−0.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 19,797 | $4.30M | 0.01% | +581+3.0% | Added |
| Paradigm Financial Partners, LLC | 19,825 | $4.31M | 0.43% | 00.0% | Unchanged |
| Bokf, NA | 20,030 | $4.35M | 0.07% | +20,030 | New |
| State of New Jersey Common Pension Fund D | 20,586 | $4.47M | 0.02% | 00.0% | Unchanged |
| Partners Capital Investment Group, LLP | 20,623 | $4.48M | 0.17% | +20,623 | New |
| Illinois Municipal Retirement Fund | 20,641 | $4.49M | 0.06% | −4,157−16.8% | Reduced |
| First National Bank of Omaha | 20,648 | $4.49M | 0.13% | −4,932−19.3% | Reduced |
| Man Group plc | 20,654 | $4.49M | 0.01% | −5,787−21.9% | Reduced |
| American Century Companies Inc | 20,860 | $4.53M | 0.00% | −14,830−41.6% | Reduced |