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 |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 20,586 | $4.47M | 0.02% | 00.0% | Unchanged |
| Bokf, NA | 20,030 | $4.35M | 0.07% | +20,030 | New |
| Paradigm Financial Partners, LLC | 19,825 | $4.31M | 0.43% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 19,797 | $4.30M | 0.01% | +581+3.0% | Added |
| Sheets Smith Wealth Management | 19,748 | $4.29M | 0.47% | −122−0.6% | Reduced |
| Bouvel Investment Partners, LLC | 19,555 | $4.25M | 1.23% | −95−0.5% | Reduced |
| Symmetry Investments LP | 19,463 | $4.23M | 0.79% | +19,463 | New |
| TCW Group Inc | 19,295 | $4.19M | 0.03% | +394+2.1% | Added |
| Advisor Group Holdings, Inc. | 19,108 | $4.15M | 0.01% | −10,086−34.5% | Reduced |
| Gs Investments, Inc. | 19,028 | $4.14M | 2.25% | −2,028−9.6% | Reduced |
| Aventail Capital Group, LP | 18,838 | $4.09M | 0.24% | −85,893−82.0% | Reduced |
| Prudential Financial Inc | 18,761 | $4.08M | 0.00% | −3,733−16.6% | Reduced |
| Citigroup Inc | 18,693 | $4.06M | 0.00% | −3,469−15.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,662 | $4.06M | 0.03% | 00.0% | Unchanged |
| Cetera Investment Advisers | 18,290 | $3.98M | 0.00% | +192+1.1% | Added |
| SRS Capital Advisors, Inc. | 18,189 | $3.95M | 0.12% | −53,584−74.7% | Reduced |
| Mariner, LLC | 18,035 | $3.93M | 0.00% | +1,488+9.0% | Added |
| Handelsbanken Fonder AB | 17,900 | $3.89M | 0.01% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 17,754 | $3.86M | 0.01% | −30−0.2% | Reduced |
| Arizona State Retirement System | 17,594 | $3.82M | 0.02% | −1,084−5.8% | Reduced |
| Prevail Innovative Wealth Advisors, LLC | 17,590 | $3.82M | 0.69% | −2,377−11.9% | Reduced |
| Louisiana State Employees Retirement System | 17,000 | $3.70M | 0.06% | −100−0.6% | Reduced |
| Sequoia Financial Advisors, LLC | 16,647 | $3.62M | 0.02% | +12,971+352.9% | Added |
| Caisse de Depot Et Placement du Quebec | 16,500 | $3.59M | 0.01% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 16,482 | $3.59M | 0.01% | −111−0.7% | Reduced |
| Oliver Luxxe Assets LLC | 16,425 | $3.57M | 0.54% | +584+3.7% | Added |
| NorthCrest Asset Manangement, LLC | 14,882 | $3.46M | 0.08% | +54+0.4% | Added |
| HITE Hedge Asset Management LLC | 15,864 | $3.45M | 0.22% | +15,864 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 15,655 | $3.40M | 0.01% | +15,655 | New |
| Bank of Nova Scotia | 15,518 | $3.37M | 0.01% | +297+2.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,349 | $3.34M | 0.02% | −385−2.4% | 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 |
| Lisanti Capital Growth, LLC | 14,998 | $3.26M | 0.77% | −12,280−45.0% | Reduced |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 14,931 | $3.25M | 0.72% | +13,340+838.5% | Added |
| New Age Alpha Advisors, LLC | 14,837 | $3.23M | 0.14% | +14,837 | New |
| Natixis Advisors, L.P. | 14,837 | $3.23M | 0.00% | −2,946−16.6% | Reduced |
| Bridgeway Capital Management, LLC | 14,720 | $3.20M | 0.07% | −100−0.7% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 14,704 | $3.20M | 0.04% | +14,704 | New |
| Tortoise Capital Advisors, L.L.C. | 14,700 | $3.20M | 0.04% | +5,436+58.7% | Added |
| Farrow Financial Inc. | 14,562 | $3.17M | 1.82% | −3,352−18.7% | Reduced |
| State of Michigan Retirement System | 14,539 | $3.16M | 0.02% | −100−0.7% | Reduced |
| Mariner Investment Group LLC | 14,500 | $3.15M | 0.18% | +12,900+806.3% | Added |
| Shelton Capital Management | 14,474 | $3.15M | 0.06% | −731−4.8% | Reduced |
| Credit Agricole S A | 13,846 | $3.01M | 0.01% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 13,843 | $3.01M | 0.01% | −16,190−53.9% | Reduced |
| KLP Kapitalforvaltning AS | 13,800 | $3.00M | 0.01% | +600+4.5% | Added |
| Northwestern Mutual Investment Management Company, LLC | 13,723 | $2.98M | 0.03% | +58+0.4% | Added |
| Sanctuary Advisors, LLC | 13,527 | $2.94M | 0.02% | +11,127+463.6% | Added |
| Federation des caisses Desjardins du Quebec | 13,468 | $2.93M | 0.01% | +732+5.7% | Added |
| Bank of Montreal | 13,393 | $2.91M | 0.00% | −105−0.8% | Reduced |
| Hillsdale Investment Management Inc. | 12,700 | $2.76M | 0.08% | −5,000−28.2% | Reduced |
| Sycomore Asset Management | 22,437 | $2.75M | 0.46% | 00.0% | Unchanged |
| Union Bancaire Privee, UBP SA | 14,046 | $2.74M | 0.05% | +9,238+192.1% | Added |
| Creative Planning | 12,267 | $2.67M | 0.00% | +1,388+12.8% | Added |
| Dorsey Wright & Associates | 12,238 | $2.66M | 0.57% | −139−1.1% | Reduced |
| Oregon Public Employees Retirement Fund | 12,215 | $2.66M | 0.03% | −100−0.8% | Reduced |
| New Mexico Educational Retirement Board | 12,100 | $2.63M | 0.08% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,000 | $2.61M | 0.02% | +3,000+33.3% | Added |
| Fidelis Capital Partners, LLC | 11,952 | $2.60M | 0.19% | +3,163+36.0% | Added |
| Ritholtz Wealth Management | 11,349 | $2.47M | 0.05% | +2,948+35.1% | Added |
| Teacher Retirement System of Texas | 11,250 | $2.45M | 0.01% | −44,632−79.9% | Reduced |
| Ameritas Investment Partners, Inc. | 11,241 | $2.44M | 0.07% | −251−2.2% | Reduced |
| IFP Advisors, Inc | 11,039 | $2.40M | 0.05% | +10,863+6,172.2% | Added |
| Freemont Management S.A. | 11,000 | $2.39M | 0.47% | +11,000 | New |
| Aperture Investors, LLC | 10,978 | $2.39M | 0.33% | +10,978 | New |
| Bridgewater Associates, LP | 10,724 | $2.33M | 0.01% | +10,724 | New |
| Jackson Creek Investment Advisors LLC | 10,719 | $2.33M | 0.69% | −681−6.0% | Reduced |
| Penn Capital Management Co Inc | 10,245 | $2.26M | 0.18% | −2,186−17.6% | Reduced |
| Huntleigh Advisors, Inc. | 9,873 | $2.15M | 0.36% | +245+2.5% | Added |
| Interval Partners, LP | 9,865 | $2.14M | 0.05% | −45,188−82.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,709 | $2.11M | 0.00% | +169+1.8% | Added |
| Calamos Advisors LLC | 9,641 | $2.10M | 0.01% | 00.0% | Unchanged |
| Colony Group, LLC | 9,625 | $2.09M | 0.00% | +1,987+26.0% | Added |
| Pictet Asset Management Holding SA | 9,477 | $2.06M | 0.00% | +682+7.8% | Added |
| Captrust Financial Advisors | 8,998 | $1.96M | 0.00% | +135+1.5% | Added |
| Ci Investments Inc. | 8,900 | $1.94M | 0.01% | +8,581+2,690.0% | Added |
| Cookson Peirce & Co Inc | 8,884 | $1.93M | 0.08% | +408+4.8% | Added |
| Atom Investors LP | 8,814 | $1.92M | 0.15% | +8,814 | New |
| Lansing Street Advisors | 8,761 | $1.90M | 0.49% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 8,649 | $1.88M | 0.04% | −3,899−31.1% | Reduced |
| Emerald Advisers, LLC | 8,527 | $1.85M | 0.06% | −304−3.4% | Reduced |
| Ninepoint Partners LP | 8,500 | $1.85M | 0.22% | +139+1.7% | Added |
| Castleark Management LLC | 8,470 | $1.84M | 0.05% | +4,930+139.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 8,436 | $1.84M | 0.00% | +8,436 | New |
| Hedeker Wealth, LLC | 8,424 | $1.83M | 0.38% | +63+0.8% | Added |
| First Dallas Securities Inc. | 8,350 | $1.82M | 0.68% | +200+2.5% | Added |
| IMA Wealth, Inc. | 8,089 | $1.76M | 0.17% | −135−1.6% | Reduced |
| Pallas Capital Advisors LLC | 7,977 | $1.73M | 0.06% | +20+0.3% | Added |
| Xponance, Inc. | 7,929 | $1.72M | 0.01% | −1,166−12.8% | Reduced |
| Virginia Retirement Systems Et Al | 7,900 | $1.72M | 0.01% | −13,200−62.6% | Reduced |
| Integrated Quantitative Investments LLC | 7,752 | $1.69M | 0.36% | +7,752 | New |
| Commerce Bank | 7,745 | $1.68M | 0.01% | +7,745 | New |
| MH & Associates Securities Management Corp | 7,629 | $1.66M | 1.35% | +7,629 | New |
| SBI Okasan Asset Management Co.Ltd. | 7,400 | $1.65M | 0.09% | +7,400 | New |
| Perbak Capital Partners LLP | 7,395 | $1.61M | 0.49% | +7,395 | New |
| Franklin Resources Inc | 7,345 | $1.60M | 0.00% | −1,500−17.0% | Reduced |
| Pacer Advisors, Inc. | 7,334 | $1.59M | 0.00% | −746−9.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 7,278 | $1.58M | 0.01% | −34−0.5% | Reduced |
| Leavell Investment Management, Inc. | 7,250 | $1.58M | 0.07% | −1,550−17.6% | Reduced |