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, Q2 2026
Institutional positions in Mastec Inc as of Jun 30, 2026. 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
- 911
- +110 vs. Q1 2026
- Shares held
- 59.4M
- +1.49M (+2.6%) vs. Q1 2026
- Total value
- $24.7B
- +$6.10B (+32.8%) vs. Q1 2026
- New holders
- 185
- 326 more added
- Sold out
- 75
- 295 more reduced
10 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Salem Investment Counselors Inc | 3,998 | $1.66M | 0.04% | −95−2.3% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 4,000 | $1.66M | 0.07% | −15,448−79.4% | Reduced |
| Ninepoint Partners LP | 4,037 | $1.68M | 0.15% | −5,297−56.7% | Reduced |
| Blue Line Capital, LLC | 4,052 | $1.69M | 1.46% | −1,774−30.4% | Reduced |
| Macquarie Group Ltd | 4,130 | $1.72M | 0.01% | +4,130 | New |
| Polymer Capital Management (US) LLC | 4,168 | $1.73M | 0.26% | +3,943+1,752.4% | Added |
| Entropy Technologies, LP | 4,230 | $1.76M | 0.07% | +4,230 | New |
| Retireful, LLC | 4,276 | $1.78M | 1.66% | +1,449+51.3% | Added |
| Saudi Central Bank | 4,276 | $1.78M | 0.02% | +4,276 | New |
| Penn Capital Management Co Inc | 4,321 | $1.82M | 0.12% | −2,268−34.4% | Reduced |
| Kestra Private Wealth Services, LLC | 4,382 | $1.82M | 0.02% | +667+18.0% | Added |
| PW Nova Financial Services LLC | 4,431 | $1.84M | 0.40% | +20.0% | Added |
| SBI Okasan Asset Management Co.Ltd. | 4,300 | $1.85M | 0.06% | −3,100−41.9% | Reduced |
| Harvest Fund Management Co., Ltd | 4,451 | $1.85M | 0.06% | 00.0% | Unchanged |
| Jane Street Group, LLC | 4,464 | $1.86M | 0.00% | −89,492−95.2% | Reduced |
| Crossmark Global Holdings, Inc. | 4,548 | $1.89M | 0.02% | +34+0.8% | Added |
| Gulf International Bank (UK) Ltd | 4,666 | $1.94M | 0.04% | +4,666 | New |
| CAPROCK Group, Inc. | 4,688 | $1.95M | 0.04% | −898−16.1% | Reduced |
| Genus Capital Management Inc. | 4,735 | $1.97M | 0.19% | +4,735 | New |
| TFR Capital, LLC. | 4,753 | $1.98M | 0.56% | +4,753 | New |
| Daymark Wealth Partners, LLC | 4,797 | $2.00M | 0.05% | +6+0.1% | Added |
| Abn Amro Investment Solutions | 4,904 | $2.04M | 0.02% | +4,904 | New |
| Truist Financial Corp | 4,980 | $2.07M | 0.00% | +1,028+26.0% | Added |
| Florida Financial Advisors, LLC | 5,033 | $2.09M | 0.35% | +5,033 | New |
| Harold Davidson & Associates Inc. | 5,129 | $2.13M | 0.93% | +5,129 | New |
| HighVista Strategies LLC | 5,137 | $2.14M | 0.49% | +1,510+41.6% | Added |
| The PNC Financial Services Group, Inc. | 5,176 | $2.15M | 0.00% | −1,010−16.3% | Reduced |
| Gallo Partners, LP | 5,184 | $2.16M | 4.78% | −4,288−45.3% | Reduced |
| Public Employees Retirement Association of Colorado | 5,295 | $2.20M | 0.01% | 00.0% | Unchanged |
| First Dallas Securities Inc. | 5,310 | $2.21M | 0.73% | −2,190−29.2% | Reduced |
| M&T Bank Corp | 5,366 | $2.23M | 0.01% | +102+1.9% | Added |
| Highland Capital Management, LLC | 5,393 | $2.24M | 0.10% | −1,059−16.4% | Reduced |
| Brighton Jones LLC | 5,397 | $2.25M | 0.04% | −206−3.7% | Reduced |
| D.A. Davidson & Co. | 5,398 | $2.25M | 0.01% | −206−3.7% | Reduced |
| Concurrent Investment Advisors, LLC | 5,419 | $2.25M | 0.02% | +98+1.8% | Added |
| Alps Advisors Inc | 5,430 | $2.26M | 0.01% | +903+19.9% | Added |
| Venture Visionary Partners LLC | 5,441 | $2.26M | 0.06% | +255+4.9% | Added |
| Fideuram Asset Management (Ireland) dac | 5,968 | $2.29M | 0.04% | +5,968 | New |
| Teacher Retirement System of Texas | 5,521 | $2.30M | 0.01% | −13,823−71.5% | Reduced |
| Win Advisors, Inc | 5,525 | $2.30M | 0.82% | +1,744+46.1% | Added |
| Quadrant Capital Group LLC | 5,528 | $2.30M | 0.06% | −14−0.3% | Reduced |
| KRS Capital Management, LLC | 5,544 | $2.31M | 1.07% | +99+1.8% | Added |
| Merit Financial Group, LLC | 5,584 | $2.32M | 0.01% | −144−2.5% | Reduced |
| Private Advisor Group, LLC | 5,629 | $2.34M | 0.01% | +72+1.3% | Added |
| Gateway Investment Advisers LLC | 5,824 | $2.42M | 0.02% | +4,242+268.1% | Added |
| Atria Investments LLC | 5,826 | $2.42M | 0.02% | −231−3.8% | Reduced |
| Boothbay Fund Management, LLC | 5,897 | $2.45M | 0.05% | −10,012−62.9% | Reduced |
| Fulcrum Asset Management LLP | 5,800 | $2.49M | 0.25% | +5,800 | New |
| Tower Research Capital LLC (TRC) | 6,018 | $2.50M | 0.06% | +3,598+148.7% | Added |
| Park Avenue Securities LLC | 6,031 | $2.51M | 0.02% | +1,838+43.8% | Added |
| State of Alaska, Department of Revenue | 6,038 | $2.51M | 0.02% | −200−3.2% | Reduced |
| Jump Financial, LLC | 6,052 | $2.52M | 0.02% | +322+5.6% | Added |
| Little House Capital LLC | 6,065 | $2.52M | 0.57% | −550−8.3% | Reduced |
| Ameritas Advisory Services, LLC | 6,118 | $2.55M | 0.05% | +3,235+112.2% | Added |
| Integrated Wealth Concepts LLC | 6,148 | $2.56M | 0.02% | +28+0.5% | Added |
| South Dakota Investment Council | 6,173 | $2.57M | 0.04% | +6,173 | New |
| Fred Alger Management, LLC | 6,198 | $2.58M | 0.01% | +6,198 | New |
| Engineers Gate Manager LP | 6,240 | $2.60M | 0.03% | −4,276−40.7% | Reduced |
| Meitav Dash Investments Ltd | 6,180 | $2.61M | 0.02% | +6,180 | New |
| Ethic Inc. | 6,271 | $2.61M | 0.03% | +557+9.7% | Added |
| FIL Ltd | 6,339 | $2.64M | 0.00% | +3,883+158.1% | Added |
| Voleon Capital Management LP | 6,391 | $2.66M | 0.05% | −12,537−66.2% | Reduced |
| Sanctuary Advisors, LLC | 6,465 | $2.69M | 0.01% | −422−6.1% | Reduced |
| Gs Investments, Inc. | 6,497 | $2.70M | 1.95% | −923−12.4% | Reduced |
| Pinnacle Associates Ltd | 6,583 | $2.74M | 0.03% | +1,225+22.9% | Added |
| Bridgeway Capital Management, LLC | 6,640 | $2.76M | 0.05% | +6,640 | New |
| Chung Wu Investment Group, LLC | 6,765 | $2.81M | 1.85% | +30+0.4% | Added |
| JustInvest LLC | 6,923 | $2.88M | 0.02% | +42+0.6% | Added |
| Commerce Bank | 6,930 | $2.88M | 0.01% | −119−1.7% | Reduced |
| Bridgewater Associates, LP | 6,969 | $2.90M | 0.01% | −33,169−82.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,995 | $2.91M | 0.02% | +6,995 | New |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,000 | $2.91M | 0.11% | 00.0% | Unchanged |
| Blackstone Group Inc. | 7,061 | $2.94M | 0.01% | +7,061 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 7,100 | $2.96M | 0.01% | −396−5.3% | Reduced |
| Allstate Corp | 7,164 | $2.98M | 0.03% | +118+1.7% | Added |
| Swiss Life Asset Management Ltd | 7,203 | $3.00M | 0.01% | +2,160+42.8% | Added |
| Neuberger Berman Group LLC | 7,210 | $3.00M | 0.00% | +78+1.1% | Added |
| Lansing Street Advisors | 7,347 | $3.06M | 0.65% | −1,414−16.1% | Reduced |
| Graham Capital Management, L.P. | 7,423 | $3.09M | 0.08% | +7,423 | New |
| IMA Wealth, Inc. | 7,502 | $3.12M | 0.20% | −483−6.0% | Reduced |
| Pallas Capital Advisors LLC | 7,511 | $3.13M | 0.10% | +10+0.1% | Added |
| Man Group plc | 7,544 | $3.14M | 0.01% | −1,831−19.5% | Reduced |
| Standard Life Aberdeen plc | 7,576 | $3.15M | 0.00% | +7,576 | New |
| MH & Associates Securities Management Corp | 7,601 | $3.16M | 2.84% | −30−0.4% | Reduced |
| Tribune Investment Group LP | 7,640 | $3.18M | 2.15% | −21,360−73.7% | Reduced |
| Worldquant Millennium Advisors LLC | 7,841 | $3.26M | 0.01% | +7,841 | New |
| Summit Trail Advisors, LLC | 7,953 | $3.31M | 0.04% | +1,858+30.5% | Added |
| Longaeva Partners L.P. | 7,968 | $3.32M | 0.10% | −5,046−38.8% | Reduced |
| Emerald Advisers, LLC | 7,983 | $3.32M | 0.08% | −544−6.4% | Reduced |
| Mariner Investment Group LLC | 8,000 | $3.33M | 0.78% | +2,000+33.3% | Added |
| Ensign Peak Advisors, Inc | 8,033 | $3.34M | 0.01% | +4,800+148.5% | Added |
| ASR Vermogensbeheer N.V. | 8,068 | $3.36M | 0.03% | +8,068 | New |
| Quantbot Technologies LP | 8,217 | $3.42M | 0.13% | +4,264+107.9% | Added |
| Nissay Asset Management Corp | 8,252 | $3.43M | 0.01% | +8,252 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 8,275 | $3.44M | 0.05% | +4,344+110.5% | Added |
| Toronto Dominion Bank | 8,283 | $3.45M | 0.01% | −71,742−89.6% | Reduced |
| HighTower Advisors, LLC | 8,362 | $3.48M | 0.00% | −982−10.5% | Reduced |
| Chicago Capital, LLC | 8,477 | $3.53M | 0.08% | +1,049+14.1% | Added |
| Calamos Advisors LLC | 8,482 | $3.53M | 0.01% | −5,045−37.3% | Reduced |
| Hedeker Wealth, LLC | 8,523 | $3.55M | 0.68% | −123−1.4% | Reduced |