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 |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 9,027 | $3.76M | 0.07% | −811−8.2% | Reduced |
| Captrust Financial Advisors | 9,026 | $3.76M | 0.01% | +75+0.8% | Added |
| Donoghue Forlines LLC | 8,986 | $3.74M | 0.97% | +8,986 | New |
| Eurizon Capital SGR S.p.A. | 8,892 | $3.71M | 0.01% | +6,504+272.4% | Added |
| GWM Advisors LLC | 8,841 | $3.68M | 0.01% | +5,409+157.6% | Added |
| Flputnam Investment Management Co | 8,824 | $3.67M | 0.04% | +8,824 | New |
| B. Metzler seel. Sohn & Co. AG | 8,701 | $3.62M | 0.03% | +3,260+59.9% | Added |
| Pacer Advisors, Inc. | 8,617 | $3.58M | 0.01% | −545−5.9% | Reduced |
| Brinker Capital Investments, LLC | 8,607 | $3.58M | 0.03% | +7,984+1,281.5% | Added |
| Colony Group, LLC | 8,603 | $3.58M | 0.00% | −2,062−19.3% | Reduced |
| Hedeker Wealth, LLC | 8,523 | $3.55M | 0.68% | −123−1.4% | Reduced |
| Calamos Advisors LLC | 8,482 | $3.53M | 0.01% | −5,045−37.3% | Reduced |
| Chicago Capital, LLC | 8,477 | $3.53M | 0.08% | +1,049+14.1% | Added |
| HighTower Advisors, LLC | 8,362 | $3.48M | 0.00% | −982−10.5% | Reduced |
| Toronto Dominion Bank | 8,283 | $3.45M | 0.01% | −71,742−89.6% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 8,275 | $3.44M | 0.05% | +4,344+110.5% | Added |
| Nissay Asset Management Corp | 8,252 | $3.43M | 0.01% | +8,252 | New |
| Quantbot Technologies LP | 8,217 | $3.42M | 0.13% | +4,264+107.9% | Added |
| ASR Vermogensbeheer N.V. | 8,068 | $3.36M | 0.03% | +8,068 | New |
| Ensign Peak Advisors, Inc | 8,033 | $3.34M | 0.01% | +4,800+148.5% | Added |
| Mariner Investment Group LLC | 8,000 | $3.33M | 0.78% | +2,000+33.3% | Added |
| Emerald Advisers, LLC | 7,983 | $3.32M | 0.08% | −544−6.4% | Reduced |
| Longaeva Partners L.P. | 7,968 | $3.32M | 0.10% | −5,046−38.8% | Reduced |
| Summit Trail Advisors, LLC | 7,953 | $3.31M | 0.04% | +1,858+30.5% | Added |
| Worldquant Millennium Advisors LLC | 7,841 | $3.26M | 0.01% | +7,841 | New |
| Tribune Investment Group LP | 7,640 | $3.18M | 2.15% | −21,360−73.7% | Reduced |
| MH & Associates Securities Management Corp | 7,601 | $3.16M | 2.84% | −30−0.4% | Reduced |
| Standard Life Aberdeen plc | 7,576 | $3.15M | 0.00% | +7,576 | New |
| Man Group plc | 7,544 | $3.14M | 0.01% | −1,831−19.5% | Reduced |
| Pallas Capital Advisors LLC | 7,511 | $3.13M | 0.10% | +10+0.1% | Added |
| IMA Wealth, Inc. | 7,502 | $3.12M | 0.20% | −483−6.0% | Reduced |
| Graham Capital Management, L.P. | 7,423 | $3.09M | 0.08% | +7,423 | New |
| Lansing Street Advisors | 7,347 | $3.06M | 0.65% | −1,414−16.1% | Reduced |
| Neuberger Berman Group LLC | 7,210 | $3.00M | 0.00% | +78+1.1% | Added |
| Swiss Life Asset Management Ltd | 7,203 | $3.00M | 0.01% | +2,160+42.8% | Added |
| Allstate Corp | 7,164 | $2.98M | 0.03% | +118+1.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 7,100 | $2.96M | 0.01% | −396−5.3% | Reduced |
| Blackstone Group Inc. | 7,061 | $2.94M | 0.01% | +7,061 | New |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,000 | $2.91M | 0.11% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,995 | $2.91M | 0.02% | +6,995 | New |
| Bridgewater Associates, LP | 6,969 | $2.90M | 0.01% | −33,169−82.6% | Reduced |
| Commerce Bank | 6,930 | $2.88M | 0.01% | −119−1.7% | Reduced |
| JustInvest LLC | 6,923 | $2.88M | 0.02% | +42+0.6% | Added |
| Chung Wu Investment Group, LLC | 6,765 | $2.81M | 1.85% | +30+0.4% | Added |
| Bridgeway Capital Management, LLC | 6,640 | $2.76M | 0.05% | +6,640 | New |
| Pinnacle Associates Ltd | 6,583 | $2.74M | 0.03% | +1,225+22.9% | Added |
| Gs Investments, Inc. | 6,497 | $2.70M | 1.95% | −923−12.4% | Reduced |
| Sanctuary Advisors, LLC | 6,465 | $2.69M | 0.01% | −422−6.1% | Reduced |
| Voleon Capital Management LP | 6,391 | $2.66M | 0.05% | −12,537−66.2% | Reduced |
| FIL Ltd | 6,339 | $2.64M | 0.00% | +3,883+158.1% | Added |
| Ethic Inc. | 6,271 | $2.61M | 0.03% | +557+9.7% | Added |
| Meitav Dash Investments Ltd | 6,180 | $2.61M | 0.02% | +6,180 | New |
| Engineers Gate Manager LP | 6,240 | $2.60M | 0.03% | −4,276−40.7% | Reduced |
| Fred Alger Management, LLC | 6,198 | $2.58M | 0.01% | +6,198 | New |
| South Dakota Investment Council | 6,173 | $2.57M | 0.04% | +6,173 | New |
| Integrated Wealth Concepts LLC | 6,148 | $2.56M | 0.02% | +28+0.5% | Added |
| Ameritas Advisory Services, LLC | 6,118 | $2.55M | 0.05% | +3,235+112.2% | Added |
| Little House Capital LLC | 6,065 | $2.52M | 0.57% | −550−8.3% | Reduced |
| Jump Financial, LLC | 6,052 | $2.52M | 0.02% | +322+5.6% | Added |
| State of Alaska, Department of Revenue | 6,038 | $2.51M | 0.02% | −200−3.2% | Reduced |
| Park Avenue Securities LLC | 6,031 | $2.51M | 0.02% | +1,838+43.8% | Added |
| Tower Research Capital LLC (TRC) | 6,018 | $2.50M | 0.06% | +3,598+148.7% | Added |
| Fulcrum Asset Management LLP | 5,800 | $2.49M | 0.25% | +5,800 | New |
| Boothbay Fund Management, LLC | 5,897 | $2.45M | 0.05% | −10,012−62.9% | Reduced |
| Atria Investments LLC | 5,826 | $2.42M | 0.02% | −231−3.8% | Reduced |
| Gateway Investment Advisers LLC | 5,824 | $2.42M | 0.02% | +4,242+268.1% | Added |
| Private Advisor Group, LLC | 5,629 | $2.34M | 0.01% | +72+1.3% | Added |
| Merit Financial Group, LLC | 5,584 | $2.32M | 0.01% | −144−2.5% | Reduced |
| KRS Capital Management, LLC | 5,544 | $2.31M | 1.07% | +99+1.8% | Added |
| Quadrant Capital Group LLC | 5,528 | $2.30M | 0.06% | −14−0.3% | Reduced |
| Win Advisors, Inc | 5,525 | $2.30M | 0.82% | +1,744+46.1% | Added |
| Teacher Retirement System of Texas | 5,521 | $2.30M | 0.01% | −13,823−71.5% | Reduced |
| Fideuram Asset Management (Ireland) dac | 5,968 | $2.29M | 0.04% | +5,968 | New |
| Venture Visionary Partners LLC | 5,441 | $2.26M | 0.06% | +255+4.9% | Added |
| Alps Advisors Inc | 5,430 | $2.26M | 0.01% | +903+19.9% | Added |
| Concurrent Investment Advisors, LLC | 5,419 | $2.25M | 0.02% | +98+1.8% | Added |
| D.A. Davidson & Co. | 5,398 | $2.25M | 0.01% | −206−3.7% | Reduced |
| Brighton Jones LLC | 5,397 | $2.25M | 0.04% | −206−3.7% | Reduced |
| Highland Capital Management, LLC | 5,393 | $2.24M | 0.10% | −1,059−16.4% | Reduced |
| M&T Bank Corp | 5,366 | $2.23M | 0.01% | +102+1.9% | Added |
| First Dallas Securities Inc. | 5,310 | $2.21M | 0.73% | −2,190−29.2% | Reduced |
| Public Employees Retirement Association of Colorado | 5,295 | $2.20M | 0.01% | 00.0% | Unchanged |
| Gallo Partners, LP | 5,184 | $2.16M | 4.78% | −4,288−45.3% | Reduced |
| The PNC Financial Services Group, Inc. | 5,176 | $2.15M | 0.00% | −1,010−16.3% | Reduced |
| HighVista Strategies LLC | 5,137 | $2.14M | 0.49% | +1,510+41.6% | Added |
| Harold Davidson & Associates Inc. | 5,129 | $2.13M | 0.93% | +5,129 | New |
| Florida Financial Advisors, LLC | 5,033 | $2.09M | 0.35% | +5,033 | New |
| Truist Financial Corp | 4,980 | $2.07M | 0.00% | +1,028+26.0% | Added |
| Abn Amro Investment Solutions | 4,904 | $2.04M | 0.02% | +4,904 | New |
| Daymark Wealth Partners, LLC | 4,797 | $2.00M | 0.05% | +6+0.1% | Added |
| TFR Capital, LLC. | 4,753 | $1.98M | 0.56% | +4,753 | New |
| Genus Capital Management Inc. | 4,735 | $1.97M | 0.19% | +4,735 | New |
| CAPROCK Group, Inc. | 4,688 | $1.95M | 0.04% | −898−16.1% | Reduced |
| Gulf International Bank (UK) Ltd | 4,666 | $1.94M | 0.04% | +4,666 | New |
| Crossmark Global Holdings, Inc. | 4,548 | $1.89M | 0.02% | +34+0.8% | Added |
| Jane Street Group, LLC | 4,464 | $1.86M | 0.00% | −89,492−95.2% | Reduced |
| Harvest Fund Management Co., Ltd | 4,451 | $1.85M | 0.06% | 00.0% | Unchanged |
| SBI Okasan Asset Management Co.Ltd. | 4,300 | $1.85M | 0.06% | −3,100−41.9% | Reduced |
| PW Nova Financial Services LLC | 4,431 | $1.84M | 0.40% | +20.0% | Added |
| Kestra Private Wealth Services, LLC | 4,382 | $1.82M | 0.02% | +667+18.0% | Added |