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, Q1 2026
Institutional positions in Mastec Inc as of Mar 31, 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
- 811
- +122 vs. Q4 2025
- Shares held
- 58.0M
- +5.36M (+10.2%) vs. Q4 2025
- Total value
- $18.6B
- +$7.19B (+62.7%) vs. Q4 2025
- New holders
- 184
- 256 more added
- Sold out
- 62
- 263 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pacer Advisors, Inc. | 9,162 | $2.95M | 0.01% | +1,828+24.9% | Added |
| Havemeyer Place LP | 9,142 | $2.94M | 0.34% | +9,142 | New |
| WCM Investment Management, LLC | 9,576 | $2.93M | 0.01% | +9,576 | New |
| Guggenheim Capital LLC | 9,073 | $2.92M | 0.02% | +6,385+237.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,072 | $2.92M | 0.00% | −637−6.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 8,961 | $2.88M | 0.01% | −596,913−98.5% | Reduced |
| Captrust Financial Advisors | 8,951 | $2.88M | 0.01% | −47−0.5% | Reduced |
| Lansing Street Advisors | 8,761 | $2.82M | 0.71% | 00.0% | Unchanged |
| Hedeker Wealth, LLC | 8,646 | $2.78M | 0.59% | +222+2.6% | Added |
| Sycomore Asset Management | 22,437 | $2.75M | 0.40% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 8,527 | $2.74M | 0.09% | 00.0% | Unchanged |
| New York Life Investment Management LLC | 8,238 | $2.65M | 0.02% | +2,483+43.1% | Added |
| Numerai GP LLC | 8,118 | $2.61M | 0.26% | +8,118 | New |
| IMA Wealth, Inc. | 7,985 | $2.57M | 0.25% | −104−1.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 7,693 | $2.48M | 0.00% | −743−8.8% | Reduced |
| MH & Associates Securities Management Corp | 7,631 | $2.46M | 2.14% | +20.0% | Added |
| Pallas Capital Advisors LLC | 7,501 | $2.41M | 0.09% | −476−6.0% | Reduced |
| First Dallas Securities Inc. | 7,500 | $2.41M | 0.89% | −850−10.2% | Reduced |
| Chicago Capital, LLC | 7,428 | $2.39M | 0.06% | +807+12.2% | Added |
| Gs Investments, Inc. | 7,420 | $2.39M | 1.37% | −11,608−61.0% | Reduced |
| Arcadia Investment Management Corp | 7,174 | $2.31M | 0.40% | +825+13.0% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 7,496 | $2.30M | 0.01% | +7,496 | New |
| Neuberger Berman Group LLC | 7,132 | $2.29M | 0.00% | −18−0.3% | Reduced |
| Virginia Retirement Systems Et Al | 7,100 | $2.28M | 0.02% | −800−10.1% | Reduced |
| Commerce Bank | 7,049 | $2.27M | 0.01% | −696−9.0% | Reduced |
| Allstate Corp | 7,046 | $2.27M | 0.02% | +7,046 | New |
| SBI Okasan Asset Management Co.Ltd. | 7,400 | $2.26M | 0.09% | 00.0% | Unchanged |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,000 | $2.25M | 0.11% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 6,911 | $2.22M | 0.66% | −3,808−35.5% | Reduced |
| Sanctuary Advisors, LLC | 6,887 | $2.22M | 0.01% | −6,640−49.1% | Reduced |
| JustInvest LLC | 6,881 | $2.21M | 0.02% | +140+2.1% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 6,829 | $2.20M | 0.02% | +2,239+48.8% | Added |
| Rokos Capital Management LLP | 6,813 | $2.19M | 0.04% | +6,813 | New |
| Chung Wu Investment Group, LLC | 6,735 | $2.17M | 1.87% | −250−3.6% | Reduced |
| Penn Capital Management Co Inc | 6,589 | $2.15M | 0.17% | −3,656−35.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,619 | $2.13M | 0.01% | −6,849−50.9% | Reduced |
| Little House Capital LLC | 6,615 | $2.13M | 0.55% | +6,615 | New |
| Highland Capital Management, LLC | 6,452 | $2.08M | 0.11% | +6,452 | New |
| Legato Capital Management LLC | 6,414 | $2.06M | 0.19% | −740−10.3% | Reduced |
| TD Asset Management Inc | 6,294 | $2.03M | 0.00% | +6,294 | New |
| State of Alaska, Department of Revenue | 6,238 | $2.01M | 0.02% | +160+2.6% | Added |
| Voya Investment Management LLC | 6,222 | $2.00M | 0.00% | −377−5.7% | Reduced |
| Aigen Investment Management, LP | 6,201 | $2.00M | 0.51% | +5,160+495.7% | Added |
| The PNC Financial Services Group, Inc. | 6,186 | $1.99M | 0.00% | +2,044+49.3% | Added |
| Integrated Wealth Concepts LLC | 6,120 | $1.97M | 0.02% | +4,259+228.9% | Added |
| Summit Trail Advisors, LLC | 6,095 | $1.96M | 0.03% | −111−1.8% | Reduced |
| Atria Investments LLC | 6,057 | $1.95M | 0.02% | +1,893+45.5% | Added |
| Mariner Investment Group LLC | 6,000 | $1.93M | 0.59% | −8,500−58.6% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 6,000 | $1.93M | 1.00% | 00.0% | Unchanged |
| Integrated Quantitative Investments LLC | 5,957 | $1.92M | 0.35% | −1,795−23.2% | Reduced |
| Blue Line Capital, LLC | 5,826 | $1.87M | 2.12% | +632+12.2% | Added |
| Jones Financial Companies LLLP | 5,858 | $1.85M | 0.00% | +2,506+74.8% | Added |
| Jump Financial, LLC | 5,730 | $1.84M | 0.03% | +5,730 | New |
| Merit Financial Group, LLC | 5,728 | $1.84M | 0.01% | +49+0.9% | Added |
| Ethic Inc. | 5,714 | $1.84M | 0.03% | +480+9.2% | Added |
| D.A. Davidson & Co. | 5,604 | $1.80M | 0.01% | −613−9.9% | Reduced |
| Brighton Jones LLC | 5,603 | $1.80M | 0.04% | +5,603 | New |
| CAPROCK Group, Inc. | 5,586 | $1.80M | 0.04% | +3,731+201.1% | Added |
| Private Advisor Group, LLC | 5,557 | $1.79M | 0.01% | +258+4.9% | Added |
| Quadrant Capital Group LLC | 5,542 | $1.78M | 0.05% | +208+3.9% | Added |
| KRS Capital Management, LLC | 5,445 | $1.75M | 1.07% | −16−0.3% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 5,441 | $1.75M | 0.02% | −1,837−25.2% | Reduced |
| Pinnacle Associates Ltd | 5,358 | $1.72M | 0.02% | +4,281+397.5% | Added |
| Concurrent Investment Advisors, LLC | 5,321 | $1.71M | 0.02% | +525+10.9% | Added |
| Public Employees Retirement Association of Colorado | 5,295 | $1.70M | 0.01% | 00.0% | Unchanged |
| M&T Bank Corp | 5,264 | $1.69M | 0.01% | −7−0.1% | Reduced |
| Venture Visionary Partners LLC | 5,186 | $1.67M | 0.06% | −566−9.8% | Reduced |
| Mackenzie Financial Corp | 5,081 | $1.63M | 0.00% | −56,240−91.7% | Reduced |
| Swiss Life Asset Management Ltd | 5,043 | $1.62M | 0.01% | +2,158+74.8% | Added |
| Ardsley Advisory Partners LP | 5,000 | $1.61M | 0.25% | −10,000−66.7% | Reduced |
| SIH Partners, LLLP | 4,993 | $1.61M | 0.05% | +4,993 | New |
| Daymark Wealth Partners, LLC | 4,791 | $1.54M | 0.05% | +45+0.9% | Added |
| Skopos Labs, Inc. | 4,617 | $1.49M | 0.05% | +2,058+80.4% | Added |
| Alps Advisors Inc | 4,527 | $1.46M | 0.01% | +4,527 | New |
| Securian Asset Management, Inc | 4,521 | $1.45M | 0.06% | +29+0.6% | Added |
| Crossmark Global Holdings, Inc. | 4,514 | $1.45M | 0.02% | +57+1.3% | Added |
| Harvest Fund Management Co., Ltd | 4,451 | $1.43M | 0.06% | +836+23.1% | Added |
| PW Nova Financial Services LLC | 4,429 | $1.42M | 0.36% | +4,429 | New |
| Buckingham Strategic Partners | 4,412 | $1.42M | 0.01% | −684−13.4% | Reduced |
| Los Angeles Capital Management LLC | 4,312 | $1.39M | 0.01% | −2,162−33.4% | Reduced |
| Sigma Planning Corp | 4,284 | $1.38M | 0.04% | +2,817+192.0% | Added |
| Vestcor Inc | 4,200 | $1.35M | 0.04% | +3,600+600.0% | Added |
| Park Avenue Securities LLC | 4,193 | $1.35M | 0.01% | +187+4.7% | Added |
| Rockefeller Capital Management L.P. | 4,166 | $1.34M | 0.00% | −2,541−37.9% | Reduced |
| Salem Investment Counselors Inc | 4,093 | $1.32M | 0.04% | +4,093 | New |
| Acadian Asset Management LLC | 4,081 | $1.31M | 0.00% | +3,859+1,738.3% | Added |
| Claro Advisors LLC | 3,960 | $1.27M | 0.15% | +287+7.8% | Added |
| Quantbot Technologies LP | 3,953 | $1.27M | 0.05% | −2,217−35.9% | Reduced |
| Truist Financial Corp | 3,952 | $1.27M | 0.00% | +1,083+37.7% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 3,931 | $1.26M | 0.02% | −10,773−73.3% | Reduced |
| Thoroughbred Financial Services, LLC | 3,824 | $1.23M | 0.07% | +1,619+73.4% | Added |
| Win Advisors, Inc | 3,781 | $1.22M | 0.56% | +3,781 | New |
| Vestmark Advisory Solutions, Inc. | 3,771 | $1.21M | 0.01% | −226−5.7% | Reduced |
| Kestra Private Wealth Services, LLC | 3,715 | $1.20M | 0.01% | +1,424+62.2% | Added |
| Dorsey & Whitney Trust CO LLC | 3,707 | $1.19M | 0.07% | +2+0.1% | Added |
| Maridea Wealth Management LLC | 3,705 | $1.19M | 0.17% | +3,705 | New |
| Evergreen Capital Management LLC | 3,679 | $1.18M | 0.03% | −13−0.4% | Reduced |
| Wright Investors Service Inc | 3,648 | $1.17M | 0.37% | −173−4.5% | Reduced |
| Arkadios Wealth Advisors | 3,644 | $1.17M | 0.02% | −575−13.6% | Reduced |
| HighVista Strategies LLC | 3,627 | $1.17M | 0.32% | −1,400−27.8% | Reduced |