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 |
|---|---|---|---|---|---|
| Trium Capital LLP | 3,162 | $1.02M | 0.74% | +3,162 | New |
| CWC Advisors, LLC. | 3,216 | $1.03M | 0.49% | −103−3.1% | Reduced |
| Ensign Peak Advisors, Inc | 3,233 | $1.04M | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 3,288 | $1.06M | 0.01% | 00.0% | Unchanged |
| PEAK6 LLC | 3,376 | $1.09M | 0.03% | −25,841−88.4% | Reduced |
| PVG Asset Management Corp | 2,944 | $1.09M | 0.65% | +2,944 | New |
| Chesapeake Capital Corp | 3,405 | $1.10M | 0.79% | 00.0% | Unchanged |
| GWM Advisors LLC | 3,432 | $1.10M | 0.00% | +15+0.4% | Added |
| Rithm Capital Corp. | 3,500 | $1.13M | 1.67% | −500−12.5% | Reduced |
| Coldstream Capital Management Inc | 3,611 | $1.16M | 0.01% | +179+5.2% | Added |
| Evolve Private Wealth, LLC | 3,616 | $1.16M | 0.06% | −4−0.1% | Reduced |
| HighVista Strategies LLC | 3,627 | $1.17M | 0.32% | −1,400−27.8% | Reduced |
| Arkadios Wealth Advisors | 3,644 | $1.17M | 0.02% | −575−13.6% | Reduced |
| Wright Investors Service Inc | 3,648 | $1.17M | 0.37% | −173−4.5% | Reduced |
| Evergreen Capital Management LLC | 3,679 | $1.18M | 0.03% | −13−0.4% | Reduced |
| Maridea Wealth Management LLC | 3,705 | $1.19M | 0.17% | +3,705 | New |
| Dorsey & Whitney Trust CO LLC | 3,707 | $1.19M | 0.07% | +2+0.1% | Added |
| Kestra Private Wealth Services, LLC | 3,715 | $1.20M | 0.01% | +1,424+62.2% | Added |
| Vestmark Advisory Solutions, Inc. | 3,771 | $1.21M | 0.01% | −226−5.7% | Reduced |
| Win Advisors, Inc | 3,781 | $1.22M | 0.56% | +3,781 | New |
| Thoroughbred Financial Services, LLC | 3,824 | $1.23M | 0.07% | +1,619+73.4% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 3,931 | $1.26M | 0.02% | −10,773−73.3% | Reduced |
| Truist Financial Corp | 3,952 | $1.27M | 0.00% | +1,083+37.7% | Added |
| Quantbot Technologies LP | 3,953 | $1.27M | 0.05% | −2,217−35.9% | Reduced |
| Claro Advisors LLC | 3,960 | $1.27M | 0.15% | +287+7.8% | Added |
| Acadian Asset Management LLC | 4,081 | $1.31M | 0.00% | +3,859+1,738.3% | Added |
| Salem Investment Counselors Inc | 4,093 | $1.32M | 0.04% | +4,093 | New |
| Rockefeller Capital Management L.P. | 4,166 | $1.34M | 0.00% | −2,541−37.9% | Reduced |
| Park Avenue Securities LLC | 4,193 | $1.35M | 0.01% | +187+4.7% | Added |
| Vestcor Inc | 4,200 | $1.35M | 0.04% | +3,600+600.0% | Added |
| Sigma Planning Corp | 4,284 | $1.38M | 0.04% | +2,817+192.0% | Added |
| Los Angeles Capital Management LLC | 4,312 | $1.39M | 0.01% | −2,162−33.4% | Reduced |
| Buckingham Strategic Partners | 4,412 | $1.42M | 0.01% | −684−13.4% | Reduced |
| PW Nova Financial Services LLC | 4,429 | $1.42M | 0.36% | +4,429 | New |
| Harvest Fund Management Co., Ltd | 4,451 | $1.43M | 0.06% | +836+23.1% | Added |
| Crossmark Global Holdings, Inc. | 4,514 | $1.45M | 0.02% | +57+1.3% | Added |
| Securian Asset Management, Inc | 4,521 | $1.45M | 0.06% | +29+0.6% | Added |
| Alps Advisors Inc | 4,527 | $1.46M | 0.01% | +4,527 | New |
| Skopos Labs, Inc. | 4,617 | $1.49M | 0.05% | +2,058+80.4% | Added |
| Daymark Wealth Partners, LLC | 4,791 | $1.54M | 0.05% | +45+0.9% | Added |
| SIH Partners, LLLP | 4,993 | $1.61M | 0.05% | +4,993 | New |
| Ardsley Advisory Partners LP | 5,000 | $1.61M | 0.25% | −10,000−66.7% | Reduced |
| Swiss Life Asset Management Ltd | 5,043 | $1.62M | 0.01% | +2,158+74.8% | Added |
| Mackenzie Financial Corp | 5,081 | $1.63M | 0.00% | −56,240−91.7% | Reduced |
| Venture Visionary Partners LLC | 5,186 | $1.67M | 0.06% | −566−9.8% | Reduced |
| M&T Bank Corp | 5,264 | $1.69M | 0.01% | −7−0.1% | Reduced |
| Public Employees Retirement Association of Colorado | 5,295 | $1.70M | 0.01% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 5,321 | $1.71M | 0.02% | +525+10.9% | Added |
| Pinnacle Associates Ltd | 5,358 | $1.72M | 0.02% | +4,281+397.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 5,441 | $1.75M | 0.02% | −1,837−25.2% | Reduced |
| KRS Capital Management, LLC | 5,445 | $1.75M | 1.07% | −16−0.3% | Reduced |
| Quadrant Capital Group LLC | 5,542 | $1.78M | 0.05% | +208+3.9% | Added |
| Private Advisor Group, LLC | 5,557 | $1.79M | 0.01% | +258+4.9% | Added |
| CAPROCK Group, Inc. | 5,586 | $1.80M | 0.04% | +3,731+201.1% | Added |
| Brighton Jones LLC | 5,603 | $1.80M | 0.04% | +5,603 | New |
| D.A. Davidson & Co. | 5,604 | $1.80M | 0.01% | −613−9.9% | Reduced |
| Ethic Inc. | 5,714 | $1.84M | 0.03% | +480+9.2% | Added |
| Merit Financial Group, LLC | 5,728 | $1.84M | 0.01% | +49+0.9% | Added |
| Jump Financial, LLC | 5,730 | $1.84M | 0.03% | +5,730 | New |
| Jones Financial Companies LLLP | 5,858 | $1.85M | 0.00% | +2,506+74.8% | Added |
| Blue Line Capital, LLC | 5,826 | $1.87M | 2.12% | +632+12.2% | Added |
| Integrated Quantitative Investments LLC | 5,957 | $1.92M | 0.35% | −1,795−23.2% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 6,000 | $1.93M | 1.00% | 00.0% | Unchanged |
| Mariner Investment Group LLC | 6,000 | $1.93M | 0.59% | −8,500−58.6% | Reduced |
| Atria Investments LLC | 6,057 | $1.95M | 0.02% | +1,893+45.5% | Added |
| Summit Trail Advisors, LLC | 6,095 | $1.96M | 0.03% | −111−1.8% | Reduced |
| Integrated Wealth Concepts LLC | 6,120 | $1.97M | 0.02% | +4,259+228.9% | Added |
| The PNC Financial Services Group, Inc. | 6,186 | $1.99M | 0.00% | +2,044+49.3% | Added |
| Aigen Investment Management, LP | 6,201 | $2.00M | 0.51% | +5,160+495.7% | Added |
| Voya Investment Management LLC | 6,222 | $2.00M | 0.00% | −377−5.7% | Reduced |
| State of Alaska, Department of Revenue | 6,238 | $2.01M | 0.02% | +160+2.6% | Added |
| TD Asset Management Inc | 6,294 | $2.03M | 0.00% | +6,294 | New |
| Legato Capital Management LLC | 6,414 | $2.06M | 0.19% | −740−10.3% | Reduced |
| Highland Capital Management, LLC | 6,452 | $2.08M | 0.11% | +6,452 | New |
| Little House Capital LLC | 6,615 | $2.13M | 0.55% | +6,615 | New |
| Federation des caisses Desjardins du Quebec | 6,619 | $2.13M | 0.01% | −6,849−50.9% | Reduced |
| Penn Capital Management Co Inc | 6,589 | $2.15M | 0.17% | −3,656−35.7% | Reduced |
| Chung Wu Investment Group, LLC | 6,735 | $2.17M | 1.87% | −250−3.6% | Reduced |
| Rokos Capital Management LLP | 6,813 | $2.19M | 0.04% | +6,813 | New |
| PensionDanmark Pensionsforsikringsaktieselskab | 6,829 | $2.20M | 0.02% | +2,239+48.8% | Added |
| JustInvest LLC | 6,881 | $2.21M | 0.02% | +140+2.1% | Added |
| Sanctuary Advisors, LLC | 6,887 | $2.22M | 0.01% | −6,640−49.1% | Reduced |
| Jackson Creek Investment Advisors LLC | 6,911 | $2.22M | 0.66% | −3,808−35.5% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,000 | $2.25M | 0.11% | 00.0% | Unchanged |
| SBI Okasan Asset Management Co.Ltd. | 7,400 | $2.26M | 0.09% | 00.0% | Unchanged |
| Allstate Corp | 7,046 | $2.27M | 0.02% | +7,046 | New |
| Commerce Bank | 7,049 | $2.27M | 0.01% | −696−9.0% | Reduced |
| Virginia Retirement Systems Et Al | 7,100 | $2.28M | 0.02% | −800−10.1% | Reduced |
| Neuberger Berman Group LLC | 7,132 | $2.29M | 0.00% | −18−0.3% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 7,496 | $2.30M | 0.01% | +7,496 | New |
| Arcadia Investment Management Corp | 7,174 | $2.31M | 0.40% | +825+13.0% | Added |
| Gs Investments, Inc. | 7,420 | $2.39M | 1.37% | −11,608−61.0% | Reduced |
| Chicago Capital, LLC | 7,428 | $2.39M | 0.06% | +807+12.2% | Added |
| First Dallas Securities Inc. | 7,500 | $2.41M | 0.89% | −850−10.2% | Reduced |
| Pallas Capital Advisors LLC | 7,501 | $2.41M | 0.09% | −476−6.0% | Reduced |
| MH & Associates Securities Management Corp | 7,631 | $2.46M | 2.14% | +20.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 7,693 | $2.48M | 0.00% | −743−8.8% | Reduced |
| IMA Wealth, Inc. | 7,985 | $2.57M | 0.25% | −104−1.3% | Reduced |
| Numerai GP LLC | 8,118 | $2.61M | 0.26% | +8,118 | New |
| New York Life Investment Management LLC | 8,238 | $2.65M | 0.02% | +2,483+43.1% | Added |