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 |
|---|---|---|---|---|---|
| Penn Capital Management Co Inc | 4,321 | $1.82M | 0.12% | −2,268−34.4% | Reduced |
| 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 |
| Entropy Technologies, LP | 4,230 | $1.76M | 0.07% | +4,230 | New |
| Polymer Capital Management (US) LLC | 4,168 | $1.73M | 0.26% | +3,943+1,752.4% | Added |
| Macquarie Group Ltd | 4,130 | $1.72M | 0.01% | +4,130 | New |
| Blue Line Capital, LLC | 4,052 | $1.69M | 1.46% | −1,774−30.4% | Reduced |
| Ninepoint Partners LP | 4,037 | $1.68M | 0.15% | −5,297−56.7% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 4,000 | $1.66M | 0.07% | −15,448−79.4% | Reduced |
| Salem Investment Counselors Inc | 3,998 | $1.66M | 0.04% | −95−2.3% | Reduced |
| Trexquant Investment LP | 3,994 | $1.66M | 0.01% | −88,118−95.7% | Reduced |
| Rockefeller Capital Management L.P. | 3,973 | $1.65M | 0.00% | −193−4.6% | Reduced |
| Chesapeake Capital Corp | 3,963 | $1.65M | 0.89% | +558+16.4% | Added |
| J. Goldman & Co LP | 3,960 | $1.65M | 0.06% | −31,002−88.7% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 3,941 | $1.64M | 0.06% | +3,941 | New |
| Thoroughbred Financial Services, LLC | 3,941 | $1.64M | 0.08% | +117+3.1% | Added |
| Investment Management Corp of Ontario | 3,880 | $1.61M | 0.02% | +3,880 | New |
| Groupama Asset Managment | 3,874 | $1.61M | 0.02% | +2,970+328.5% | Added |
| Landscape Capital Management, L.L.C. | 3,778 | $1.57M | 0.10% | +1,202+46.7% | Added |
| PEAK6 LLC | 3,744 | $1.56M | 0.04% | +368+10.9% | Added |
| Claro Advisors LLC | 3,728 | $1.55M | 0.16% | −232−5.9% | Reduced |
| Turas Capital Management LP | 3,720 | $1.55M | 0.71% | +3,720 | New |
| Coldstream Capital Management Inc | 3,627 | $1.51M | 0.02% | +16+0.4% | Added |
| Evergreen Capital Management LLC | 3,609 | $1.50M | 0.03% | −70−1.9% | Reduced |
| Securian Asset Management, Inc | 4,527 | $1.49M | 0.05% | +6+0.1% | Added |
| Globeflex Capital L P | 3,574 | $1.49M | 0.19% | +609+20.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,342 | $1.48M | 0.01% | +454+15.7% | Added |
| Interval Partners, LP | 3,506 | $1.46M | 0.05% | +1,320+60.4% | Added |
| Rithm Capital Corp. | 3,500 | $1.46M | 1.79% | 00.0% | Unchanged |
| Woodline Partners LP | 3,487 | $1.45M | 0.00% | +3,487 | New |
| Allianz SE | 3,486 | $1.45M | 0.02% | +3,486 | New |
| CIBC Asset Management Inc | 3,456 | $1.44M | 0.00% | +1,009+41.2% | Added |
| Hantz Financial Services, Inc. | 3,444 | $1.43M | 0.02% | +471+15.8% | Added |
| CWM Advisors, LLC | 3,414 | $1.42M | 0.06% | +3,414 | New |
| Vestcor Inc | 3,381 | $1.41M | 0.03% | −819−19.5% | Reduced |
| Trium Capital LLP | 3,366 | $1.40M | 0.88% | +204+6.5% | Added |
| Omers Administration Corp | 3,365 | $1.40M | 0.01% | +3,365 | New |
| Maryland State Retirement & Pension System | 3,352 | $1.39M | 0.02% | +251+8.1% | Added |
| Fairvoy Private Wealth, LLC | 3,342 | $1.39M | 0.28% | +1,299+63.6% | Added |
| Utah Retirement Systems | 3,235 | $1.35M | 0.01% | −53−1.6% | Reduced |
| Custom Index Systems, LLC | 3,231 | $1.34M | 0.48% | +269+9.1% | Added |
| Veracity Capital LLC | 3,230 | $1.34M | 0.36% | +3,230 | New |
| GWN Securities Inc. | 3,222 | $1.34M | 0.22% | +95+3.0% | Added |
| Element Squared LLC | 3,150 | $1.31M | 0.65% | +3,150 | New |
| HB Wealth Management, LLC | 3,046 | $1.27M | 0.01% | +37+1.2% | Added |
| Arkadios Wealth Advisors | 3,043 | $1.27M | 0.02% | −601−16.5% | Reduced |
| Bangor Savings Bank | 3,035 | $1.26M | 0.09% | −81−2.6% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 3,000 | $1.25M | 0.58% | −3,000−50.0% | Reduced |
| Evolve Private Wealth, LLC | 2,962 | $1.23M | 0.08% | −654−18.1% | Reduced |
| Cetera Trust Company, N.A | 2,960 | $1.23M | 0.62% | +50+1.7% | Added |
| PVG Asset Management Corp | 2,944 | $1.22M | 0.71% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 2,916 | $1.21M | 0.00% | +1,813+164.4% | Added |
| Bull Harbor Capital LLC | 2,801 | $1.17M | 0.23% | −10.0% | Reduced |
| BFSG, LLC | 2,793 | $1.16M | 0.10% | +2,793 | New |
| Stratos Wealth Partners, LTD. | 2,792 | $1.16M | 0.01% | −135−4.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 2,770 | $1.15M | 0.02% | +104+3.9% | Added |
| Castleark Management LLC | 2,690 | $1.12M | 0.03% | 00.0% | Unchanged |
| DMG Group, LLC | 2,665 | $1.11M | 0.76% | −310−10.4% | Reduced |
| Dorsey & Whitney Trust CO LLC | 2,647 | $1.10M | 0.05% | −1,060−28.6% | Reduced |
| Krilogy Financial LLC | 2,634 | $1.10M | 0.03% | 00.0% | Unchanged |
| Reliant Investment Partners, LLC | 2,633 | $1.10M | 0.75% | +101+4.0% | Added |
| QRG Capital Management, Inc. | 2,623 | $1.09M | 0.01% | +1,222+87.2% | Added |
| Intrust Bank NA | 2,529 | $1.05M | 0.08% | −75−2.9% | Reduced |
| CIBC World Markets Inc. | 2,519 | $1.05M | 0.00% | −14,831−85.5% | Reduced |
| Alyeska Investment Group, L.P. | 2,500 | $1.04M | 0.00% | −84,986−97.1% | Reduced |
| Global Retirement Partners, LLC | 2,496 | $1.04M | 0.02% | +2,496 | New |
| Quantitative Investment Management, LLC | 2,496 | $1.04M | 0.11% | +2,496 | New |
| Guggenheim Capital LLC | 2,461 | $1.02M | 0.01% | −6,612−72.9% | Reduced |
| Sigma Planning Corp | 2,432 | $1.01M | 0.03% | −1,852−43.2% | Reduced |
| ProShare Advisors LLC | 2,430 | $1.01M | 0.00% | −30−1.2% | Reduced |
| Moors & Cabot, Inc. | 2,428 | $1.01M | 0.04% | −280−10.3% | Reduced |
| Ridge Creek Global, Inc | 2,400 | $998.5K | 0.78% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 2,381 | $990.6K | 0.01% | +693+41.1% | Added |
| Spire Wealth Management | 2,352 | $978.6K | 0.03% | +91+4.0% | Added |
| E. Ohman J:or Asset Management AB | 2,340 | $973.6K | 0.02% | +2,340 | New |
| Savant Capital, LLC | 2,569 | $970.7K | 0.00% | +1,519+144.7% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 2,328 | $968.6K | 0.02% | +2,328 | New |
| Warren Averett Asset Management, LLC | 2,311 | $961.5K | 0.01% | +694+42.9% | Added |
| Fifth Third Wealth Advisors LLC | 2,292 | $953.6K | 0.03% | +142+6.6% | Added |
| VestGen Advisors, LLC | 2,247 | $934.9K | 0.03% | −6,142−73.2% | Reduced |
| Kera Capital Partners, Inc. | 2,215 | $921.6K | 0.09% | +26+1.2% | Added |
| Yorktown Management & Research Co Inc | 2,200 | $915.3K | 0.56% | 00.0% | Unchanged |
| Schubert & Co | 2,198 | $914.5K | 0.63% | −55−2.4% | Reduced |
| GAMMA Investing LLC | 2,191 | $911.6K | 0.03% | +176+8.7% | Added |
| Everence Capital Management Inc | 2,190 | $911.0K | 0.05% | 00.0% | Unchanged |
| Sig Brokerage, LP | 2,155 | $896.6K | 0.14% | +2,155 | New |
| Gilpin Wealth Management, LLC | 2,150 | $894.5K | 0.62% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 2,136 | $888.7K | 0.09% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 2,132 | $887.0K | 0.07% | −11−0.5% | Reduced |
| Diversified Trust Co | 2,122 | $882.9K | 0.01% | +2,122 | New |
| WESCAP Management Group, Inc. | 2,119 | $881.6K | 0.16% | −60−2.8% | Reduced |
| Armistice Capital, LLC | 2,104 | $875.4K | 0.02% | +2,104 | New |
| Prelude Capital Management, LLC | 2,089 | $869.1K | 0.06% | −177−7.8% | Reduced |
| Caxton Associates LLP | 2,078 | $864.6K | 0.02% | +2,078 | New |
| Belpointe Asset Management LLC | 2,066 | $859.6K | 0.03% | −53−2.5% | Reduced |
| Fielder Capital Group LLC | 2,038 | $847.9K | 0.18% | −154−7.0% | Reduced |
| Crestwood Advisors Group LLC | 2,030 | $844.6K | 0.01% | +66+3.4% | Added |
| Focus Financial Network, Inc. | 2,020 | $840.4K | 0.03% | +12+0.6% | Added |
| Perigon Wealth Management, LLC | 2,007 | $835.1K | 0.01% | +356+21.6% | Added |
| Vident Advisory, LLC | 2,003 | $833.4K | 0.01% | +653+48.4% | Added |