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 |
|---|---|---|---|---|---|
| Banque Cantonale Vaudoise | 1,925 | $801.0K | 0.03% | +1,266+192.1% | Added |
| Hanlon Investment Management, Inc. | 1,926 | $801.3K | 0.43% | −39−2.0% | Reduced |
| Guyasuta Investment Advisors Inc | 1,930 | $803.0K | 0.04% | 00.0% | Unchanged |
| Index Technologies Group LLC | 1,946 | $809.7K | 0.65% | +184+10.4% | Added |
| Whalen Wealth Management Inc. | 1,951 | $811.7K | 0.37% | +417+27.2% | Added |
| Steward Partners Investment Advisory, LLC | 1,953 | $812.6K | 0.00% | +1,182+153.3% | Added |
| Vise Technologies, Inc. | 1,957 | $814.2K | 0.01% | +790+67.7% | Added |
| Shelton Capital Management | 1,986 | $826.3K | 0.02% | 00.0% | Unchanged |
| Hanseatic Management Services Inc | 1,986 | $826.3K | 0.61% | +251+14.5% | Added |
| Pine Valley Investments Ltd Liability Co | 2,000 | $832.1K | 0.04% | 00.0% | Unchanged |
| Vident Advisory, LLC | 2,003 | $833.4K | 0.01% | +653+48.4% | Added |
| Perigon Wealth Management, LLC | 2,007 | $835.1K | 0.01% | +356+21.6% | Added |
| Focus Financial Network, Inc. | 2,020 | $840.4K | 0.03% | +12+0.6% | Added |
| Crestwood Advisors Group LLC | 2,030 | $844.6K | 0.01% | +66+3.4% | Added |
| Fielder Capital Group LLC | 2,038 | $847.9K | 0.18% | −154−7.0% | Reduced |
| Belpointe Asset Management LLC | 2,066 | $859.6K | 0.03% | −53−2.5% | Reduced |
| Caxton Associates LLP | 2,078 | $864.6K | 0.02% | +2,078 | New |
| Prelude Capital Management, LLC | 2,089 | $869.1K | 0.06% | −177−7.8% | Reduced |
| Armistice Capital, LLC | 2,104 | $875.4K | 0.02% | +2,104 | New |
| WESCAP Management Group, Inc. | 2,119 | $881.6K | 0.16% | −60−2.8% | Reduced |
| Diversified Trust Co | 2,122 | $882.9K | 0.01% | +2,122 | New |
| Linden Thomas Advisory Services, LLC | 2,132 | $887.0K | 0.07% | −11−0.5% | Reduced |
| Stanley-Laman Group, Ltd. | 2,136 | $888.7K | 0.09% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 2,150 | $894.5K | 0.62% | 00.0% | Unchanged |
| Sig Brokerage, LP | 2,155 | $896.6K | 0.14% | +2,155 | New |
| Everence Capital Management Inc | 2,190 | $911.0K | 0.05% | 00.0% | Unchanged |
| GAMMA Investing LLC | 2,191 | $911.6K | 0.03% | +176+8.7% | Added |
| Schubert & Co | 2,198 | $914.5K | 0.63% | −55−2.4% | Reduced |
| Yorktown Management & Research Co Inc | 2,200 | $915.3K | 0.56% | 00.0% | Unchanged |
| Kera Capital Partners, Inc. | 2,215 | $921.6K | 0.09% | +26+1.2% | Added |
| VestGen Advisors, LLC | 2,247 | $934.9K | 0.03% | −6,142−73.2% | Reduced |
| Fifth Third Wealth Advisors LLC | 2,292 | $953.6K | 0.03% | +142+6.6% | Added |
| Warren Averett Asset Management, LLC | 2,311 | $961.5K | 0.01% | +694+42.9% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 2,328 | $968.6K | 0.02% | +2,328 | New |
| Savant Capital, LLC | 2,569 | $970.7K | 0.00% | +1,519+144.7% | Added |
| E. Ohman J:or Asset Management AB | 2,340 | $973.6K | 0.02% | +2,340 | New |
| Spire Wealth Management | 2,352 | $978.6K | 0.03% | +91+4.0% | Added |
| Harbour Investments, Inc. | 2,381 | $990.6K | 0.01% | +693+41.1% | Added |
| Ridge Creek Global, Inc | 2,400 | $998.5K | 0.78% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 2,428 | $1.01M | 0.04% | −280−10.3% | Reduced |
| ProShare Advisors LLC | 2,430 | $1.01M | 0.00% | −30−1.2% | Reduced |
| Sigma Planning Corp | 2,432 | $1.01M | 0.03% | −1,852−43.2% | Reduced |
| Guggenheim Capital LLC | 2,461 | $1.02M | 0.01% | −6,612−72.9% | Reduced |
| Quantitative Investment Management, LLC | 2,496 | $1.04M | 0.11% | +2,496 | New |
| Global Retirement Partners, LLC | 2,496 | $1.04M | 0.02% | +2,496 | New |
| Alyeska Investment Group, L.P. | 2,500 | $1.04M | 0.00% | −84,986−97.1% | Reduced |
| CIBC World Markets Inc. | 2,519 | $1.05M | 0.00% | −14,831−85.5% | Reduced |
| Intrust Bank NA | 2,529 | $1.05M | 0.08% | −75−2.9% | Reduced |
| QRG Capital Management, Inc. | 2,623 | $1.09M | 0.01% | +1,222+87.2% | Added |
| Reliant Investment Partners, LLC | 2,633 | $1.10M | 0.75% | +101+4.0% | Added |
| Krilogy Financial LLC | 2,634 | $1.10M | 0.03% | 00.0% | Unchanged |
| Dorsey & Whitney Trust CO LLC | 2,647 | $1.10M | 0.05% | −1,060−28.6% | Reduced |
| DMG Group, LLC | 2,665 | $1.11M | 0.76% | −310−10.4% | Reduced |
| Castleark Management LLC | 2,690 | $1.12M | 0.03% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 2,770 | $1.15M | 0.02% | +104+3.9% | Added |
| Stratos Wealth Partners, LTD. | 2,792 | $1.16M | 0.01% | −135−4.6% | Reduced |
| BFSG, LLC | 2,793 | $1.16M | 0.10% | +2,793 | New |
| Bull Harbor Capital LLC | 2,801 | $1.17M | 0.23% | −10.0% | Reduced |
| CIBC Bancorp USA Inc. | 2,916 | $1.21M | 0.00% | +1,813+164.4% | Added |
| PVG Asset Management Corp | 2,944 | $1.22M | 0.71% | 00.0% | Unchanged |
| Cetera Trust Company, N.A | 2,960 | $1.23M | 0.62% | +50+1.7% | Added |
| Evolve Private Wealth, LLC | 2,962 | $1.23M | 0.08% | −654−18.1% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 3,000 | $1.25M | 0.58% | −3,000−50.0% | Reduced |
| Bangor Savings Bank | 3,035 | $1.26M | 0.09% | −81−2.6% | Reduced |
| Arkadios Wealth Advisors | 3,043 | $1.27M | 0.02% | −601−16.5% | Reduced |
| HB Wealth Management, LLC | 3,046 | $1.27M | 0.01% | +37+1.2% | Added |
| Element Squared LLC | 3,150 | $1.31M | 0.65% | +3,150 | New |
| GWN Securities Inc. | 3,222 | $1.34M | 0.22% | +95+3.0% | Added |
| Veracity Capital LLC | 3,230 | $1.34M | 0.36% | +3,230 | New |
| Custom Index Systems, LLC | 3,231 | $1.34M | 0.48% | +269+9.1% | Added |
| Utah Retirement Systems | 3,235 | $1.35M | 0.01% | −53−1.6% | Reduced |
| Fairvoy Private Wealth, LLC | 3,342 | $1.39M | 0.28% | +1,299+63.6% | Added |
| Maryland State Retirement & Pension System | 3,352 | $1.39M | 0.02% | +251+8.1% | Added |
| Omers Administration Corp | 3,365 | $1.40M | 0.01% | +3,365 | New |
| Trium Capital LLP | 3,366 | $1.40M | 0.88% | +204+6.5% | Added |
| Vestcor Inc | 3,381 | $1.41M | 0.03% | −819−19.5% | Reduced |
| CWM Advisors, LLC | 3,414 | $1.42M | 0.06% | +3,414 | New |
| Hantz Financial Services, Inc. | 3,444 | $1.43M | 0.02% | +471+15.8% | Added |
| CIBC Asset Management Inc | 3,456 | $1.44M | 0.00% | +1,009+41.2% | Added |
| Allianz SE | 3,486 | $1.45M | 0.02% | +3,486 | New |
| Woodline Partners LP | 3,487 | $1.45M | 0.00% | +3,487 | New |
| Rithm Capital Corp. | 3,500 | $1.46M | 1.79% | 00.0% | Unchanged |
| Interval Partners, LP | 3,506 | $1.46M | 0.05% | +1,320+60.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,342 | $1.48M | 0.01% | +454+15.7% | Added |
| Globeflex Capital L P | 3,574 | $1.49M | 0.19% | +609+20.5% | Added |
| Securian Asset Management, Inc | 4,527 | $1.49M | 0.05% | +6+0.1% | Added |
| Evergreen Capital Management LLC | 3,609 | $1.50M | 0.03% | −70−1.9% | Reduced |
| Coldstream Capital Management Inc | 3,627 | $1.51M | 0.02% | +16+0.4% | Added |
| Turas Capital Management LP | 3,720 | $1.55M | 0.71% | +3,720 | New |
| Claro Advisors LLC | 3,728 | $1.55M | 0.16% | −232−5.9% | Reduced |
| PEAK6 LLC | 3,744 | $1.56M | 0.04% | +368+10.9% | Added |
| Landscape Capital Management, L.L.C. | 3,778 | $1.57M | 0.10% | +1,202+46.7% | Added |
| Groupama Asset Managment | 3,874 | $1.61M | 0.02% | +2,970+328.5% | Added |
| Investment Management Corp of Ontario | 3,880 | $1.61M | 0.02% | +3,880 | New |
| Thoroughbred Financial Services, LLC | 3,941 | $1.64M | 0.08% | +117+3.1% | Added |
| AG2R la Mondiale Gestion D'Actifs | 3,941 | $1.64M | 0.06% | +3,941 | New |
| J. Goldman & Co LP | 3,960 | $1.65M | 0.06% | −31,002−88.7% | Reduced |
| Chesapeake Capital Corp | 3,963 | $1.65M | 0.89% | +558+16.4% | Added |
| Rockefeller Capital Management L.P. | 3,973 | $1.65M | 0.00% | −193−4.6% | Reduced |
| Trexquant Investment LP | 3,994 | $1.66M | 0.01% | −88,118−95.7% | Reduced |