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 |
|---|---|---|---|---|---|
| Colony Group, LLC | 8,603 | $3.58M | 0.00% | −2,062−19.3% | Reduced |
| Brinker Capital Investments, LLC | 8,607 | $3.58M | 0.03% | +7,984+1,281.5% | Added |
| Pacer Advisors, Inc. | 8,617 | $3.58M | 0.01% | −545−5.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 8,701 | $3.62M | 0.03% | +3,260+59.9% | Added |
| Flputnam Investment Management Co | 8,824 | $3.67M | 0.04% | +8,824 | New |
| GWM Advisors LLC | 8,841 | $3.68M | 0.01% | +5,409+157.6% | Added |
| Eurizon Capital SGR S.p.A. | 8,892 | $3.71M | 0.01% | +6,504+272.4% | Added |
| Donoghue Forlines LLC | 8,986 | $3.74M | 0.97% | +8,986 | New |
| Captrust Financial Advisors | 9,026 | $3.76M | 0.01% | +75+0.8% | Added |
| IFP Advisors, Inc | 9,027 | $3.76M | 0.07% | −811−8.2% | Reduced |
| Numerai GP LLC | 9,071 | $3.77M | 0.31% | +953+11.7% | Added |
| British Columbia Investment Management Corp | 9,157 | $3.81M | 0.02% | +9,157 | New |
| Police & Firemen's Retirement System of New Jersey | 9,217 | $3.83M | 0.03% | −17,270−65.2% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 9,255 | $3.85M | 0.03% | +9,255 | New |
| Ritholtz Wealth Management | 9,467 | $3.94M | 0.06% | −957−9.2% | Reduced |
| Moore Capital Management, LP | 9,471 | $3.94M | 0.09% | +9,471 | New |
| Jones Financial Companies LLLP | 10,012 | $3.97M | 0.00% | +4,154+70.9% | Added |
| Leavell Investment Management, Inc. | 9,600 | $3.99M | 0.15% | +300+3.2% | Added |
| Aperture Investors, LLC | 9,816 | $4.08M | 0.43% | −4,987−33.7% | Reduced |
| Altshuler Shaham Ltd | 9,893 | $4.12M | 0.05% | +670+7.3% | Added |
| First National Bank of Omaha | 10,196 | $4.24M | 0.12% | −4,302−29.7% | Reduced |
| Cookson Peirce & Co Inc | 10,324 | $4.30M | 0.14% | +1,061+11.5% | Added |
| First National Advisers, LLC | 10,390 | $4.32M | 0.61% | −3,354−24.4% | Reduced |
| Farrow Financial Inc. | 10,516 | $4.38M | 2.34% | −2,513−19.3% | Reduced |
| Huntleigh Advisors, Inc. | 10,523 | $4.38M | 0.61% | +519+5.2% | Added |
| Voya Investment Management LLC | 10,554 | $4.39M | 0.00% | +4,332+69.6% | Added |
| Mackenzie Financial Corp | 10,674 | $4.44M | 0.00% | +5,593+110.1% | Added |
| Caisse de Depot Et Placement du Quebec | 10,844 | $4.51M | 0.01% | +44+0.4% | Added |
| Illinois Municipal Retirement Fund | 10,952 | $4.56M | 0.05% | −5,569−33.7% | Reduced |
| Jefferies Financial Group Inc. | 11,016 | $4.58M | 0.04% | −15,849−59.0% | Reduced |
| Monument Capital Management | 11,017 | $4.58M | 0.92% | −335−3.0% | Reduced |
| Williamson Legacy Group, LLC | 11,080 | $4.61M | 2.29% | +972+9.6% | Added |
| Oliver Luxxe Assets LLC | 11,121 | $4.63M | 0.68% | −817−6.8% | Reduced |
| Concentric Capital Strategies, LP | 11,180 | $4.65M | 0.29% | +9,979+830.9% | Added |
| Ameritas Investment Partners, Inc. | 11,340 | $4.72M | 0.13% | +40+0.4% | Added |
| Prudential Financial Inc | 11,547 | $4.80M | 0.01% | −6,372−35.6% | Reduced |
| Partners Capital Investment Group, LLP | 11,648 | $4.85M | 0.17% | −6,982−37.5% | Reduced |
| Prevail Innovative Wealth Advisors, LLC | 11,761 | $4.89M | 0.73% | −2,467−17.3% | Reduced |
| WCM Investment Management, LLC | 11,611 | $4.98M | 0.01% | +2,035+21.3% | Added |
| Federation des caisses Desjardins du Quebec | 12,111 | $5.04M | 0.02% | +5,492+83.0% | Added |
| IFM Investors Pty Ltd | 12,326 | $5.13M | 0.03% | +12,326 | New |
| Mitchell Capital Management Co | 12,486 | $5.19M | 0.79% | +12,486 | New |
| Edgestream Partners, L.P. | 12,568 | $5.23M | 0.16% | +12,568 | New |
| NorthCrest Asset Manangement, LLC | 13,665 | $5.26M | 0.14% | −710−4.9% | Reduced |
| New Mexico Educational Retirement Board | 12,700 | $5.28M | 0.13% | +600+5.0% | Added |
| Oregon Public Employees Retirement Fund | 12,741 | $5.30M | 0.06% | +132+1.0% | Added |
| Caption Management, LLC | 13,200 | $5.49M | 0.19% | +13,200 | New |
| PensionDanmark Pensionsforsikringsaktieselskab | 13,229 | $5.50M | 0.05% | +6,400+93.7% | Added |
| US Bancorp | 13,422 | $5.58M | 0.01% | −1,014−7.0% | Reduced |
| CVFG LLC | 13,490 | $5.61M | 0.59% | +13,490 | New |
| Silvant Capital Management LLC | 13,541 | $5.63M | 0.16% | +13,541 | New |
| Hudson Bay Capital Management LP | 13,611 | $5.66M | 0.03% | +2,515+22.7% | Added |
| Fidelis Capital Partners, LLC | 13,660 | $5.68M | 0.33% | +856+6.7% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 13,705 | $5.70M | 0.03% | +13,705 | New |
| Northwestern Mutual Investment Management Company, LLC | 13,861 | $5.77M | 0.07% | +119+0.9% | Added |
| Nisa Investment Advisors, LLC | 14,067 | $5.85M | 0.02% | +12,878+1,083.1% | Added |
| CI Private Wealth, LLC | 14,095 | $5.86M | 0.01% | −740−5.0% | Reduced |
| Kornitzer Capital Management Inc | 14,111 | $5.87M | 0.12% | +14,111 | New |
| New Age Alpha Advisors, LLC | 14,226 | $5.92M | 0.25% | −341−2.3% | Reduced |
| Van Eck Associates Corp | 14,242 | $5.93M | 0.00% | +14,242 | New |
| State of Michigan Retirement System | 14,439 | $6.01M | 0.03% | −300−2.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 14,446 | $6.01M | 0.00% | −138,235−90.5% | Reduced |
| SEB Asset Management AB | 14,458 | $6.02M | 0.02% | +13,123+983.0% | Added |
| Creative Planning | 14,677 | $6.11M | 0.00% | +320+2.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,751 | $6.14M | 0.03% | −617−4.0% | Reduced |
| Thrivent Financial for Lutherans | 14,892 | $6.20M | 0.01% | −2,483−14.3% | Reduced |
| Jupiter Topco LLC | 15,153 | $6.30M | 0.00% | +15,153 | New |
| Campbell Newman Asset Management Inc | 15,966 | $6.64M | 0.49% | −2,190−12.1% | Reduced |
| Bruni J V & Co | 16,125 | $6.71M | 0.61% | −34,520−68.2% | Reduced |
| Xponance, Inc. | 16,541 | $6.88M | 0.04% | +7,054+74.4% | Added |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 16,631 | $6.92M | 1.11% | +3,600+27.6% | Added |
| Bank of Montreal | 16,761 | $6.97M | 0.00% | +701+4.4% | Added |
| RH Tailwind Management, LLC | 17,000 | $7.07M | 3.30% | +17,000 | New |
| Resona Asset Management Co.,Ltd. | 16,901 | $7.07M | 0.03% | +16,379+3,137.7% | Added |
| Hodges Capital Management Inc. | 17,071 | $7.10M | 0.47% | −6,378−27.2% | Reduced |
| Arizona State Retirement System | 17,516 | $7.29M | 0.04% | +170+1.0% | Added |
| Sheets Smith Wealth Management | 17,525 | $7.29M | 0.73% | −881−4.8% | Reduced |
| Yousif Capital Management, LLC | 17,614 | $7.33M | 0.08% | −1,125−6.0% | Reduced |
| Mn Services Vermogensbeheer B.V. | 17,800 | $7.41M | 0.06% | +17,800 | New |
| Louisiana State Employees Retirement System | 18,000 | $7.49M | 0.11% | +200+1.1% | Added |
| Mercer Global Advisors Inc | 18,015 | $7.50M | 0.01% | +1,281+7.7% | Added |
| ING Groep NV | 18,270 | $7.60M | 0.04% | −38,600−67.9% | Reduced |
| Great Lakes Advisors, LLC | 18,339 | $7.63M | 0.06% | −27,577−60.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,962 | $7.89M | 0.05% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 18,971 | $7.89M | 0.01% | −5,198−21.5% | Reduced |
| Scalar Gauge Management, LLC | 19,000 | $7.91M | 4.36% | +19,000 | New |
| Capitolis Liquid Global Markets LLC | 19,000 | $7.91M | 0.03% | +19,000 | New |
| Walleye Capital LLC | 19,475 | $8.10M | 0.04% | −39,707−67.1% | Reduced |
| LMR Partners LLP | 19,503 | $8.11M | 0.06% | −21,593−52.5% | Reduced |
| Gables Capital Management Inc. | 19,569 | $8.14M | 2.94% | −700−3.5% | Reduced |
| DnB Asset Management AS | 19,591 | $8.15M | 0.02% | +8,093+70.4% | Added |
| Nykredit A/S | 19,676 | $8.19M | 0.03% | +19,676 | New |
| American Century Companies Inc | 19,679 | $8.19M | 0.00% | +2,150+12.3% | Added |
| Pathstone Holdings, LLC | 19,716 | $8.20M | 0.02% | −1,263−6.0% | Reduced |
| Paradigm Financial Partners, LLC | 19,825 | $8.25M | 0.75% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 19,935 | $8.29M | 0.03% | −651−3.2% | Reduced |
| Bouvel Investment Partners, LLC | 20,308 | $8.45M | 1.91% | +39+0.2% | Added |
| Union Bancaire Privee, UBP SA | 23,412 | $8.53M | 0.13% | +1,562+7.1% | Added |
| Handelsbanken Fonder AB | 20,560 | $8.55M | 0.02% | −440−2.1% | Reduced |
| Nomura Asset Management Co Ltd | 20,680 | $8.60M | 0.02% | +20,334+5,876.9% | Added |