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 2021
Institutional positions in Mastec Inc as of Jun 30, 2021. 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
- 415
- +25 vs. Q1 2021
- Shares held
- 54.4M
- −5.29M (−8.9%) vs. Q1 2021
- Total value
- $5.77B
- +$182.6M (+3.3%) vs. Q1 2021
- New holders
- 66
- 114 more added
- Sold out
- 41
- 176 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pzena Investment Management LLC | 660,835 | $70.1M | 0.27% | −279,391−29.7% | Reduced |
| Electron Capital Partners, LLC | 684,712 | $72.6M | 4.50% | −22,363−3.2% | Reduced |
| Geode Capital Management, LLC | 685,458 | $72.7M | 0.01% | −260,225−27.5% | Reduced |
| American Century Companies Inc | 704,578 | $74.8M | 0.05% | +513,239+268.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 1,041,018 | $110.5M | 0.72% | −172,735−14.2% | Reduced |
| Frontier Capital Management Co LLC | 1,120,466 | $118.9M | 0.87% | −345,832−23.6% | Reduced |
| State Street Corp | 1,406,422 | $149.2M | 0.01% | −281,645−16.7% | Reduced |
| Nordea Investment Management AB | 1,677,445 | $178.0M | 0.24% | −94,347−5.3% | Reduced |
| LSV Asset Management | 1,854,631 | $196.8M | 0.33% | −280,451−13.1% | Reduced |
| Wells Fargo & Company | 1,968,852 | $208.9M | 0.05% | −52,936−2.6% | Reduced |
| Dimensional Fund Advisors LP | 2,897,063 | $307.4M | 0.10% | −22,036−0.8% | Reduced |
| Macquarie Group Ltd | 3,041,742 | $322.7M | 0.27% | −731,487−19.4% | Reduced |
| FMR LLC | 4,731,700 | $502.0M | 0.04% | +4,102,967+652.6% | Added |
| Vanguard Group Inc | 5,195,296 | $551.2M | 0.01% | −296,036−5.4% | Reduced |
| BlackRock Inc. | 5,372,797 | $570.1M | 0.02% | −2,141,233−28.5% | Reduced |
| Boston Partners | 0 | $0 | 0.00% | −2,177,579−100.0% | Sold out |
| Encompass Capital Advisors LLC | 0 | $0 | 0.00% | −125,342−100.0% | Sold out |
| Rothschild & Co Asset Management US Inc. | 0 | $0 | 0.00% | −121,885−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −112,000−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −61,609−100.0% | Sold out |
| B. Metzler seel. Sohn & Co. Holding AG | 0 | $0 | 0.00% | −47,152−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −32,991−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −32,900−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −30,700−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −28,468−100.0% | Sold out |
| Thames Capital Management LLC | 0 | $0 | 0.00% | −27,071−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −26,244−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −14,163−100.0% | Sold out |
| AMP Capital Investors Ltd | 0 | $0 | 0.00% | −13,748−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −13,113−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −11,312−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −9,884−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −7,377−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −7,021−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −6,056−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −4,748−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −2,498−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −2,348−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −863−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −1,050−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −572−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −581−100.0% | Sold out |
| City Holding Co | 0 | $0 | 0.00% | −449−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −353−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −310−100.0% | Sold out |
| Grandview Asset Management LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Glen Eagle Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| RBA Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Pillar Pacific Capital Management LLC | – | – | – | – | Not filed |
| Narus Financial Partners, LLC | – | – | – | – | Not filed |