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 $24.8B 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 | $24.8B |
| Q1 2026 | 811 | $18.6B |
| Q4 2025 | 695 | $12.8B |
| Q3 2025 | 652 | $12.2B |
| Q2 2025 | 594 | $9.52B |
| Q1 2025 | 523 | $6.57B |
| Q4 2024 | 532 | $7.89B |
| Q3 2024 | 470 | $7.16B |
| Q2 2024 | 430 | $6.41B |
| Q1 2024 | 382 | $5.66B |
| Q4 2023 | 368 | $4.76B |
| Q3 2023 | 382 | $4.11B |
| Q2 2023 | 393 | $6.85B |
| Q1 2023 | 394 | $5.55B |
| Q4 2022 | 386 | $4.98B |
| Q3 2022 | 338 | $3.54B |
| Q2 2022 | 356 | $3.91B |
| Q1 2022 | 388 | $4.74B |
| Q4 2021 | 388 | $4.78B |
| Q3 2021 | 366 | $4.53B |
| Q2 2021 | 415 | $5.78B |
| 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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,372,797 | $570.1M | 0.02% | −2,141,233−28.5% | Reduced |
| Vanguard Group Inc | 5,195,296 | $551.2M | 0.01% | −296,036−5.4% | Reduced |
| FMR LLC | 4,731,700 | $502.0M | 0.04% | +4,102,967+652.6% | Added |
| Macquarie Group Ltd | 3,041,742 | $322.7M | 0.27% | −731,487−19.4% | Reduced |
| Dimensional Fund Advisors LP | 2,897,063 | $307.4M | 0.10% | −22,036−0.8% | Reduced |
| Wells Fargo & Company | 1,968,852 | $208.9M | 0.05% | −52,936−2.6% | Reduced |
| LSV Asset Management | 1,854,631 | $196.8M | 0.33% | −280,451−13.1% | Reduced |
| Nordea Investment Management AB | 1,677,445 | $178.0M | 0.24% | −94,347−5.3% | Reduced |
| State Street Corp | 1,406,422 | $149.2M | 0.01% | −281,645−16.7% | Reduced |
| Frontier Capital Management Co LLC | 1,120,466 | $118.9M | 0.87% | −345,832−23.6% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,041,018 | $110.5M | 0.72% | −172,735−14.2% | Reduced |
| American Century Companies Inc | 704,578 | $74.8M | 0.05% | +513,239+268.2% | Added |
| Geode Capital Management, LLC | 685,458 | $72.7M | 0.01% | −260,225−27.5% | Reduced |
| Electron Capital Partners, LLC | 684,712 | $72.6M | 4.50% | −22,363−3.2% | Reduced |
| Pzena Investment Management LLC | 660,835 | $70.1M | 0.27% | −279,391−29.7% | Reduced |
| Hood River Capital Management LLC | 651,561 | $69.1M | 2.06% | −71,601−9.9% | Reduced |
| JPMorgan Chase & Co | 603,835 | $64.1M | 0.01% | −130,900−17.8% | Reduced |
| Millennium Management LLC | 600,701 | $63.7M | 0.08% | +524,090+684.1% | Added |
| Bank of New York Mellon Corp | 560,033 | $59.4M | 0.01% | −111,631−16.6% | Reduced |
| Norges Bank | 553,769 | $58.8M | 0.01% | −112,962−16.9% | Reduced |
| Northern Trust Corp | 492,455 | $52.2M | 0.01% | −486,179−49.7% | Reduced |
| Invesco Ltd. | 487,209 | $51.7M | 0.01% | +331,795+213.5% | Added |
| Envestnet Asset Management Inc | 484,611 | $51.4M | 0.03% | +42,711+9.7% | Added |
| Charles Schwab Investment Management Inc | 460,568 | $48.9M | 0.02% | −109,436−19.2% | Reduced |
| Credit Suisse AG | 456,411 | $48.0M | 0.04% | −62,833−12.1% | Reduced |
| Kornitzer Capital Management Inc | 449,980 | $47.7M | 0.72% | −62,525−12.2% | Reduced |
| Ameriprise Financial Inc | 431,875 | $45.8M | 0.01% | −110,696−20.4% | Reduced |
| Handelsbanken Fonder AB | 393,200 | $41.7M | 0.22% | −124,800−24.1% | Reduced |
| DnB Asset Management AS | 373,122 | $39.6M | 0.26% | −132,472−26.2% | Reduced |
| Bank of America Corp | 369,954 | $39.3M | 0.00% | −176,090−32.2% | Reduced |
| Morgan Stanley | 363,864 | $38.6M | 0.01% | +102,619+39.3% | Added |
| UBS Asset Management Americas Inc | 358,731 | $38.1M | 0.02% | +6,464+1.8% | Added |
| Goldman Sachs Group Inc | 350,726 | $37.2M | 0.01% | −973,935−73.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 311,987 | $33.1M | 0.09% | +110,416+54.8% | Added |
| Citadel Advisors LLC | 282,923 | $30.0M | 0.03% | +282,923 | New |
| Peconic Partners LLC | 276,521 | $29.3M | 2.94% | −150,036−35.2% | Reduced |
| Glenmede Trust Co NA | 256,262 | $27.2M | 0.14% | −592−0.2% | Reduced |
| Truist Financial Corp | 249,240 | $26.4M | 0.04% | −12,356−4.7% | Reduced |
| Bruni J V & Co | 232,933 | $24.7M | 3.13% | −7,523−3.1% | Reduced |
| Prudential PLC | 225,625 | $23.9M | 0.22% | −535,250−70.3% | Reduced |
| Voloridge Investment Management, LLC | 214,166 | $22.7M | 0.16% | +22,902+12.0% | Added |
| Standard Life Aberdeen plc | 210,905 | $22.4M | 0.05% | +18,732+9.7% | Added |
| Renaissance Technologies LLC | 210,100 | $22.3M | 0.03% | +31,000+17.3% | Added |
| Parametric Portfolio Associates LLC | 199,443 | $21.2M | 0.01% | −2,049−1.0% | Reduced |
| Principal Financial Group Inc | 196,429 | $20.8M | 0.01% | +105+0.1% | Added |
| Kirr Marbach & Co LLC | 191,131 | $20.3M | 5.77% | −10,360−5.1% | Reduced |
| Agf Investments Inc. | 180,000 | $19.1M | 0.14% | +30,000+20.0% | Added |
| Candriam Luxembourg S.C.A. | 177,548 | $18.8M | 0.13% | +177,548 | New |
| Bragg Financial Advisors, Inc | 169,097 | $17.9M | 1.15% | −835−0.5% | Reduced |
| Rhumbline Advisers | 166,638 | $17.7M | 0.02% | −22,413−11.9% | Reduced |
| South Street Advisors LLC | 161,338 | $17.1M | 3.18% | +161,338 | New |
| Retirement Systems of Alabama | 155,004 | $16.4M | 0.06% | −26,057−14.4% | Reduced |
| HRT Financial LP | 154,111 | $16.4M | 0.15% | +154,111 | New |
| First Trust Advisors LP | 140,649 | $14.9M | 0.02% | +11,714+9.1% | Added |
| Ergoteles LLC | 139,907 | $14.8M | 0.34% | +139,907 | New |
| Zacks Investment Management | 138,358 | $14.7M | 0.24% | +3,620+2.7% | Added |
| Alliancebernstein L.P. | 137,099 | $14.5M | 0.01% | −71,062−34.1% | Reduced |
| Nuveen Asset Management, LLC | 134,447 | $14.3M | 0.00% | −155,639−53.7% | Reduced |
| Swiss National Bank | 130,900 | $13.9M | 0.01% | −4,100−3.0% | Reduced |
| California Public Employees Retirement System | 130,653 | $13.9M | 0.01% | −2,480−1.9% | Reduced |
| Muhlenkamp & Co Inc | 129,175 | $13.7M | 5.03% | +541+0.4% | Added |
| Balyasny Asset Management LLC | 122,309 | $13.0M | 0.07% | −85,514−41.1% | Reduced |
| Assenagon Asset Management S.A. | 121,242 | $12.9M | 0.06% | +121,242 | New |
| Jane Street Group, LLC | 119,268 | $12.7M | 0.03% | +111,291+1,395.1% | Added |
| James Investment Research Inc | 117,909 | $12.5M | 1.07% | −10,715−8.3% | Reduced |
| UBS Group AG | 113,920 | $12.1M | 0.01% | −1,799−1.6% | Reduced |
| Deutsche Bank AG | 113,132 | $12.0M | 0.01% | −18,560−14.1% | Reduced |
| Handelsinvest Investeringsforvaltning | 110,000 | $11.7M | 1.30% | −40,000−26.7% | Reduced |
| Squarepoint Ops LLC | 109,591 | $11.6M | 0.08% | +42,644+63.7% | Added |
| Manufacturers Life Insurance Company, The | 108,588 | $11.5M | 0.01% | +10,794+11.0% | Added |
| Community Trust & Investment Co | 102,041 | $10.8M | 0.99% | −560−0.5% | Reduced |
| Cubist Systematic Strategies, LLC | 101,361 | $10.8M | 0.12% | −1,133−1.1% | Reduced |
| American International Group, Inc. | 100,323 | $10.6M | 0.04% | −34,256−25.5% | Reduced |
| Billings Capital Management, LLC | 98,345 | $10.4M | 13.26% | −105,880−51.8% | Reduced |
| Carmignac Gestion | 97,721 | $10.4M | 0.12% | −23,359−19.3% | Reduced |
| Susquehanna International Group, LLP | 96,786 | $10.3M | 0.01% | +96,786 | New |
| UBS Oconnor LLC | 96,467 | $10.2M | 0.09% | −70,431−42.2% | Reduced |
| California State Teachers Retirement System | 95,912 | $10.2M | 0.01% | +9,963+11.6% | Added |
| Baird Financial Group, Inc. | 93,121 | $9.88M | 0.03% | +74,760+407.2% | Added |
| First National Bank of Omaha | 101,358 | $9.50M | 0.50% | 00.0% | Unchanged |
| Legal & General Group Plc | 84,385 | $8.95M | 0.00% | −17,391−17.1% | Reduced |
| Foundry Partners, LLC | 82,435 | $8.75M | 0.30% | −86,188−51.1% | Reduced |
| D. E. Shaw & Co., Inc. | 82,279 | $8.73M | 0.01% | +82,279 | New |
| Man Group plc | 80,356 | $8.53M | 0.03% | +34,740+76.2% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 79,815 | $8.47M | 0.75% | −12,384−13.4% | Reduced |
| Brookfield Asset Management Inc. | 78,927 | $8.37M | 0.04% | +78,927 | New |
| AQR Capital Management LLC | 77,537 | $8.19M | 0.01% | +39,053+101.5% | Added |
| New York State Common Retirement Fund | 75,941 | $8.06M | 0.01% | +1,152+1.5% | Added |
| Rockefeller Capital Management L.P. | 75,294 | $7.99M | 0.04% | +23,040+44.1% | Added |
| Barclays PLC | 73,588 | $7.81M | 0.01% | −728,363−90.8% | Reduced |
| Scopus Asset Management, L.P. | 72,463 | $7.69M | 0.13% | −68,814−48.7% | Reduced |
| First Washington CORP | 69,990 | $7.43M | 2.77% | 00.0% | Unchanged |
| Royal Bank of Canada | 68,442 | $7.26M | 0.00% | +4,413+6.9% | Added |
| SIR Capital Management, L.P. | 67,280 | $7.14M | 1.06% | −6,700−9.1% | Reduced |
| Thomas J. Herzfeld Advisors, Inc. | 66,874 | $7.09M | 2.96% | −5,000−7.0% | Reduced |
| Picton Mahoney Asset Management | 63,026 | $6.69M | 0.24% | −4,739−7.0% | Reduced |
| Lisanti Capital Growth, LLC | 62,605 | $6.64M | 0.82% | −54,045−46.3% | Reduced |
| Russell Investments Group, Ltd. | 60,429 | $6.41M | 0.01% | −66,078−52.2% | Reduced |
| Profit Investment Management, LLC | 58,791 | $6.24M | 3.30% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 56,416 | $5.99M | 0.30% | +27,126+92.6% | Added |