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, Q3 2021
Institutional positions in Mastec Inc as of Sep 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
- 366
- −43 vs. Q2 2021
- Shares held
- 52.4M
- −1.96M (−3.6%) vs. Q2 2021
- Total value
- $4.53B
- −$1.24B (−21.5%) vs. Q2 2021
- New holders
- 36
- 134 more added
- Sold out
- 79
- 132 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,216,800 | $450.1M | 0.01% | −155,997−2.9% | Reduced |
| Vanguard Group Inc | 5,116,567 | $441.5M | 0.01% | −78,729−1.5% | Reduced |
| Macquarie Group Ltd | 3,005,800 | $259.3M | 0.22% | −35,942−1.2% | Reduced |
| Dimensional Fund Advisors LP | 2,846,482 | $245.6M | 0.08% | −50,581−1.7% | Reduced |
| Wells Fargo & Company | 2,743,490 | $236.7M | 0.05% | +774,638+39.3% | Added |
| Nordea Investment Management AB | 2,353,945 | $208.2M | 0.27% | +676,500+40.3% | Added |
| FMR LLC | 2,367,650 | $204.3M | 0.02% | −2,364,050−50.0% | Reduced |
| State Street Corp | 1,413,443 | $122.0M | 0.01% | +7,021+0.5% | Added |
| Frontier Capital Management Co LLC | 1,019,009 | $87.9M | 0.69% | −101,457−9.1% | Reduced |
| LSV Asset Management | 946,952 | $81.7M | 0.15% | −907,679−48.9% | Reduced |
| Peconic Partners LLC | 859,139 | $74.1M | 6.58% | +582,618+210.7% | Added |
| Citadel Advisors LLC | 859,104 | $74.1M | 0.08% | +576,181+203.7% | Added |
| Electron Capital Partners, LLC | 843,562 | $72.8M | 3.98% | +158,850+23.2% | Added |
| Hood River Capital Management LLC | 828,974 | $71.5M | 2.21% | +177,413+27.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 809,788 | $69.9M | 0.45% | −231,230−22.2% | Reduced |
| Geode Capital Management, LLC | 697,009 | $60.1M | 0.01% | +11,551+1.7% | Added |
| Goldman Sachs Group Inc | 663,800 | $57.3M | 0.01% | +313,074+89.3% | Added |
| Pzena Investment Management LLC | 656,960 | $56.7M | 0.22% | −3,875−0.6% | Reduced |
| Bank of New York Mellon Corp | 557,595 | $48.1M | 0.01% | −2,438−0.4% | Reduced |
| Norges Bank | 542,238 | $46.8M | 0.01% | −11,531−2.1% | Reduced |
| Handelsbanken Fonder AB | 530,900 | $45.8M | 0.24% | +137,700+35.0% | Added |
| Millennium Management LLC | 522,499 | $45.1M | 0.06% | −78,202−13.0% | Reduced |
| JPMorgan Chase & Co | 510,475 | $44.0M | 0.01% | −93,360−15.5% | Reduced |
| Kornitzer Capital Management Inc | 502,275 | $43.3M | 0.66% | +52,295+11.6% | Added |
| Morgan Stanley | 498,097 | $43.0M | 0.01% | +134,233+36.9% | Added |
| Northern Trust Corp | 491,226 | $42.4M | 0.01% | −1,229−0.2% | Reduced |
| Charles Schwab Investment Management Inc | 473,523 | $40.9M | 0.01% | +12,955+2.8% | Added |
| Bank of America Corp | 401,137 | $34.6M | 0.00% | +31,183+8.4% | Added |
| Invesco Ltd. | 383,933 | $33.1M | 0.01% | −103,276−21.2% | Reduced |
| DnB Asset Management AS | 381,432 | $32.9M | 0.21% | +8,310+2.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 371,855 | $32.1M | 0.08% | +59,868+19.2% | Added |
| Credit Suisse AG | 364,693 | $31.5M | 0.03% | −91,718−20.1% | Reduced |
| UBS Asset Management Americas Inc | 364,131 | $31.4M | 0.01% | +5,400+1.5% | Added |
| American Century Companies Inc | 336,793 | $29.1M | 0.02% | −367,785−52.2% | Reduced |
| Candriam Luxembourg S.C.A. | 309,193 | $26.7M | 0.18% | +131,645+74.1% | Added |
| First Trust Advisors LP | 294,499 | $25.4M | 0.03% | +153,850+109.4% | Added |
| Renaissance Technologies LLC | 254,700 | $22.0M | 0.03% | +44,600+21.2% | Added |
| Glenmede Trust Co NA | 252,802 | $21.8M | 0.11% | −3,460−1.4% | Reduced |
| Truist Financial Corp | 247,426 | $21.3M | 0.04% | −1,814−0.7% | Reduced |
| Assenagon Asset Management S.A. | 241,386 | $20.8M | 0.09% | +120,144+99.1% | Added |
| Ameriprise Financial Inc | 234,801 | $20.3M | 0.01% | −197,074−45.6% | Reduced |
| Bruni J V & Co | 232,317 | $20.0M | 2.62% | −616−0.3% | Reduced |
| Principal Financial Group Inc | 197,729 | $17.1M | 0.01% | +1,300+0.7% | Added |
| Voloridge Investment Management, LLC | 191,041 | $16.5M | 0.11% | −23,125−10.8% | Reduced |
| Kirr Marbach & Co LLC | 184,683 | $15.9M | 4.67% | −6,448−3.4% | Reduced |
| Agf Investments Inc. | 180,110 | $15.5M | 0.12% | +110+0.1% | Added |
| Nuveen Asset Management, LLC | 171,534 | $14.8M | 0.00% | +37,087+27.6% | Added |
| Bragg Financial Advisors, Inc | 169,230 | $14.6M | 0.94% | +133+0.1% | Added |
| Man Group plc | 169,136 | $14.6M | 0.05% | +88,780+110.5% | Added |
| Allianz Asset Management GmbH | 168,226 | $14.5M | 0.01% | +134,268+395.4% | Added |
| UBS Oconnor LLC | 163,235 | $14.1M | 0.12% | +66,768+69.2% | Added |
| Rhumbline Advisers | 161,877 | $14.0M | 0.02% | −4,761−2.9% | Reduced |
| Retirement Systems of Alabama | 160,016 | $13.8M | 0.05% | +5,012+3.2% | Added |
| AQR Capital Management LLC | 151,823 | $13.1M | 0.02% | +74,286+95.8% | Added |
| Zacks Investment Management | 140,150 | $12.1M | 0.19% | +1,792+1.3% | Added |
| D. E. Shaw & Co., Inc. | 139,144 | $12.0M | 0.02% | +56,865+69.1% | Added |
| Two Sigma Investments, LP | 137,540 | $11.9M | 0.03% | +137,540 | New |
| South Street Advisors LLC | 136,385 | $11.8M | 2.25% | −24,953−15.5% | Reduced |
| Swiss National Bank | 131,400 | $11.3M | 0.01% | +500+0.4% | Added |
| Alliancebernstein L.P. | 130,726 | $11.3M | 0.00% | −6,373−4.6% | Reduced |
| California Public Employees Retirement System | 129,783 | $11.2M | 0.01% | −870−0.7% | Reduced |
| Muhlenkamp & Co Inc | 128,634 | $11.1M | 4.26% | −541−0.4% | Reduced |
| Handelsinvest Investeringsforvaltning | 120,000 | $10.4M | 1.13% | +10,000+9.1% | Added |
| Nomura Holdings Inc | 114,900 | $10.2M | 0.08% | +114,900 | New |
| DekaBank Deutsche Girozentrale | 114,000 | $10.1M | 0.03% | +114,000 | New |
| Manufacturers Life Insurance Company, The | 108,899 | $9.39M | 0.01% | +311+0.3% | Added |
| UBS Group AG | 108,508 | $9.36M | 0.00% | −5,412−4.8% | Reduced |
| Moore Capital Management, LP | 108,460 | $9.36M | 0.19% | +52,318+93.2% | Added |
| Balyasny Asset Management LLC | 108,171 | $9.33M | 0.04% | −14,138−11.6% | Reduced |
| Community Trust & Investment Co | 107,028 | $9.23M | 0.77% | +4,987+4.9% | Added |
| Rheos Capital Works Inc. | 100,000 | $8.63M | 0.44% | +100,000 | New |
| American International Group, Inc. | 98,538 | $8.50M | 0.05% | −1,785−1.8% | Reduced |
| Carmignac Gestion | 97,721 | $8.43M | 0.11% | 00.0% | Unchanged |
| California State Teachers Retirement System | 97,535 | $8.41M | 0.01% | +1,623+1.7% | Added |
| Scopus Asset Management, L.P. | 93,473 | $8.06M | 0.20% | +21,010+29.0% | Added |
| Parametric Portfolio Associates LLC | 92,901 | $8.02M | 0.00% | −106,542−53.4% | Reduced |
| New York State Common Retirement Fund | 92,591 | $7.99M | 0.01% | +16,650+21.9% | Added |
| Rockefeller Capital Management L.P. | 92,138 | $7.95M | 0.04% | +16,844+22.4% | Added |
| Billings Capital Management, LLC | 84,410 | $7.28M | 9.77% | −13,935−14.2% | Reduced |
| Legal & General Group Plc | 83,062 | $7.17M | 0.00% | −1,323−1.6% | Reduced |
| Foundry Partners, LLC | 78,682 | $6.79M | 0.24% | −3,753−4.6% | Reduced |
| Deutsche Bank AG | 78,152 | $6.74M | 0.00% | −34,980−30.9% | Reduced |
| Squarepoint Ops LLC | 77,908 | $6.72M | 0.05% | −31,683−28.9% | Reduced |
| Daiwa Securities Group Inc. | 77,600 | $6.70M | 0.04% | +32,100+70.5% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 71,886 | $6.20M | 0.62% | −7,929−9.9% | Reduced |
| First Washington CORP | 70,400 | $6.07M | 2.21% | +410+0.6% | Added |
| Cubist Systematic Strategies, LLC | 68,727 | $5.93M | 0.07% | −32,634−32.2% | Reduced |
| Picton Mahoney Asset Management | 68,501 | $5.91M | 0.23% | +5,475+8.7% | Added |
| ExodusPoint Capital Management, LP | 67,715 | $5.84M | 0.09% | +20,539+43.5% | Added |
| First National Bank of Omaha | 67,663 | $5.84M | 0.30% | −33,695−33.2% | Reduced |
| SIR Capital Management, L.P. | 67,280 | $5.80M | 0.85% | 00.0% | Unchanged |
| Thomas J. Herzfeld Advisors, Inc. | 66,874 | $5.77M | 2.55% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 61,690 | $5.32M | 0.01% | +11,835+23.7% | Added |
| Barclays PLC | 61,550 | $5.31M | 0.00% | −12,038−16.4% | Reduced |
| Baird Financial Group, Inc. | 61,330 | $5.29M | 0.01% | −31,791−34.1% | Reduced |
| James Investment Research Inc | 61,231 | $5.28M | 0.49% | −56,678−48.1% | Reduced |
| Brookfield Asset Management Inc. | 60,084 | $5.18M | 0.02% | −18,843−23.9% | Reduced |
| Duality Advisers, LP | 58,448 | $5.04M | 0.39% | +18,392+45.9% | Added |
| Asset Management One Co.,Ltd. | 56,713 | $4.89M | 0.02% | +4,695+9.0% | Added |
| Royal Bank of Canada | 55,078 | $4.75M | 0.00% | −13,364−19.5% | Reduced |