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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 108,899 | $9.39M | 0.01% | +311+0.3% | Added |
| DekaBank Deutsche Girozentrale | 114,000 | $10.1M | 0.03% | +114,000 | New |
| Nomura Holdings Inc | 114,900 | $10.2M | 0.08% | +114,900 | New |
| Handelsinvest Investeringsforvaltning | 120,000 | $10.4M | 1.13% | +10,000+9.1% | Added |
| Muhlenkamp & Co Inc | 128,634 | $11.1M | 4.26% | −541−0.4% | Reduced |
| California Public Employees Retirement System | 129,783 | $11.2M | 0.01% | −870−0.7% | Reduced |
| Alliancebernstein L.P. | 130,726 | $11.3M | 0.00% | −6,373−4.6% | Reduced |
| Swiss National Bank | 131,400 | $11.3M | 0.01% | +500+0.4% | Added |
| South Street Advisors LLC | 136,385 | $11.8M | 2.25% | −24,953−15.5% | Reduced |
| Two Sigma Investments, LP | 137,540 | $11.9M | 0.03% | +137,540 | New |
| D. E. Shaw & Co., Inc. | 139,144 | $12.0M | 0.02% | +56,865+69.1% | Added |
| Zacks Investment Management | 140,150 | $12.1M | 0.19% | +1,792+1.3% | Added |
| AQR Capital Management LLC | 151,823 | $13.1M | 0.02% | +74,286+95.8% | Added |
| Retirement Systems of Alabama | 160,016 | $13.8M | 0.05% | +5,012+3.2% | Added |
| Rhumbline Advisers | 161,877 | $14.0M | 0.02% | −4,761−2.9% | Reduced |
| UBS Oconnor LLC | 163,235 | $14.1M | 0.12% | +66,768+69.2% | Added |
| Allianz Asset Management GmbH | 168,226 | $14.5M | 0.01% | +134,268+395.4% | Added |
| Man Group plc | 169,136 | $14.6M | 0.05% | +88,780+110.5% | Added |
| Bragg Financial Advisors, Inc | 169,230 | $14.6M | 0.94% | +133+0.1% | Added |
| Nuveen Asset Management, LLC | 171,534 | $14.8M | 0.00% | +37,087+27.6% | Added |
| Agf Investments Inc. | 180,110 | $15.5M | 0.12% | +110+0.1% | Added |
| Kirr Marbach & Co LLC | 184,683 | $15.9M | 4.67% | −6,448−3.4% | Reduced |
| Voloridge Investment Management, LLC | 191,041 | $16.5M | 0.11% | −23,125−10.8% | Reduced |
| Principal Financial Group Inc | 197,729 | $17.1M | 0.01% | +1,300+0.7% | Added |
| Bruni J V & Co | 232,317 | $20.0M | 2.62% | −616−0.3% | Reduced |
| Ameriprise Financial Inc | 234,801 | $20.3M | 0.01% | −197,074−45.6% | Reduced |
| Assenagon Asset Management S.A. | 241,386 | $20.8M | 0.09% | +120,144+99.1% | Added |
| Truist Financial Corp | 247,426 | $21.3M | 0.04% | −1,814−0.7% | Reduced |
| Glenmede Trust Co NA | 252,802 | $21.8M | 0.11% | −3,460−1.4% | Reduced |
| Renaissance Technologies LLC | 254,700 | $22.0M | 0.03% | +44,600+21.2% | Added |
| First Trust Advisors LP | 294,499 | $25.4M | 0.03% | +153,850+109.4% | Added |
| Candriam Luxembourg S.C.A. | 309,193 | $26.7M | 0.18% | +131,645+74.1% | Added |
| American Century Companies Inc | 336,793 | $29.1M | 0.02% | −367,785−52.2% | Reduced |
| UBS Asset Management Americas Inc | 364,131 | $31.4M | 0.01% | +5,400+1.5% | Added |
| Credit Suisse AG | 364,693 | $31.5M | 0.03% | −91,718−20.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 371,855 | $32.1M | 0.08% | +59,868+19.2% | Added |
| DnB Asset Management AS | 381,432 | $32.9M | 0.21% | +8,310+2.2% | Added |
| Invesco Ltd. | 383,933 | $33.1M | 0.01% | −103,276−21.2% | Reduced |
| Bank of America Corp | 401,137 | $34.6M | 0.00% | +31,183+8.4% | Added |
| Charles Schwab Investment Management Inc | 473,523 | $40.9M | 0.01% | +12,955+2.8% | Added |
| Northern Trust Corp | 491,226 | $42.4M | 0.01% | −1,229−0.2% | Reduced |
| Morgan Stanley | 498,097 | $43.0M | 0.01% | +134,233+36.9% | Added |
| Kornitzer Capital Management Inc | 502,275 | $43.3M | 0.66% | +52,295+11.6% | Added |
| JPMorgan Chase & Co | 510,475 | $44.0M | 0.01% | −93,360−15.5% | Reduced |
| Millennium Management LLC | 522,499 | $45.1M | 0.06% | −78,202−13.0% | Reduced |
| Handelsbanken Fonder AB | 530,900 | $45.8M | 0.24% | +137,700+35.0% | Added |
| Norges Bank | 542,238 | $46.8M | 0.01% | −11,531−2.1% | Reduced |
| Bank of New York Mellon Corp | 557,595 | $48.1M | 0.01% | −2,438−0.4% | Reduced |
| Pzena Investment Management LLC | 656,960 | $56.7M | 0.22% | −3,875−0.6% | Reduced |
| Goldman Sachs Group Inc | 663,800 | $57.3M | 0.01% | +313,074+89.3% | Added |
| Geode Capital Management, LLC | 697,009 | $60.1M | 0.01% | +11,551+1.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 809,788 | $69.9M | 0.45% | −231,230−22.2% | Reduced |
| Hood River Capital Management LLC | 828,974 | $71.5M | 2.21% | +177,413+27.2% | Added |
| Electron Capital Partners, LLC | 843,562 | $72.8M | 3.98% | +158,850+23.2% | Added |
| Citadel Advisors LLC | 859,104 | $74.1M | 0.08% | +576,181+203.7% | Added |
| Peconic Partners LLC | 859,139 | $74.1M | 6.58% | +582,618+210.7% | Added |
| LSV Asset Management | 946,952 | $81.7M | 0.15% | −907,679−48.9% | Reduced |
| Frontier Capital Management Co LLC | 1,019,009 | $87.9M | 0.69% | −101,457−9.1% | Reduced |
| State Street Corp | 1,413,443 | $122.0M | 0.01% | +7,021+0.5% | Added |
| FMR LLC | 2,367,650 | $204.3M | 0.02% | −2,364,050−50.0% | Reduced |
| Nordea Investment Management AB | 2,353,945 | $208.2M | 0.27% | +676,500+40.3% | Added |
| Wells Fargo & Company | 2,743,490 | $236.7M | 0.05% | +774,638+39.3% | Added |
| Dimensional Fund Advisors LP | 2,846,482 | $245.6M | 0.08% | −50,581−1.7% | Reduced |
| Macquarie Group Ltd | 3,005,800 | $259.3M | 0.22% | −35,942−1.2% | Reduced |
| Vanguard Group Inc | 5,116,567 | $441.5M | 0.01% | −78,729−1.5% | Reduced |
| BlackRock Inc. | 5,216,800 | $450.1M | 0.01% | −155,997−2.9% | Reduced |
| Prudential PLC | 0 | $0 | 0.00% | −225,625−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −139,907−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −62,605−100.0% | Sold out |
| Snowden Capital Advisors LLC | 0 | $0 | 0.00% | −56,416−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −51,450−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −42,500−100.0% | Sold out |
| Storebrand Asset Management AS | 0 | $0 | 0.00% | −42,405−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Cambria Investment Management, L.P. | 0 | $0 | 0.00% | −36,202−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −28,450−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −25,103−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −25,089−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −24,928−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −22,312−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −22,281−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −21,891−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −21,404−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −20,333−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −19,520−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −19,329−100.0% | Sold out |
| Mitchell Capital Management Co | 0 | $0 | 0.00% | −18,835−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −17,183−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −16,442−100.0% | Sold out |
| Spectrum Management Group, LLC | 0 | $0 | 0.00% | −15,885−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −15,449−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −15,215−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −13,680−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −12,823−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −11,636−100.0% | Sold out |
| SummerHaven Investment Management, LLC | 0 | $0 | 0.00% | −10,743−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −8,113−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −8,026−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −7,408−100.0% | Sold out |