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, Q1 2025
Institutional positions in Mastec Inc as of Mar 31, 2025. 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
- 523
- −2 vs. Q4 2024
- Shares held
- 56.4M
- −923.2K (−1.6%) vs. Q4 2024
- Total value
- $6.56B
- −$1.23B (−15.8%) vs. Q4 2024
- New holders
- 83
- 204 more added
- Sold out
- 85
- 161 more reduced
7 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,671,239 | $895.3M | 0.02% | +377,919+5.2% | Added |
| Vanguard Group Inc | 5,737,699 | $669.6M | 0.01% | −16,387−0.3% | Reduced |
| Hill City Capital, LP | 2,145,000 | $250.3M | 18.64% | +15,000+0.7% | Added |
| State Street Corp | 1,917,285 | $223.8M | 0.01% | +14,453+0.8% | Added |
| Nordea Investment Management AB | 1,794,304 | $202.6M | 0.21% | −157,729−8.1% | Reduced |
| Invesco Ltd. | 1,662,977 | $194.1M | 0.04% | −343,308−17.1% | Reduced |
| Hood River Capital Management LLC | 1,554,387 | $181.4M | 3.10% | +23,283+1.5% | Added |
| Dimensional Fund Advisors LP | 1,219,695 | $142.3M | 0.04% | +39,622+3.4% | Added |
| Geode Capital Management, LLC | 1,105,218 | $129.0M | 0.01% | +79,080+7.7% | Added |
| Goldman Sachs Group Inc | 1,043,981 | $121.8M | 0.02% | +648,184+163.8% | Added |
| Alliancebernstein L.P. | 962,650 | $112.4M | 0.04% | −182,076−15.9% | Reduced |
| Millennium Management LLC | 946,346 | $110.4M | 0.11% | −514,003−35.2% | Reduced |
| AQR Capital Management LLC | 963,749 | $106.2M | 0.11% | +184,277+23.6% | Added |
| Legacy Advisors, LLC | 776,687 | $90.6M | 9.58% | −41,959−5.1% | Reduced |
| Macquarie Group Ltd | 771,291 | $90.0M | 0.11% | −50,858−6.2% | Reduced |
| Merewether Investment Management, LP | 761,016 | $88.8M | 3.23% | +418,633+122.3% | Added |
| First Trust Advisors LP | 738,445 | $86.2M | 0.08% | +150,657+25.6% | Added |
| Electron Capital Partners, LLC | 732,829 | $85.5M | 6.13% | −304,080−29.3% | Reduced |
| Cooper Creek Partners Management LLC | 714,043 | $83.3M | 2.70% | +396,077+124.6% | Added |
| Bank of America Corp | 693,789 | $81.0M | 0.01% | +287,738+70.9% | Added |
| Charles Schwab Investment Management Inc | 611,876 | $71.4M | 0.01% | −12,592−2.0% | Reduced |
| Pacer Advisors, Inc. | 603,506 | $70.4M | 0.17% | −1,079,596−64.1% | Reduced |
| Balyasny Asset Management LLC | 581,444 | $67.9M | 0.17% | −46,226−7.4% | Reduced |
| UBS Group AG | 580,483 | $67.7M | 0.02% | +10,117+1.8% | Added |
| Bank of New York Mellon Corp | 560,710 | $65.4M | 0.01% | +4,024+0.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 533,386 | $62.3M | 0.13% | −13,038−2.4% | Reduced |
| Northern Trust Corp | 495,138 | $57.8M | 0.01% | −26,004−5.0% | Reduced |
| Morgan Stanley | 476,703 | $55.6M | 0.00% | +24,654+5.5% | Added |
| ACK Asset Management LLC | 462,700 | $54.0M | 8.87% | −69,100−13.0% | Reduced |
| JPMorgan Chase & Co | 446,115 | $52.1M | 0.00% | +12,860+3.0% | Added |
| Jacobs Levy Equity Management, Inc | 442,363 | $51.6M | 0.20% | +55,332+14.3% | Added |
| Freestone Grove Partners LP | 427,815 | $49.9M | 0.51% | +194,746+83.6% | Added |
| Samlyn Capital, LLC | 406,229 | $47.4M | 0.78% | +31,172+8.3% | Added |
| SG Capital Management LLC | 403,017 | $47.0M | 4.73% | +203,786+102.3% | Added |
| Ameriprise Financial Inc | 390,764 | $45.6M | 0.01% | +246,666+171.2% | Added |
| Barclays PLC | 370,180 | $43.2M | 0.02% | +94,964+34.5% | Added |
| DnB Asset Management AS | 355,222 | $41.5M | 0.19% | +88,107+33.0% | Added |
| Blackstone Group Inc. | 315,000 | $36.8M | 0.16% | +315,000 | New |
| Lord, Abbett & Co. LLC | 307,419 | $35.9M | 0.13% | +134,493+77.8% | Added |
| Country Trust Bank | 303,548 | $35.4M | 0.89% | +15,587+5.4% | Added |
| Prudential Financial Inc | 300,284 | $35.0M | 0.05% | −104,903−25.9% | Reduced |
| Mackenzie Financial Corp | 290,615 | $33.9M | 0.05% | −12,025−4.0% | Reduced |
| UBS Asset Management Americas Inc | 286,657 | $33.5M | 0.01% | −21,517−7.0% | Reduced |
| Manufacturers Life Insurance Company, The | 276,879 | $32.3M | 0.03% | +27,447+11.0% | Added |
| Marshall Wace, LLP | 268,054 | $31.3M | 0.04% | +228,569+578.9% | Added |
| Canada Pension Plan Investment Board | 259,401 | $30.3M | 0.03% | +65,101+33.5% | Added |
| Vontobel Holding Ltd. | 252,168 | $29.4M | 0.11% | −120,922−32.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 248,676 | $29.0M | 0.02% | −191,389−43.5% | Reduced |
| Assenagon Asset Management S.A. | 245,231 | $28.6M | 0.05% | +59,056+31.7% | Added |
| Jane Street Group, LLC | 232,651 | $27.2M | 0.05% | +184,592+384.1% | Added |
| Orbis Allan Gray Ltd | 227,759 | $26.6M | 0.15% | +20,606+9.9% | Added |
| Schonfeld Strategic Advisors LLC | 220,568 | $25.7M | 0.17% | +16,154+7.9% | Added |
| Point72 Asset Management, L.P. | 206,021 | $24.0M | 0.07% | −528,190−71.9% | Reduced |
| Goodlander Investment Management, LLC | 195,135 | $22.8M | 19.43% | +25,135+14.8% | Added |
| Capstone Investment Advisors, LLC | 189,360 | $22.1M | 0.20% | +189,360 | New |
| Gotham Asset Management, LLC | 182,388 | $21.3M | 0.18% | +14,694+8.8% | Added |
| Nuveen, LLC | 181,717 | $21.2M | 0.01% | +181,717 | New |
| Citadel Advisors LLC | 175,770 | $20.5M | 0.02% | −493,467−73.7% | Reduced |
| Makena Capital Management LLC | 175,618 | $20.5M | 2.12% | +96,911+123.1% | Added |
| Raymond James Financial Inc | 172,099 | $20.1M | 0.01% | +41,526+31.8% | Added |
| Kirr Marbach & Co LLC | 170,535 | $19.9M | 4.62% | −1,157−0.7% | Reduced |
| Rhumbline Advisers | 168,626 | $19.7M | 0.02% | −738−0.4% | Reduced |
| Covalis Capital LLP | 164,336 | $19.2M | 4.40% | +114,107+227.2% | Added |
| Community Trust & Investment Co | 162,918 | $19.0M | 1.22% | +1,825+1.1% | Added |
| Wolf Hill Capital Management, LP | 150,000 | $17.5M | 1.58% | −223,965−59.9% | Reduced |
| Principal Financial Group Inc | 141,675 | $16.5M | 0.01% | −67,667−32.3% | Reduced |
| Temasek Holdings (Private) Ltd | 131,810 | $15.4M | 0.06% | +121,521+1,181.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 131,066 | $15.3M | 0.04% | +10,937+9.1% | Added |
| Intrinsic Edge Capital Management LLC | 130,648 | $15.2M | 3.20% | +16,950+14.9% | Added |
| LPL Financial LLC | 130,314 | $15.2M | 0.01% | +109,794+535.1% | Added |
| Verition Fund Management LLC | 125,143 | $14.6M | 0.08% | −593−0.5% | Reduced |
| Swiss National Bank | 122,800 | $14.3M | 0.01% | −1,800−1.4% | Reduced |
| Frontier Capital Management Co LLC | 113,576 | $13.3M | 0.14% | −40,793−26.4% | Reduced |
| HSBC Holdings PLC | 110,974 | $12.7M | 0.01% | −2,372−2.1% | Reduced |
| Qube Research & Technologies Ltd | 107,850 | $12.6M | 0.02% | −107,344−49.9% | Reduced |
| Russell Investments Group, Ltd. | 105,733 | $12.3M | 0.02% | −18,211−14.7% | Reduced |
| Muhlenkamp & Co Inc | 105,459 | $12.3M | 4.03% | −450.0% | Reduced |
| Great Lakes Advisors, LLC | 104,606 | $12.2M | 0.11% | −79−0.1% | Reduced |
| Bruni J V & Co | 104,578 | $12.2M | 1.42% | −53,649−33.9% | Reduced |
| California Public Employees Retirement System | 104,161 | $12.2M | 0.01% | −2,618−2.5% | Reduced |
| Legal & General Group Plc | 99,964 | $11.7M | 0.00% | +1,929+2.0% | Added |
| State of Wisconsin Investment Board | 99,245 | $11.6M | 0.03% | −6,252−5.9% | Reduced |
| Bank of Nova Scotia | 93,352 | $10.9M | 0.02% | +40,936+78.1% | Added |
| Arosa Capital Management LP | 91,000 | $10.6M | 7.05% | +91,000 | New |
| Raiffeisen Bank International AG | 91,000 | $10.5M | 0.17% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 88,100 | $10.3M | 0.04% | +17,600+25.0% | Added |
| Pinebridge Investments, L.P. | 85,317 | $9.96M | 0.08% | −10,475−10.9% | Reduced |
| Edmond de Rothschild Holding S.A. | 84,000 | $9.80M | 0.17% | +14,000+20.0% | Added |
| Moran Wealth Management, LLC | 83,049 | $9.69M | 0.33% | −4,243−4.9% | Reduced |
| Royce & Associates LP | 78,980 | $9.22M | 0.10% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 74,931 | $8.75M | 0.03% | +73+0.1% | Added |
| Jennison Associates LLC | 73,672 | $8.60M | 0.01% | +19,636+36.3% | Added |
| BNP Paribas Arbitrage, SA | 73,443 | $8.57M | 0.01% | +35,390+93.0% | Added |
| SEI Investments Co | 71,271 | $8.32M | 0.01% | −11,797−14.2% | Reduced |
| Corebridge Financial, Inc. | 68,008 | $7.94M | 0.05% | −1,662−2.4% | Reduced |
| Sterling Capital Management LLC | 67,978 | $7.93M | 0.12% | +1,433+2.2% | Added |
| Teacher Retirement System of Texas | 67,252 | $7.85M | 0.03% | +33,390+98.6% | Added |
| Wells Fargo & Company | 65,988 | $7.70M | 0.00% | −34,242−34.2% | Reduced |
| Walleye Capital LLC | 63,324 | $7.39M | 0.08% | +26,869+73.7% | Added |
| Trexquant Investment LP | 63,150 | $7.37M | 0.09% | −68,728−52.1% | Reduced |