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 2025
Institutional positions in Mastec Inc as of Jun 30, 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
- 594
- +76 vs. Q1 2025
- Shares held
- 55.9M
- −422.6K (−0.8%) vs. Q1 2025
- Total value
- $9.50B
- +$2.94B (+44.9%) vs. Q1 2025
- New holders
- 119
- 205 more added
- Sold out
- 43
- 186 more reduced
5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Edmond de Rothschild Holding S.A. | 75,000 | $12.8M | 0.20% | −9,000−10.7% | Reduced |
| Pinebridge Investments, L.P. | 77,531 | $13.2M | 0.11% | −7,786−9.1% | Reduced |
| Moran Wealth Management, LLC | 78,993 | $13.5M | 0.42% | −4,056−4.9% | Reduced |
| Sterling Capital Management LLC | 79,049 | $13.5M | 0.19% | +11,071+16.3% | Added |
| Marshall Wace, LLP | 79,456 | $13.5M | 0.02% | −188,598−70.4% | Reduced |
| Jennison Associates LLC | 81,830 | $13.9M | 0.01% | +8,158+11.1% | Added |
| Royal Bank of Canada | 81,843 | $13.9M | 0.00% | +43,394+112.9% | Added |
| Frontier Capital Management Co LLC | 83,661 | $14.3M | 0.13% | −29,915−26.3% | Reduced |
| Citadel Advisors LLC | 86,162 | $14.7M | 0.01% | −89,608−51.0% | Reduced |
| Two Sigma Investments, LP | 87,345 | $14.9M | 0.03% | +70,797+427.8% | Added |
| Raiffeisen Bank International AG | 91,000 | $15.3M | 0.23% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 92,800 | $15.8M | 0.06% | +4,700+5.3% | Added |
| State of Wisconsin Investment Board | 93,525 | $15.9M | 0.04% | −5,720−5.8% | Reduced |
| Scopus Asset Management, L.P. | 93,861 | $16.0M | 0.43% | +58,138+162.7% | Added |
| HSBC Holdings PLC | 93,779 | $16.1M | 0.01% | −17,195−15.5% | Reduced |
| Cubist Systematic Strategies, LLC | 94,546 | $16.1M | 0.17% | +94,546 | New |
| SEI Investments Co | 95,849 | $16.3M | 0.02% | +24,578+34.5% | Added |
| Wells Fargo & Company | 99,086 | $16.9M | 0.00% | +33,098+50.2% | Added |
| Legal & General Group Plc | 103,237 | $17.6M | 0.00% | +3,273+3.3% | Added |
| LPL Financial LLC | 105,769 | $18.0M | 0.01% | −24,545−18.8% | Reduced |
| Russell Investments Group, Ltd. | 105,960 | $18.1M | 0.02% | +227+0.2% | Added |
| Muhlenkamp & Co Inc | 106,084 | $18.1M | 5.64% | +625+0.6% | Added |
| California Public Employees Retirement System | 111,137 | $18.9M | 0.01% | +6,976+6.7% | Added |
| Verition Fund Management LLC | 116,061 | $19.8M | 0.11% | −9,082−7.3% | Reduced |
| Trexquant Investment LP | 116,089 | $19.8M | 0.22% | +52,939+83.8% | Added |
| Walleye Capital LLC | 116,460 | $19.8M | 0.18% | +53,136+83.9% | Added |
| Swiss National Bank | 120,800 | $20.6M | 0.01% | −2,000−1.6% | Reduced |
| Great Lakes Advisors, LLC | 121,075 | $20.6M | 0.17% | +16,469+15.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 123,246 | $21.0M | 0.05% | −7,820−6.0% | Reduced |
| ACK Asset Management LLC | 125,000 | $21.3M | 2.80% | −337,700−73.0% | Reduced |
| Toronto Dominion Bank | 125,097 | $21.3M | 0.05% | +124,878+57,021.9% | Added |
| Mackenzie Financial Corp | 137,405 | $23.4M | 0.03% | −153,210−52.7% | Reduced |
| Barclays PLC | 143,686 | $24.5M | 0.01% | −226,494−61.2% | Reduced |
| Community Trust & Investment Co | 148,485 | $25.3M | 1.46% | −14,433−8.9% | Reduced |
| Makena Capital Management LLC | 151,806 | $25.9M | 2.59% | −23,812−13.6% | Reduced |
| Prudential Financial Inc | 155,520 | $26.5M | 0.03% | −144,764−48.2% | Reduced |
| Candriam Luxembourg S.C.A. | 164,497 | $28.0M | 0.16% | +122,568+292.3% | Added |
| Rhumbline Advisers | 170,802 | $29.1M | 0.02% | +2,176+1.3% | Added |
| Kirr Marbach & Co LLC | 171,631 | $29.3M | 5.78% | +1,096+0.6% | Added |
| Nuveen, LLC | 171,985 | $29.3M | 0.01% | −9,732−5.4% | Reduced |
| Wolf Hill Capital Management, LP | 175,000 | $29.8M | 2.48% | +25,000+16.7% | Added |
| Canada Pension Plan Investment Board | 187,725 | $32.0M | 0.03% | −71,676−27.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 190,647 | $32.5M | 0.24% | −29,921−13.6% | Reduced |
| Vontobel Holding Ltd. | 198,056 | $33.8M | 0.11% | −54,112−21.5% | Reduced |
| Goodlander Investment Management, LLC | 200,000 | $34.1M | 13.99% | +4,865+2.5% | Added |
| Principal Financial Group Inc | 232,269 | $39.6M | 0.02% | +90,594+63.9% | Added |
| Gotham Asset Management, LLC | 234,905 | $40.0M | 0.24% | +52,517+28.8% | Added |
| Orbis Allan Gray Ltd | 239,407 | $40.8M | 0.20% | +11,648+5.1% | Added |
| Jane Street Group, LLC | 244,356 | $41.6M | 0.07% | +11,705+5.0% | Added |
| Alliancebernstein L.P. | 271,217 | $46.2M | 0.02% | −691,433−71.8% | Reduced |
| Country Trust Bank | 271,424 | $46.3M | 1.04% | −32,124−10.6% | Reduced |
| Raymond James Financial Inc | 275,508 | $47.0M | 0.02% | +103,409+60.1% | Added |
| Assenagon Asset Management S.A. | 281,171 | $47.9M | 0.08% | +35,940+14.7% | Added |
| Cartenna Capital, LP | 300,000 | $51.1M | 3.13% | +300,000 | New |
| UBS Asset Management Americas Inc | 313,500 | $53.4M | 0.01% | +26,843+9.4% | Added |
| Manufacturers Life Insurance Company, The | 331,056 | $56.4M | 0.05% | +54,177+19.6% | Added |
| Lord, Abbett & Co. LLC | 334,756 | $57.1M | 0.18% | +27,337+8.9% | Added |
| D. E. Shaw & Co., Inc. | 340,100 | $58.0M | 0.06% | +294,196+640.9% | Added |
| Balyasny Asset Management LLC | 345,836 | $58.9M | 0.13% | −235,608−40.5% | Reduced |
| Blackstone Group Inc. | 350,000 | $59.7M | 0.27% | +35,000+11.1% | Added |
| Arrowstreet Capital, Limited Partnership | 364,278 | $62.1M | 0.04% | +115,602+46.5% | Added |
| DnB Asset Management AS | 364,548 | $62.1M | 0.26% | +9,326+2.6% | Added |
| JPMorgan Chase & Co | 381,010 | $64.9M | 0.00% | −65,105−14.6% | Reduced |
| Samlyn Capital, LLC | 382,577 | $65.2M | 0.95% | −23,652−5.8% | Reduced |
| Cooper Creek Partners Management LLC | 423,918 | $72.2M | 2.40% | −290,125−40.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 428,528 | $73.0M | 0.29% | −13,835−3.1% | Reduced |
| Northern Trust Corp | 480,200 | $81.8M | 0.01% | −14,938−3.0% | Reduced |
| Qube Research & Technologies Ltd | 506,857 | $86.4M | 0.12% | +399,007+370.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 525,912 | $89.6M | 0.17% | −7,474−1.4% | Reduced |
| Morgan Stanley | 528,941 | $90.1M | 0.01% | +52,238+11.0% | Added |
| Merewether Investment Management, LP | 542,740 | $92.5M | 2.66% | −218,276−28.7% | Reduced |
| Bank of New York Mellon Corp | 552,044 | $94.1M | 0.02% | −8,666−1.5% | Reduced |
| Ameriprise Financial Inc | 555,486 | $94.7M | 0.02% | +164,722+42.2% | Added |
| Charles Schwab Investment Management Inc | 612,487 | $104.4M | 0.02% | +611+0.1% | Added |
| Freestone Grove Partners LP | 635,616 | $108.3M | 0.82% | +207,801+48.6% | Added |
| UBS Group AG | 651,563 | $111.0M | 0.02% | +71,080+12.2% | Added |
| Bank of America Corp | 662,741 | $113.0M | 0.01% | −31,048−4.5% | Reduced |
| First Trust Advisors LP | 671,947 | $114.5M | 0.09% | −66,498−9.0% | Reduced |
| Macquarie Group Ltd | 696,776 | $118.8M | 0.15% | −74,515−9.7% | Reduced |
| Electron Capital Partners, LLC | 747,333 | $127.4M | 6.81% | +14,504+2.0% | Added |
| Goldman Sachs Group Inc | 823,590 | $140.4M | 0.02% | −220,391−21.1% | Reduced |
| Point72 Asset Management, L.P. | 895,505 | $152.6M | 0.36% | +689,484+334.7% | Added |
| AQR Capital Management LLC | 1,072,253 | $182.0M | 0.15% | +108,504+11.3% | Added |
| Millennium Management LLC | 1,077,822 | $183.7M | 0.16% | +131,476+13.9% | Added |
| Geode Capital Management, LLC | 1,102,279 | $187.9M | 0.01% | −2,939−0.3% | Reduced |
| Dimensional Fund Advisors LP | 1,105,398 | $188.4M | 0.04% | −114,297−9.4% | Reduced |
| Nordea Investment Management AB | 1,378,230 | $234.6M | 0.22% | −416,074−23.2% | Reduced |
| Hood River Capital Management LLC | 1,692,656 | $288.5M | 4.03% | +138,269+8.9% | Added |
| Invesco Ltd. | 1,765,049 | $300.8M | 0.05% | +102,072+6.1% | Added |
| State Street Corp | 1,873,531 | $319.3M | 0.01% | −43,754−2.3% | Reduced |
| Hill City Capital, LP | 2,155,000 | $367.3M | 19.77% | +10,000+0.5% | Added |
| Vanguard Group Inc | 5,972,293 | $1.02B | 0.02% | +234,594+4.1% | Added |
| BlackRock, Inc. | 8,164,167 | $1.39B | 0.03% | +492,928+6.4% | Added |
| SRS Capital Advisors, Inc. | 226 | – | – | +67+42.1% | Added |
| Royce & Associates LP | 0 | $0 | 0.00% | −78,980−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −68,008−100.0% | Sold out |
| Kayne Anderson Capital Advisors LP | 0 | $0 | 0.00% | −45,816−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Thomas J. Herzfeld Advisors, Inc. | 0 | $0 | 0.00% | −29,872−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −29,188−100.0% | Sold out |