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 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 | $24.8B |
| 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 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,164,167 | $1.39B | 0.03% | +492,928+6.4% | Added |
| Vanguard Group Inc | 5,972,293 | $1.02B | 0.02% | +234,594+4.1% | Added |
| Hill City Capital, LP | 2,155,000 | $367.3M | 19.77% | +10,000+0.5% | Added |
| State Street Corp | 1,873,531 | $319.3M | 0.01% | −43,754−2.3% | Reduced |
| Invesco Ltd. | 1,765,049 | $300.8M | 0.05% | +102,072+6.1% | Added |
| Hood River Capital Management LLC | 1,692,656 | $288.5M | 4.03% | +138,269+8.9% | Added |
| Nordea Investment Management AB | 1,378,230 | $234.6M | 0.22% | −416,074−23.2% | Reduced |
| Dimensional Fund Advisors LP | 1,105,398 | $188.4M | 0.04% | −114,297−9.4% | Reduced |
| Geode Capital Management, LLC | 1,102,279 | $187.9M | 0.01% | −2,939−0.3% | Reduced |
| Millennium Management LLC | 1,077,822 | $183.7M | 0.16% | +131,476+13.9% | Added |
| AQR Capital Management LLC | 1,072,253 | $182.0M | 0.15% | +108,504+11.3% | Added |
| Point72 Asset Management, L.P. | 895,505 | $152.6M | 0.36% | +689,484+334.7% | Added |
| Goldman Sachs Group Inc | 823,590 | $140.4M | 0.02% | −220,391−21.1% | Reduced |
| Electron Capital Partners, LLC | 747,333 | $127.4M | 6.81% | +14,504+2.0% | Added |
| Macquarie Group Ltd | 696,776 | $118.8M | 0.15% | −74,515−9.7% | Reduced |
| First Trust Advisors LP | 671,947 | $114.5M | 0.09% | −66,498−9.0% | Reduced |
| Bank of America Corp | 662,741 | $113.0M | 0.01% | −31,048−4.5% | Reduced |
| UBS Group AG | 651,563 | $111.0M | 0.02% | +71,080+12.2% | Added |
| Freestone Grove Partners LP | 635,616 | $108.3M | 0.82% | +207,801+48.6% | Added |
| Charles Schwab Investment Management Inc | 612,487 | $104.4M | 0.02% | +611+0.1% | Added |
| Ameriprise Financial Inc | 555,486 | $94.7M | 0.02% | +164,722+42.2% | Added |
| Bank of New York Mellon Corp | 552,044 | $94.1M | 0.02% | −8,666−1.5% | Reduced |
| Merewether Investment Management, LP | 542,740 | $92.5M | 2.66% | −218,276−28.7% | Reduced |
| Morgan Stanley | 528,941 | $90.1M | 0.01% | +52,238+11.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 525,912 | $89.6M | 0.17% | −7,474−1.4% | Reduced |
| Qube Research & Technologies Ltd | 506,857 | $86.4M | 0.12% | +399,007+370.0% | Added |
| Northern Trust Corp | 480,200 | $81.8M | 0.01% | −14,938−3.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 428,528 | $73.0M | 0.29% | −13,835−3.1% | Reduced |
| Cooper Creek Partners Management LLC | 423,918 | $72.2M | 2.40% | −290,125−40.6% | Reduced |
| Samlyn Capital, LLC | 382,577 | $65.2M | 0.95% | −23,652−5.8% | Reduced |
| JPMorgan Chase & Co | 381,010 | $64.9M | 0.00% | −65,105−14.6% | Reduced |
| DnB Asset Management AS | 364,548 | $62.1M | 0.26% | +9,326+2.6% | Added |
| Arrowstreet Capital, Limited Partnership | 364,278 | $62.1M | 0.04% | +115,602+46.5% | Added |
| Blackstone Group Inc. | 350,000 | $59.7M | 0.27% | +35,000+11.1% | Added |
| Balyasny Asset Management LLC | 345,836 | $58.9M | 0.13% | −235,608−40.5% | Reduced |
| D. E. Shaw & Co., Inc. | 340,100 | $58.0M | 0.06% | +294,196+640.9% | Added |
| Lord, Abbett & Co. LLC | 334,756 | $57.1M | 0.18% | +27,337+8.9% | Added |
| Manufacturers Life Insurance Company, The | 331,056 | $56.4M | 0.05% | +54,177+19.6% | Added |
| UBS Asset Management Americas Inc | 313,500 | $53.4M | 0.01% | +26,843+9.4% | Added |
| Cartenna Capital, LP | 300,000 | $51.1M | 3.13% | +300,000 | New |
| Assenagon Asset Management S.A. | 281,171 | $47.9M | 0.08% | +35,940+14.7% | Added |
| Raymond James Financial Inc | 275,508 | $47.0M | 0.02% | +103,409+60.1% | Added |
| Country Trust Bank | 271,424 | $46.3M | 1.04% | −32,124−10.6% | Reduced |
| Alliancebernstein L.P. | 271,217 | $46.2M | 0.02% | −691,433−71.8% | Reduced |
| Jane Street Group, LLC | 244,356 | $41.6M | 0.07% | +11,705+5.0% | Added |
| Orbis Allan Gray Ltd | 239,407 | $40.8M | 0.20% | +11,648+5.1% | Added |
| Gotham Asset Management, LLC | 234,905 | $40.0M | 0.24% | +52,517+28.8% | Added |
| Principal Financial Group Inc | 232,269 | $39.6M | 0.02% | +90,594+63.9% | Added |
| Goodlander Investment Management, LLC | 200,000 | $34.1M | 13.99% | +4,865+2.5% | Added |
| Vontobel Holding Ltd. | 198,056 | $33.8M | 0.11% | −54,112−21.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 190,647 | $32.5M | 0.24% | −29,921−13.6% | Reduced |
| Canada Pension Plan Investment Board | 187,725 | $32.0M | 0.03% | −71,676−27.6% | Reduced |
| Wolf Hill Capital Management, LP | 175,000 | $29.8M | 2.48% | +25,000+16.7% | Added |
| Nuveen, LLC | 171,985 | $29.3M | 0.01% | −9,732−5.4% | Reduced |
| Kirr Marbach & Co LLC | 171,631 | $29.3M | 5.78% | +1,096+0.6% | Added |
| Rhumbline Advisers | 170,802 | $29.1M | 0.02% | +2,176+1.3% | Added |
| Candriam Luxembourg S.C.A. | 164,497 | $28.0M | 0.16% | +122,568+292.3% | Added |
| Prudential Financial Inc | 155,520 | $26.5M | 0.03% | −144,764−48.2% | Reduced |
| Makena Capital Management LLC | 151,806 | $25.9M | 2.59% | −23,812−13.6% | Reduced |
| Community Trust & Investment Co | 148,485 | $25.3M | 1.46% | −14,433−8.9% | Reduced |
| Barclays PLC | 143,686 | $24.5M | 0.01% | −226,494−61.2% | Reduced |
| Mackenzie Financial Corp | 137,405 | $23.4M | 0.03% | −153,210−52.7% | Reduced |
| Toronto Dominion Bank | 125,097 | $21.3M | 0.05% | +124,878+57,021.9% | Added |
| ACK Asset Management LLC | 125,000 | $21.3M | 2.80% | −337,700−73.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 123,246 | $21.0M | 0.05% | −7,820−6.0% | Reduced |
| Great Lakes Advisors, LLC | 121,075 | $20.6M | 0.17% | +16,469+15.7% | Added |
| Swiss National Bank | 120,800 | $20.6M | 0.01% | −2,000−1.6% | Reduced |
| Walleye Capital LLC | 116,460 | $19.8M | 0.18% | +53,136+83.9% | Added |
| Trexquant Investment LP | 116,089 | $19.8M | 0.22% | +52,939+83.8% | Added |
| Verition Fund Management LLC | 116,061 | $19.8M | 0.11% | −9,082−7.3% | Reduced |
| California Public Employees Retirement System | 111,137 | $18.9M | 0.01% | +6,976+6.7% | Added |
| Muhlenkamp & Co Inc | 106,084 | $18.1M | 5.64% | +625+0.6% | Added |
| Russell Investments Group, Ltd. | 105,960 | $18.1M | 0.02% | +227+0.2% | Added |
| LPL Financial LLC | 105,769 | $18.0M | 0.01% | −24,545−18.8% | Reduced |
| Legal & General Group Plc | 103,237 | $17.6M | 0.00% | +3,273+3.3% | Added |
| Wells Fargo & Company | 99,086 | $16.9M | 0.00% | +33,098+50.2% | Added |
| SEI Investments Co | 95,849 | $16.3M | 0.02% | +24,578+34.5% | Added |
| Cubist Systematic Strategies, LLC | 94,546 | $16.1M | 0.17% | +94,546 | New |
| HSBC Holdings PLC | 93,779 | $16.1M | 0.01% | −17,195−15.5% | Reduced |
| Scopus Asset Management, L.P. | 93,861 | $16.0M | 0.43% | +58,138+162.7% | Added |
| State of Wisconsin Investment Board | 93,525 | $15.9M | 0.04% | −5,720−5.8% | Reduced |
| Daiwa Securities Group Inc. | 92,800 | $15.8M | 0.06% | +4,700+5.3% | Added |
| Raiffeisen Bank International AG | 91,000 | $15.3M | 0.23% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 87,345 | $14.9M | 0.03% | +70,797+427.8% | Added |
| Citadel Advisors LLC | 86,162 | $14.7M | 0.01% | −89,608−51.0% | Reduced |
| Frontier Capital Management Co LLC | 83,661 | $14.3M | 0.13% | −29,915−26.3% | Reduced |
| Royal Bank of Canada | 81,843 | $13.9M | 0.00% | +43,394+112.9% | Added |
| Jennison Associates LLC | 81,830 | $13.9M | 0.01% | +8,158+11.1% | Added |
| Marshall Wace, LLP | 79,456 | $13.5M | 0.02% | −188,598−70.4% | Reduced |
| Sterling Capital Management LLC | 79,049 | $13.5M | 0.19% | +11,071+16.3% | Added |
| Moran Wealth Management, LLC | 78,993 | $13.5M | 0.42% | −4,056−4.9% | Reduced |
| Pinebridge Investments, L.P. | 77,531 | $13.2M | 0.11% | −7,786−9.1% | Reduced |
| Edmond de Rothschild Holding S.A. | 75,000 | $12.8M | 0.20% | −9,000−10.7% | Reduced |
| Retirement Systems of Alabama | 74,932 | $12.8M | 0.05% | +10.0% | Added |
| Lazard Asset Management LLC | 74,645 | $12.7M | 0.02% | +72,255+3,023.2% | Added |
| Norges Bank | 73,355 | $12.5M | 0.00% | +22,358+43.8% | Added |
| Schroder Investment Management Group | 72,559 | $12.4M | 0.01% | +72,559 | New |
| Natixis | 72,059 | $12.3M | 0.06% | +62,411+646.9% | Added |
| Bank of Nova Scotia | 71,045 | $12.1M | 0.02% | −22,307−23.9% | Reduced |
| Temasek Holdings (Private) Ltd | 70,988 | $12.1M | 0.05% | −60,822−46.1% | Reduced |