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, Q4 2025
Institutional positions in Mastec Inc as of Dec 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
- 695
- +54 vs. Q3 2025
- Shares held
- 58.7M
- +1.58M (+2.8%) vs. Q3 2025
- Total value
- $12.8B
- +$615.7M (+5.1%) vs. Q3 2025
- New holders
- 121
- 241 more added
- Sold out
- 67
- 227 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Retirement Systems of Alabama | 73,614 | $16.0M | 0.05% | −511−0.7% | Reduced |
| Deutsche Bank AG | 78,257 | $17.0M | 0.01% | +38,258+95.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 80,056 | $17.4M | 0.04% | −34,953−30.4% | Reduced |
| Royal Bank of Canada | 82,753 | $18.0M | 0.00% | −34,528−29.4% | Reduced |
| LPL Financial LLC | 83,072 | $18.1M | 0.00% | −35,219−29.8% | Reduced |
| Barclays PLC | 84,289 | $18.3M | 0.01% | −41,174−32.8% | Reduced |
| Two Sigma Investments, LP | 96,304 | $20.9M | 0.03% | +86,216+854.6% | Added |
| Wolf Hill Capital Management, LP | 96,439 | $21.0M | 2.44% | −91,093−48.6% | Reduced |
| Legal & General Group Plc | 96,829 | $21.0M | 0.00% | −2,471−2.5% | Reduced |
| Capstone Investment Advisors, LLC | 100,997 | $22.0M | 0.18% | +100,997 | New |
| SEI Investments Co | 101,716 | $22.1M | 0.02% | −12,140−10.7% | Reduced |
| Marshall Wace, LLP | 102,403 | $22.3M | 0.02% | +102,403 | New |
| Makena Capital Management LLC | 102,423 | $22.3M | 2.67% | −19,662−16.1% | Reduced |
| Jennison Associates LLC | 102,856 | $22.4M | 0.01% | −146,403−58.7% | Reduced |
| Driehaus Capital Management LLC | 104,195 | $22.6M | 0.15% | +6,332+6.5% | Added |
| Muhlenkamp & Co Inc | 105,760 | $23.0M | 6.18% | −260.0% | Reduced |
| Federated Hermes, Inc. | 106,906 | $23.2M | 0.04% | +100,832+1,660.1% | Added |
| Squarepoint Ops LLC | 114,681 | $24.9M | 0.05% | −16,990−12.9% | Reduced |
| California Public Employees Retirement System | 116,508 | $25.3M | 0.01% | −882−0.8% | Reduced |
| Yaupon Capital Management LP | 116,993 | $25.4M | 1.25% | +74,717+176.7% | Added |
| Community Trust & Investment Co | 124,035 | $27.0M | 1.43% | −20,632−14.3% | Reduced |
| Swiss National Bank | 124,500 | $27.1M | 0.02% | +2,200+1.8% | Added |
| Algert Global LLC | 126,235 | $27.4M | 0.43% | +6,931+5.8% | Added |
| Balyasny Asset Management LLC | 128,131 | $27.9M | 0.05% | −291,172−69.4% | Reduced |
| Alliancebernstein L.P. | 129,063 | $28.1M | 0.01% | +3,477+2.8% | Added |
| SIR Capital Management, L.P. | 131,899 | $28.7M | 3.17% | −2,889−2.1% | Reduced |
| Wells Fargo & Company | 136,196 | $29.6M | 0.01% | +6,931+5.4% | Added |
| Hillman Co | 144,689 | $31.5M | 10.90% | +40,473+38.8% | Added |
| Canada Pension Plan Investment Board | 150,115 | $32.6M | 0.02% | −44,400−22.8% | Reduced |
| Principal Financial Group Inc | 150,201 | $32.6M | 0.02% | −25,613−14.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 153,669 | $33.4M | 0.02% | −32,355−17.4% | Reduced |
| Nuveen, LLC | 159,065 | $34.6M | 0.01% | −17,153−9.7% | Reduced |
| Vontobel Holding Ltd. | 162,028 | $35.2M | 0.12% | −34,781−17.7% | Reduced |
| Assenagon Asset Management S.A. | 164,540 | $35.8M | 0.05% | −32,557−16.5% | Reduced |
| Rhumbline Advisers | 164,627 | $35.8M | 0.03% | −3,629−2.2% | Reduced |
| Kirr Marbach & Co LLC | 167,556 | $36.4M | 6.96% | −2,226−1.3% | Reduced |
| Goodlander Investment Management, LLC | 170,000 | $37.0M | 14.11% | −11,000−6.1% | Reduced |
| BNP Paribas Arbitrage, SA | 171,076 | $37.2M | 0.02% | −127,942−42.8% | Reduced |
| Cooper Creek Partners Management LLC | 183,838 | $40.0M | 1.89% | +63,266+52.5% | Added |
| OP Asset Management Ltd | 184,920 | $40.2M | 0.49% | +29,342+18.9% | Added |
| Russell Investments Group, Ltd. | 187,516 | $40.8M | 0.04% | −51,864−21.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 189,015 | $41.1M | 0.03% | +188,297+26,225.2% | Added |
| Country Trust Bank | 192,122 | $41.8M | 0.76% | −1,215−0.6% | Reduced |
| Bowen Hanes & Co Inc | 195,440 | $42.5M | 1.07% | +195,440 | New |
| Walleye Capital LLC | 199,496 | $43.4M | 0.25% | +4,347+2.2% | Added |
| Schroder Investment Management Group | 200,243 | $43.5M | 0.03% | +68,456+51.9% | Added |
| Webs Creek Capital Management LP | 201,864 | $43.9M | 7.85% | +145,464+257.9% | Added |
| Gotham Asset Management, LLC | 207,529 | $45.1M | 0.16% | −3,821−1.8% | Reduced |
| JPMorgan Chase & Co | 216,197 | $47.0M | 0.00% | +4,502+2.1% | Added |
| Hennessy Advisors Inc | 226,600 | $49.3M | 1.75% | −12,600−5.3% | Reduced |
| Ameriprise Financial Inc | 232,500 | $50.5M | 0.01% | −378,341−61.9% | Reduced |
| D. E. Shaw & Co., Inc. | 238,882 | $51.9M | 0.04% | +48,014+25.2% | Added |
| Manufacturers Life Insurance Company, The | 239,525 | $52.1M | 0.04% | −7,453−3.0% | Reduced |
| Lord, Abbett & Co. LLC | 267,514 | $58.1M | 0.18% | −68,166−20.3% | Reduced |
| Raymond James Financial Inc | 274,848 | $59.9M | 0.02% | −13,683−4.7% | Reduced |
| Cartenna Capital, LP | 300,000 | $65.2M | 3.43% | +300,000 | New |
| Samlyn Capital, LLC | 306,363 | $66.6M | 1.06% | −13,366−4.2% | Reduced |
| UBS Asset Management Americas Inc | 318,398 | $69.2M | 0.01% | +9,841+3.2% | Added |
| Goldman Sachs Group Inc | 350,654 | $76.2M | 0.01% | +26,378+8.1% | Added |
| Qube Research & Technologies Ltd | 360,859 | $78.4M | 0.11% | −43,043−10.7% | Reduced |
| Blackstone Group Inc. | 363,924 | $79.1M | 0.34% | +43,924+13.7% | Added |
| 140 Summer Partners LP | 374,249 | $81.4M | 6.35% | −8,789−2.3% | Reduced |
| Legacy Advisors, LLC | 380,708 | $82.8M | 8.89% | 00.0% | Unchanged |
| Holocene Advisors, LP | 408,746 | $88.8M | 0.19% | +408,746 | New |
| UBS Group AG | 451,003 | $98.0M | 0.02% | −56,507−11.1% | Reduced |
| Freestone Grove Partners LP | 455,617 | $99.0M | 0.72% | −222,688−32.8% | Reduced |
| Northern Trust Corp | 455,797 | $99.1M | 0.01% | −16,806−3.6% | Reduced |
| Morgan Stanley | 489,911 | $106.5M | 0.01% | +21,640+4.6% | Added |
| Forest Avenue Capital Management LP | 494,011 | $107.4M | 7.07% | +72,137+17.1% | Added |
| Charles Schwab Investment Management Inc | 502,126 | $109.1M | 0.02% | +12,288+2.5% | Added |
| Nomura Asset Management International Inc. | 542,733 | $118.0M | 0.18% | +542,733 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 557,777 | $121.2M | 0.18% | +15,704+2.9% | Added |
| Merewether Investment Management, LP | 569,140 | $123.7M | 2.85% | −298,100−34.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 605,874 | $131.7M | 0.51% | −127,012−17.3% | Reduced |
| Bank of New York Mellon Corp | 636,359 | $138.3M | 0.02% | +53,962+9.3% | Added |
| FMR LLC | 664,590 | $144.5M | 0.01% | +198,986+42.7% | Added |
| Coatue Management LLCSuperinvestorCoatue Management | 677,909 | $147.4M | 0.37% | +677,909 | New |
| Point72 Asset Management, L.P. | 720,771 | $156.7M | 0.25% | +62,570+9.5% | Added |
| AQR Capital Management LLC | 730,979 | $158.9M | 0.08% | −169,505−18.8% | Reduced |
| Millennium Management LLC | 732,273 | $159.2M | 0.11% | −101,129−12.1% | Reduced |
| Electron Capital Partners, LLC | 804,303 | $174.8M | 8.12% | −14,788−1.8% | Reduced |
| Dimensional Fund Advisors LP | 870,846 | $189.3M | 0.04% | −64,158−6.9% | Reduced |
| Third Point LLCSuperinvestorThird Point | 925,000 | $201.1M | 2.76% | +200,000+27.6% | Added |
| Nordea Investment Management AB | 1,150,269 | $252.1M | 0.22% | −191,754−14.3% | Reduced |
| Geode Capital Management, LLC | 1,220,703 | $265.4M | 0.02% | +94,344+8.4% | Added |
| Bank of America Corp | 1,254,966 | $272.8M | 0.02% | +408,839+48.3% | Added |
| First Trust Advisors LP | 1,311,433 | $285.1M | 0.21% | +289,258+28.3% | Added |
| Hood River Capital Management LLC | 1,483,661 | $322.5M | 3.54% | −162,764−9.9% | Reduced |
| Invesco Ltd. | 1,520,030 | $330.4M | 0.03% | −144,371−8.7% | Reduced |
| Peconic Partners LLC | 1,600,000 | $347.8M | 8.26% | +850,000+113.3% | Added |
| State Street Corp | 1,826,422 | $397.0M | 0.01% | −10,729−0.6% | Reduced |
| Hill City Capital, LP | 2,155,000 | $468.4M | 17.68% | 00.0% | Unchanged |
| Victory Capital Management Inc | 2,637,451 | $573.3M | 0.32% | +1,690,896+178.6% | Added |
| Vanguard Group Inc | 5,932,754 | $1.29B | 0.02% | −74,438−1.2% | Reduced |
| BlackRock, Inc. | 7,111,254 | $1.55B | 0.03% | −632,111−8.2% | Reduced |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −615,973−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −280,566−100.0% | Sold out |
| Orbis Allan Gray Ltd | 0 | $0 | 0.00% | −226,799−100.0% | Sold out |
| Maplelane Capital, LLC | 0 | $0 | 0.00% | −101,000−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −94,500−100.0% | Sold out |