Mastec Inc (NYSE:MTZ) appears in 676 institutional 13F filings for the quarter ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 7,309,609 | 198,355 | 2.79% | $2,351,793,580.00 |
| PECONIC PARTNERS LLC | 31 Mar, 2026 | 3,578,431 | 1,978,431 | 123.65% | $1,151,324,390.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 2,804,295 | 2,804,295 | 0.00% | $902,253,873.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 2,770,038 | 2,770,038 | 0.00% | $891,232,026.00 |
| Hill City Capital, LP | 31 Mar, 2026 | 2,155,000 | 0 | 0.00% | $693,349,700.00 |
| State Street Corp | 31 Mar, 2026 | 1,869,788 | 43,366 | 2.37% | $601,585,591.00 |
| VICTORY CAPITAL MANAGEMENT INC | 31 Mar, 2026 | 1,592,523 | -1,044,928 | -39.62% | $512,381,476.00 |
| LONE PINE CAPITAL LLC | 31 Mar, 2026 | 1,531,050 | 1,531,050 | 0.00% | $492,600,027.00 |
| FIRST TRUST ADVISORS LP | 31 Mar, 2026 | 1,411,584 | 100,151 | 7.64% | $454,162,810.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,371,909 | 151,206 | 12.39% | $441,485,062.00 |
| Bank Of America Corp /De/ | 31 Mar, 2026 | 1,330,066 | 75,100 | 5.98% | $427,935,435.00 |
| Hood River Capital Management LLC | 31 Mar, 2026 | 1,295,385 | -188,276 | -12.69% | $416,777,170.00 |
| Invesco Ltd. | 31 Mar, 2026 | 1,225,757 | -294,273 | -19.36% | $394,375,016.00 |
| NORDEA INVESTMENT MANAGEMENT AB | 31 Mar, 2026 | 733,628 | -416,641 | -36.22% | $228,752,547.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 731,650 | -139,196 | -15.98% | $235,328,292.00 |
| Electron Capital Partners, LLC | 31 Mar, 2026 | 713,013 | -895,593 | -55.68% | $229,404,803.00 |
| AQR CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 660,054 | -70,925 | -9.70% | $209,540,584.00 |
| Bank of New York Mellon Corp | 31 Mar, 2026 | 656,104 | 19,745 | 3.10% | $211,094,792.00 |
| CANADA PENSION PLAN INVESTMENT BOARD | 31 Mar, 2026 | 638,964 | 488,849 | 325.65% | $205,580,277.00 |
| FMR LLC | 31 Mar, 2026 | 627,901 | -36,689 | -5.52% | $202,021,017.00 |