| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MAS JORGE | 15% | $2,234,710,041 | 11,872,231 | Jorge Mas | 21 Aug 2025 | |||
| MAS JOSE RAMON | 7.8% | $1,164,555,858 | 6,186,877 | Jose Ramon Mas | 21 Aug 2025 | |||
| BlackRock, Inc. | 6.8% | -27% | $690,019,947 | -$239,294,887 | 5,415,319 | -26% | BlackRock, Inc. | 31 Mar 2025 |
| NORDEA INVESTMENT MANAGEMENT AB | 2.5% | $253,025,284 | 1,985,758 | NORDEA INVESTMENT MANAGEMENT AB | 30 Sep 2024 |
As of 30 Sep 2025, 640 institutional investors reported holding 57,053,133 shares of MASTEC INC - Common Stock, Par Value $.10 Per Share (MTZ). This represents 72% of the company’s total 79,148,207 outstanding shares.
The largest institutional shareholders of MASTEC INC - Common Stock, Par Value $.10 Per Share (MTZ) together control 46% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.8% | 7,743,365 | -5.2% | 0.03% | $1,647,865,506 |
| VANGUARD GROUP INC | 7.6% | 6,007,192 | +0.58% | 0.02% | $1,278,390,529 |
| Hill City Capital, LP | 2.7% | 2,155,000 | 0% | 19% | $458,605,550 |
| STATE STREET CORP | 2.3% | 1,837,151 | -1.9% | 0.01% | $390,964,104 |
| Invesco Ltd. | 2.1% | 1,664,401 | -5.7% | 0.06% | $354,201,182 |
| Hood River Capital Management LLC | 2.1% | 1,646,425 | -2.7% | 4.1% | $350,375,704 |
| NORDEA INVESTMENT MANAGEMENT AB | 1.7% | 1,342,023 | -2.6% | 0.25% | $283,260,794 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4% | 1,126,359 | +2.2% | 0.02% | $239,743,734 |
| FIRST TRUST ADVISORS LP | 1.3% | 1,022,175 | +52% | 0.16% | $217,528,878 |
| VICTORY CAPITAL MANAGEMENT INC | 1.2% | 946,555 | +9551% | 0.13% | $201,295,498 |
| DIMENSIONAL FUND ADVISORS LP | 1.2% | 935,004 | -15% | 0.04% | $198,953,032 |
| AQR CAPITAL MANAGEMENT LLC | 1.1% | 900,484 | -16% | 0.12% | $189,191,583 |
| Merewether Investment Management, LP | 1.1% | 867,240 | +60% | 4.4% | $184,557,344 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 846,127 | +28% | 0.01% | $180,064,286 |
| MILLENNIUM MANAGEMENT LLC | 1.1% | 833,402 | -23% | 0.14% | $177,356,280 |
| Electron Capital Partners, LLC | 1% | 819,091 | +9.6% | 7.9% | $174,310,755 |
| PECONIC PARTNERS LLC | 0.95% | 750,000 | 4.4% | $159,607,500 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.93% | 732,886 | +71% | 0.62% | $155,965,470 |
| Third Point LLC | 0.92% | 725,000 | 1.8% | $154,287,250 | |
| Freestone Grove Partners LP | 0.86% | 678,305 | +6.7% | 1.1% | $144,350,087 |
| Point72 Asset Management, L.P. | 0.83% | 658,201 | -26% | 0.3% | $140,071,693 |
| MACQUARIE GROUP LTD | 0.78% | 615,973 | -12% | 0.15% | $131,085,000 |
| AMERIPRISE FINANCIAL INC | 0.77% | 610,841 | +10% | 0.03% | $129,993,321 |
| Bank of New York Mellon Corp | 0.74% | 582,397 | +5.5% | 0.02% | $123,940,004 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.68% | 542,073 | +3.1% | 0.18% | $115,356,348 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,670,666 | $365,618,239 | -$46,062,304 | $217.37 | 37 |
| 2025 Q3 | 57,053,133 | $12,133,936,109 | +$198,939,333 | $212.81 | 640 |
| 2025 Q2 | 55,709,511 | $9,492,509,064 | +$72,107,272 | $170.43 | 584 |
| 2025 Q1 | 56,298,048 | $6,558,267,396 | -$175,476,772 | $116.71 | 517 |
| 2024 Q4 | 57,468,980 | $7,823,296,055 | -$72,107,458 | $136.14 | 526 |
| 2024 Q3 | 57,521,402 | $7,083,783,978 | -$233,909,917 | $123.10 | 465 |
| 2024 Q2 | 60,736,753 | $6,505,984,087 | -$34,667,836 | $106.99 | 425 |
| 2024 Q1 | 59,054,198 | $5,508,783,907 | -$196,180,643 | $93.25 | 380 |
| 2023 Q4 | 61,616,342 | $4,662,422,973 | +$341,790,988 | $75.72 | 364 |
| 2023 Q3 | 57,060,392 | $4,108,558,281 | -$155,900,559 | $71.97 | 370 |
| 2023 Q2 | 58,106,169 | $6,845,394,728 | -$3,888,225 | $117.97 | 387 |
| 2023 Q1 | 58,162,760 | $5,486,202,780 | +$3,406,465 | $94.44 | 389 |
| 2022 Q4 | 58,284,819 | $4,968,529,088 | +$233,779,101 | $85.33 | 381 |
| 2022 Q3 | 55,449,459 | $3,533,898,388 | +$49,733,326 | $63.50 | 326 |
| 2022 Q2 | 54,578,478 | $3,906,772,476 | +$29,243,614 | $71.66 | 341 |
| 2022 Q1 | 54,030,910 | $4,701,392,915 | +$191,151,852 | $87.10 | 372 |
| 2021 Q4 | 51,733,419 | $4,773,079,881 | -$299,775,166 | $92.28 | 380 |
| 2021 Q3 | 52,428,792 | $4,529,865,458 | -$187,781,134 | $86.28 | 359 |
| 2021 Q2 | 54,393,750 | $5,768,561,882 | -$514,144,747 | $106.10 | 406 |
| 2021 Q1 | 59,605,667 | $5,579,612,489 | -$122,997,747 | $93.70 | 383 |
| 2020 Q4 | 61,508,935 | $4,194,153,003 | +$25,397,014 | $68.18 | 342 |
| 2020 Q3 | 61,685,831 | $2,605,917,662 | -$121,768,900 | $42.20 | 313 |
| 2020 Q2 | 64,563,061 | $2,893,777,771 | +$201,580,984 | $44.87 | 310 |
| 2020 Q1 | 60,398,966 | $1,974,800,787 | -$210,684,261 | $32.73 | 304 |
| 2019 Q4 | 63,701,850 | $4,086,784,755 | +$227,332,563 | $64.16 | 382 |
| 2019 Q3 | 60,729,208 | $3,942,416,789 | -$142,147,060 | $64.93 | 352 |
| 2019 Q2 | 63,491,717 | $3,270,344,458 | -$97,347,695 | $51.53 | 307 |
| 2019 Q1 | 65,841,523 | $3,166,953,249 | -$13,079,969 | $48.10 | 322 |
| 2018 Q4 | 66,559,640 | $2,701,139,054 | -$38,518,716 | $40.56 | 293 |
| 2018 Q3 | 67,087,652 | $2,996,488,938 | -$11,623,882 | $44.65 | 289 |
| 2018 Q2 | 66,285,295 | $3,361,999,336 | +$91,231,247 | $50.75 | 302 |
| 2018 Q1 | 64,706,337 | $3,046,989,672 | -$38,323,147 | $47.05 | 309 |
| 2017 Q4 | 65,549,603 | $3,209,589,246 | +$224,371,293 | $48.95 | 311 |
| 2017 Q3 | 60,964,627 | $2,828,289,408 | +$89,839,989 | $46.40 | 270 |
| 2017 Q2 | 59,063,390 | $2,661,636,301 | +$71,386,826 | $45.15 | 254 |
| 2017 Q1 | 57,612,640 | $2,307,410,776 | +$170,960,272 | $40.05 | 236 |
| 2016 Q4 | 58,193,601 | $2,225,890,083 | +$6,150,449 | $38.25 | 237 |
| 2016 Q3 | 58,248,218 | $1,730,521,116 | -$41,157,016 | $29.74 | 203 |
| 2016 Q2 | 60,144,782 | $1,342,443,245 | +$12,884,563 | $22.32 | 188 |
| 2016 Q1 | 59,312,961 | $1,200,377,804 | +$3,985,524 | $20.24 | 182 |
| 2015 Q4 | 61,061,428 | $1,068,929,184 | +$1,397,521 | $17.38 | 168 |
| 2015 Q3 | 60,357,003 | $955,642,749 | -$29,589,677 | $15.83 | 166 |
| 2015 Q2 | 61,127,033 | $1,211,950,927 | +$15,786,709 | $19.87 | 169 |
| 2015 Q1 | 58,958,506 | $1,136,539,625 | -$111,998,751 | $19.30 | 179 |
| 2014 Q4 | 63,808,468 | $1,442,021,403 | -$102,345,436 | $22.61 | 193 |
| 2014 Q3 | 66,531,134 | $2,036,775,542 | -$7,906,895 | $30.62 | 216 |
| 2014 Q2 | 66,577,598 | $2,050,595,143 | -$256,710,243 | $30.82 | 228 |
| 2014 Q1 | 72,372,264 | $3,142,824,239 | +$162,720,429 | $43.44 | 228 |