| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MAS JORGE | 15% | $2,137,001,580 | 11,872,231 | Jorge Mas | 21 Aug 2025 | |||
| MAS JOSE RAMON | 7.8% | $1,113,637,860 | 6,186,877 | Jose Ramon Mas | 21 Aug 2025 | |||
| BlackRock, Inc. | 6.8% | -27% | $633,484,017 | -$219,688,557 | 5,415,319 | -26% | BlackRock, Inc. | 31 Mar 2025 |
| NORDEA INVESTMENT MANAGEMENT AB | 2.5% | $232,293,971 | 1,985,758 | NORDEA INVESTMENT MANAGEMENT AB | 30 Sep 2024 |
As of 30 Sep 2025, 641 institutional investors reported holding 57,054,905 shares of MASTEC INC - Common Stock, Par Value $.10 Per Share (MTZ). This represents 72% of the company’s total 79,318,936 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 | 0.92% | 732,886 | +71% | 0.62% | $155,965,470 |
| Third Point LLC | 0.91% | 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 | 0.73% | 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 | 2,275,121 | $498,012,149 | -$45,169,891 | $217.37 | 80 |
| 2025 Q3 | 57,054,905 | $12,134,313,109 | +$198,939,295 | $212.81 | 641 |
| 2025 Q2 | 55,709,511 | $9,492,509,064 | +$72,107,236 | $170.43 | 584 |
| 2025 Q1 | 56,297,698 | $6,558,226,500 | -$175,476,723 | $116.71 | 515 |
| 2024 Q4 | 57,469,240 | $7,823,164,617 | -$69,772,496 | $136.14 | 523 |
| 2024 Q3 | 57,508,890 | $7,082,243,852 | -$224,194,012 | $123.10 | 468 |
| 2024 Q2 | 60,738,603 | $6,506,178,806 | +$17,288,258 | $106.99 | 430 |
| 2024 Q1 | 58,430,661 | $5,449,958,459 | -$230,792,043 | $93.25 | 386 |
| 2023 Q4 | 312,338 | $23,647,915 | -$1,025,822 | $75.72 | 4 |
| 2023 Q3 | 56,145,329 | $4,042,686,712 | -$154,056,521 | $71.97 | 365 |
| 2023 Q2 | 56,628,922 | $6,671,146,097 | -$59,216,658 | $117.97 | 379 |
| 2023 Q1 | 57,272,992 | $5,402,178,899 | +$3,901,150 | $94.44 | 383 |
| 2022 Q4 | 57,896,266 | $4,935,384,991 | +$243,183,480 | $85.33 | 376 |
| 2022 Q3 | 50,606,264 | $3,226,335,254 | +$56,344,512 | $63.50 | 314 |
| 2022 Q2 | 52,453,213 | $3,749,740,596 | -$41,332,799 | $71.66 | 331 |
| 2022 Q1 | 53,244,292 | $4,632,884,307 | +$153,812,818 | $87.10 | 364 |
| 2021 Q4 | 51,697,599 | $4,769,776,283 | -$300,338,342 | $92.28 | 375 |
| 2021 Q3 | 52,029,041 | $4,495,416,082 | -$188,743,464 | $86.28 | 358 |
| 2021 Q2 | 54,022,034 | $5,729,122,325 | -$497,921,905 | $106.10 | 404 |
| 2021 Q1 | 59,038,600 | $5,525,868,493 | -$127,996,888 | $93.70 | 383 |
| 2020 Q4 | 61,503,943 | $4,193,813,254 | +$20,717,726 | $68.18 | 337 |
| 2020 Q3 | 61,546,558 | $2,600,040,719 | -$112,964,616 | $42.20 | 310 |
| 2020 Q2 | 62,522,653 | $2,802,223,984 | +$208,121,940 | $44.87 | 307 |
| 2020 Q1 | 60,344,870 | $1,973,036,387 | -$206,008,853 | $32.73 | 298 |
| 2019 Q4 | 63,663,602 | $4,084,332,253 | +$227,237,934 | $64.16 | 377 |
| 2019 Q3 | 59,714,336 | $3,876,521,828 | -$187,859,699 | $64.93 | 348 |
| 2019 Q2 | 62,890,784 | $3,239,381,691 | -$65,885,737 | $51.53 | 305 |
| 2019 Q1 | 65,282,981 | $3,140,089,676 | -$13,375,259 | $48.10 | 319 |
| 2018 Q4 | 66,153,963 | $2,684,683,282 | -$38,874,050 | $40.56 | 288 |
| 2018 Q3 | 65,870,669 | $2,942,149,921 | -$16,980,568 | $44.65 | 284 |
| 2018 Q2 | 65,157,769 | $3,304,791,453 | +$105,727,234 | $50.75 | 297 |
| 2018 Q1 | 64,502,434 | $3,037,394,407 | -$38,750,984 | $47.05 | 306 |
| 2017 Q4 | 65,357,712 | $3,200,180,207 | +$215,948,615 | $48.95 | 309 |
| 2017 Q3 | 60,836,959 | $2,822,364,892 | +$88,329,119 | $46.40 | 265 |
| 2017 Q2 | 58,872,574 | $2,653,012,819 | +$75,000,995 | $45.15 | 250 |
| 2017 Q1 | 57,552,674 | $2,304,935,690 | +$170,955,400 | $40.05 | 234 |
| 2016 Q4 | 58,193,601 | $2,225,890,083 | +$6,162,529 | $38.25 | 237 |
| 2016 Q3 | 58,248,218 | $1,730,521,116 | -$41,156,746 | $29.74 | 203 |
| 2016 Q2 | 60,144,782 | $1,342,443,245 | +$12,896,371 | $22.32 | 188 |
| 2016 Q1 | 58,596,139 | $1,185,869,804 | +$223,670 | $20.24 | 181 |
| 2015 Q4 | 60,786,384 | $1,064,148,184 | +$4,313,807 | $17.38 | 165 |
| 2015 Q3 | 60,318,843 | $955,039,749 | -$30,278,568 | $15.83 | 163 |
| 2015 Q2 | 60,037,214 | $1,190,296,927 | +$18,047,220 | $19.87 | 172 |
| 2015 Q1 | 58,922,517 | $1,135,845,625 | -$112,246,056 | $19.30 | 177 |
| 2014 Q4 | 63,808,468 | $1,442,021,403 | -$102,346,832 | $22.61 | 193 |
| 2014 Q3 | 65,913,053 | $2,017,849,542 | -$8,334,569 | $30.62 | 214 |
| 2014 Q2 | 65,936,951 | $2,030,848,143 | -$166,930,877 | $30.82 | 223 |
| 2014 Q1 | 70,663,575 | $3,068,598,239 | +$101,748,986 | $43.44 | 229 |