Security Snapshot

MASTEC INC - Common Stock (MTZ) Institutional Ownership

CUSIP: 576323109

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

683

Shares (Excl. Options)

58,458,662

Price

$217.37

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.

Create free account to save this page Review latest holder period
Type / Class
Equity / Common Stock
Symbol
MTZ on NYSE
Shares outstanding
79,148,207
Price per share
$321.74
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
58,458,662
Total reported value
$12,710,714,282
% of total 13F portfolios
0.02%
Share change
+1,051,389
Value change
+$236,180,260
Number of holders
683
Price from insider filings
$321.74
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Sponsored

Quick Takeaways

  • MTZ - MASTEC INC - Common Stock is tracked under CUSIP 576323109.
  • 683 institutions reported positions in Q4 2025.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 683 to 51 between Q4 2025 and Q1 2026.
  • Reported value moved from $12,710,714,282 to $187,363,134.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 683 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 576323109?
CUSIP 576323109 identifies MTZ - MASTEC INC - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of MASTEC INC - Common Stock (MTZ) based on Schedule 13D/G filings

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 31 Dec 2025, 683 institutional investors reported holding 58,458,662 shares of MASTEC INC - Common Stock (MTZ). This represents 74% of the company’s total 79,148,207 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MASTEC INC - Common Stock (MTZ) together control 48% 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% 7,111,254 -8.2% 0.03% $1,545,773,337
VANGUARD GROUP INC 7.5% 5,932,754 -1.2% 0.02% $1,289,602,736
VICTORY CAPITAL MANAGEMENT INC 3.3% 2,637,451 +179% 0.32% $573,304,252
Hill City Capital, LP 2.7% 2,155,000 0% 18% $468,432,350
STATE STREET CORP 2.3% 1,826,422 -0.58% 0.01% $397,009,350
PECONIC PARTNERS LLC 2% 1,600,000 +113% 8.3% $347,792,000
Invesco Ltd. 1.9% 1,520,030 -8.7% 0.05% $330,408,916
Hood River Capital Management LLC 1.9% 1,483,661 -9.9% 3.5% $322,503,392
FIRST TRUST ADVISORS LP 1.7% 1,311,433 +28% 0.21% $285,066,296
BANK OF AMERICA CORP /DE/ 1.6% 1,254,966 +48% 0.02% $272,791,959
GEODE CAPITAL MANAGEMENT, LLC 1.5% 1,220,703 +8.4% 0.02% $265,395,039
NORDEA INVESTMENT MANAGEMENT AB 1.5% 1,150,269 -14% 0.22% $252,127,462
Third Point LLC 1.2% 925,000 +28% 2.8% $201,067,250
DIMENSIONAL FUND ADVISORS LP 1.1% 870,846 -6.9% 0.04% $189,308,527
Electron Capital Partners, LLC 1% 804,303 -1.8% 8.1% $174,831,343
MILLENNIUM MANAGEMENT LLC 0.93% 732,273 -12% 0.11% $159,174,182
AQR CAPITAL MANAGEMENT LLC 0.92% 730,979 -19% 0.08% $158,892,797
Point72 Asset Management, L.P. 0.91% 720,771 +9.5% 0.25% $156,673,992
COATUE MANAGEMENT LLC 0.86% 677,909 0.37% $147,357,080
FMR LLC 0.84% 664,590 +43% 0.01% $144,461,822
Bank of New York Mellon Corp 0.8% 636,359 +9.3% 0.02% $138,325,409
JACOBS LEVY EQUITY MANAGEMENT, INC 0.77% 605,874 -17% 0.51% $131,698,831
Merewether Investment Management, LP 0.72% 569,140 -34% 2.8% $123,713,962
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.7% 557,777 +2.9% 0.18% $121,246,123
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.69% 542,733 0% 0.18% $117,974,000

Institutional Holders of MASTEC INC - Common Stock (MTZ) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 594,777 $187,363,134 -$33,907,524 $321.74 51
2025 Q4 58,458,662 $12,710,714,282 +$236,180,260 $217.37 683
2025 Q3 57,040,453 $12,131,237,112 +$207,584,114 $212.81 646
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

Sponsored