Mastec Inc (MTZ) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

78,648,000Shares Outstanding

59,644,016Shares held by institutions

$22,770,295,988Value of institutional holdings

75.84%Institutional ownership %

5.65%Shares Changed QoQ

677No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mastec Inc (NYSE:MTZ) has 676 institutional investors that have filed 13F reports for the period ending December 2025.

Collectively, these holders controlled 75.3% of Mastec's outstanding shares in December 2025, up from 74.2% in September 2025.
They increased total shares held in MTZ by 5.54% quarter over quarter, and investors in Mastec increased 29.75% from a year ago.
Of these 676 funds, 349 grew their exposure to Mastec, 225 cut back, and 102 maintained positions.
The aggregate institutional position in Mastec amounted to 59.19Mn shares as of December 2025, up by 3.11Mn shares quarter on quarter, and down 78.12K shares year over year.
As of December 31, 2025, the biggest holder of Mastec is Bangor Savings Bank at 3.12K shares, representing 0.0% of shares outstanding.
The biggest sellers of Mastec for the quarter ending December 2025 included Byrne Asset Management LLC (5).
Business Quant data shows the 3 biggest positions in Mastec as of December 2025 are held by Bangor Savings Bank (3.12K), Byrne Asset Management LLC (25), Ares Financial Consulting, LLC (21).

678 Institutional Holders

59,644,016 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	7,111,254	-632,111	-8.16%	$1,545,773,337.00
VANGUARD GROUP INC	31 Dec, 2025	5,932,754	-74,438	-1.24%	$1,289,602,736.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	2,637,451	1,690,896	178.64%	$573,304,252.00
Hill City Capital, LP	31 Dec, 2025	2,155,000	0	0.00%	$468,432,350.00
State Street Corp	31 Dec, 2025	1,826,422	-10,729	-0.58%	$397,009,350.00
Electron Capital Partners, LLC	31 Dec, 2025	1,608,606	789,515	96.39%	$349,662,686.00
PECONIC PARTNERS LLC	31 Dec, 2025	1,600,000	850,000	113.33%	$347,792,000.00
Invesco Ltd.	31 Dec, 2025	1,520,030	-144,371	-8.67%	$330,408,916.00
Hood River Capital Management LLC	31 Dec, 2025	1,483,661	-162,764	-9.89%	$322,503,392.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	1,311,433	289,258	28.30%	$285,066,296.00
Bank Of America Corp /De/	31 Dec, 2025	1,254,966	-437,288	-25.84%	$272,791,959.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,220,703	94,344	8.38%	$265,395,039.00
NORDEA INVESTMENT MANAGEMENT AB	31 Dec, 2025	1,150,269	-191,754	-14.29%	$252,127,462.00
Third Point LLC	31 Dec, 2025	925,000	200,000	27.59%	$201,067,250.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	870,846	-64,158	-6.86%	$189,308,527.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	732,273	-101,129	-12.13%	$159,174,182.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	730,979	-169,505	-18.82%	$158,892,797.00
Point72 Asset Management, L.P.	31 Dec, 2025	720,771	62,570	9.51%	$156,673,992.00
Goldman Sachs Group Inc	31 Dec, 2025	701,308	377,032	116.27%	$152,443,320.00
COATUE MANAGEMENT LLC	31 Dec, 2025	677,909	677,909	0.00%	$147,357,080.00

1 - 20 of 678

Research Tools