Mastec Inc (MTZ) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

78,754,902Shares Outstanding

3,020,808Shares held by institutions

$809,365,087Value of institutional holdings

71.75%Institutional ownership %

6.94%Shares Changed QoQ

653No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 653 institutional investors hold a position in Mastec Inc (NYSE:MTZ).

These investors collectively held 71.8% of the company's total shares outstanding in December 2025, down from 72.7% in September 2025.
The company experienced a 6.94% quarterly change in institutional shares held, alongside an increase of 25.10% in total owners annually.
During the quarter, 338 institutions bought more Mastec shares, 214 sold shares, and 101 of the 653 total investors held their position steady.
The aggregate institutional position in Mastec now stands at 56.51Mn shares as of December 2025, after investors increased their holdings (up by 3.67Mn shares quarter on quarter which is down 1.07Mn shares year over year).
BlackRock, Inc. continues to be the largest institutional holder of Mastec as of December 31, 2025, with a position of 7.11Mn shares, representing 9.03% of the company's outstanding stock.
Among the most significant buyers of Mastec during December 2025 were VICTORY CAPITAL MANAGEMENT INC (1.69Mn), PECONIC PARTNERS LLC (850.00K), COATUE MANAGEMENT LLC (677.91K), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (542.73K), BANK OF AMERICA CORP /DE/ (408.84K).
Leading sellers of Mastec stock in December 2025 included BlackRock, Inc. (632.11K), AMERIPRISE FINANCIAL INC (378.34K), Merewether Investment Management, LP (298.10K), BALYASNY ASSET MANAGEMENT L.P. (291.17K), Freestone Grove Partners LP (222.69K).
The top 10 institutional holders of Mastec for the quarter ending December 2025 included BlackRock, Inc. (7.11Mn), VANGUARD GROUP INC (5.93Mn), VICTORY CAPITAL MANAGEMENT INC (2.64Mn), Hill City Capital, LP (2.15Mn), STATE STREET CORP (1.83Mn), PECONIC PARTNERS LLC (1.60Mn), Hood River Capital Management LLC (1.48Mn), FIRST TRUST ADVISORS LP (1.31Mn), BANK OF AMERICA CORP /DE/ (1.25Mn), GEODE CAPITAL MANAGEMENT, LLC (1.22Mn).

653 Institutional Holders

3,020,808 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
PECONIC PARTNERS LLC	31 Dec, 2025	1,600,000	850,000	113.33%	$347,792,000.00
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	408,839	48.32%	$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
Electron Capital Partners, LLC	31 Dec, 2025	804,303	-14,788	-1.81%	$174,831,343.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	732,273	-108,029	-12.86%	$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
COATUE MANAGEMENT LLC	31 Dec, 2025	677,909	677,909	0.00%	$147,357,080.00
FMR LLC	31 Dec, 2025	664,590	198,986	42.74%	$144,461,822.00
Bank of New York Mellon Corp	31 Dec, 2025	636,359	53,962	9.27%	$138,325,409.00

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