Mastec MTZ Institutional Ownership

NYSE MTZ

$240.54 +8.39 (+3.61%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

908 Institutions

Increased 515 56.7%

Unchanged 103 11.3%

Reduced 290 31.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

76.83%

▲+2.40 pp QoQ

Shares Held by Institutions

59.99Mn

of 78.08Mn outstanding

▲+5.26% QoQ

Shares Outstanding

78.08Mn

18.09Mn held outside 13F filers

Institutional Investors

908

filed 13F for Jun 2026

▲+105 vs prior quarter

Net Shares Added (QoQ)

+3.00Mn

accumulated since last quarter

Value of Holdings

$14.43Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Mastec Inc (NYSE:MTZ) has 908 institutional investors with active 13F positions as of June 2026.

These investors held 76.8% of outstanding shares in June 2026, up from 74.4% in March 2026.
They increased total shares held in Mastec by 5.26% from last quarter, and the number of investors in MTZ increased 53.12% annually.
During the quarter, 515 of these 908 funds increased positions in MTZ, 290 reduced exposure, and 103 held steady.
Institutional investors collectively held 59.99Mn shares in Mastec as of June 2026, up by 3.0Mn shares quarter on quarter, and up 4.08Mn shares year over year.
BlackRock, Inc. leads ownership in MTZ with 7.64Mn shares as of June 30, 2026, equal to 9.78% of outstanding shares.
The largest buyers of Mastec for the quarter ending June 2026 were Jpmorgan Chase & Co (1.12Mn), T. Rowe Price Investment Management, Inc. (593.72K), Sixth Street Partners Management Company, L.P. (551.32K), Ameriprise Financial Inc (503.18K), State Street Corp (374.98K).
The biggest sellers of Mastec for the quarter ending June 2026 included MILLENNIUM MANAGEMENT LLC (459.3K), VICTORY CAPITAL MANAGEMENT INC (382.44K), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (279.3K), Point72 Asset Management, L.P. (276.75K), OP Asset Management Ltd (211.71K).
According to Business Quant data, leading holders of MTZ for June 2026 are BlackRock, Inc. (7.64Mn), PECONIC PARTNERS LLC (3.68Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.83Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.81Mn), State Street Corp (2.24Mn), Hill City Capital, LP (2.15Mn), LONE PINE CAPITAL LLC (1.35Mn), Bank Of America Corp /De/ (1.34Mn), FIRST TRUST ADVISORS LP (1.33Mn), Jpmorgan Chase & Co (1.32Mn).

Form 13F Holdings

908 Institutional Holders

Report period 30 Jun, 2026

Total shares held 59.99Mn

Of outstanding 76.83%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	7,638,487	9.78%	▲328,878	+4.50%	$3.18Bn
2	PECONIC PARTNERS LLC	0001050464	3,678,431	4.71%	▲100,000	+2.79%	$1.53Bn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,831,849	3.63%	▲27,554	+0.98%	$1.18Bn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,812,131	3.60%	▲42,093	+1.52%	$1.17Bn
5	State Street Corp	0000093751	2,244,771	2.88%	▲374,983	+20.05%	$933.96Mn
6	Hill City Capital, LP	0001837343	2,155,000	2.76%	0	0.00%	$896.61Mn
7	LONE PINE CAPITAL LLC	0001061165	1,345,157	1.72%	▼185,893	-12.14%	$559.67Mn
8	Bank Of America Corp /De/	0000070858	1,335,924	1.71%	▲5,858	+0.44%	$555.82Mn
9	FIRST TRUST ADVISORS LP	0001125816	1,328,399	1.70%	▼83,185	-5.89%	$552.69Mn
10	Jpmorgan Chase & Co	0000019617	1,318,161	1.69%	▲1,116,159	+552.55%	$566.83Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,278,139	1.64%	▼93,770	-6.84%	$530.43Mn
12	Invesco Ltd.	0000914208	1,241,384	1.59%	▲15,627	+1.27%	$516.49Mn
13	VICTORY CAPITAL MANAGEMENT INC	0001040188	1,210,079	1.55%	▼382,444	-24.01%	$503.47Mn
14	Hood River Capital Management LLC	0001578177	1,173,918	1.50%	▼121,467	-9.38%	$488.42Mn
15	FMR LLC	0000315066	890,103	1.14%	▲262,202	+41.76%	$370.34Mn
16	Ameriprise Financial Inc	0000820027	734,976	0.94%	▲503,180	+217.08%	$305.77Mn
17	Bank of New York Mellon Corp	0001390777	674,288	0.86%	▲18,184	+2.77%	$280.54Mn
18	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	660,440	0.85%	▲55,763	+9.22%	$274.79Mn
19	AQR CAPITAL MANAGEMENT LLC	0001167557	657,603	0.84%	▼2,451	-0.37%	$273.60Mn
20	Morgan Stanley	0000895421	653,503	0.84%	▲66,760	+11.38%	$271.90Mn

Showing 1 to 20 of 908 holders