MASTEC INC

MTZNYSE

$215.93+2.27 (+1.06%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MASTEC INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+0.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	9.67%	$3.18B	0.05%	Not reported
Peconic Partners LLC	4.66%	$1.53B	19.02%	Add 2.79%
Vanguard Capital Management LLC	3.58%	$1.18B	0.03%	Not reported
Vanguard Portfolio Management LLC	3.56%	$1.17B	0.05%	Not reported
State Street Corp	2.84%	$934M	0.03%	Not reported
Hill City Capital, LP	2.73%	$897M	20.94%	Not reported
Lone Pine Capital LLC	1.70%	$560M	3.42%	Reduce 12.14%
Bank of America Corp	1.69%	$556M	0.04%	Not reported
First Trust Advisors LP	1.68%	$553M	0.33%	Reduce 5.89%
JPMorgan Chase & Co	1.67%	$567M	0.03%	Not reported
Geode Capital Management, LLC	1.62%	$530M	0.03%	Not reported
Invesco Ltd.	1.57%	$516M	0.04%	Not reported
Victory Capital Management Inc	1.53%	$503M	0.28%	Not reported
Hood River Capital Management LLC	1.49%	$488M	3.54%	Reduce 9.38%
FMR LLC	1.13%	$370M	0.02%	Not reported
Ameriprise Financial Inc	0.93%	$306M	0.06%	Not reported
Bank of New York Mellon Corp	0.85%	$281M	0.05%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.84%	$275M	0.33%	Not reported
AQR Capital Management LLC	0.83%	$274M	0.10%	Not reported
Morgan Stanley	0.83%	$272M	0.01%	Not reported
Dimensional Fund Advisors LP	0.81%	$265M	0.05%	Not reported
Electron Capital Partners, LLC	0.78%	$258M	10.30%	Reduce 13.02%
Canada Pension Plan Investment Board	0.78%	$258M	0.14%	Reduce 2.98%
T. Rowe Price Investment Management, Inc.	0.75%	$247M	0.16%	New Not reported
Charles Schwab Investment Management Inc	0.70%	$229M	0.03%	Not reported
Goldman Sachs Group Inc	0.69%	$226M	0.02%	Not reported
Nordea Investment Management AB	0.67%	$225M	0.18%	Reduce 27.83%
Northern Trust Corp	0.66%	$215M	0.03%	Not reported
Coatue Management LLC	0.65%	$215M	0.44%	Reduce 11.37%
UBS Group AG	0.65%	$212M	0.03%	Not reported
BNP Paribas Financial Markets	0.55%	$182M	0.06%	Not reported
Qube Research & Technologies Ltd	0.52%	$170M	0.16%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.51%	$168M	0.03%	Not reported
Vanguard Fiduciary Trust Co	0.51%	$166M	0.04%	Not reported
Amundi	0.51%	$166M	0.04%	Not reported
Westfield Capital Management Co LP	0.47%	$156M	0.51%	Add 49.79%
Anomaly Capital Management, LP	0.39%	$128M	4.88%	Add 36.71%
Third Point LLC	0.37%	$121M	2.58%	Reduce 9.38%
140 Summer Partners LP	0.34%	$112M	7.97%	Reduce 18.54%
Assenagon Asset Management S.A.	0.33%	$108M	0.07%	Not reported
Forest Avenue Capital Management LP	0.31%	$103M	4.34%	Reduce 7.87%
Freestone Grove Partners LP	0.31%	$103M	0.66%	Add 11.88%
Bessemer Group Inc	0.29%	$95.9M	0.13%	Reduce 0.64%
Clearbridge Investments, LLC	0.28%	$90.9M	0.08%	Not reported
Federated Hermes, Inc.	0.27%	$90.1M	0.13%	Not reported
Hennessy Advisors Inc	0.26%	$85.3M	2.73%	Not reported
Merewether Investment Management, LP	0.24%	$79.1M	1.49%	Reduce 14.72%
Nuveen, LLC	0.24%	$78.7M	0.02%	Not reported
Rhumbline Advisers	0.24%	$78.5M	0.06%	Not reported
Legal & General Group Plc	0.23%	$75.7M	0.02%	Not reported

50 of 856 holders

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