MasTec Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:MY8 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
13 May 25	Sell€690,645	C. Campbell	Individual	5,000	€138.73
24 Mar 25	Sell€306,637	Ernest Csiszar	Individual	2,517	€121.83
04 Dec 24	Sell€27,159	Javier Palomarez	Individual	200	€135.79
26 Nov 24	Sell€415,425	C. Campbell	Individual	3,000	€138.48
11 Nov 24	Sell€409,590	C. Campbell	Individual	3,000	€136.53
06 Nov 24	Sell€78,723	T. Love	Individual	600	€131.21
18 Sep 24	Sell€313,725	C. Campbell	Individual	3,000	€104.58
22 Aug 24	Sell€484,794	Ernest Csiszar	Individual	4,853	€99.90

Insider Trading Volume

Insider Buying: MY8 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MY8?
Owner Type	Number of Shares	Ownership Percentage
State or Government	58,972	0.076%
Private Companies	701,000	0.903%
General Public	2,773,498	3.57%
Individual Insiders	16,625,243	21.4%
Institutions	57,446,199	74%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 66.19% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.3%	Jorge Mas	11,071,231	€1.5b	0.34%	no data
9.88%	BlackRock, Inc.	7,663,985	€1.1b	5.19%	0.02%
7.39%	The Vanguard Group, Inc.	5,737,699	€789.8m	-0.28%	0.01%
6.39%	Jose Mas	4,961,936	€683.0m	10.3%	no data
2.76%	Hill City Capital LP	2,145,000	€295.3m	0.7%	21.04%
2.47%	State Street Global Advisors, Inc.	1,917,285	€263.9m	0.76%	0.01%
2.31%	Nordea Investment Management, AB	1,794,304	€247.0m	-8.08%	0.17%
2%	Hood River Capital Management LLC	1,554,387	€214.0m	1.52%	3.81%
1.57%	Dimensional Fund Advisors LP	1,219,695	€167.9m	3.36%	0.03%
1.46%	Invesco Ltd.	1,130,847	€155.7m	-37.6%	0.05%
1.42%	Geode Capital Management, LLC	1,105,218	€152.1m	7.71%	0.01%
1.32%	Goldman Sachs Asset Management, L.P.	1,024,163	€141.0m	220%	0.04%
1.24%	AllianceBernstein L.P.	962,650	€132.5m	-15.9%	0.05%
1.23%	AQR Capital Management, LLC	953,654	€131.3m	23.5%	0.14%
1.22%	Millennium Management LLC	946,346	€130.3m	-35.2%	0.13%
1.12%	UBS Asset Management AG	867,140	€119.4m	-1.3%	0.01%
1%	Legacy Advisors, LLC	776,687	€106.9m	-5.13%	11.77%
0.99%	Macquarie Investment Management Business Trust	771,291	€106.2m	-6.19%	0.15%
0.98%	Merewether Investment Management LP	761,016	€104.8m	122%	4.31%
0.95%	First Trust Advisors LP	738,445	€101.6m	25.6%	0.08%
0.94%	Electron Capital Partners, LLC	732,829	€100.9m	-29.3%	7.23%
0.92%	Cooper Creek Partners Management LLC	714,043	€98.3m	125%	3.41%
0.79%	Charles Schwab Investment Management, Inc.	611,876	€84.2m	-2.02%	0.01%
0.78%	Pacer Advisors, Inc.	603,506	€83.1m	-64.1%	0.24%
0.78%	Bank of America Corporation, Asset Management Arm	602,763	€83.0m	87.5%	0.03%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/22 08:12
End of Day Share Price	2025/05/22 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

MasTec, Inc. is covered by 36 analysts. 16 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Justin Hauke	Baird
Andrew Wittmann	Baird
Adam Seiden	Barclays