Alyeska Investment Group, L.P. Mastec Inc Transaction History

Alyeska Investment Group, L.P.

$29.9 Billion
Q3 2025

A detailed history of Alyeska Investment Group, L.P. transactions in Mastec Inc stock. As of the latest transaction made, Alyeska Investment Group, L.P. holds 5,819 shares of MTZ stock, worth $1.12 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

5,819

Previous 12,117 51.98%

Holding current value

$1.12 Million

Previous $2.07 Million 40.05%

% of portfolio

0.0%

Previous 0.01%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$168.23 - $212.81 $1.06 Million - $1.34 Million	-6,298 Reduced 51.98%	5,819 $1.24 Million
Q2 2025 Aug 14, 2025	BUY	$106.07 - $171.99 $1.29 Million - $2.08 Million	12,117 New	12,117 $2.07 Million
Q4 2024 Feb 14, 2025	SELL	$119.94 - $147.94 $59 Million - $72.8 Million	-491,937 Reduced 80.57%	118,607 $16.1 Million
Q3 2024 Nov 14, 2024	BUY	$97.3 - $126.14 $59.4 Million - $77 Million	610,544 New	610,544 $75.1 Million
Q4 2023 Feb 14, 2024	BUY	$47.6 - $75.72 $48.7 Million - $77.4 Million	1,022,521 Added 597.58%	1,193,631 $90.4 Million

Q2 2023 Aug 14, 2023	SELL	$85.2 - $117.97 $14.2 Million - $19.6 Million	-166,486 Reduced 49.32%	171,110 $20.2 Million
Q1 2023 May 15, 2023	BUY	$86.29 - $102.38 $28.8 Million - $34.2 Million	333,668 Added 8494.6%	337,596 $31.9 Million
Q4 2022 Feb 14, 2023	SELL	$63.24 - $95.69 $27.3 Million - $41.2 Million	-430,918 Reduced 99.1%	3,928 $335,000
Q3 2022 Nov 14, 2022	BUY	$63.5 - $85.26 $4.37 Million - $5.86 Million	68,773 Added 18.79%	434,846 $27.6 Million
Q2 2022 Aug 15, 2022	BUY	$68.67 - $87.6 $25 Million - $31.8 Million	363,414 Added 13667.32%	366,073 $26.2 Million
Q1 2022 May 16, 2022	SELL	$71.94 - $96.57 $1.86 Million - $2.49 Million	-25,809 Reduced 90.66%	2,659 $232,000
Q1 2021 May 17, 2021	SELL	$67.29 - $98.93 $23.9 Million - $35.1 Million	-355,061 Reduced 92.58%	28,468 $2.67 Million
Q1 2020 May 15, 2020	SELL	$23.36 - $64.34 $3.02 Million - $8.31 Million	-129,086 Reduced 25.18%	383,529 $12.6 Million
Q4 2019 Feb 14, 2020	BUY	$60.09 - $72.82 $8.88 Million - $10.8 Million	147,847 Added 40.53%	512,615 $32.9 Million
Q3 2019 Nov 14, 2019	SELL	$49.31 - $66.36 $15.4 Million - $20.7 Million	-312,321 Reduced 46.13%	364,768 $23.7 Million
Q2 2019 Aug 14, 2019	SELL	$45.75 - $52.61 $12.3 Million - $14.1 Million	-268,889 Reduced 28.42%	677,089 $0
Q1 2019 May 15, 2019	BUY	$40.05 - $48.1 $5.29 Million - $6.35 Million	132,086 Added 16.23%	945,978 $0
Q4 2018 Feb 14, 2019	SELL	$37.73 - $50.67 $16.6 Million - $22.3 Million	-439,239 Reduced 35.05%	813,892 $33 Million
Q3 2018 Nov 14, 2018	BUY	$40.65 - $53.2 $17.1 Million - $22.3 Million	419,633 Added 50.35%	1,253,131 $56 Million
Q2 2018 Aug 14, 2018	BUY	$44.0 - $54.5 $4.78 Million - $5.92 Million	108,555 Added 14.97%	833,498 $42.3 Million
Q1 2018 May 15, 2018	BUY	$45.2 - $54.75 $4.63 Million - $5.61 Million	102,427 Added 16.45%	724,943 $34.1 Million
Q4 2017 Feb 14, 2018	BUY	$39.93 - $50.7 $24.9 Million - $31.6 Million	622,516	622,516 $30.5 Million

Others Institutions Holding MTZ

# of Institutions

714

Shares Held

54.5M

Call Options Held

577K

Put Options Held

604K

View Full List

About MASTEC INC

Ticker MTZ
Exchange NYSE
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 78,192,600
Market Cap $15B
Description
MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through Communications, Clean Energy and Infrastructure, Oil and Gas, Power Delivery, and Other ...

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Alyeska Investment Group, L.P. Mastec Inc Transaction History