684 hedge funds and large institutions have $12.7B invested in MasTec in 2025 Q4 according to their latest regulatory filings, with 115 funds opening new positions, 240 increasing their positions, 225 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

5% more capital invested

Capital invested by funds: $12.1B → $12.7B (+$562M)

0% more funds holding in top 10

Funds holding in top 10: 1818 (0)

48% less call options, than puts

Call options by funds: $111M | Put options by funds: $214M

Holders
684
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$111M
Puts
$214M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
101
Moore Capital Management
New York
$14.1M
MWM
102
Moran Wealth Management
Florida
$14.1M
Swedbank
103
Swedbank
Sweden
$14M
Daiwa Securities Group
104
Daiwa Securities Group
Japan
$13.8M
ETC
105
Exchange Traded Concepts
Oklahoma
$13.8M
HSBC Holdings
106
HSBC Holdings
United Kingdom
$13.7M
Mackenzie Financial
107
Mackenzie Financial
Ontario, Canada
$13.5M
Asset Management One
108
Asset Management One
Japan
$13.2M
Norges Bank
109
Norges Bank
Norway
$13.1M
California State Teachers Retirement System (CalSTRS)
110
California State Teachers Retirement System (CalSTRS)
California
$13M
BS
111
Banco Santander
Spain
$12.6M
LP
112
LMR Partners
United Kingdom
$12.5M
SAM
113
Scopus Asset Management
New York
$12.4M
ACM
114
Atika Capital Management
New York
$12.2M
SC
115
SummitTX Capital
Texas
$12.1M
T. Rowe Price Associates
116
T. Rowe Price Associates
Maryland
$11.9M
CS
117
Candriam SCA
Luxembourg
$11.8M
Allspring Global Investments
118
Allspring Global Investments
North Carolina
$11.8M
AM
119
AGF Management
Ontario, Canada
$11.6M
GLA
120
Great Lakes Advisors
Illinois
$11.5M
SCM
121
Sterling Capital Management
North Carolina
$11.4M
State of Wisconsin Investment Board
122
State of Wisconsin Investment Board
Wisconsin
$11.2M
JVBC
123
J.V. Bruni & Co
Colorado
$11.2M
Capital Fund Management (CFM)
124
Capital Fund Management (CFM)
France
$11.1M
State Board of Administration of Florida Retirement System
125
State Board of Administration of Florida Retirement System
Florida
$10.9M