635 hedge funds and large institutions have $12.1B invested in MasTec in 2025 Q3 according to their latest regulatory filings, with 138 funds opening new positions, 197 increasing their positions, 219 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.54% more ownership

Funds ownership: 70.75%72.28% (+1.5%)

4% less call options, than puts

Call options by funds: $116M | Put options by funds: $121M

10% less repeat investments, than reductions

Existing positions increased: 197 | Existing positions reduced: 219

Holders
635
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
$116M
Puts
$121M
Net Calls
Net Calls Change

Top Sellers

1 -$106M
2 -$89.6M
3 -$64.6M
4
Millennium Management
Millennium Management
New York
-$52M
5
Jane Street
Jane Street
New York
-$51.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Allspring Global Investments
101
Allspring Global Investments
North Carolina
$14M
SCM
102
Sterling Capital Management
North Carolina
$14M
Envestnet Asset Management
103
Envestnet Asset Management
Illinois
$13.9M
HSBC Holdings
104
HSBC Holdings
United Kingdom
$13.4M
Citadel Advisors
105
Citadel Advisors
Florida
$13.2M
Swedbank
106
Swedbank
Sweden
$13M
RBI
107
Raiffeisen Bank International
Austria
$13M
California State Teachers Retirement System (CalSTRS)
108
California State Teachers Retirement System (CalSTRS)
California
$12.7M
BS
109
Banco Santander
Spain
$12.3M
QCM
110
Quantinno Capital Management
New York
$12.2M
WCCM
111
Webs Creek Capital Management
Texas
$12M
Susquehanna International Group
112
Susquehanna International Group
Pennsylvania
$11.9M
Teacher Retirement System of Texas
113
Teacher Retirement System of Texas
Texas
$11.9M
ETC
114
Exchange Traded Concepts
Oklahoma
$11.8M
IP
115
Interval Partners
New York
$11.7M
AM
116
AGF Management
Ontario, Canada
$11.7M
VanEck Associates
117
VanEck Associates
New York
$11.5M
FCM
118
Frontier Capital Management
Massachusetts
$11.4M
JVBC
119
J.V. Bruni & Co
Colorado
$11.2M
T. Rowe Price Associates
120
T. Rowe Price Associates
Maryland
$10.9M
Capital Fund Management (CFM)
121
Capital Fund Management (CFM)
France
$10.8M
State Board of Administration of Florida Retirement System
122
State Board of Administration of Florida Retirement System
Florida
$10.7M
LOAME
123
Lombard Odier Asset Management (Europe)
United Kingdom
$10.6M
Ohio Public Employees Retirement System (OPERS)
124
Ohio Public Employees Retirement System (OPERS)
Ohio
$10.3M
NIM
125
NXG Investment Management
Texas
$10M