638 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, 200 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%72.29% (+1.5%)

4% less call options, than puts

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

9% less repeat investments, than reductions

Existing positions increased: 200 | Existing positions reduced: 219

Holders
638
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
Cerity Partners
126
Cerity Partners
New York
$9.63M
IECM
127
Intrinsic Edge Capital Management
Illinois
$9.42M
WCM
128
Wedge Capital Management
North Carolina
$9.13M
AAM
129
Advisors Asset Management
Colorado
$9.07M
YCM
130
Yaupon Capital Management
New York
$9M
FWC
131
First Washington Corp
Washington
$8.97M
PI
132
PineBridge Investments
New York
$8.97M
SSA
133
Schonfeld Strategic Advisors
New York
$8.92M
PCM
134
Pinnbrook Capital Management
New York
$8.64M
JSSH
135
J. Safra Sarasin Holding
$8.63M
Deutsche Bank
136
Deutsche Bank
Germany
$8.51M
ACM
137
Atika Capital Management
New York
$8.41M
Commonwealth Equity Services
138
Commonwealth Equity Services
Massachusetts
$8.29M
MML Investors Services
139
MML Investors Services
Massachusetts
$8.18M
ZIM
140
Zacks Investment Management
Illinois
$7.69M
American Century Companies
141
American Century Companies
Missouri
$7.6M
CSS
142
Cubist Systematic Strategies
Connecticut
$7.47M
Canada Life
143
Canada Life
Manitoba, Canada
$7.34M
SAM
144
Scopus Asset Management
New York
$7.28M
JF
145
Jump Financial
Illinois
$7.18M
LIP
146
Lighthouse Investment Partners
Florida
$6.92M
MIM
147
MetLife Investment Management
New Jersey
$6.84M
CCS
148
Concentric Capital Strategies
Connecticut
$6.82M
MIM
149
Marco Investment Management
Georgia
$6.73M
DIA
150
Dana Investment Advisors
Wisconsin
$6.71M