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
BFM
126
Boothbay Fund Management
New York
$10.2M
Ohio Public Employees Retirement System (OPERS)
127
Ohio Public Employees Retirement System (OPERS)
Ohio
$10.2M
Verition Fund Management
128
Verition Fund Management
Connecticut
$10.1M
Cerity Partners
129
Cerity Partners
New York
$10M
JFG
130
Jefferies Financial Group
New York
$9.79M
IECM
131
Intrinsic Edge Capital Management
Illinois
$9.62M
SI
132
Stephens Inc
Arkansas
$9.52M
AAM
133
Advisors Asset Management
Colorado
$9.18M
TI
134
Tidal Investments
Wisconsin
$9.1M
FWC
135
First Washington Corp
Washington
$9.08M
MML Investors Services
136
MML Investors Services
Massachusetts
$8.91M
Alyeska Investment Group
137
Alyeska Investment Group
Illinois
$8.89M
JSSH
138
J. Safra Sarasin Holding
$8.81M
ZDA
139
Zweig-DiMenna Associates
New York
$8.69M
Two Sigma Advisers
140
Two Sigma Advisers
New York
$8.59M
WCM
141
Wedge Capital Management
North Carolina
$8.29M
VanEck Associates
142
VanEck Associates
New York
$8.21M
IIM
143
INTECH Investment Management
Florida
$7.94M
ZIM
144
Zacks Investment Management
Illinois
$7.86M
CIBC World Market
145
CIBC World Market
Ontario, Canada
$7.84M
Canada Life
146
Canada Life
Manitoba, Canada
$7.72M
Cohen & Steers
147
Cohen & Steers
New York
$7.62M
MIM
148
Marco Investment Management
Georgia
$7.53M
EAM
149
Erste Asset Management
Austria
$7.36M
DIA
150
Dana Investment Advisors
Wisconsin
$6.99M