796 hedge funds and large institutions have $18.6B invested in MasTec in 2026 Q1 according to their latest regulatory filings, with 180 funds opening new positions, 249 increasing their positions, 261 reducing their positions, and 64 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 call options, than puts

Call options by funds: $ | Put options by funds: $

15% more funds holding

Funds holding: 692796 (+104)

0.81% less ownership

Funds ownership: 74.3%73.49% (-0.81%)

5% less repeat investments, than reductions

Existing positions increased: 249 | Existing positions reduced: 261

Holders
796
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$225M
Puts
$177M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
D.E. Shaw & Co
126
D.E. Shaw & Co
New York
$17.2M
AM
127
AGF Management
Ontario, Canada
$16.7M
JVBC
128
J.V. Bruni & Co
Colorado
$16.3M
State Board of Administration of Florida Retirement System
129
State Board of Administration of Florida Retirement System
Florida
$16.1M
VAM
130
Vanguard Asset Management
$15.6M
AAM
131
Advisors Asset Management
Colorado
$15.3M
State of Wisconsin Investment Board
132
State of Wisconsin Investment Board
Wisconsin
$15.3M
SO
133
STRS Ohio
Ohio
$15.3M
Daiwa Securities Group
134
Daiwa Securities Group
Japan
$15.3M
Bank of Nova Scotia
135
Bank of Nova Scotia
Ontario, Canada
$14.9M
Cerity Partners
136
Cerity Partners
New York
$14.8M
GLA
137
Great Lakes Advisors
Illinois
$14.8M
Asset Management One
138
Asset Management One
Japan
$14.6M
Voloridge Investment Management
139
Voloridge Investment Management
Florida
$14.5M
MC
140
Muhlenkamp & Co
Pennsylvania
$13.8M
FWC
141
First Washington Corp
Washington
$13.4M
SCM
142
Sterling Capital Management
North Carolina
$13.4M
LP
143
LMR Partners
United Kingdom
$13.2M
JSSH
144
J. Safra Sarasin Holding
$13M
BA
145
Bridgewater Associates
Connecticut
$12.9M
Janney Montgomery Scott
146
Janney Montgomery Scott
Pennsylvania
$12.8M
DWA
147
Dorsey Wright & Associates
California
$12.6M
Carson Wealth (CWM LLC)
148
Carson Wealth (CWM LLC)
Nebraska
$12.3M
PI
149
PineBridge Investments
New York
$12.2M
JG
150
Jain Global
New York
$12.1M