517 hedge funds and large institutions have $6.56B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 203 increasing their positions, 159 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less ownership

Funds ownership:

2% less funds holding

Funds holding: 526517 (-9)

15% less call options, than puts

Call options by funds: $66.1M | Put options by funds: $77.8M

16% less capital invested

Capital invested by funds: $7.82B → $6.56B (-$1.26B)

Holders
517
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$66.1M
Puts
$77.8M
Net Calls
Net Calls Change

Top Buyers

1 +$75.6M
2 +$48.9M
3 +$46.2M
4
BlackRock
BlackRock
New York
+$44.1M
5
Blackstone Inc
Blackstone Inc
New York
+$36.8M

Top Sellers

1 -$126M
2 -$61.6M
3 -$60M
4
Citadel Advisors
Citadel Advisors
Florida
-$57.6M
5
Invesco
Invesco
Georgia
-$40.1M
Name Holding Trade Value Shares
Change
Change in
Stake
TI
101
Trexquant Investment
Connecticut
$7.37M
California State Teachers Retirement System (CalSTRS)
102
California State Teachers Retirement System (CalSTRS)
California
$7.07M
Cohen & Steers
103
Cohen & Steers
New York
$7.02M
VanEck Associates
104
VanEck Associates
New York
$6.95M
QCM
105
Quantinno Capital Management
New York
$6.92M
LOAME
106
Lombard Odier Asset Management (Europe)
United Kingdom
$6.76M
State Board of Administration of Florida Retirement System
107
State Board of Administration of Florida Retirement System
Florida
$5.9M
AG
108
Algert Global
California
$5.81M
VOYA Investment Management
109
VOYA Investment Management
Georgia
$5.42M
T. Rowe Price Associates
110
T. Rowe Price Associates
Maryland
$5.39M
D.E. Shaw & Co
111
D.E. Shaw & Co
New York
$5.36M
KACA
112
Kayne Anderson Capital Advisors
California
$5.35M
Envestnet Asset Management
113
Envestnet Asset Management
Illinois
$5.34M
SG Americas Securities
114
SG Americas Securities
New York
$5.34M
Asset Management One
115
Asset Management One
Japan
$5.25M
Commonwealth Equity Services
116
Commonwealth Equity Services
Massachusetts
$5.2M
SCM
117
SIR Capital Management
New York
$5.05M
FWC
118
First Washington Corp
Washington
$4.93M
CS
119
Candriam SCA
Luxembourg
$4.89M
PC
120
Paradoxiom Capital
Connecticut
$4.8M
New York State Common Retirement Fund
121
New York State Common Retirement Fund
New York
$4.75M
Los Angeles Capital Management
122
Los Angeles Capital Management
California
$4.7M
WCM
123
Wedge Capital Management
North Carolina
$4.68M
AAP
124
Ardsley Advisory Partners
Connecticut
$4.67M
AAM
125
Advisors Asset Management
Colorado
$4.65M