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
CTI
76
Community Trust & Investment
Kentucky
$35.4M
DCM
77
Driehaus Capital Management
Illinois
$33.5M
Federated Hermes
78
Federated Hermes
Pennsylvania
$33.1M
Holocene Advisors
79
Holocene Advisors
New York
$32.7M
WCCM
80
Webs Creek Capital Management
Texas
$32.7M
Two Sigma Investments
81
Two Sigma Investments
New York
$32.3M
Jennison Associates
82
Jennison Associates
New York
$32M
Envestnet Asset Management
83
Envestnet Asset Management
Illinois
$30.4M
Jane Street
84
Jane Street
New York
$30.2M
LA
85
Legacy Advisors
Pennsylvania
$30.2M
TI
86
Trexquant Investment
Connecticut
$29.6M
Legal & General Group
87
Legal & General Group
United Kingdom
$29.6M
BHCM
88
Brevan Howard Capital Management
Jersey
$29.5M
SEI Investments
89
SEI Investments
Pennsylvania
$28.7M
Alyeska Investment Group
90
Alyeska Investment Group
Illinois
$28.1M
QCM
91
Quantinno Capital Management
New York
$27.2M
CCPM
92
Cooper Creek Partners Management
New York
$26.9M
LGF
93
LGT Group Foundation
Liechtenstein
$26.1M
LPL Financial
94
LPL Financial
California
$26M
Toronto Dominion Bank
95
Toronto Dominion Bank
Ontario, Canada
$25.7M
MCM
96
Makena Capital Management
California
$25.5M
Retirement Systems of Alabama
97
Retirement Systems of Alabama
Alabama
$24.2M
Russell Investments Group
98
Russell Investments Group
United Kingdom
$24.1M
California State Teachers Retirement System (CalSTRS)
99
California State Teachers Retirement System (CalSTRS)
California
$23.5M
NIM
100
NXG Investment Management
Texas
$22.8M