647 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, 201 increasing their positions, 224 reducing their positions, and 73 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:

1.6% more ownership

Funds ownership: 70.7%72.29% (+1.6%)

4% less call options, than puts

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

10% less repeat investments, than reductions

Existing positions increased: 201 | Existing positions reduced: 224

Holders
647
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
Name Holding Trade Value Shares
Change
Change in
Stake
AAP
201
Ardsley Advisory Partners
Connecticut
$4.26M
PIWA
202
Prevail Innovative Wealth Advisors
Kansas
$4.25M
SSWM
203
Sheets Smith Wealth Management
North Carolina
$4.23M
TPA
204
Trivium Point Advisory
Connecticut
$4.22M
BIP
205
Bouvel Investment Partners
Pennsylvania
$4.18M
Universal-Beteiligungs- und Servicegesellschaft
206
Universal-Beteiligungs- und Servicegesellschaft
Germany
$4.09M
EGM
207
Engineers Gate Manager
New York
$4.07M
UOC
208
UBS O'Connor
Illinois
$4.06M
TG
209
TCW Group
California
$4.02M
ASRS
210
Arizona State Retirement System
Arizona
$3.97M
TRSOTSOK
211
Teachers Retirement System of the State of Kentucky
Kentucky
$3.97M
VCM
212
Voleon Capital Management
California
$3.88M
Cetera Investment Advisers
213
Cetera Investment Advisers
Illinois
$3.85M
FF
214
Farrow Financial
Vermont
$3.81M
Handelsbanken Fonder
215
Handelsbanken Fonder
Sweden
$3.81M
Mercer Global Advisors
216
Mercer Global Advisors
Colorado
$3.78M
Natixis Advisors
217
Natixis Advisors
Massachusetts
$3.78M
TI
218
Trexquant Investment
Connecticut
$3.78M
HIM
219
Hillsdale Investment Management
Ontario, Canada
$3.77M
LSERS
220
Louisiana State Employees Retirement System
Louisiana
$3.64M
Thrivent Financial for Lutherans
221
Thrivent Financial for Lutherans
Minnesota
$3.53M
Mariner
222
Mariner
Kansas
$3.52M
Caisse de Depot et Placement du Quebec (CDPQ)
223
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$3.51M
GCM
224
Gables Capital Management
Florida
$3.44M
LSA
225
L & S Advisors
California
$3.38M