638 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, 200 increasing their positions, 219 reducing their positions, and 74 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:

1.54% more ownership

Funds ownership: 70.75%72.29% (+1.5%)

4% less call options, than puts

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

9% less repeat investments, than reductions

Existing positions increased: 200 | Existing positions reduced: 219

Holders
638
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

Top Sellers

1 -$106M
2 -$89.6M
3 -$64.6M
4
Millennium Management
Millennium Management
New York
-$52M
5
Jane Street
Jane Street
New York
-$51.4M
Name Holding Trade Value Shares
Change
Change in
Stake
YCM
201
Yousif Capital Management
Michigan
$4.28M
AAP
202
Ardsley Advisory Partners
Connecticut
$4.26M
PIWA
203
Prevail Innovative Wealth Advisors
Kansas
$4.25M
SSWM
204
Sheets Smith Wealth Management
North Carolina
$4.23M
TPA
205
Trivium Point Advisory
Connecticut
$4.22M
BIP
206
Bouvel Investment Partners
Pennsylvania
$4.18M
Universal-Beteiligungs- und Servicegesellschaft
207
Universal-Beteiligungs- und Servicegesellschaft
Germany
$4.09M
EGM
208
Engineers Gate Manager
New York
$4.07M
UOC
209
UBS O'Connor
Illinois
$4.06M
TG
210
TCW Group
California
$4.02M
ASRS
211
Arizona State Retirement System
Arizona
$3.97M
TRSOTSOK
212
Teachers Retirement System of the State of Kentucky
Kentucky
$3.97M
VCM
213
Voleon Capital Management
California
$3.88M
Cetera Investment Advisers
214
Cetera Investment Advisers
Illinois
$3.85M
FF
215
Farrow Financial
Vermont
$3.81M
Handelsbanken Fonder
216
Handelsbanken Fonder
Sweden
$3.81M
Mercer Global Advisors
217
Mercer Global Advisors
Colorado
$3.78M
Natixis Advisors
218
Natixis Advisors
Massachusetts
$3.78M
TI
219
Trexquant Investment
Connecticut
$3.78M
HIM
220
Hillsdale Investment Management
Ontario, Canada
$3.77M
LSERS
221
Louisiana State Employees Retirement System
Louisiana
$3.64M
Thrivent Financial for Lutherans
222
Thrivent Financial for Lutherans
Minnesota
$3.53M
Mariner
223
Mariner
Kansas
$3.52M
Caisse de Depot et Placement du Quebec (CDPQ)
224
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$3.51M
GCM
225
Gables Capital Management
Florida
$3.44M