684 hedge funds and large institutions have $12.7B invested in MasTec in 2025 Q4 according to their latest regulatory filings, with 115 funds opening new positions, 240 increasing their positions, 225 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

5% more capital invested

Capital invested by funds: $12.1B → $12.7B (+$562M)

0% more funds holding in top 10

Funds holding in top 10: 1818 (0)

48% less call options, than puts

Call options by funds: $111M | Put options by funds: $214M

Holders
684
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
$111M
Puts
$214M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Connor, Clark & Lunn Investment Management (CC&L)
226
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.4M
Bank of Nova Scotia
227
Bank of Nova Scotia
Ontario, Canada
$3.37M
COPPSERS
228
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3.34M
AAP
229
Ardsley Advisory Partners
Connecticut
$3.26M
ACM
230
Arosa Capital Management
Florida
$3.26M
LCG
231
Lisanti Capital Growth
New York
$3.26M
DACS
232
Dymon Asia Capital (Singapore)
Singapore
$3.25M
NAAA
233
New Age Alpha Advisors
New York
$3.23M
Natixis Advisors
234
Natixis Advisors
Massachusetts
$3.23M
BCM
235
Bridgeway Capital Management
Texas
$3.2M
SFM
236
Soros Fund Management
New York
$3.2M
TCA
237
Tortoise Capital Advisors
Kansas
$3.2M
FF
238
Farrow Financial
Vermont
$3.17M
SOMRS
239
State of Michigan Retirement System
Michigan
$3.16M
MIG
240
Mariner Investment Group
New York
$3.15M
SCM
241
Shelton Capital Management
Colorado
$3.15M
Credit Agricole
242
Credit Agricole
France
$3.01M
Voloridge Investment Management
243
Voloridge Investment Management
Florida
$3.01M
KK
244
KLP Kapitalforvaltning
Norway
$3M
NMIMC
245
Northwestern Mutual Investment Management Company
Wisconsin
$2.98M
SA
246
Sanctuary Advisors
Indiana
$2.94M
FDCDDQ
247
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.93M
Bank of Montreal
248
Bank of Montreal
Ontario, Canada
$2.91M
HIM
249
Hillsdale Investment Management
Ontario, Canada
$2.76M
SAM
250
Sycomore Asset Management
France
$2.75M