679 hedge funds and large institutions have $12.7B invested in MasTec in 2025 Q4 according to their latest regulatory filings, with 111 funds opening new positions, 240 increasing their positions, 224 reducing their positions, and 68 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:

4% more capital invested

Capital invested by funds: $12.1B → $12.7B (+$542M)

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
679
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
Bank of Nova Scotia
226
Bank of Nova Scotia
Ontario, Canada
$3.37M
COPPSERS
227
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3.34M
AAP
228
Ardsley Advisory Partners
Connecticut
$3.26M
ACM
229
Arosa Capital Management
Florida
$3.26M
LCG
230
Lisanti Capital Growth
New York
$3.26M
DACS
231
Dymon Asia Capital (Singapore)
Singapore
$3.25M
NAAA
232
New Age Alpha Advisors
New York
$3.23M
Natixis Advisors
233
Natixis Advisors
Massachusetts
$3.23M
BCM
234
Bridgeway Capital Management
Texas
$3.2M
SFM
235
Soros Fund Management
New York
$3.2M
TCA
236
Tortoise Capital Advisors
Kansas
$3.2M
FF
237
Farrow Financial
Vermont
$3.17M
SOMRS
238
State of Michigan Retirement System
Michigan
$3.16M
MIG
239
Mariner Investment Group
New York
$3.15M
SCM
240
Shelton Capital Management
Colorado
$3.15M
Credit Agricole
241
Credit Agricole
France
$3.01M
Voloridge Investment Management
242
Voloridge Investment Management
Florida
$3.01M
KK
243
KLP Kapitalforvaltning
Norway
$3M
NMIMC
244
Northwestern Mutual Investment Management Company
Wisconsin
$2.98M
SA
245
Sanctuary Advisors
Indiana
$2.94M
FDCDDQ
246
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.93M
Bank of Montreal
247
Bank of Montreal
Ontario, Canada
$2.91M
HIM
248
Hillsdale Investment Management
Ontario, Canada
$2.76M
SAM
249
Sycomore Asset Management
France
$2.75M
UBP
250
Union Bancaire Privee
Switzerland
$2.74M