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
CWIG
301
Chung Wu Investment Group
Texas
$1.52M
EGM
302
Engineers Gate Manager
New York
$1.49M
VPIM
303
Vanguard Personalized Indexing Management
California
$1.47M
Rockefeller Capital Management
304
Rockefeller Capital Management
New York
$1.46M
CC
305
Chicago Capital
Illinois
$1.44M
VOYA Investment Management
306
VOYA Investment Management
Georgia
$1.43M
Los Angeles Capital Management
307
Los Angeles Capital Management
California
$1.39M
AIM
308
Arcadia Investment Management
Michigan
$1.38M
KFAS
309
Keating Financial Advisory Services
Kansas
$1.36M
DADC
310
D.A. Davidson & Co
Montana
$1.35M
STA
311
Summit Trail Advisors
New York
$1.35M
QT
312
Quantbot Technologies
New York
$1.34M
SOADOR
313
State of Alaska Department of Revenue
Alaska
$1.32M
Hudson Bay Capital Management
314
Hudson Bay Capital Management
Connecticut
$1.32M
LTAS
315
Linden Thomas Advisory Services
North Carolina
$1.31M
MUAMU
316
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$1.3M
WLG
317
Williamson Legacy Group
Indiana
$1.3M
IWM
318
IHT Wealth Management
Illinois
$1.29M
NYLIM
319
New York Life Investment Management
New York
$1.25M
VVP
320
Venture Visionary Partners
Ohio
$1.25M
KIM
321
Kestra Investment Management
Texas
$1.24M
MFG
322
Merit Financial Group
Georgia
$1.23M
KCM
323
KRS Capital Management
Michigan
$1.19M
YIH
324
Y-Intercept (HK)
Hong Kong
$1.18M
QCG
325
Quadrant Capital Group
Ohio
$1.16M