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
RGC
426
Roberts, Glore & Co
Illinois
$385K
OF
427
Optimize Financial
California
$378K
CAG
428
Crestwood Advisors Group
Massachusetts
$370K
SGAM
429
Smith Group Asset Management
Texas
$368K
PHK
430
Point72 Hong Kong
Hong Kong
$357K
QCM
431
Qsemble Capital Management
New York
$352K
AIM
432
Aspen Investment Management
Michigan
$350K
CPIG
433
Chicago Partners Investment Group
Illinois
$345K
MIG
434
Mariner Investment Group
New York
$340K
DACS
435
Dymon Asia Capital (Singapore)
Singapore
$339K
HFM
436
Harvest Fund Management
China
$336K
OIA
437
OneDigital Investment Advisors
Kansas
$334K
GRP
438
Global Retirement Partners
California
$333K
BBPWM
439
Blue Bell Private Wealth Management
Pennsylvania
$331K
HFS
440
Hantz Financial Services
Michigan
$324K
CT
441
Chicago Trust
Illinois
$321K
SO
442
STRS Ohio
Ohio
$316K
PWPS
443
Pinnacle Wealth Planning Services
Ohio
$310K
FWM
444
Forza Wealth Management
Florida
$308K
PWM
445
Perigon Wealth Management
California
$307K
PA
446
Profund Advisors
Maryland
$305K
GI
447
GAMMA Investing
California
$305K
BAMG
448
Brand Asset Management Group
Missouri
$304K
RB
449
Renasant Bank
Mississippi
$303K
MYAM
450
Meiji Yasuda Asset Management
Japan
$303K