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
MAP
476
Moody Aldrich Partners
Massachusetts
$259K
CIA
477
Caerus Investment Advisors
Texas
$258K
Allianz Asset Management
478
Allianz Asset Management
Germany
$257K
WAP
479
Wealthcare Advisory Partners
Pennsylvania
$253K
Kovitz Investment Group Partners
480
Kovitz Investment Group Partners
Illinois
$252K
AWM
481
Ariadne Wealth Management
California
$242K
FTUS
482
Flow Traders U.S.
New York
$239K
FIA
483
Foundations Investment Advisors
Arizona
$239K
MMCM
484
Murphy & Mullick Capital Management
New York
$238K
AUB
485
Atlantic Union Bankshares
Virginia
$237K
DCM
486
Donaldson Capital Management
Indiana
$234K
CW
487
CreativeOne Wealth
Kansas
$234K
WWC
488
Waypoint Wealth Counsel
Georgia
$234K
VCM
489
Versant Capital Management
Arizona
$232K
KRW
490
Kaufman Rossin Wealth
Florida
$230K
PA
491
Pinnacle Associates
New York
$229K
CFG
492
Cooper Financial Group
California
$227K
EF
493
Empowered Funds
Pennsylvania
$226K
MGIA
494
Moneta Group Investment Advisors
Missouri
$226K
Rafferty Asset Management
495
Rafferty Asset Management
New York
$225K
P
496
Pitcairn
Pennsylvania
$225K
GAM
497
Groupama Asset Management
France
$223K
Acadian Asset Management
498
Acadian Asset Management
Massachusetts
$223K
OAM
499
Oppenheimer Asset Management
New York
$219K
QFA
500
Quantum Financial Advisors
California
$219K