680 hedge funds and large institutions have $12.7B invested in MasTec in 2025 Q4 according to their latest regulatory filings, with 112 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 (+$543M)

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
680
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
SA
676
Seneschal Advisors
Washington
$218
HI
677
Horizon Investments
North Carolina
$217
WWA
678
Wealth Watch Advisors
Colorado
$217
UFPG
679
United Financial Planning Group
New York
$217
Macquarie Group
680
Macquarie Group
Australia
DnB Asset Management
681
DnB Asset Management
Norway
OAG
682
Orbis Allan Gray
Bermuda
Zurich Cantonal Bank
683
Zurich Cantonal Bank
Switzerland
MC
684
Maplelane Capital
New York
1832 Asset Management
685
1832 Asset Management
Ontario, Canada
Susquehanna International Group
686
Susquehanna International Group
Pennsylvania
FCM
687
Frontier Capital Management
Massachusetts
JF
688
Jump Financial
Illinois
LIP
689
Lighthouse Investment Partners
Florida
CCS
690
Concentric Capital Strategies
Connecticut
AT
691
AMF Tjänstepension
Sweden
SC
692
Savant Capital
Illinois
ECM
693
ExodusPoint Capital Management
New York
UOC
694
UBS O'Connor
Illinois
TI
695
Trexquant Investment
Connecticut
LSA
696
L & S Advisors
California
MIC
697
Mubadala Investment Company
United Arab Emirates
EDRH
698
Edmond de Rothschild Holding
Switzerland
VCM
699
Vennlight Capital Management
Connecticut
AACP
700
Advantage Alpha Capital Partners
California