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