648 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, 202 increasing their positions, 224 reducing their positions, and 73 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:

1.6% more ownership

Funds ownership: 70.72%72.32% (+1.6%)

4% less call options, than puts

Call options by funds: $116M | Put options by funds: $121M

10% less repeat investments, than reductions

Existing positions increased: 202 | Existing positions reduced: 224

Holders
648
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
Name Holding Trade Value Shares
Change
Change in
Stake
SL
576
Salomon & Ludwin
Virginia
$25.9K
QL
577
Quarry LP
New York
$24.9K
HNW
578
High Note Wealth
Minnesota
$24.5K
Optiver Holding
579
Optiver Holding
Netherlands
$24.3K
DAM
580
Delta Asset Management
Tennessee
$23.8K
SHIM
581
Stone House Investment Management
Pennsylvania
$23.4K
HIA
582
Harbor Investment Advisory
Maryland
$22.6K
SS
583
Sunbelt Securities
Texas
$21.1K
WSFS
584
Wilmington Savings Fund Society
Delaware
$16.2K
ACM
585
Accent Capital Management
Ohio
$14.9K
JFG
586
JDM Financial Group
Texas
$14.9K
MPWT
587
MassMutual Private Wealth & Trust
Connecticut
$14.5K
AAS
588
Ameritas Advisory Services
Nebraska
$13.6K
LI
589
LRI Investments
Florida
$13K
FHC
590
First Horizon Corporation
Tennessee
$11.5K
MAM
591
Meeder Asset Management
Ohio
$11.3K
BIA
592
Bell Investment Advisors
California
$11.1K
FMII
593
Farmers & Merchants Investments Inc
Nebraska
$11.1K
CIBC Private Wealth Group
594
CIBC Private Wealth Group
Georgia
$10.6K
MCM
595
Manchester Capital Management
Vermont
$10.6K
KTC
596
Kentucky Trust Company
Kentucky
$9.58K
HI
597
Harbour Investments
Wisconsin
$8.94K
CT
598
Colonial Trust
South Carolina
$8.94K
JWA
599
JFS Wealth Advisors
Pennsylvania
$8.73K
AAG
600
Armstrong Advisory Group
Massachusetts
$8.51K