641 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, 219 reducing their positions, and 75 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:

1.56% more ownership

Funds ownership: 70.75%72.31% (+1.6%)

4% less call options, than puts

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

8% less repeat investments, than reductions

Existing positions increased: 202 | Existing positions reduced: 219

Holders
641
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
UB
526
UMB Bank
Missouri
$187K
EMFAT
527
Emerald Mutual Fund Advisers Trust
Pennsylvania
$184K
HI
528
Horizon Investments
North Carolina
$181K
M
529
MOTCO
Texas
$180K
Northwestern Mutual Wealth Management
530
Northwestern Mutual Wealth Management
Wisconsin
$153K
CFB
531
Cullen/Frost Bankers
Texas
$153K
Fifth Third Bancorp
532
Fifth Third Bancorp
Ohio
$151K
RA
533
Rise Advisors
New York
$142K
CWP
534
Concord Wealth Partners
Virginia
$140K
RAM
535
Resona Asset Management
Japan
$136K
VI
536
Vestcor Inc
New Brunswick, Canada
$128K
Nisa Investment Advisors
537
Nisa Investment Advisors
Missouri
$117K
Nomura Asset Management
538
Nomura Asset Management
Japan
$115K
IFU
539
iSAM Funds (UK)
United Kingdom
$112K
NSIM
540
North Star Investment Management
Illinois
$106K
OA
541
Operose Advisors
Wisconsin
$106K
CA
542
Clearstead Advisors
Ohio
$100K
TWD
543
True Wealth Design
Ohio
$96K
PS
544
Principal Securities
Iowa
$95.8K
RIL
545
Rothschild Investment LLC
Illinois
$86.4K
FFA
546
Farther Finance Advisors
California
$86K
BTI
547
Blue Trust Inc
Georgia
$83.2K
CI Investments Inc
548
CI Investments Inc
Ontario, Canada
$68K
SOW
549
State of Wyoming
Wyoming
$64.5K
SWIM
550
Smallwood Wealth Investment Management
New Jersey
$63.8K