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
M
526
MOTCO
Texas
$180K
Northwestern Mutual Wealth Management
527
Northwestern Mutual Wealth Management
Wisconsin
$153K
CFB
528
Cullen/Frost Bankers
Texas
$153K
Fifth Third Bancorp
529
Fifth Third Bancorp
Ohio
$151K
RA
530
Rise Advisors
New York
$142K
CWP
531
Concord Wealth Partners
Virginia
$140K
RAM
532
Resona Asset Management
Japan
$136K
VI
533
Vestcor Inc
New Brunswick, Canada
$128K
Nisa Investment Advisors
534
Nisa Investment Advisors
Missouri
$117K
Nomura Asset Management
535
Nomura Asset Management
Japan
$115K
IFU
536
iSAM Funds (UK)
United Kingdom
$112K
NSIM
537
North Star Investment Management
Illinois
$106K
OA
538
Operose Advisors
Wisconsin
$106K
CA
539
Clearstead Advisors
Ohio
$100K
TWD
540
True Wealth Design
Ohio
$96K
PS
541
Principal Securities
Iowa
$95.8K
RIL
542
Rothschild Investment LLC
Illinois
$86.4K
FFA
543
Farther Finance Advisors
California
$86K
BTI
544
Blue Trust Inc
Georgia
$83.2K
CI Investments Inc
545
CI Investments Inc
Ontario, Canada
$68K
SOW
546
State of Wyoming
Wyoming
$64.5K
SWIM
547
Smallwood Wealth Investment Management
New Jersey
$63.8K
ACA
548
American Capital Advisory
Idaho
$61.3K
PA
549
Parallel Advisors
California
$57K
FDW
550
Fourth Dimension Wealth
Ohio
$55.3K