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
DC
501
Diametric Capital
Massachusetts
$219K
HAG
502
HighPoint Advisor Group
Illinois
$216K
TW
503
Trajan Wealth
Arizona
$216K
Baird Financial Group
504
Baird Financial Group
Wisconsin
$216K
ST
505
Smithfield Trust
Pennsylvania
$215K
KFSC
506
Keystone Financial Services (Colorado)
Colorado
$214K
AIM
507
Aigen Investment Management
New York
$213K
AF
508
AGP Franklin
Tennessee
$213K
TDC
509
Thompson Davis & Co
Virginia
$211K
BCI
510
Brinker Capital Investments
Pennsylvania
$210K
QC
511
Quent Capital
New York
$209K
BIG
512
Brooklyn Investment Group
New York
$208K
WA
513
Waverly Advisors
Alabama
$208K
CPA
514
Capital Performance Advisors
California
$207K
AFG
515
Atomi Financial Group
New York
$205K
WA
516
Wealth Alliance
New York
$203K
EH
517
Equitable Holdings
New York
$203K
RG
518
Rathbones Group
United Kingdom
$202K
GWM
519
Geneos Wealth Management
Colorado
$199K
A
520
AlphaQuest
New York
$196K
SAM
521
Shell Asset Management
Netherlands
$190K
SPIA
522
Steward Partners Investment Advisory
New York
$190K
UB
523
UMB Bank
Missouri
$187K
EMFAT
524
Emerald Mutual Fund Advisers Trust
Pennsylvania
$184K
HI
525
Horizon Investments
North Carolina
$181K