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
SFA
351
Sequoia Financial Advisors
Ohio
$782K
SACTSONJ
352
Supplemental Annuity Collective Trust (SACT) of New Jersey
New Jersey
$766K
CM
353
Castleark Management
Illinois
$753K
PNC Financial Services Group
354
PNC Financial Services Group
Pennsylvania
$747K
CCM
355
Coldstream Capital Management
Washington
$742K
GC
356
Guggenheim Capital
Illinois
$727K
CCC
357
Chesapeake Capital Corp
Florida
$725K
CA
358
CWC Advisors
Oregon
$711K
SG
359
StoneX Group
New York
$710K
OQS
360
Occudo Quantitative Strategies
Florida
$707K
URS
361
Utah Retirement Systems
Utah
$700K
TRCT
362
Tower Research Capital (TRC)
New York
$699K
Lido Advisors
363
Lido Advisors
California
$694K
BSB
364
Bangor Savings Bank
Maine
$668K
CA
365
Claro Advisors
Massachusetts
$665K
MSRPS
366
Maryland State Retirement & Pension System
Maryland
$660K
CTC
367
Cetera Trust Company
Minnesota
$646K
EP
368
Edgestream Partners
New Jersey
$635K
GC
369
Globeflex Capital
California
$631K
RIP
370
Reliant Investment Partners
North Carolina
$627K
Jones Financial Companies
371
Jones Financial Companies
Missouri
$619K
HWM
372
HB Wealth Management
Georgia
$619K
MM
373
MQS Management
New York
$615K
IB
374
Intrust Bank
Kansas
$615K
Jane Street
375
Jane Street
New York
$614K