684 hedge funds and large institutions have $12.7B invested in MasTec in 2025 Q4 according to their latest regulatory filings, with 115 funds opening new positions, 240 increasing their positions, 225 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

5% more capital invested

Capital invested by funds: $12.1B → $12.7B (+$562M)

0% more funds holding in top 10

Funds holding in top 10: 1818 (0)

48% less call options, than puts

Call options by funds: $111M | Put options by funds: $214M

Holders
684
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
$111M
Puts
$214M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
RC
351
Rithm Capital
New York
$869K
VAS
352
Vestmark Advisory Solutions
Massachusetts
$869K
WIS
353
Wright Investors Service
Connecticut
$831K
HT
354
Headlands Technologies
Illinois
$811K
DWT
355
Dorsey & Whitney Trust
South Dakota
$805K
ECM
356
Evergreen Capital Management
Washington
$803K
CA
357
Claro Advisors
Massachusetts
$798K
A
358
Allianz
Germany
$788K
EPW
359
Evolve Private Wealth
California
$787K
HFM
360
Harvest Fund Management
China
$786K
SACTSONJ
361
Supplemental Annuity Collective Trust (SACT) of New Jersey
New Jersey
$783K
Jane Street
362
Jane Street
New York
$774K
SG
363
StoneX Group
New York
$761K
CCM
364
Coldstream Capital Management
Washington
$746K
NA
365
NewEdge Advisors
Louisiana
$743K
CCC
366
Chesapeake Capital Corp
Florida
$740K
Jones Financial Companies
367
Jones Financial Companies
Missouri
$729K
CA
368
CWC Advisors
Oregon
$721K
URS
369
Utah Retirement Systems
Utah
$715K
KF
370
Krilogy Financial
Missouri
$709K
GPWA
371
Gaddis Premier Wealth Advisors
Oklahoma
$706K
Ensign Peak Advisors
372
Ensign Peak Advisors
Utah
$703K
Lido Advisors
373
Lido Advisors
California
$694K
BSB
374
Bangor Savings Bank
Maine
$677K
MSRPS
375
Maryland State Retirement & Pension System
Maryland
$674K