798 hedge funds and large institutions have $18.6B invested in MasTec in 2026 Q1 according to their latest regulatory filings, with 180 funds opening new positions, 251 increasing their positions, 261 reducing their positions, and 64 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 call options, than puts

Call options by funds: $ | Put options by funds: $

15% more funds holding

Funds holding: 692798 (+106)

0.81% less ownership

Funds ownership: 74.3%73.5% (-0.81%)

4% less repeat investments, than reductions

Existing positions increased: 251 | Existing positions reduced: 261

Holders
798
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$225M
Puts
$177M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
JCIA
326
Jackson Creek Investment Advisors
Colorado
$2.22M
SA
327
Sanctuary Advisors
Indiana
$2.22M
VPIM
328
Vanguard Personalized Indexing Management
California
$2.21M
RCMU
329
Rokos Capital Management (UK)
United Kingdom
$2.19M
CWIG
330
Chung Wu Investment Group
Texas
$2.17M
PCM
331
Penn Capital Management
Pennsylvania
$2.15M
FDCDDQ
332
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.13M
LHC
333
Little House Capital
Massachusetts
$2.13M
HCMT
334
Highland Capital Management (Tennessee)
Tennessee
$2.08M
LCM
335
Legato Capital Management
California
$2.06M
TD Asset Management
336
TD Asset Management
Ontario, Canada
$2.03M
SOADOR
337
State of Alaska Department of Revenue
Alaska
$2.01M
VOYA Investment Management
338
VOYA Investment Management
Georgia
$2M
AIM
339
Aigen Investment Management
New York
$2M
PNC Financial Services Group
340
PNC Financial Services Group
Pennsylvania
$1.99M
IWC
341
Integrated Wealth Concepts
Massachusetts
$1.97M
STA
342
Summit Trail Advisors
New York
$1.96M
AI
343
Atria Investments
North Carolina
$1.95M
MIG
344
Mariner Investment Group
New York
$1.93M
MUAMU
345
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$1.93M
IQI
346
Integrated Quantitative Investments
Washington
$1.92M
BLC
347
Blue Line Capital
Illinois
$1.87M
Jones Financial Companies
348
Jones Financial Companies
Missouri
$1.85M
JF
349
Jump Financial
Illinois
$1.84M
MFG
350
Merit Financial Group
Georgia
$1.84M