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
FCP
276
Fidelis Capital Partners
Florida
$1.87M
LSA
277
Lansing Street Advisors
Pennsylvania
$1.86M
TI
278
Tidal Investments
Wisconsin
$1.81M
CPC
279
Cookson Peirce & Co
Pennsylvania
$1.8M
OC
280
Oppenheimer & Co
New York
$1.8M
RWM
281
Ritholtz Wealth Management
New York
$1.79M
HW
282
Hedeker Wealth
Illinois
$1.78M
NP
283
Ninepoint Partners
Ontario, Canada
$1.78M
PIM
284
Profit Investment Management
Maryland
$1.77M
PCM
285
Peregrine Capital Management
Minnesota
$1.75M
IAS
286
IMA Advisory Services
Colorado
$1.75M
BC
287
Bridgefront Capital
Texas
$1.75M
FDS
288
First Dallas Securities
Texas
$1.73M
PAG
289
Private Advisor Group
New Jersey
$1.72M
Pacer Advisors
290
Pacer Advisors
Pennsylvania
$1.72M
PCA
291
Pallas Capital Advisors
Massachusetts
$1.69M
Focus Partners Wealth
292
Focus Partners Wealth
Massachusetts
$1.63M
DADC
293
D.A. Davidson & Co
Montana
$1.56M
BMSSC
294
B. Metzler seel. Sohn & Co
Germany
$1.56M
CM
295
Caption Management
Oklahoma
$1.55M
ACM
296
Arosa Capital Management
Florida
$1.49M
HighTower Advisors
297
HighTower Advisors
Illinois
$1.45M
LCM
298
Legato Capital Management
California
$1.44M
STA
299
Summit Trail Advisors
New York
$1.43M
HS
300
HighVista Strategies
Massachusetts
$1.43M