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
OLA
276
Oliver Luxxe Assets
New Jersey
$3.84M
DnB Asset Management
277
DnB Asset Management
Norway
$3.7M
MCM
278
Monument Capital Management
Virginia
$3.65M
AIP
279
Ameritas Investment Partners
Nebraska
$3.64M
Hudson Bay Capital Management
280
Hudson Bay Capital Management
Connecticut
$3.57M
Walleye Trading
281
Walleye Trading
New York
$3.57M
VA
282
VestGen Advisors
Illinois
$3.53M
Caisse de Depot et Placement du Quebec (CDPQ)
283
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$3.47M
Focus Partners Wealth
284
Focus Partners Wealth
Massachusetts
$3.43M
EGM
285
Engineers Gate Manager
New York
$3.38M
RWM
286
Ritholtz Wealth Management
New York
$3.35M
CFM
287
Catalyst Funds Management
Australia
$3.34M
Pictet Asset Management
288
Pictet Asset Management
Switzerland
$3.27M
WLG
289
Williamson Legacy Group
Indiana
$3.25M
HA
290
Huntleigh Advisors
Missouri
$3.22M
FM
291
Freemont Management
Switzerland
$3.22M
IA
292
IFP Advisors
Florida
$3.17M
X
293
Xponance
Pennsylvania
$3.05M
GP
294
Gallo Partners
New Jersey
$3.05M
Man Group
295
Man Group
United Kingdom
$3.02M
HighTower Advisors
296
HighTower Advisors
Illinois
$3.01M
LIM
297
Leavell Investment Management
Alabama
$2.99M
CPC
298
Cookson Peirce & Co
Pennsylvania
$2.98M
AS
299
Altshuler Shaham
Israel
$2.97M
HP
300
Havemeyer Place
Connecticut
$2.94M