516 hedge funds and large institutions have $6.56B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 203 increasing their positions, 159 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
516
Holders Change
-9
Holders Change %
-1.71%
% of All Funds
7.01%
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.19%
New
83
Increased
203
Reduced
159
Closed
84
Calls
$66.1M
Puts
$77.8M
Net Calls
-$11.6M
Net Calls Change
-$11.1M
Name Holding Trade Value Shares
Change
Shares
Change %
Mirae Asset Global ETFs Holdings
26
Mirae Asset Global ETFs Holdings
Hong Kong
$62.3M -$1.52M -13,038 -2%
Northern Trust
27
Northern Trust
Illinois
$57.8M -$3.03M -26,004 -5%
Morgan Stanley
28
Morgan Stanley
New York
$55.6M +$2.88M +24,654 +5%
AAM
29
ACK Asset Management
Connecticut
$54M -$8.06M -69,100 -13%
JPMorgan Chase & Co
30
JPMorgan Chase & Co
New York
$52.1M +$1.5M +12,860 +3%
Jacobs Levy Equity Management
31
Jacobs Levy Equity Management
New Jersey
$51.6M +$6.46M +55,332 +14%
FGP
32
Freestone Grove Partners
California
$49.9M +$22.7M +194,746 +84%
SC
33
Samlyn Capital
New York
$47.4M +$3.64M +31,172 +8%
SCM
34
SG Capital Management
Illinois
$47M +$23.8M +203,786 +102%
Ameriprise
35
Ameriprise
Minnesota
$45.6M +$28.8M +246,666 +171%
Barclays
36
Barclays
United Kingdom
$43.2M +$11.1M +94,964 +35%
DnB Asset Management
37
DnB Asset Management
Norway
$41.5M +$10.3M +88,107 +33%
Blackstone Inc
38
Blackstone Inc
New York
$36.8M +$36.8M +315,000 New
Lord, Abbett & Co
39
Lord, Abbett & Co
New Jersey
$35.9M +$15.7M +134,493 +78%
CTB
40
Country Trust Bank
Illinois
$35.4M +$1.82M +15,587 +5%
Prudential Financial
41
Prudential Financial
New Jersey
$35M -$12.2M -104,903 -26%
Mackenzie Financial
42
Mackenzie Financial
Ontario, Canada
$33.9M -$1.4M -12,025 -4%
UBS AM
43
UBS AM
Illinois
$33.5M -$2.51M -21,517 -7%
Manulife (Manufacturers Life Insurance)
44
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$32.3M +$3.2M +27,447 +11%
Marshall Wace
45
Marshall Wace
United Kingdom
$31.3M +$26.7M +228,569 +579%
Canada Pension Plan Investment Board
46
Canada Pension Plan Investment Board
Ontario, Canada
$30.3M +$7.6M +65,101 +34%
Vontobel Holding
47
Vontobel Holding
Switzerland
$29.4M -$14.1M -120,922 -32%
Arrowstreet Capital
48
Arrowstreet Capital
Massachusetts
$29M -$22.3M -191,389 -43%
Assenagon Asset Management
49
Assenagon Asset Management
Luxembourg
$28.6M +$6.89M +59,056 +32%
Jane Street
50
Jane Street
New York
$27.2M +$21.5M +184,592 +384%