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MasTec
MTZ

Overview Fund Activity

180 hedge funds and large institutions have $1.13B invested in MasTec in 2015 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 73 increasing their positions, 61 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
180
Holders Change
-14
Holders Change %
-7.22%
% of All Funds
4.8%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.08%
New
31
Increased
73
Reduced
61
Closed
41
Calls
$13.5M
Puts
$5.99M
Net Calls
+$7.56M
Net Calls Change
+$6.16M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$26.2M
2
Macquarie Group
2
Macquarie Group
Australia
$68.2M
3
Citadel Advisors
3
Citadel Advisors
Florida
$22.5M
4
CS
4
Credit Suisse
Switzerland
$18.6M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$15.3M

Top Sellers

1
FCM
1
Frontier Capital Management
Massachusetts
$54M
2
ORI
2
Oak Ridge Investments
Illinois
$0
3
Invesco
3
Invesco
Georgia
$26.2M
4
Morgan Stanley
4
Morgan Stanley
New York
$15.6M
5
FAM
5
Fred Alger Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
UBS AM
101
UBS AM
Illinois
$836K +$395K +20,453 +89%
AIG
102
American International Group
New York
$819K -$3.86K -200 -0.5%
HK
103
Horizon Kinetics
New York
$819K +$54.7K +2,834 +7%
AssetMark Inc
104
AssetMark Inc
California
$815K +$62.3K +3,228 +8%
Nomura Holdings
105
Nomura Holdings
Japan
$810K +$810K +39,143 New
BA
106
BlackRock Advisors
Delaware
$786K +$119K +6,144 +18%
PG
107
PEAK6 Group
Illinois
$758K +$758K +39,282 New
LH
108
Lebenthal Holdings
New York
$702K +$702K +36,371 New
HW
109
Hancock Whitney
Mississippi
$698K +$4.5K +233 +0.6%
BAM
110
Burnham Asset Management
New York
$697K – – –
T. Rowe Price Associates
111
T. Rowe Price Associates
Maryland
$676K +$178K +9,200 +36%
Marshall Wace
112
Marshall Wace
United Kingdom
$666K +$666K +34,532 New
BKBG
113
BHF Kleinwort Benson Group
Belgium
$648K -$488K -25,250 -43%
BlackRock
114
BlackRock
New York
$641K +$132K +6,865 +26%
MFIMFI
115
Mesirow Financial Investment Management - Fixed Income
Illinois
$637K -$1.49M -77,414 -70%
SEI Investments
116
SEI Investments
Pennsylvania
$630K -$65.2K -3,384 -9%
Natixis Advisors
117
Natixis Advisors
Massachusetts
$624K +$248K +12,866 +66%
VOYA Investment Management
118
VOYA Investment Management
Georgia
$610K – – –
UOC
119
UBS O'Connor
Illinois
$609K +$609K +31,529 New
Stifel Financial
120
Stifel Financial
Missouri
$603K -$114K -5,923 -16%
AG
121
Aperio Group
California
$603K +$225K +11,672 +60%
SLG
122
Stanley-Laman Group
Pennsylvania
$572K +$132K +6,869 +30%
DTL
123
Dynamic Technology Lab
Singapore
$561K +$561K +28,727 New
TSWM
124
Triangle Securities Wealth Management
North Carolina
$523K -$149K -7,709 -22%
Alyeska Investment Group
125
Alyeska Investment Group
Illinois
$507K +$124K +6,399 +32%
3 4
5
6 7