194 hedge funds and large institutions have $1.45B invested in MasTec in 2014 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 74 increasing their positions, 69 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
194
Holders Change
-24
Holders Change %
-11.01%
% of All Funds
5.18%
Holding in Top 10
5
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-58.33%
% of All Funds
0.13%
New
36
Increased
74
Reduced
69
Closed
57
Calls
$7.33M
Puts
$5.93M
Net Calls
+$1.4M
Net Calls Change
+$6.45M
Name Holding Trade Value Shares
Change
Shares
Change %
JPMPWA
151
J.P. Morgan Private Wealth Advisors
California
$337K +$57.9K +2,565 +21%
ProShare Advisors
152
ProShare Advisors
Maryland
$318K -$270K -11,946 -46%
LCM
153
Landscape Capital Management
New Jersey
$289K +$289K +12,800 New
LPL Financial
154
LPL Financial
California
$282K -$396K -17,542 -58%
Principal Financial Group
155
Principal Financial Group
Iowa
$282K -$38.5K -1,702 -12%
SCA
156
Secor Capital Advisors
New York
$262K +$262K +11,592 New
POA
157
Pergamon Offshore Advisors
New York
$260K +$260K +11,517 New
NCCM
158
Nine Chapters Capital Management
New Jersey
$253K +$253K +11,200 New
TI
159
Trexquant Investment
Connecticut
$246K +$246K +10,900 New
VAM
160
Visium Asset Management
New York
$239K -$11M -483,376 -98%
CSS
161
Cubist Systematic Strategies
Connecticut
$223K +$223K +9,879 New
PPCM
162
Pillar Pacific Capital Management
California
$215K
CD
163
Carl Domino
Florida
$210K
Parallax Volatility Advisers
164
Parallax Volatility Advisers
California
$191K +$109K +4,838 +134%
ST
165
Spot Trading
Illinois
$177K -$284K -12,569 -62%
SG Americas Securities
166
SG Americas Securities
New York
$174K +$174K +7,693 New
ST
167
SpiderRock Trading
Illinois
$168K -$65K
Royal Bank of Canada
168
Royal Bank of Canada
Ontario, Canada
$135K -$34.1K -1,515 -20%
IUAM
169
Itau USA Asset Management
New York
$135K -$12.5K -550 -8%
SEC
170
Seven Eight Capital
New York
$104K +$104K +4,619 New
Canada Life
171
Canada Life
Manitoba, Canada
$82K -$14.9K -665 -15%
PAM
172
Panagora Asset Management
Massachusetts
$78K +$78K +3,452 New
Creative Planning
173
Creative Planning
Kansas
$75K -$7.47K -330 -9%
Group One Trading
174
Group One Trading
Illinois
$67K +$47.3K +2,100 +240%
BRWM
175
B. Riley Wealth Management
Tennessee
$45K -$11.2K -500 -20%