167 hedge funds and large institutions have $954M invested in Sony in 2013 Q4 according to their latest regulatory filings, with 43 funds opening new positions, 62 increasing their positions, 36 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
167
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$53.8M
Puts
$139M
Net Calls
Net Calls Change

Top Buyers

1 +$20.5M
2 +$18.3M
3 +$15.2M
4
Two Sigma Investments
Two Sigma Investments
New York
+$14.1M
5
HT
HAP Trading
New York
+$13M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$636K
77
$608K
78
$598K
79
$594K
80
$588K
81
$572K
82
$558K
83
$545K
84
$531K
85
$531K
86
$519K
87
$484K
88
$484K
89
$457K
90
$448K
91
$432K
92
$410K
93
$390K
94
$389K
95
$387K
96
$385K
97
$377K
98
$370K
99
$362K
100
$356K