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
26
$5.7M
27
$5.49M
28
$5.19M
29
$4.78M
30
$4.37M
31
$3.85M
32
$3.74M
33
$3.58M
34
$3.53M
35
$3.32M
36
$3.04M
37
$2.94M
38
$2.93M
39
$2.9M
40
$2.71M
41
$2.6M
42
$2.58M
43
$2.53M
44
$2.46M
45
$2.11M
46
$2.11M
47
$2.02M
48
$1.98M
49
$1.93M
50
$1.86M