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
51
$1.84M
52
$1.78M
53
$1.63M
54
$1.63M
55
$1.54M
56
$1.48M
57
$1.4M
58
$1.38M
59
$1.28M
60
$1.24M
61
$1.2M
62
$1.18M
63
$1.18M
64
$1.12M
65
$1.03M
66
$1.02M
67
$1.01M
68
$994K
69
$954K
70
$896K
71
$867K
72
$816K
73
$667K
74
$662K
75
$661K