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
1
$357M
2
$60M
3
$37M
4
$35.5M
5
$31.3M
6
$29.4M
7
$27.3M
8
$26.8M
9
$21M
10
$20.5M
11
$18.3M
12
$17M
13
$16.7M
14
$15.8M
15
$15.5M
16
$13.2M
17
$13M
18
$11M
19
$10.8M
20
$8.99M
21
$8.39M
22
$8.24M
23
$8.23M
24
$7.43M
25
$7.36M