133 hedge funds and large institutions have $328M invested in Geron in 2015 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 33 increasing their positions, 44 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
133
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.38M
Puts
$4.41M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$389K
52
$389K
53
$389K
54
$359K
55
$343K
56
$340K
57
$335K
58
$334K
59
$331K
60
$321K
61
$303K
62
$290K
63
$288K
64
$270K
65
$253K
66
$250K
67
$246K
68
$242K
69
$232K
70
$223K
71
$218K
72
$201K
73
$199K
74
$198K
75
$189K