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
76
$180K
77
$169K
78
$167K
79
$165K
80
$161K
81
$159K
82
$151K
83
$142K
84
$139K
85
$130K
86
$123K
87
$111K
88
$104K
89
$96K
90
$93K
91
$92K
92
$88K
93
$87K
94
$78K
95
$77K
96
$75K
97
$73K
98
$73K
99
$73K
100
$70K