133 hedge funds and large institutions have $308M invested in Geron in 2015 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 41 increasing their positions, 36 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
133
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.56M
Puts
$4.38M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$354K
52
$332K
53
$328K
54
$291K
55
$283K
56
$257K
57
$221K
58
$206K
59
$205K
60
$194K
61
$193K
62
$193K
63
$186K
64
$175K
65
$171K
66
$168K
67
$167K
68
$156K
69
$155K
70
$152K
71
$143K
72
$135K
73
$130K
74
$128K
75
$128K