126 hedge funds and large institutions have $197M invested in Geron in 2015 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 48 increasing their positions, 25 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
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
$1.69M
Puts
$2.58M
Net Calls
Net Calls Change

Top Buyers

1 +$1.79M
2 +$1.75M
3 +$1.37M
4
Millennium Management
Millennium Management
New York
+$1.08M
5
State Street
State Street
Massachusetts
+$998K

Top Sellers

1 -$6.45M
2 -$4.73M
3 -$3.38M
4
Deutsche Bank
Deutsche Bank
Germany
-$1.61M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$1.31M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$277K
52
$264K
53
$252K
54
$247K
55
$220K
56
$215K
57
$196K
58
$194K
59
$193K
60
$183K
61
$182K
62
$168K
63
$167K
64
$159K
65
$156K
66
$150K
67
$149K
68
$140K
69
$124K
70
$113K
71
$112K
72
$110K
73
$101K
74
$94K
75
$90.2K