139 hedge funds and large institutions have $266M invested in Geron in 2013 Q4 according to their latest regulatory filings, with 52 funds opening new positions, 37 increasing their positions, 33 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
139
Holders Change
+34
Holders Change %
+32.38%
% of All Funds
4.04%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.09%
New
52
Increased
37
Reduced
33
Closed
18
Calls
$8.77M
Puts
$1.79M
Net Calls
+$6.98M
Net Calls Change
+$9.87M
Name Holding Trade Value Shares
Change
Shares
Change %
UBS AM
76
UBS AM
Illinois
$210K +$210K +46,869 New
GCP
77
GSA Capital Partners
United Kingdom
$204K +$204K +45,581 New
Royal Bank of Canada
78
Royal Bank of Canada
Ontario, Canada
$166K +$43.4K +9,687 +35%
DS
79
DRW Securities
Illinois
$166K +$166K +37,124 New
VKH
80
Virtu KCG Holdings
New York
$153K +$80.5K +17,966 +111%
Principal Financial Group
81
Principal Financial Group
Iowa
$151K +$151K +33,761 New
SCM
82
Stevens Capital Management
Pennsylvania
$137K +$137K +30,568 New
SM
83
Sabby Management
Florida
$133K -$386K -86,081 -74%
William Blair & Company
84
William Blair & Company
Illinois
$120K +$120K +26,979 New
DTL
85
Dynamic Technology Lab
Singapore
$116K +$116K +25,933 New
BG
86
BlackRock Group
United Kingdom
$98K +$98K +21,820 New
GMIM
87
General Motors Investment Management
New York
$96K +$96K +21,531 New
Wells Fargo
88
Wells Fargo
California
$94K -$249K -55,545 -73%
Fifth Third Bancorp
89
Fifth Third Bancorp
Ohio
$94K
Prudential Financial
90
Prudential Financial
New Jersey
$88K -$7.12K -1,587 -7%
Tudor Investment Corp
91
Tudor Investment Corp
Connecticut
$87K +$87K +19,463 New
SG Americas Securities
92
SG Americas Securities
New York
$84K -$36.2K -8,068 -30%
FIM
93
Fernwood Investment Management
Massachusetts
$81K +$81K +17,986 New
Ameriprise
94
Ameriprise
Minnesota
$78K -$67.3K -14,950 -46%
AG
95
Algert Global
California
$77K +$77K +17,129 New
Janney Montgomery Scott
96
Janney Montgomery Scott
Pennsylvania
$73.4K +$19.4K +4,322 +36%
US Bancorp
97
US Bancorp
Minnesota
$71K
Commonwealth Equity Services
98
Commonwealth Equity Services
Massachusetts
$62K +$3.34K +741 +6%
GC
99
Guggenheim Capital
Illinois
$59K -$22.1K -4,951 -27%
Verition Fund Management
100
Verition Fund Management
Connecticut
$59K +$59K +13,132 New