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 %
CI
101
Cowen Inc
New York
$59K +$59K +13,225 New
Comerica Bank
102
Comerica Bank
Texas
$58K -$49.8K -11,101 -46%
SB
103
Suntrust Banks
Georgia
$53K
Nuveen Asset Management
104
Nuveen Asset Management
Illinois
$52K +$3.76K +832 +8%
PA
105
Profund Advisors
Maryland
$52K +$52K +11,585 New
AIP
106
Ameritas Investment Partners
Nebraska
$51K
Jacobs Levy Equity Management
107
Jacobs Levy Equity Management
New Jersey
$48K -$237K -53,323 -83%
U
108
UBS
Switzerland
$47K -$10.1K -2,254 -18%
CCM
109
Compton Capital Management
Rhode Island
$47K +$47K +10,580 New
HCM
110
Hollencrest Capital Management
California
$47K +$47K +10,580 New
Creative Planning
111
Creative Planning
Kansas
$43K +$18.5K +4,159 +75%
WT
112
Whittier Trust
California
$24K
MFBTD
113
MB Financial Bank - Trust Department
Illinois
$24K
KTC
114
Kistler-Tiffany Companies
Pennsylvania
$24K
Invesco
115
Invesco
Georgia
$24K +$735 +161 +3%
Teacher Retirement System of Texas
116
Teacher Retirement System of Texas
Texas
$23K +$23K +5,081 New
PA
117
Perceptive Advisors
New York
$22K +$22K +4,956 New
TRCT
118
Tower Research Capital (TRC)
New York
$21K -$53.6K -11,759 -72%
WAM
119
Wolverine Asset Management
Illinois
$18K +$17.5K +4,020 +3,792%
BlackRock
120
BlackRock
New York
$16K -$2.17K -476 -12%
First Manhattan
121
First Manhattan
New York
$15K
BAM
122
Brave Asset Management
New Jersey
$12K +$12K +2,645 New
MFS
123
MSI Financial Services
Massachusetts
$12K +$12K +2,767 New
BFEC
124
Benjamin F. Edwards & Company
Missouri
$11K +$1.89K +408 +21%
QBFM
125
QS Batterymarch Financial Management
New York
$11K +$11K +2,387 New