123 hedge funds and large institutions have $163M invested in Geron in 2016 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 32 increasing their positions, 44 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
123
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
$1.1M
Puts
$1.88M
Net Calls
Net Calls Change

Top Buyers

1 +$1.25M
2 +$951K
3 +$764K
4
Millennium Management
Millennium Management
New York
+$763K
5
Citadel Advisors
Citadel Advisors
Florida
+$405K

Top Sellers

1 -$4.41M
2 -$4.15M
3 -$3.87M
4
ARTA
A.R.T. Advisors
New York
-$1.58M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$1.44M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$59K
77
$58K
78
$58K
79
$56K
80
$55K
81
$54K
82
$51K
83
$45K
84
$43K
85
$43K
86
$43K
87
$43K
88
$41K
89
$38K
90
$36K
91
$36K
92
$35K
93
$35K
94
$35K
95
$34K
96
$34K
97
$32K
98
$32K
99
$28K
100
$27K