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
26
$526K
27
$494K
28
$482K
29
$456K
30
$428K
31
$420K
32
$393K
33
$387K
34
$372K
35
$367K
36
$354K
37
$330K
38
$328K
39
$305K
40
$288K
41
$271K
42
$249K
43
$246K
44
$237K
45
$233K
46
$222K
47
$197K
48
$195K
49
$190K
50
$185K