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
51
$184K
52
$181K
53
$160K
54
$154K
55
$150K
56
$145K
57
$140K
58
$118K
59
$110K
60
$108K
61
$106K
62
$101K
63
$97K
64
$93K
65
$91K
66
$91K
67
$90K
68
$89K
69
$76K
70
$73K
71
$70K
72
$68K
73
$66K
74
$63K
75
$63K