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
1
$63.5M
2
$16.9M
3
$16.1M
4
$12.5M
5
$10.3M
6
$4.73M
7
$3.12M
8
$2.84M
9
$2.33M
10
$2.26M
11
$1.98M
12
$1.58M
13
$1.31M
14
$1.24M
15
$1.24M
16
$1.24M
17
$1.22M
18
$1.16M
19
$910K
20
$848K
21
$764K
22
$705K
23
$684K
24
$674K
25
$526K