123 hedge funds and large institutions have $257M invested in Geron in 2015 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 36 increasing their positions, 34 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.3M
Puts
$3.72M
Net Calls
Net Calls Change

Top Sellers

1 -$2.18M
2 -$1.51M
3 -$1.31M
4
Two Sigma Investments
Two Sigma Investments
New York
-$1.11M
5
Morgan Stanley
Morgan Stanley
New York
-$1.07M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$88.7M
2
$29.8M
3
$23.6M
4
$19.8M
5
$16.6M
6
$6.88M
7
$6.05M
8
$5.41M
9
$4.7M
10
$3.75M
11
$3.57M
12
$3.48M
13
$3.03M
14
$2.75M
15
$2.68M
16
$2.62M
17
$2.45M
18
$1.96M
19
$1.77M
20
$1.35M
21
$1.19M
22
$1.14M
23
$1.08M
24
$1.08M
25
$1.05M