126 hedge funds and large institutions have $197M invested in Geron in 2015 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 48 increasing their positions, 25 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
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
$1.69M
Puts
$2.58M
Net Calls
Net Calls Change

Top Buyers

1 +$1.79M
2 +$1.75M
3 +$1.37M
4
Millennium Management
Millennium Management
New York
+$1.08M
5
State Street
State Street
Massachusetts
+$998K

Top Sellers

1 -$6.45M
2 -$4.73M
3 -$3.38M
4
Deutsche Bank
Deutsche Bank
Germany
-$1.61M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$1.31M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$65.5M
2
$26.6M
3
$17.7M
4
$15.3M
5
$10.6M
6
$5.04M
7
$4.67M
8
$3.18M
9
$2.81M
10
$2.41M
11
$2.41M
12
$2.4M
13
$2.2M
14
$2.1M
15
$1.96M
16
$1.85M
17
$1.84M
18
$1.65M
19
$1.55M
20
$1.55M
21
$1.43M
22
$1.35M
23
$1.17M
24
$921K
25
$901K