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
26
$869K
27
$815K
28
$794K
29
$766K
30
$633K
31
$561K
32
$542K
33
$502K
34
$455K
35
$446K
36
$411K
37
$408K
38
$400K
39
$399K
40
$396K
41
$383K
42
$382K
43
$375K
44
$329K
45
$323K
46
$312K
47
$307K
48
$304K
49
$291K
50
$284K