111 hedge funds and large institutions have $126M invested in Geron in 2016 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 39 increasing their positions, 31 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
111
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
$2.11M
Puts
$1.36M
Net Calls
Net Calls Change

Top Buyers

1 +$1.66M
2 +$1.56M
3 +$934K
4
Citigroup
Citigroup
New York
+$749K
5
Millennium Management
Millennium Management
New York
+$638K

Top Sellers

1 -$1.17M
2 -$886K
3 -$724K
4
SIM
Spark Investment Management
New York
-$377K
5
Citadel Advisors
Citadel Advisors
Florida
-$369K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$49.1M
2
$14.7M
3
$13.7M
4
$9.46M
5
$8.34M
6
$3.77M
7
$2.41M
8
$2.26M
9
$1.8M
10
$1.69M
11
$1.61M
12
$1.21M
13
$1.06M
14
$1.01M
15
$896K
16
$857K
17
$772K
18
$643K
19
$608K
20
$569K
21
$521K
22
$444K
23
$406K
24
$353K
25
$322K