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
+2
Holders Change %
+1.65%
% of All Funds
3.28%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
15
Increased
36
Reduced
34
Closed
12
Calls
$2.3M
Puts
$3.72M
Net Calls
-$1.42M
Net Calls Change
-$1.62M
Name Holding Trade Value Shares
Change
Shares
Change %
OAM
26
Oxford Asset Management
United Kingdom
$1.04M +$1.04M +275,208 New
ARTA
27
A.R.T. Advisors
New York
$936K -$1.03M -273,570 -52%
TA
28
Teachers Advisors
New York
$842K +$13.8K +3,656 +2%
State of New Jersey Common Pension Fund D
29
State of New Jersey Common Pension Fund D
New Jersey
$829K
RhumbLine Advisers
30
RhumbLine Advisers
Massachusetts
$818K +$44.9K +11,900 +6%
Goldman Sachs
31
Goldman Sachs
New York
$813K -$917K -243,149 -53%
AllianceBernstein
32
AllianceBernstein
Tennessee
$740K
PPA
33
Parametric Portfolio Associates
Washington
$719K -$169K -44,716 -19%
Swiss National Bank
34
Swiss National Bank
Switzerland
$643K
Citadel Advisors
35
Citadel Advisors
Florida
$640K -$191K -50,569 -23%
NSEDCP
36
NJ State Employees Deferred Compensation Plan
New Jersey
$622K
CS
37
Credit Suisse
Switzerland
$613K -$51.4K -13,609 -8%
ProShare Advisors
38
ProShare Advisors
Maryland
$592K +$74.8K +19,832 +14%
HI
39
HBK Investments
Texas
$573K +$573K +151,900 New
State Board of Administration of Florida Retirement System
40
State Board of Administration of Florida Retirement System
Florida
$524K
HCM
41
Highbridge Capital Management
New York
$510K -$683K -181,037 -57%
Two Sigma Investments
42
Two Sigma Investments
New York
$488K -$1.11M -293,817 -69%
MLICM
43
Metropolitan Life Insurance Company (MetLife)
New York
$484K -$1.49K -396 -0.3%
AIG
44
American International Group
New York
$471K
GCP
45
GSA Capital Partners
United Kingdom
$466K +$398K +105,510 +586%
NFA
46
Nationwide Fund Advisors
Ohio
$429K -$20.3K -5,375 -5%
VOYA Investment Management
47
VOYA Investment Management
Georgia
$381K -$70.8K -18,752 -16%
BA
48
BlackRock Advisors
Delaware
$373K +$48.5K +12,884 +15%
Morgan Stanley
49
Morgan Stanley
New York
$341K -$1.07M -284,080 -76%
UBS AM
50
UBS AM
Illinois
$304K -$91K -24,100 -23%