144 hedge funds and large institutions have $189M invested in Geron in 2021 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 41 increasing their positions, 44 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
144
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
$2.88M
Puts
$1.81M
Net Calls
Net Calls Change

Top Buyers

1 +$969K
2 +$648K
3 +$446K
4
Group One Trading
Group One Trading
Illinois
+$260K
5
Northern Trust
Northern Trust
Illinois
+$189K

Top Sellers

1 -$4.25M
2 -$4.12M
3 -$3.37M
4
Two Sigma Investments
Two Sigma Investments
New York
-$3.07M
5
BlackRock
BlackRock
New York
-$1.64M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$390K
27
$327K
28
$323K
29
$307K
30
$301K
31
$266K
32
$260K
33
$244K
34
$239K
35
$237K
36
$231K
37
$219K
38
$218K
39
$218K
40
$197K
41
$195K
42
$191K
43
$185K
44
$172K
45
$170K
46
$169K
47
$169K
48
$167K
49
$160K
50
$159K