GBIO icon

Generation Bio

88 hedge funds and large institutions have $390M invested in Generation Bio in 2021 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 29 increasing their positions, 23 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
88
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$110K
Puts
$91K
Net Calls
Net Calls Change

Top Buyers

1 +$9.91M
2 +$3.81M
3 +$2.66M
4
Two Sigma Investments
Two Sigma Investments
New York
+$1.72M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.62M

Top Sellers

1 -$36.9M
2 -$8.84M
3 -$8.32M
4
Ensign Peak Advisors
Ensign Peak Advisors
Utah
-$4.38M
5
LCM
Laurion Capital Management
New York
-$2.29M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.14M
27
$1.08M
28
$935K
29
$811K
30
$798K
31
$774K
32
$683K
33
$576K
34
$552K
35
$503K
36
$471K
37
$440K
38
$390K
39
$385K
40
$384K
41
$326K
42
$311K
43
$308K
44
$291K
45
$272K
46
$261K
47
$236K
48
$223K
49
$203K
50
$203K