BLUE

bluebird bio

Delisted

BLUE was delisted on the 30th of May, 2025.

67 hedge funds and large institutions have $236M invested in bluebird bio in 2013 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
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
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$42.2M
2 +$27.8M
3 +$24.3M
4
Jennison Associates
Jennison Associates
New York
+$16.3M
5
RCM
RA Capital Management
Massachusetts
+$12.6M

Top Sellers

1 -$1.25M
2 -$425K
3 -$2.79K
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.35M
27
$1.16M
28
$1.08M
29
$1M
30
$983K
31
$979K
32
$942K
33
$941K
34
$876K
35
$787K
36
$787K
37
$507K
38
$507K
39
$470K
40
$445K
41
$438K
42
$406K
43
$404K
44
$387K
45
$359K
46
$347K
47
$341K
48
$321K
49
$270K
50
$264K