BLUE

bluebird bio

Delisted

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

193 hedge funds and large institutions have $2.53B invested in bluebird bio in 2015 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 86 increasing their positions, 49 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
193
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$39.2M
Puts
$52M
Net Calls
Net Calls Change

Top Buyers

1 +$48.9M
2 +$42.9M
3 +$32.3M
4
State Street
State Street
Massachusetts
+$21.7M
5
Ameriprise
Ameriprise
Minnesota
+$17.9M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$5.96M
52
$5.66M
53
$5.1M
54
$4.81M
55
$4.62M
56
$4.43M
57
$4.26M
58
$4.25M
59
$4.2M
60
$3.79M
61
$3.74M
62
$3.58M
63
$3.52M
64
$3.51M
65
$3.23M
66
$3.17M
67
$3.13M
68
$3.1M
69
$3.06M
70
$3.04M
71
$2.97M
72
$2.92M
73
$2.8M
74
$2.78M
75
$2.75M