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
76
$2.72M
77
$2.67M
78
$2.62M
79
$2.61M
80
$2.58M
81
$2.43M
82
$2.42M
83
$2.36M
84
$2.3M
85
$2.18M
86
$2.17M
87
$1.98M
88
$1.98M
89
$1.95M
90
$1.93M
91
$1.86M
92
$1.67M
93
$1.67M
94
$1.66M
95
$1.66M
96
$1.64M
97
$1.6M
98
$1.43M
99
$1.42M
100
$1.41M