BLUE

bluebird bio

Delisted

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

251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

29% less capital invested

Capital invested by funds: $8.48B → $6.04B (-$2.44B)

49% less first-time investments, than exits

New positions opened: 37 | Existing positions closed: 73

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
251
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
$169M
Puts
$88.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
76
$3.97M
77
$3.96M
78
$3.89M
79
$3.87M
80
$3.75M
81
$3.53M
82
$3.27M
83
$3.21M
84
$3.17M
85
$3.13M
86
$3.05M
87
$2.92M
88
$2.87M
89
$2.68M
90
$2.64M
91
$2.62M
92
$2.41M
93
$2.36M
94
$2.3M
95
$2.23M
96
$2.21M
97
$2.19M
98
$2.12M
99
$2.03M
100
$2M