BLUE

bluebird bio

Delisted

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

303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding

Funds holding:

less ownership

Funds ownership:

3% less capital invested

Capital invested by funds: $9.26B → $9B (-$260M)

18% less repeat investments, than reductions

Existing positions increased: 93 | Existing positions reduced: 113

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
303
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$185M
Puts
$168M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$1.41M
152
$1.38M
153
$1.37M
154
$1.37M
155
$1.3M
156
$1.28M
157
$1.28M
158
$1.26M
159
$1.24M
160
$1.22M
161
$1.2M
162
$1.16M
163
$1.15M
164
$1.15M
165
$1.15M
166
$1.14M
167
$1.12M
168
$1.11M
169
$1.11M
170
$1.08M
171
$1.08M
172
$1.07M
173
$1.05M
174
$1.05M
175
$1M