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
176
$967K
177
$963K
178
$953K
179
$946K
180
$929K
181
$888K
182
$870K
183
$858K
184
$854K
185
$820K
186
$808K
187
$799K
188
$778K
189
$761K
190
$709K
191
$708K
192
$689K
193
$683K
194
$683K
195
$638K
196
$618K
197
$612K
198
$582K
199
$581K
200
$564K