BLUE

bluebird bio

Delisted

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

296 hedge funds and large institutions have $9.26B invested in bluebird bio in 2017 Q4 according to their latest regulatory filings, with 78 funds opening new positions, 96 increasing their positions, 97 reducing their positions, and 24 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.3% less ownership

Funds ownership: 8.51%8.21% (-0.3%)

1% less repeat investments, than reductions

Existing positions increased: 96 | Existing positions reduced: 97

Holders
296
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
$256M
Puts
$170M
Net Calls
Net Calls Change

Top Sellers

1 -$232M
2 -$53.9M
3 -$31.5M
4
State Street
State Street
Massachusetts
-$30M
5
UBS AM
UBS AM
Illinois
-$27.9M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$1.99M
152
$1.99M
153
$1.86M
154
$1.84M
155
$1.84M
156
$1.79M
157
$1.78M
158
$1.76M
159
$1.73M
160
$1.72M
161
$1.65M
162
$1.58M
163
$1.47M
164
$1.42M
165
$1.39M
166
$1.38M
167
$1.33M
168
$1.27M
169
$1.26M
170
$1.25M
171
$1.24M
172
$1.23M
173
$1.18M
174
$1.16M
175
$1.16M