BLUE

bluebird bio

Delisted

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

186 hedge funds and large institutions have $182M invested in bluebird bio in 2023 Q4 according to their latest regulatory filings, with 54 funds opening new positions, 63 increasing their positions, 39 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

more ownership

Funds ownership:

3% more call options, than puts

Call options by funds: $5.42M | Put options by funds: $5.25M

33% less capital invested

Capital invested by funds: $272M → $182M (-$90.6M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
186
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.42M
Puts
$5.25M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$3.27K
152
$2.71K
153
$2.68K
154
$2.36K
155
$1.64K
156
$1.58K
157
$1.52K
158
$1.38K
159
$1.38K
160
$1.38K
161
$1K
162
$932
163
$896
164
$835
165
$690
166
$690
167
$690
168
$685
169
$493
170
$470
171
$349
172
$317
173
$276
174
$242
175
$242