BLUE

bluebird bio

Delisted

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

274 hedge funds and large institutions have $5.27B invested in bluebird bio in 2019 Q4 according to their latest regulatory filings, with 69 funds opening new positions, 92 increasing their positions, 70 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
274
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
$103M
Puts
$71.3M
Net Calls
Net Calls Change

Top Buyers

1 +$87.4M
2 +$50.5M
3 +$48.3M
4
GGHC
Gilder Gagnon Howe & Co
New York
+$42M
5
Goldman Sachs
Goldman Sachs
New York
+$31.5M
Name Holding Trade Value Shares
Change
Change in
Stake
176
$334K
177
$327K
178
$325K
179
$314K
180
$312K
181
$307K
182
$306K
183
$297K
184
$281K
185
$278K
186
$263K
187
$261K
188
$259K
189
$252K
190
$251K
191
$246K
192
$232K
193
$224K
194
$218K
195
$211K
196
$208K
197
$200K
198
$195K
199
$169K
200
$167K