BLUE

bluebird bio

Delisted

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

307 hedge funds and large institutions have $8.41B invested in bluebird bio in 2018 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 121 increasing their positions, 88 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
307
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$237M
Puts
$142M
Net Calls
Net Calls Change

Top Buyers

1 +$74.1M
2 +$70.1M
3 +$61.7M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$46.1M
5
Citigroup
Citigroup
New York
+$39.3M

Top Sellers

1 -$178M
2 -$55.1M
3 -$49.3M
4
State Street
State Street
Massachusetts
-$45.2M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$42.9M
Name Holding Trade Value Shares
Change
Change in
Stake
201
$537K
202
$504K
203
$492K
204
$489K
205
$481K
206
$471K
207
$471K
208
$455K
209
$412K
210
$409K
211
$406K
212
$405K
213
$381K
214
$373K
215
$357K
216
$354K
217
$350K
218
$350K
219
$349K
220
$345K
221
$345K
222
$345K
223
$336K
224
$329K
225
$320K