BLUE

bluebird bio

Delisted

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

288 hedge funds and large institutions have $9.81B invested in bluebird bio in 2019 Q1 according to their latest regulatory filings, with 65 funds opening new positions, 106 increasing their positions, 79 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$141M
Puts
$87.5M
Net Calls
Net Calls Change

Top Buyers

1 +$74.9M
2 +$58.4M
3 +$49.1M
4
HM
HealthCor Management
New York
+$47.7M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$41.5M

Top Sellers

1 -$38.4M
2 -$25.3M
3 -$24.3M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$12.6M
5
AG
Artal Group
Luxembourg
-$11.8M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$919K
152
$910K
153
$897K
154
$883K
155
$876K
156
$832K
157
$816K
158
$800K
159
$787K
160
$780K
161
$744K
162
$687K
163
$677K
164
$665K
165
$662K
166
$656K
167
$649K
168
$648K
169
$645K
170
$630K
171
$618K
172
$606K
173
$602K
174
$577K
175
$569K