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
201
$338K
202
$331K
203
$327K
204
$319K
205
$315K
206
$315K
207
$315K
208
$305K
209
$304K
210
$283K
211
$283K
212
$280K
213
$280K
214
$276K
215
$275K
216
$272K
217
$267K
218
$261K
219
$258K
220
$256K
221
$226K
222
$221K
223
$220K
224
$209K
225
$208K