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
226
$208K
227
$205K
228
$205K
229
$202K
230
$189K
231
$181K
232
$177K
233
$166K
234
$132K
235
$126K
236
$124K
237
$102K
238
$79K
239
$74K
240
$72K
241
$68K
242
$57K
243
$56K
244
$55.5K
245
$50K
246
$46K
247
$46K
248
$39K
249
$34K
250
$32K