BLUE

bluebird bio

Delisted

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

296 hedge funds and large institutions have $9.26B invested in bluebird bio in 2017 Q4 according to their latest regulatory filings, with 78 funds opening new positions, 96 increasing their positions, 97 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.3% less ownership

Funds ownership: 8.51%8.21% (-0.3%)

1% less repeat investments, than reductions

Existing positions increased: 96 | Existing positions reduced: 97

Holders
296
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
$256M
Puts
$170M
Net Calls
Net Calls Change

Top Sellers

1 -$232M
2 -$53.9M
3 -$31.5M
4
State Street
State Street
Massachusetts
-$30M
5
UBS AM
UBS AM
Illinois
-$27.9M
Name Holding Trade Value Shares
Change
Change in
Stake
226
$326K
227
$323K
228
$321K
229
$305K
230
$301K
231
$294K
232
$277K
233
$277K
234
$267K
235
$267K
236
$266K
237
$265K
238
$247K
239
$243K
240
$242K
241
$235K
242
$232K
243
$229K
244
$216K
245
$214K
246
$214K
247
$213K
248
$205K
249
$176K
250
$160K