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
251
$157K
252
$142K
253
$135K
254
$114K
255
$112K
256
$82K
257
$71K
258
$71K
259
$66K
260
$65K
261
$64K
262
$57K
263
$52K
264
$49K
265
$41K
266
$38K
267
$36K
268
$31K
269
$27.2K
270
$27K
271
$27K
272
$27K
273
$25K
274
$24K
275
$20K