BLUE

bluebird bio

Delisted

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

303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 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 funds holding

Funds holding:

less ownership

Funds ownership:

3% less capital invested

Capital invested by funds: $9.26B → $9B (-$260M)

18% less repeat investments, than reductions

Existing positions increased: 93 | Existing positions reduced: 113

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
303
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$185M
Puts
$168M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
201
$534K
202
$524K
203
$519K
204
$512K
205
$503K
206
$499K
207
$470K
208
$441K
209
$429K
210
$413K
211
$404K
212
$402K
213
$393K
214
$393K
215
$381K
216
$358K
217
$342K
218
$342K
219
$339K
220
$330K
221
$326K
222
$298K
223
$298K
224
$295K
225
$293K