BLUE

bluebird bio

Delisted

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

251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

29% less capital invested

Capital invested by funds: $8.48B → $6.04B (-$2.44B)

49% less first-time investments, than exits

New positions opened: 37 | Existing positions closed: 73

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
251
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
$169M
Puts
$88.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
201
$79K
202
$75K
203
$70K
204
$69K
205
$46K
206
$36K
207
$34.4K
208
$33K
209
$29K
210
$27K
211
$24K
212
$21K
213
$20K
214
$17K
215
$17K
216
$15K
217
$15K
218
$15K
219
$11K
220
$11K
221
$10.2K
222
$10K
223
$10K
224
$10K
225
$9.22K