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
151
$432K
152
$427K
153
$413K
154
$402K
155
$398K
156
$387K
157
$385K
158
$375K
159
$347K
160
$340K
161
$331K
162
$325K
163
$325K
164
$325K
165
$316K
166
$300K
167
$297K
168
$291K
169
$291K
170
$273K
171
$271K
172
$269K
173
$261K
174
$260K
175
$256K