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
176
$249K
177
$248K
178
$239K
179
$237K
180
$236K
181
$223K
182
$221K
183
$221K
184
$213K
185
$203K
186
$203K
187
$201K
188
$199K
189
$152K
190
$149K
191
$146K
192
$138K
193
$125K
194
$124K
195
$120K
196
$118K
197
$111K
198
$110K
199
$92K
200
$82K