BLUE

bluebird bio

Delisted

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

262 hedge funds and large institutions have $2.73B invested in bluebird bio in 2020 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 86 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less call options, than puts

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

less funds holding

Funds holding:

19% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 57

20% less capital invested

Capital invested by funds: $3.41B → $2.73B (-$680M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
262
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$45.9M
Puts
$49.1M
Net Calls
Net Calls Change

Top Buyers

1 +$36.6M
2 +$24.6M
3 +$18.8M
4
JP Morgan Chase
JP Morgan Chase
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M
Name Holding Trade Value Shares
Change
Change in
Stake
176
$236K
177
$229K
178
$227K
179
$226K
180
$223K
181
$219K
182
$218K
183
$209K
184
$202K
185
$191K
186
$186K
187
$177K
188
$153K
189
$134K
190
$134K
191
$133K
192
$130K
193
$128K
194
$122K
195
$110K
196
$108K
197
$74K
198
$72K
199
$70K
200
$66K