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
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$411K
152
$398K
153
$378K
154
$377K
155
$373K
156
$372K
157
$369K
158
$368K
159
$360K
160
$346K
161
$346K
162
$342K
163
$317K
164
$310K
165
$294K
166
$289K
167
$287K
168
$277K
169
$273K
170
$258K
171
$258K
172
$256K
173
$256K
174
$248K
175
$237K