BLUE

bluebird bio

Delisted

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

196 hedge funds and large institutions have $996M invested in bluebird bio in 2021 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 63 increasing their positions, 60 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

49% less call options, than puts

Call options by funds: $9.13M | Put options by funds: $17.8M

55% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 58

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
196
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
$9.13M
Puts
$17.8M
Net Calls
Net Calls Change

Top Buyers

1 +$43.4M
2 +$33M
3 +$15.3M
4
AC
Armistice Capital
New York
+$12.2M
5
SC
Sessa Capital
New York
+$12.1M

Top Sellers

1 -$40.1M
2 -$37M
3 -$18M
4
DM
Deerfield Management
New York
-$15.4M
5
CS
Credit Suisse
Switzerland
-$12.1M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$326K
102
$316K
103
$304K
104
$285K
105
$277K
106
$261K
107
$261K
108
$252K
109
$250K
110
$243K
111
$242K
112
$240K
113
$233K
114
$230K
115
$224K
116
$214K
117
$214K
118
$210K
119
$208K
120
$207K
121
$207K
122
$206K
123
$199K
124
$199K
125
$197K