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
101
$1.39M
102
$1.31M
103
$1.31M
104
$1.3M
105
$1.25M
106
$1.25M
107
$1.23M
108
$1.22M
109
$1.22M
110
$1.17M
111
$1.13M
112
$1.08M
113
$1.05M
114
$1.01M
115
$1M
116
$991K
117
$977K
118
$891K
119
$871K
120
$858K
121
$845K
122
$831K
123
$825K
124
$818K
125
$802K