BLUE

bluebird bio

Delisted

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

151 hedge funds and large institutions have $228M invested in bluebird bio in 2022 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 54 increasing their positions, 41 reducing their positions, and 45 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: $ → $

42% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 45

59% less call options, than puts

Call options by funds: $1.84M | Put options by funds: $4.53M

Holders
151
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
$1.84M
Puts
$4.53M
Net Calls
Net Calls Change

Top Buyers

1 +$18.1M
2 +$7.74M
3 +$6.48M
4
Citadel Advisors
Citadel Advisors
Florida
+$3.45M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$3.38M

Top Sellers

1 -$46.9M
2 -$10M
3 -$3.82M
4
UBS Group
UBS Group
Switzerland
-$3.5M
5
Rafferty Asset Management
Rafferty Asset Management
New York
-$2.97M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$50K
102
$50K
103
$46K
104
$45K
105
$43K
106
$42K
107
$42K
108
$41K
109
$37K
110
$37K
111
$36K
112
$29K
113
$25K
114
$21K
115
$14K
116
$12K
117
$10K
118
$7.98K
119
$6K
120
$6K
121
$5K
122
$4K
123
$4K
124
$4K
125
$4K