BLUE

bluebird bio

Delisted

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

229 hedge funds and large institutions have $1.59B invested in bluebird bio in 2021 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 85 increasing their positions, 64 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
229
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
$25.8M
Puts
$45.8M
Net Calls
Net Calls Change

Top Buyers

1 +$47.3M
2 +$32.7M
3 +$26.4M
4
SC
Sessa Capital
New York
+$26.4M
5
CS
Credit Suisse
Switzerland
+$24.5M
Name Holding Trade Value Shares
Change
Change in
Stake
126
$454K
127
$452K
128
$436K
129
$435K
130
$429K
131
$425K
132
$412K
133
$382K
134
$378K
135
$357K
136
$356K
137
$338K
138
$332K
139
$322K
140
$318K
141
$311K
142
$302K
143
$296K
144
$290K
145
$286K
146
$281K
147
$263K
148
$257K
149
$256K
150
$256K