BLUE

bluebird bio

Delisted

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

210 hedge funds and large institutions have $4.24B invested in bluebird bio in 2017 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0.06% less ownership

Funds ownership: 8.87%8.81% (-0.06%)

30% less repeat investments, than reductions

Existing positions increased: 56 | Existing positions reduced: 80

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
210
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$60M
Puts
$35.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$826K
127
$818K
128
$789K
129
$737K
130
$736K
131
$733K
132
$707K
133
$707K
134
$698K
135
$685K
136
$661K
137
$647K
138
$645K
139
$592K
140
$588K
141
$587K
142
$580K
143
$579K
144
$554K
145
$539K
146
$536K
147
$531K
148
$487K
149
$460K
150
$448K