BLUE

bluebird bio

Delisted

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

251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

29% less capital invested

Capital invested by funds: $8.48B → $6.04B (-$2.44B)

49% less first-time investments, than exits

New positions opened: 37 | Existing positions closed: 73

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
251
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
$169M
Puts
$88.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$901K
127
$899K
128
$883K
129
$875K
130
$825K
131
$747K
132
$744K
133
$633K
134
$628K
135
$627K
136
$622K
137
$617K
138
$600K
139
$588K
140
$574K
141
$556K
142
$549K
143
$532K
144
$517K
145
$504K
146
$500K
147
$494K
148
$489K
149
$452K
150
$446K