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
176
$157K
177
$150K
178
$136K
179
$96K
180
$95K
181
$90K
182
$75.6K
183
$70K
184
$64K
185
$41K
186
$36K
187
$21K
188
$19K
189
$19K
190
$19K
191
$19K
192
$18K
193
$18K
194
$14K
195
$14K
196
$14K
197
$13K
198
$12K
199
$12K
200
$10K