BLUE

bluebird bio

Delisted

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

278 hedge funds and large institutions have $3.94B invested in bluebird bio in 2020 Q2 according to their latest regulatory filings, with 71 funds opening new positions, 119 increasing their positions, 52 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

13% more funds holding

Funds holding: 247278 (+31)

0.67% less ownership

Funds ownership: 8.36%7.69% (-0.67%)

14% less call options, than puts

Call options by funds: $39.6M | Put options by funds: $46.1M

Holders
278
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$39.6M
Puts
$46.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
176
$421K
177
$419K
178
$404K
179
$402K
180
$394K
181
$391K
182
$385K
183
$372K
184
$371K
185
$344K
186
$341K
187
$334K
188
$333K
189
$316K
190
$311K
191
$305K
192
$304K
193
$292K
194
$288K
195
$278K
196
$277K
197
$273K
198
$268K
199
$261K
200
$244K