BLUE

bluebird bio

Delisted

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

262 hedge funds and large institutions have $2.73B invested in bluebird bio in 2020 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 86 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less call options, than puts

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

less funds holding

Funds holding:

19% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 57

20% less capital invested

Capital invested by funds: $3.41B → $2.73B (-$680M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
262
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$45.9M
Puts
$49.1M
Net Calls
Net Calls Change

Top Buyers

1 +$36.6M
2 +$24.6M
3 +$18.8M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M
Name Holding Trade Value Shares
Change
Change in
Stake
201
$65K
202
$62K
203
$55K
204
$50K
205
$48K
206
$46K
207
$43K
208
$40K
209
$34.9K
210
$32K
211
$31K
212
$26K
213
$26K
214
$25K
215
$22K
216
$18K
217
$17K
218
$13K
219
$12K
220
$12K
221
$11.5K
222
$11K
223
$11K
224
$11K
225
$10K