BLUE

bluebird bio

Delisted

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

307 hedge funds and large institutions have $8.41B invested in bluebird bio in 2018 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 121 increasing their positions, 88 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
307
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
$237M
Puts
$142M
Net Calls
Net Calls Change

Top Buyers

1 +$74.1M
2 +$70.1M
3 +$61.7M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$46.1M
5
Citigroup
Citigroup
New York
+$39.3M

Top Sellers

1 -$178M
2 -$55.1M
3 -$49.3M
4
State Street
State Street
Massachusetts
-$45.2M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$42.9M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$1.18B
2
$964M
3
$760M
4
$659M
5
$463M
6
$443M
7
$429M
8
$391M
9
$177M
10
$153M
11
$130M
12
$125M
13
$82.4M
14
$80.5M
15
$76.6M
16
$75.5M
17
$70.1M
18
$64.9M
19
$61M
20
$57.9M
21
$53M
22
$50.5M
23
$49.1M
24
$46.2M
25
$45.2M