BLUE

bluebird bio

Delisted

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

192 hedge funds and large institutions have $3.12B invested in bluebird bio in 2015 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 93 increasing their positions, 59 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
192
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
$59.5M
Puts
$64M
Net Calls
Net Calls Change

Top Buyers

1 +$92.8M
2 +$52.7M
3 +$37.6M
4
First Trust Advisors
First Trust Advisors
Illinois
+$28.2M
5
O
OrbiMed
New York
+$19.7M

Top Sellers

1 -$42.1M
2 -$36.2M
3 -$34.7M
4
Two Sigma Investments
Two Sigma Investments
New York
-$32.6M
5
KCM
Kingdon Capital Management
New York
-$25M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$465M
2
$409M
3
$380M
4
$188M
5
$157M
6
$112M
7
$102M
8
$96.5M
9
$73.8M
10
$71.8M
11
$61.6M
12
$52.8M
13
$52.7M
14
$41.3M
15
$35.9M
16
$31.8M
17
$30.9M
18
$30.2M
19
$28.2M
20
$26.9M
21
$26.5M
22
$25.7M
23
$23M
24
$19.9M
25
$19.6M