BLUE

bluebird bio

Delisted

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

67 hedge funds and large institutions have $236M invested in bluebird bio in 2013 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
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
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$42.2M
2 +$27.8M
3 +$24.3M
4
Jennison Associates
Jennison Associates
New York
+$16.3M
5
RCM
RA Capital Management
Massachusetts
+$12.6M

Top Sellers

1 -$1.25M
2 -$425K
3 -$2.79K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$42.2M
2
$27.8M
3
$24.3M
4
$16.3M
5
$12.6M
6
$11.4M
7
$9.16M
8
$8.71M
9
$6.62M
10
$6M
11
$5.8M
12
$5.39M
13
$5.33M
14
$5.19M
15
$4.54M
16
$4.45M
17
$4.04M
18
$4.04M
19
$3.01M
20
$2.83M
21
$2.02M
22
$1.75M
23
$1.72M
24
$1.53M
25
$1.48M