BLUE

bluebird bio

Delisted

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

288 hedge funds and large institutions have $9.81B invested in bluebird bio in 2019 Q1 according to their latest regulatory filings, with 65 funds opening new positions, 106 increasing their positions, 79 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$141M
Puts
$87.5M
Net Calls
Net Calls Change

Top Buyers

1 +$74.9M
2 +$58.4M
3 +$49.1M
4
HM
HealthCor Management
New York
+$47.7M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$41.5M

Top Sellers

1 -$38.4M
2 -$25.3M
3 -$24.3M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$12.6M
5
AG
Artal Group
Luxembourg
-$11.8M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$1.3B
2
$1.15B
3
$1.05B
4
$806M
5
$770M
6
$705M
7
$633M
8
$469M
9
$242M
10
$183M
11
$140M
12
$123M
13
$120M
14
$102M
15
$92.6M
16
$91.4M
17
$76M
18
$74.9M
19
$71.8M
20
$69.6M
21
$56.2M
22
$55.2M
23
$53.3M
24
$49.5M
25
$47.7M