BLUE

bluebird bio

Delisted

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

80 hedge funds and large institutions have $23.7M invested in bluebird bio in 2024 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 20 increasing their positions, 31 reducing their positions, and 72 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
80
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
$40.7M
Puts
$4.89M
Net Calls
Net Calls Change

Top Buyers

1 +$845K
2 +$681K
3 +$632K
4
Jane Street
Jane Street
New York
+$228K
5
Goldman Sachs
Goldman Sachs
New York
+$181K

Top Sellers

1 -$674K
2 -$638K
3 -$550K
4
BlackRock
BlackRock
New York
-$530K
5
Millennium Management
Millennium Management
New York
-$507K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$5.91M
2
$4.38M
3
$1.95M
4
$1.65M
5
$887K
6
$681K
7
$681K
8
$680K
9
$658K
10
$632K
11
$517K
12
$447K
13
$423K
14
$407K
15
$397K
16
$336K
17
$314K
18
$313K
19
$242K
20
$231K
21
$217K
22
$175K
23
$167K
24
$164K
25
$162K