BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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156 hedge funds and large institutions have $134M invested in bluebird bio in 2024 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 61 increasing their positions, 40 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
156
Holders Change
-30
Holders Change %
-16.13%
% of All Funds
2.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
61
Reduced
40
Closed
54
Calls
$1.48M
Puts
$2.49M
Net Calls
-$1.01M
Net Calls Change
-$1.18M

Top Buyers

1
BlackRock
BlackRock
New York
$19.4M
2
Ameriprise
Ameriprise
Minnesota
$8.18M
3
Millennium Management
Millennium Management
New York
$7.99M
4
Geode Capital Management
Geode Capital Management
Massachusetts
$5.53M
5
Vanguard Group
Vanguard Group
Pennsylvania
$13.4M

Top Sellers

1
State Street
State Street
Massachusetts
$4.39M
2
Pictet Asset Management
Pictet Asset Management
Switzerland
$0
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
$1.61M
4
Norges Bank
Norges Bank
Norway
$0
5
GCM
Ghisallo Capital Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
MCM
26
Masters Capital Management
Georgia
$1.28M – – –
WP
27
Woodline Partners
California
$1.25M +$608K +23,751 +95%
LPC
28
Lion Point Capital
New York
$1.09M +$406K +15,850 +60%
Jane Street
29
Jane Street
New York
$1.03M +$593K +23,170 +136%
Walleye Capital
30
Walleye Capital
New York
$1M +$1M +39,172 New
Deutsche Bank
31
Deutsche Bank
Germany
$935K +$44K +1,720 +5%
MIC
32
Maxi Investments CY
Cyprus
$887K +$887K +1,157 New
D.E. Shaw & Co
33
D.E. Shaw & Co
New York
$872K +$872K +34,063 New
Goldman Sachs
34
Goldman Sachs
New York
$871K -$763K -29,788 -47%
Wellington Management Group
35
Wellington Management Group
Massachusetts
$845K +$59.8K +2,337 +8%
JFG
36
Jefferies Financial Group
New York
$807K – – –
Bank of New York Mellon
37
Bank of New York Mellon
New York
$735K +$197K +7,697 +37%
Group One Trading
38
Group One Trading
Illinois
$669K -$545K -21,272 -45%
Charles Schwab
39
Charles Schwab
California
$669K +$292K +11,423 +78%
Nuveen Asset Management
40
Nuveen Asset Management
Illinois
$525K +$129K +5,029 +33%
GCM
41
Graham Capital Management
Connecticut
$468K -$115K -4,492 -20%
Legal & General Group
42
Legal & General Group
United Kingdom
$434K +$421K +16,463 +3,495%
AQR Capital Management
43
AQR Capital Management
Connecticut
$411K +$171K +6,680 +71%
BC
44
Birchview Capital
Vermont
$411K – – –
CAPTRUST Financial Advisors
45
CAPTRUST Financial Advisors
North Carolina
$407K +$296K +11,559 +267%
Simplex Trading
46
Simplex Trading
Illinois
$333K +$9.31K +364 +3%
XT
47
XTX Topco
Cayman Islands
$330K +$306K +11,948 +1,262%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$299K +$86K +3,358 +40%
SXL
49
Summit X LLC
Missouri
$294K +$65.1K +2,541 +28%
LPL Financial
50
LPL Financial
California
$293K +$259K +10,108 +752%
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