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 %
UBS Group
51
UBS Group
Switzerland
$280K -$597K -23,311 -68%
Citadel Advisors
52
Citadel Advisors
Florida
$267K -$1.63M -63,745 -86%
BCM
53
Bridgeway Capital Management
Texas
$256K +$256K +10,000 New
New York State Common Retirement Fund
54
New York State Common Retirement Fund
New York
$244K -$359 -14 -0.1%
HCA
55
Harbor Capital Advisors
Illinois
$230K +$230K +8,992 New
AllianceBernstein
56
AllianceBernstein
Tennessee
$216K – – –
IWC
57
Integrated Wealth Concepts
Massachusetts
$191K +$161K +6,277 +534%
Barclays
58
Barclays
United Kingdom
$172K -$628K -24,522 -79%
Focus Partners Wealth
59
Focus Partners Wealth
Massachusetts
$148K +$109K +4,256 +278%
VEA
60
Virtus ETF Advisers
New York
$148K +$21.3K +831 +17%
Rafferty Asset Management
61
Rafferty Asset Management
New York
$139K -$1.69M -65,862 -92%
Tudor Investment Corp
62
Tudor Investment Corp
Connecticut
$138K – – –
BNP Paribas Financial Markets
63
BNP Paribas Financial Markets
France
$131K -$541K -21,143 -81%
MIM
64
MetLife Investment Management
New Jersey
$129K +$58.8K +2,296 +84%
AIG
65
American International Group
New York
$121K +$52.7K +2,059 +77%
Wells Fargo
66
Wells Fargo
California
$114K +$49.5K +1,934 +77%
PI
67
Pennant Investors
New Jersey
$112K – – –
Invesco
68
Invesco
Georgia
$105K -$17.2K -672 -14%
SG Americas Securities
69
SG Americas Securities
New York
$102K +$83.8K +3,286 +459%
DAS
70
Dynamic Advisor Solutions
Arizona
$90K +$41.6K +1,625 +86%
Cerity Partners
71
Cerity Partners
New York
$89.1K +$12.8K +501 +17%
State Board of Administration of Florida Retirement System
72
State Board of Administration of Florida Retirement System
Florida
$88.1K -$9.03K -142 -9%
HNB
73
Huntington National Bank
Ohio
$87.7K +$87K +3,400 +13,600%
HF
74
HRT Financial
New York
$81K +$81K +3,179 New
Mitsubishi UFJ Asset Management
75
Mitsubishi UFJ Asset Management
Japan
$78.5K -$3.58K -140 -4%
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