BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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148 hedge funds and large institutions have $78.3M invested in bluebird bio in 2024 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 37 increasing their positions, 47 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
148
Holders Change
-8
Holders Change %
-5.13%
% of All Funds
2.15%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
37
Reduced
47
Closed
30
Calls
$758K
Puts
$1.25M
Net Calls
-$495K
Net Calls Change
+$517K

Top Buyers

1
AQR Capital Management
1
AQR Capital Management
Connecticut
$1.22M
2
Deutsche Bank
2
Deutsche Bank
Germany
$1.15M
3
State Street
3
State Street
Massachusetts
$3.74M
4
SXL
4
Summit X LLC
Missouri
$577K
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$327K

Top Sellers

1
GIM
1
Granahan Investment Management
Massachusetts
$0
2
TCM
2
Tang Capital Management
California
$0
3
PHS
3
PFM Health Sciences
California
$0
4
FLSM
4
Frazier Life Sciences Management
California
$0
5
Two Sigma Investments
5
Two Sigma Investments
New York
$894K
Name Holding Trade Value Shares
Change 		Shares
Change %
MIM
51
MetLife Investment Management
New Jersey
$110K +$11.5K +586 +12%
Tudor Investment Corp
52
Tudor Investment Corp
Connecticut
$106K – – –
CF
53
Corebridge Financial
Texas
$101K +$101K +5,155 New
Squarepoint
54
Squarepoint
New York
$101K +$101K +5,122 New
Wells Fargo
55
Wells Fargo
California
$99.3K +$11.9K +606 +14%
Invesco
56
Invesco
Georgia
$86.5K +$6.02K +306 +7%
PI
57
Pennant Investors
New Jersey
$86K – – –
Cerity Partners
58
Cerity Partners
New York
$81.2K +$12.6K +642 +18%
UBS Group
59
UBS Group
Switzerland
$67.5K -$148K -7,528 -69%
HNB
60
Huntington National Bank
Ohio
$67.4K – – –
Barclays
61
Barclays
United Kingdom
$66K -$65.4K -3,343 -50%
VOYA Investment Management
62
VOYA Investment Management
Georgia
$64.9K +$5.57K +283 +9%
Baird Financial Group
63
Baird Financial Group
Wisconsin
$61.3K +$49K +2,488 +398%
Mariner
64
Mariner
Kansas
$54.6K -$1.77K -90 -3%
PFS
65
Prospera Financial Services
Texas
$54.1K +$13.2K +673 +32%
T. Rowe Price Associates
66
T. Rowe Price Associates
Maryland
$54K – – –
GS
67
GTS Securities
New York
$53.6K -$3.66K -186 -6%
SG Americas Securities
68
SG Americas Securities
New York
$48K -$30.9K -1,568 -39%
Citigroup
69
Citigroup
New York
$47.7K +$217 +11 +0.5%
SC
70
Savant Capital
Illinois
$42.9K +$42.9K +2,177 New
SFA
71
Sequoia Financial Advisors
Ohio
$41.9K +$2.46K +125 +6%
TRCT
72
Tower Research Capital (TRC)
New York
$38.1K +$36.8K +1,871 +2,878%
SIG
73
Sargent Investment Group
Maryland
$37.9K -$492 -25 -1%
ProShare Advisors
74
ProShare Advisors
Maryland
$36.8K -$10.2K -517 -22%
HKAM
75
Horizon Kinetics Asset Management
New York
$35.9K – – –
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