BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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176 hedge funds and large institutions have $309M invested in bluebird bio in 2023 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 70 increasing their positions, 41 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
176
Holders Change
-7
Holders Change %
-3.83%
% of All Funds
2.82%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
24
Increased
70
Reduced
41
Closed
31
Calls
$3.48M
Puts
$3.97M
Net Calls
-$489K
Net Calls Change
-$4.06M

Top Buyers

1
TCM
1
Tang Capital Management
California
$31.4M
2
State Street
2
State Street
Massachusetts
$56.5M
3
PHS
3
PFM Health Sciences
California
$14.6M
4
DM
4
Deerfield Management
New York
$6.92M
5
PAMS
5
Pictet Asset Management (Switzerland)
Switzerland
$9.87M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$0
2
Nuveen Asset Management
2
Nuveen Asset Management
Illinois
$936K
3
HF
3
HRT Financial
New York
$0
4
Invesco
4
Invesco
Georgia
$275K
5
WP
5
Woodline Partners
California
$2.51M
Name Holding Trade Value Shares
Change 		Shares
Change %
BJL
101
Brighton Jones LLC
Washington
$87.6K – – –
BC
102
Bridgefront Capital
Texas
$85K +$85K +1,337 New
PCM
103
Prelude Capital Management
New York
$84.8K +$84.8K +1,333 New
Axa
104
Axa
France
$77.9K -$47.7K -750 -38%
Franklin Resources
105
Franklin Resources
California
$77.1K -$2.29K -36 -3%
JF
106
Jump Financial
Illinois
$76.6K +$76.6K +1,205 New
FRM
107
Fox Run Management
Connecticut
$74.2K +$74.2K +1,167 New
Wolverine Trading
108
Wolverine Trading
Illinois
$74K +$35.5K +564 +92%
UBS AM
109
UBS AM
Illinois
$69.7K +$636 +10 +0.9%
AAM
110
Advisors Asset Management
Colorado
$65.8K +$10.5K +165 +19%
HIC
111
Holderness Investments Company
North Carolina
$65.2K +$5.6K +88 +9%
TRCT
112
Tower Research Capital (TRC)
New York
$64K -$102K -1,606 -62%
TW
113
TrinityPoint Wealth
Connecticut
$63.6K – – –
Cerity Partners
114
Cerity Partners
New York
$62.4K – – –
ProShare Advisors
115
ProShare Advisors
Maryland
$61.3K +$5.47K +86 +10%
Fiera Capital (Canada)
116
Fiera Capital (Canada)
Quebec, Canada
$59.9K – – –
Royal Bank of Canada
117
Royal Bank of Canada
Ontario, Canada
$57K -$5.84K -92 -9%
Zurich Cantonal Bank
118
Zurich Cantonal Bank
Switzerland
$55.4K +$11.6K +183 +27%
HSBC Holdings
119
HSBC Holdings
United Kingdom
$54K +$54K +859 New
GF
120
Gabelli Funds
New York
$50.9K -$12.7K -200 -20%
BHCM
121
Boulder Hill Capital Management
New York
$50.6K +$50.6K +795 New
AC
122
AXQ Capital
New Jersey
$50.3K +$14.1K +222 +39%
DT
123
Diversified Trust
Tennessee
$49.5K +$49.5K +778 New
FT
124
Fiduciary Trust
Massachusetts
$48K – – –
American Century Companies
125
American Century Companies
Missouri
$46.5K -$17.9K -285 -28%
3 4
5
6 7