BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

288 hedge funds and large institutions have $8.48B invested in bluebird bio in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 99 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
-19
Holders Change %
-6.19%
% of All Funds
6.59%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
37
Increased
108
Reduced
99
Closed
54
Calls
$177M
Puts
$151M
Net Calls
+$25.9M
Net Calls Change
-$69.3M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$311M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$207M
3
Capital World Investors
Capital World Investors
California
+$136M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$88.4M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$72.2M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$54M
2
Millennium Management
Millennium Management
New York
-$53.8M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.2M
4
MWNA
Marshall Wace North America
New York
-$29M
5
Citigroup
Citigroup
New York
-$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
Legal & General Group
101
Legal & General Group
United Kingdom
$3.5M +$174K +92 +5%
ProShare Advisors
102
ProShare Advisors
Maryland
$3.49M +$242K +128 +7%
Treasurer of the State of North Carolina
103
Treasurer of the State of North Carolina
North Carolina
$3.46M +$1.6M +847 +86%
CII
104
Capital International Inc
California
$3.21M +$906K +479 +39%
CCP
105
Clough Capital Partners
Massachusetts
$3.19M -$1.91M -1,011 -37%
Ohio Public Employees Retirement System (OPERS)
106
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.07M -$1.54M -814 -33%
DCM
107
DAFNA Capital Management
California
$2.99M +$2.41M +1,274 +412%
TRSOTSOK
108
Teachers Retirement System of the State of Kentucky
Kentucky
$2.78M +$274K +145 +11%
PA
109
Profund Advisors
Maryland
$2.7M +$427K +226 +19%
Retirement Systems of Alabama
110
Retirement Systems of Alabama
Alabama
$2.64M – – –
ACM
111
Atika Capital Management
New York
$2.64M -$58.6K -31 -2%
TMAM
112
Tokio Marine Asset Management
Japan
$2.34M +$28.4K +15 +1%
State of Wisconsin Investment Board
113
State of Wisconsin Investment Board
Wisconsin
$2.3M +$869K +460 +61%
FIM
114
Foresters Investment Management
New York
$2.28M +$2.28M +1,206 New
CRC
115
Curi RMB Capital
Illinois
$2.27M +$289K +153 +15%
Daiwa Securities Group
116
Daiwa Securities Group
Japan
$2.26M -$7.56K -4 -0.3%
Hudson Bay Capital Management
117
Hudson Bay Capital Management
Connecticut
$2.25M +$2.25M +1,189 New
KBC Group
118
KBC Group
Belgium
$2.22M +$578K +306 +35%
Citadel Advisors
119
Citadel Advisors
Florida
$2.22M -$21.1M -11,177 -91%
Jane Street
120
Jane Street
New York
$2.22M -$2.89M -1,530 -57%
Point72 Asset Management
121
Point72 Asset Management
Connecticut
$2.19M -$2.56M -1,351 -54%
EVM
122
Eaton Vance Management
Massachusetts
$2.11M – – –
AAM
123
Advisors Asset Management
Colorado
$2.07M +$51.1K +27 +3%
IBT
124
International Biotechnology Trust
United Kingdom
$1.9M -$337K -232 -15%
TWMP
125
Taylor Wealth Management Partners
Massachusetts
$1.86M -$1.89K -1 -0.1%
3 4
5
6 7