BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
+7
Holders Change %
+2.36%
% of All Funds
6.95%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
93
Reduced
113
Closed
44
Calls
$185M
Puts
$168M
Net Calls
+$17.5M
Net Calls Change
-$69.5M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$174M
2
Goldman Sachs
Goldman Sachs
New York
+$64.5M
3
Capital World Investors
Capital World Investors
California
+$56.9M
4
CGT
Capital Guardian Trust
California
+$49.9M
5
First Trust Advisors
First Trust Advisors
Illinois
+$46.7M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$52.9M
2
Franklin Resources
Franklin Resources
California
-$52.1M
3
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$51M
4
MWNA
Marshall Wace North America
New York
-$47.3M
5
ACH
ArrowMark Colorado Holdings
Colorado
-$39.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
TAM
101
Tocqueville Asset Management
New York
$4.43M -$496K -224 -10%
BJL
102
Brighton Jones LLC
Washington
$4.38M -$1.63M -735 -27%
Axa
103
Axa
France
$4.35M +$104K +47 +2%
FLAM
104
First Light Asset Management
Minnesota
$4.34M -$2.12M -959 -33%
EMFAT
105
Emerald Mutual Fund Advisers Trust
Pennsylvania
$4.33M -$7.36M -3,329 -63%
Capital Fund Management (CFM)
106
Capital Fund Management (CFM)
France
$4.33M +$4.33M +1,956 New
ACM
107
Atika Capital Management
New York
$4.1M -$427K -193 -9%
Bank of Montreal
108
Bank of Montreal
Ontario, Canada
$3.98M +$3.81M +1,724 +2,239%
Russell Investments Group
109
Russell Investments Group
United Kingdom
$3.93M -$340K -154 -8%
PNC Financial Services Group
110
PNC Financial Services Group
Pennsylvania
$3.91M -$13.3K -6 -0.3%
Citigroup
111
Citigroup
New York
$3.9M +$1.93M +872 +98%
BNP Paribas Financial Markets
112
BNP Paribas Financial Markets
France
$3.63M +$1.92M +867 +112%
AAM
113
Advisors Asset Management
Colorado
$3.56M +$7.81K +3 +0.2%
Legal & General Group
114
Legal & General Group
United Kingdom
$3.53M -$261K -118 -7%
GCP
115
GSA Capital Partners
United Kingdom
$3.49M +$3.49M +1,576 New
TWMP
116
Taylor Wealth Management Partners
Massachusetts
$3.48M -$451K -204 -11%
IBT
117
International Biotechnology Trust
United Kingdom
$3.41M – – –
CRC
118
Curi RMB Capital
Illinois
$3.29M +$1.19M +537 +56%
CIS
119
Capital International Sarl
California
$3.21M +$3.21M +1,450 New
PA
120
Profund Advisors
Maryland
$3.05M -$243K -110 -7%
Los Angeles Capital Management
121
Los Angeles Capital Management
California
$3.03M +$1.26M +568 +71%
TAM
122
Tiverton Asset Management
Delaware
$3.01M -$914K -413 -23%
MGI
123
MayTech Global Investments
New York
$2.99M +$177K +80 +6%
MLICM
124
Metropolitan Life Insurance Company (MetLife)
New York
$2.62M +$90.7K +41 +4%
BF
125
BOK Financial
Oklahoma
$2.55M -$842K -381 -25%
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