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 %
AAMU
76
Amundi Asset Management US
Massachusetts
$8.2M +$8.2M +3,706 New
TD Asset Management
77
TD Asset Management
Ontario, Canada
$8.06M +$531K +240 +7%
RSCM
78
Rock Springs Capital Management
Maryland
$7.68M – – –
Susquehanna International Group
79
Susquehanna International Group
Pennsylvania
$7.45M -$7.89M -3,568 -51%
Citadel Advisors
80
Citadel Advisors
Florida
$7.31M -$6.91M -3,123 -49%
MOACM
81
Mutual of America Capital Management
New York
$7.15M -$15.5K -7 -0.2%
DM
82
Deerfield Management
New York
$7M -$6.66M -3,011 -49%
RCAMU
83
Rothschild & Co Asset Management US
Connecticut
$6.4M -$336K -152 -5%
CS
84
Candriam SCA
Luxembourg
$6.32M -$854K -386 -12%
Manulife (Manufacturers Life Insurance)
85
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.15M -$150K -68 -2%
Royal Bank of Canada
86
Royal Bank of Canada
Ontario, Canada
$6.15M -$3.94M -1,780 -39%
GH
87
GAM Holding
Switzerland
$6.1M +$615K +278 +11%
Group One Trading
88
Group One Trading
Illinois
$6M +$6M +2,712 New
WBC
89
Westpac Banking Corp
Australia
$5.99M +$254K +115 +4%
USAA
90
United Services Automobile Association
Texas
$5.86M +$1.2M +544 +26%
Man Group
91
Man Group
United Kingdom
$5.78M +$5.78M +2,613 New
PPA
92
Parametric Portfolio Associates
Washington
$5.53M +$371K +168 +7%
NIP
93
Nicholas Investment Partners
California
$5.48M -$4.2M -1,898 -43%
VanEck Associates
94
VanEck Associates
New York
$5.37M -$1.05M -475 -16%
AIG
95
American International Group
New York
$5.34M -$288K -130 -5%
ProShare Advisors
96
ProShare Advisors
Maryland
$5.23M -$449K -203 -8%
Squarepoint
97
Squarepoint
New York
$5.09M +$5.09M +2,301 New
EA
98
Emerald Advisers
Pennsylvania
$4.96M -$9.64M -4,360 -66%
GC
99
Guggenheim Capital
Illinois
$4.89M +$281K +127 +6%
State Board of Administration of Florida Retirement System
100
State Board of Administration of Florida Retirement System
Florida
$4.63M +$245K +111 +6%
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