BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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210 hedge funds and large institutions have $4.24B invested in bluebird bio in 2017 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
210
Holders Change
+11
Holders Change %
+5.53%
% of All Funds
5.24%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
37
Increased
56
Reduced
80
Closed
18
Calls
$60M
Puts
$35.1M
Net Calls
+$24.8M
Net Calls Change
+$18.6M

Top Buyers

1
BlackRock
BlackRock
New York
+$289M
2
Capital World Investors
Capital World Investors
California
+$43.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$25.2M
4
PC
PointState Capital
New York
+$15.3M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$13M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
2
DM
Deerfield Management
New York
-$17.7M
3
AG
Artal Group
Luxembourg
-$15.7M
4
FCM
Frontier Capital Management
Massachusetts
-$13.1M
5
Wells Fargo
Wells Fargo
California
-$11.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
AA
76
ALPS Advisors
Colorado
$3.19M -$64.8K -55 -2%
Russell Investments Group
77
Russell Investments Group
United Kingdom
$3.07M +$911K +774 +42%
TAM
78
Tocqueville Asset Management
New York
$2.84M -$1.04M -887 -27%
Manulife (Manufacturers Life Insurance)
79
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.84M +$398K +338 +16%
GH
80
GAM Holding
Switzerland
$2.81M – – –
Citigroup
81
Citigroup
New York
$2.8M -$1.75M -1,483 -38%
RSCM
82
Rock Springs Capital Management
Maryland
$2.77M +$182K +155 +7%
TRSOTSOK
83
Teachers Retirement System of the State of Kentucky
Kentucky
$2.74M -$16.5K -14 -0.6%
BG
84
Bellevue Group
Switzerland
$2.64M – – –
MLICM
85
Metropolitan Life Insurance Company (MetLife)
New York
$2.55M -$37.7K -32 -1%
AR
86
Advisory Research
Illinois
$2.55M +$333K +283 +15%
USAA
87
United Services Automobile Association
Texas
$2.53M -$564K -479 -18%
TAM
88
Tiverton Asset Management
Delaware
$2.5M – – –
ProShare Advisors
89
ProShare Advisors
Maryland
$2.49M -$400K -340 -14%
Federated Hermes
90
Federated Hermes
Pennsylvania
$2.44M -$284K -241 -10%
FPF
91
FNY Partners Fund
New York
$2.33M +$2.33M +1,976 New
CC
92
Casdin Capital
New York
$2.32M -$5.18M -4,400 -69%
AIG
93
American International Group
New York
$2.24M +$304K +258 +16%
AC
94
Armistice Capital
New York
$2.18M -$1.45M -1,235 -40%
State Board of Administration of Florida Retirement System
95
State Board of Administration of Florida Retirement System
Florida
$2.09M – – –
PPA
96
Parametric Portfolio Associates
Washington
$2.07M +$213K +181 +11%
WBC
97
Westpac Banking Corp
Australia
$2.06M -$745K -633 -27%
Principal Financial Group
98
Principal Financial Group
Iowa
$2.04M -$7.06K -6 -0.3%
BF
99
BOK Financial
Oklahoma
$1.92M +$53K +45 +3%
Allianz Asset Management
100
Allianz Asset Management
Germany
$1.88M -$6.57M -5,564 -78%
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