BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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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 %
TAM
76
Tocqueville Asset Management
New York
$8M +$206K +109 +3%
FAM
77
Fred Alger Management
New York
$7.75M -$473K -250 -6%
VanEck Associates
78
VanEck Associates
New York
$7.71M +$2.59M +1,368 +50%
RSCM
79
Rock Springs Capital Management
Maryland
$7.67M +$1.1M +579 +17%
JPMorgan Chase & Co
80
JPMorgan Chase & Co
New York
$7.51M -$9.33M -4,934 -55%
TD Asset Management
81
TD Asset Management
Ontario, Canada
$7.46M +$28.4K +15 +0.4%
Group One Trading
82
Group One Trading
Illinois
$7.28M -$739K -391 -9%
GH
83
GAM Holding
Switzerland
$6.29M +$1.08M +571 +21%
UBS Group
84
UBS Group
Switzerland
$6.22M -$1.63M -860 -21%
Principal Financial Group
85
Principal Financial Group
Iowa
$6.07M -$401K -212 -6%
Bank of Montreal
86
Bank of Montreal
Ontario, Canada
$5.9M +$1.58M +833 +36%
CIS
87
Capital International Sarl
California
$5.62M +$2M +1,055 +55%
DG
88
Delek Group
Israel
$5.51M +$5.51M +2,934 New
GC
89
Guggenheim Capital
Illinois
$5.32M +$949K +502 +22%
USAA
90
United Services Automobile Association
Texas
$5.27M +$308K +163 +6%
WBC
91
Westpac Banking Corp
Australia
$4.95M -$2.36M -1,249 -32%
WM
92
WS Management
Florida
$4.91M – – –
FLAM
93
First Light Asset Management
Minnesota
$4.85M -$20.8K -11 -0.4%
Los Angeles Capital Management
94
Los Angeles Capital Management
California
$4.39M -$15.3M -8,106 -78%
VOYA Investment Management
95
VOYA Investment Management
Georgia
$4.15M +$414K +219 +11%
Wolverine Trading
96
Wolverine Trading
Illinois
$3.92M +$2.01M +1,060 +105%
MGI
97
MayTech Global Investments
New York
$3.84M +$550K +291 +17%
PPA
98
Parametric Portfolio Associates
Washington
$3.82M -$618K -327 -14%
BCM
99
BlueCrest Capital Management
Jersey
$3.71M -$2.18M -1,151 -37%
BJL
100
Brighton Jones LLC
Washington
$3.55M -$202K -107 -5%
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