BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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278 hedge funds and large institutions have $3.94B invested in bluebird bio in 2020 Q2 according to their latest regulatory filings, with 71 funds opening new positions, 119 increasing their positions, 52 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
278
Holders Change
+31
Holders Change %
+12.55%
% of All Funds
5.71%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.08%
New
71
Increased
119
Reduced
52
Closed
39
Calls
$39.6M
Puts
$46.1M
Net Calls
-$6.51M
Net Calls Change
+$4.37M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$136M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$90.8M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$78.3M
4
CCM
Camber Capital Management
Massachusetts
+$77.8M
5
BlackRock
BlackRock
New York
+$67.8M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$174M
2
Victory Capital Management
Victory Capital Management
Texas
-$117M
3
Citadel Advisors
Citadel Advisors
Florida
-$58.4M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$56.8M
5
Capital World Investors
Capital World Investors
California
-$53.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
TC
76
Tarsadia Capital
New York
$4.93M +$1.28M +1,621 +35%
KBC Group
77
KBC Group
Belgium
$4.77M +$2.74M +3,470 +136%
RhumbLine Advisers
78
RhumbLine Advisers
Massachusetts
$4.7M +$921K +1,165 +24%
PPA
79
Parametric Portfolio Associates
Washington
$4.5M +$1.12M +1,412 +33%
GLA
80
Great Lakes Advisors
Illinois
$4.44M +$4.44M +5,615 New
Jane Street
81
Jane Street
New York
$3.81M +$3.23M +4,079 +552%
BC
82
Birchview Capital
Vermont
$3.66M +$3.66M +4,632 New
Los Angeles Capital Management
83
Los Angeles Capital Management
California
$3.63M +$3.63M +4,594 New
ECG
84
EPIQ Capital Group
California
$3.3M +$381K +482 +13%
N
85
Natixis
France
$3.2M +$3.2M +4,045 New
GC
86
Guggenheim Capital
Illinois
$3.18M +$1.11M +1,409 +54%
Legal & General Group
87
Legal & General Group
United Kingdom
$3.16M +$718K +908 +29%
Mirae Asset Global Investments
88
Mirae Asset Global Investments
South Korea
$3.02M +$2.17M +2,744 +255%
VanEck Associates
89
VanEck Associates
New York
$2.63M +$1.1M +1,397 +73%
MGI
90
MayTech Global Investments
New York
$2.57M +$12.7K +16 +0.5%
Thrivent Financial for Lutherans
91
Thrivent Financial for Lutherans
Minnesota
$2.56M – – –
State of New Jersey Common Pension Fund D
92
State of New Jersey Common Pension Fund D
New Jersey
$2.43M -$125K -158 -5%
EAM
93
Erste Asset Management
Austria
$2.14M – – –
Hudson Bay Capital Management
94
Hudson Bay Capital Management
Connecticut
$2.14M -$305K -386 -13%
SGH
95
Sivik Global Healthcare
Connecticut
$2.14M +$2.14M +2,702 New
Invesco
96
Invesco
Georgia
$2.11M -$210K -266 -9%
UBS Group
97
UBS Group
Switzerland
$2.08M +$638K +807 +44%
UR
98
USCA RIA
Texas
$2.06M +$640K +809 +45%
Squarepoint
99
Squarepoint
New York
$2M +$2M +2,527 New
AllianceBernstein
100
AllianceBernstein
Tennessee
$1.95M -$2.61M -3,300 -57%
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4
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