BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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275 hedge funds and large institutions have $3.41B invested in bluebird bio in 2020 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 100 increasing their positions, 84 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.56%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
40
Increased
100
Reduced
84
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$18.4M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$14.2M
3
AC
Armistice Capital
New York
+$12.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$12.1M
5
GLA
Great Lakes Advisors
Illinois
+$11.9M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$42M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$25.7M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$22.9M
4
FCM
Frontier Capital Management
Massachusetts
-$19.8M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$16.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
DCM
101
DAFNA Capital Management
California
$1.63M – – –
BNP Paribas Financial Markets
102
BNP Paribas Financial Markets
France
$1.63M +$651K +932 +67%
SG Americas Securities
103
SG Americas Securities
New York
$1.6M +$1.23M +1,759 +332%
GH
104
GAM Holding
Switzerland
$1.59M – – –
DekaBank Deutsche Girozentrale
105
DekaBank Deutsche Girozentrale
Germany
$1.53M +$1.53M +2,164 New
Ohio Public Employees Retirement System (OPERS)
106
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.52M +$192K +275 +14%
BAM
107
Bullseye Asset Management
Colorado
$1.52M -$699 -1 -0%
CSS
108
Cubist Systematic Strategies
Connecticut
$1.49M +$619K +886 +71%
Hudson Bay Capital Management
109
Hudson Bay Capital Management
Connecticut
$1.48M -$405K -579 -21%
BJL
110
Brighton Jones LLC
Washington
$1.41M +$81.7K +117 +6%
Tudor Investment Corp
111
Tudor Investment Corp
Connecticut
$1.37M -$209K -299 -13%
RJA
112
Raymond James & Associates
Florida
$1.36M +$301K +431 +28%
BL
113
Bleichroeder LP
New York
$1.35M – – –
Treasurer of the State of North Carolina
114
Treasurer of the State of North Carolina
North Carolina
$1.31M +$27.9K +40 +2%
Envestnet Asset Management
115
Envestnet Asset Management
Illinois
$1.25M +$232K +332 +23%
FT
116
Fiduciary Trust
Massachusetts
$1.2M +$7.69K +11 +0.6%
TMAM
117
Tokio Marine Asset Management
Japan
$1.17M -$16.1K -23 -1%
Group One Trading
118
Group One Trading
Illinois
$1.16M -$440K -629 -28%
PL
119
Polianta Ltd
Jersey
$1.13M +$1.13M +1,613 New
Qube Research & Technologies (QRT)
120
Qube Research & Technologies (QRT)
United Kingdom
$1.1M +$29.4K +42 +3%
Cambridge Investment Research Advisors
121
Cambridge Investment Research Advisors
Iowa
$1.09M +$534K +764 +96%
VIA
122
Vident Investment Advisory
Georgia
$1.06M -$155K -222 -13%
ASRS
123
Arizona State Retirement System
Arizona
$1.05M +$266K +381 +34%
CRC
124
Curi RMB Capital
Illinois
$1.04M +$37.7K +54 +4%
TD Asset Management
125
TD Asset Management
Ontario, Canada
$954K -$723K -1,034 -43%
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