BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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192 hedge funds and large institutions have $3.12B invested in bluebird bio in 2015 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 93 increasing their positions, 59 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
192
Holders Change
-43
Holders Change %
-18.3%
% of All Funds
5.37%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.11%
New
21
Increased
93
Reduced
59
Closed
63
Calls
$59.5M
Puts
$64M
Net Calls
-$4.52M
Net Calls Change
-$9.39M

Top Buyers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$409M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$52.7M
3
O
3
OppenheimerFunds
New York
$96.5M
4
First Trust Advisors
4
First Trust Advisors
Illinois
$28.2M
5
O
5
OrbiMed
New York
$102M

Top Sellers

1
TCP
1
Tourbillon Capital Partners
New York
$0
2
PC
2
Passport Capital
California
$0
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$17.1M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$0
5
KCM
5
Kingdon Capital Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
TAM
76
Tocqueville Asset Management
New York
$3.62M +$961K +867 +36%
TA
77
Teachers Advisors
New York
$3.59M -$4.37M -3,942 -55%
Morgan Stanley
78
Morgan Stanley
New York
$3.44M -$3.36M -3,031 -49%
CSS
79
Cubist Systematic Strategies
Connecticut
$3.41M +$2.34M +2,111 +219%
Zurich Cantonal Bank
80
Zurich Cantonal Bank
Switzerland
$3.29M +$3.28M +2,963 +37,038%
TWMP
81
Taylor Wealth Management Partners
Massachusetts
$3.27M -$55.4K -50 -2%
California Public Employees Retirement System
82
California Public Employees Retirement System
California
$3.14M +$145K +131 +5%
State Board of Administration of Florida Retirement System
83
State Board of Administration of Florida Retirement System
Florida
$3.04M +$180K +162 +6%
Marshall Wace
84
Marshall Wace
United Kingdom
$3.04M +$3.04M +2,738 New
CWM
85
Cabot Wealth Management
Massachusetts
$2.93M +$916K +827 +46%
RhumbLine Advisers
86
RhumbLine Advisers
Massachusetts
$2.89M +$167K +151 +6%
ACA
87
Apis Capital Advisors
New York
$2.64M +$1.06M +955 +67%
NIP
88
Nicholas Investment Partners
California
$2.62M -$2.07M -1,866 -44%
ProShare Advisors
89
ProShare Advisors
Maryland
$2.48M +$235K +212 +10%
NFA
90
Nationwide Fund Advisors
Ohio
$2.48M +$366K +330 +17%
Citigroup
91
Citigroup
New York
$2.43M +$1.39M +1,251 +133%
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$2.29M +$132K +119 +6%
PA
93
Profund Advisors
Maryland
$2.2M +$2.2M +1,984 New
Asset Management One
94
Asset Management One
Japan
$2.12M -$311K -276 -13%
NIT
95
NumerixS Investment Technologies
British Columbia, Canada
$2.07M +$1.07M +968 +108%
PAM
96
Paradigm Asset Management
New York
$2.04M -$239K -216 -10%
Canada Pension Plan Investment Board
97
Canada Pension Plan Investment Board
Ontario, Canada
$1.86M +$1.77M +1,597 +2,074%
BG
98
BlackRock Group
United Kingdom
$1.84M +$275K +248 +18%
Group One Trading
99
Group One Trading
Illinois
$1.78M +$1.7M +1,535 +2,103%
Two Sigma Advisers
100
Two Sigma Advisers
New York
$1.78M -$6.9M -4,099 -79%
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4
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