BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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195 hedge funds and large institutions have $2.53B invested in bluebird bio in 2015 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 86 increasing their positions, 49 reducing their positions, and 41 closing their positions.

Holders
195
Holders Change
+3
Holders Change %
+1.56%
% of All Funds
5.12%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
46
Increased
86
Reduced
49
Closed
41
Calls
$39.2M
Puts
$52M
Net Calls
-$12.8M
Net Calls Change
-$8.29M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$133M
2
PHS
2
PFM Health Sciences
California
$42.9M
3
Jennison Associates
3
Jennison Associates
New York
$55.5M
4
State Street
4
State Street
Massachusetts
$61.3M
5
Ameriprise
5
Ameriprise
Minnesota
$32.3M

Top Sellers

1
Viking Global Investors
1
Viking Global Investors
Connecticut
$0
2
DM
2
Deerfield Management
New York
$0
3
First Trust Advisors
3
First Trust Advisors
Illinois
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$0
Name Market Value Shares Shares
Change 		Shares
Change %
GH
76
GAM Holding
Switzerland
$2.72M 42,300 +42,300 New
Citigroup
77
Citigroup
New York
$2.67M 41,550 +13,148 +46%
NFA
78
Nationwide Fund Advisors
Ohio
$2.62M 40,800 +11,830 +41%
Zurich Cantonal Bank
79
Zurich Cantonal Bank
Switzerland
$2.61M 40,669 +2,186 +6%
Group One Trading
80
Group One Trading
Illinois
$2.59M 40,250 +19,426 +93%
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$2.43M 37,859 +2,385 +7%
TWMP
82
Taylor Wealth Management Partners
Massachusetts
$2.42M 37,664 -520 -1%
Susquehanna International Group
83
Susquehanna International Group
Pennsylvania
$2.36M 36,717 -158,337 -81%
RhumbLine Advisers
84
RhumbLine Advisers
Massachusetts
$2.3M 35,855 +2,023 +6%
MIG
85
Mariner Investment Group
New York
$2.18M 34,000 +34,000 New
Millennium Management
86
Millennium Management
New York
$2.17M 33,773 -122,554 -78%
Canada Pension Plan Investment Board
87
Canada Pension Plan Investment Board
Ontario, Canada
$1.98M 30,881 +9,200 +42%
ProShare Advisors
88
ProShare Advisors
Maryland
$1.98M 30,869 +1,888 +7%
CPIM
89
Columbia Partners Investment Management
Virginia
$1.95M 30,338 +30,338 New
AIC
90
AWM Investment Company
New York
$1.93M 30,000 +30,000 New
BAMS
91
Bellevue Asset Management (Switzerland)
Switzerland
$1.86M 29,000 +8,500 +41%
Jane Street
92
Jane Street
New York
$1.67M 26,051 +14,403 +124%
State of Wisconsin Investment Board
93
State of Wisconsin Investment Board
Wisconsin
$1.67M 25,920 -810 -3%
Asset Management One
94
Asset Management One
Japan
$1.66M 25,029 +622 +3%
PA
95
Profund Advisors
Maryland
$1.66M 25,766 +62 +0.2%
CSS
96
Cubist Systematic Strategies
Connecticut
$1.64M 25,490 -14,322 -36%
Tudor Investment Corp
97
Tudor Investment Corp
Connecticut
$1.61M 25,000 +25,000 New
BG
98
BlackRock Group
United Kingdom
$1.43M 22,179 +704 +3%
Citadel Advisors
99
Citadel Advisors
Florida
$1.42M 22,114 -52,113 -70%
Creative Planning
100
Creative Planning
Kansas
$1.41M 21,975 +15,475 +238%
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