BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.87B invested in bluebird bio in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 81 increasing their positions, 78 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
5.29%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
81
Reduced
78
Closed
54
Calls
$81.7M
Puts
$103M
Net Calls
-$21.7M
Net Calls Change
+$9.31M

Top Buyers

1
Sands Capital Management
Sands Capital Management
Virginia
+$98.4M
2
Victory Capital Management
Victory Capital Management
Texas
+$87.6M
3
Capital World Investors
Capital World Investors
California
+$72.6M
4
Capital International Investors
Capital International Investors
California
+$32.3M
5
CII
Capital International Inc
California
+$30.6M

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$70.5M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$41.9M
3
First Trust Advisors
First Trust Advisors
Illinois
-$37.1M
4
Bank of America
Bank of America
North Carolina
-$22.2M
5
Goldman Sachs
Goldman Sachs
New York
-$20.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
EAM
76
Erste Asset Management
Austria
$3.3M – – –
Legal & General Group
77
Legal & General Group
United Kingdom
$3.21M +$483K +406 +18%
TD Asset Management
78
TD Asset Management
Ontario, Canada
$3.2M -$348K -293 -10%
GC
79
Guggenheim Capital
Illinois
$2.95M -$77.3K -65 -3%
MGI
80
MayTech Global Investments
New York
$2.92M +$70.2K +59 +2%
GGHC
81
Gilder Gagnon Howe & Co
New York
$2.92M -$710K -597 -20%
Barclays
82
Barclays
United Kingdom
$2.87M +$2.29M +1,929 +397%
TRSOTSOK
83
Teachers Retirement System of the State of Kentucky
Kentucky
$2.71M +$471K +396 +21%
Royal Bank of Canada
84
Royal Bank of Canada
Ontario, Canada
$2.66M +$101K +85 +4%
State of Wisconsin Investment Board
85
State of Wisconsin Investment Board
Wisconsin
$2.51M -$5.95K -5 -0.2%
AllianceBernstein
86
AllianceBernstein
Tennessee
$2.39M -$1.61M -1,351 -40%
Jane Street
87
Jane Street
New York
$2.38M +$205K +172 +9%
HSBC Holdings
88
HSBC Holdings
United Kingdom
$2.37M +$2.37M +1,992 New
DCM
89
DAFNA Capital Management
California
$2.34M – – –
BJL
90
Brighton Jones LLC
Washington
$2.26M – – –
KBC Group
91
KBC Group
Belgium
$2.18M +$470K +395 +27%
Russell Investments Group
92
Russell Investments Group
United Kingdom
$2.11M +$522K +439 +33%
Marshall Wace
93
Marshall Wace
United Kingdom
$2.1M +$2.1M +1,766 New
Group One Trading
94
Group One Trading
Illinois
$2.07M -$989K -831 -32%
CIS
95
Capital International Sarl
California
$2.05M -$809K -680 -28%
VanEck Associates
96
VanEck Associates
New York
$1.95M -$76.1K -64 -4%
BNP Paribas Asset Management
97
BNP Paribas Asset Management
France
$1.9M -$5.27M -4,429 -74%
CM
98
Caption Management
Oklahoma
$1.78M +$1.23M +1,035 +224%
Ohio Public Employees Retirement System (OPERS)
99
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.76M +$4.76K +4 +0.3%
CSS
100
Cubist Systematic Strategies
Connecticut
$1.74M -$2.29M -1,922 -57%
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