BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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177 hedge funds and large institutions have $1.9B invested in bluebird bio in 2016 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 70 increasing their positions, 62 reducing their positions, and 31 closing their positions.

Holders
177
Holders Change
-10
Holders Change %
-5.35%
% of All Funds
4.73%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
23
Increased
70
Reduced
62
Closed
31
Calls
$22.4M
Puts
$24.8M
Net Calls
-$2.4M
Net Calls Change
+$11.8M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$89.9M
2
BFA
2
BlackRock Fund Advisors
California
$60M
3
State Street
3
State Street
Massachusetts
$73.6M
4
RI
4
RTW Investments
New York
$26.5M
5
DM
5
Deerfield Management
New York
$14.6M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$40.6M
2
Goldman Sachs
2
Goldman Sachs
New York
$6.71M
3
TCIM
3
TIAA CREF Investment Management
New York
$6.55M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$5.63M
5
CCI
5
Columbus Circle Investors
$8.71M
Name Market Value Shares Shares
Change 		Shares
Change %
RSCM
101
Rock Springs Capital Management
Maryland
$866K 20,000 – –
Canada Pension Plan Investment Board
102
Canada Pension Plan Investment Board
Ontario, Canada
$857K 19,800 +600 +3%
WC
103
Woodstock Corp
Massachusetts
$849K 19,603 -8 -0%
PPA
104
Parametric Portfolio Associates
Washington
$818K 18,904 -13,613 -42%
BA
105
BlackRock Advisors
Delaware
$753K 17,403 +134 +0.8%
CG
106
Cutler Group
California
$745K 17,214 -19,127 -53%
VIA
107
Vident Investment Advisory
Georgia
$722K 16,673 -6,273 -27%
Allianz Asset Management
108
Allianz Asset Management
Germany
$679K 15,697 – –
VOYA Investment Management
109
VOYA Investment Management
Georgia
$677K 15,636 +2 +0%
MAM
110
Martingale Asset Management
Massachusetts
$616K 14,208 +14,208 New
AP
111
AlpInvest Partners
Netherlands
$605K 13,980 -32,284 -70%
NIT
112
NumerixS Investment Technologies
British Columbia, Canada
$571K 13,200 -6,300 -32%
DCM
113
DAFNA Capital Management
California
$519K 12,000 – –
KBC Group
114
KBC Group
Belgium
$518K 11,969 – –
Tudor Investment Corp
115
Tudor Investment Corp
Connecticut
$437K 10,098 +10,098 New
Jane Street
116
Jane Street
New York
$425K 9,819 -16,606 -63%
EEG
117
E.E. Geduld
$424K 9,800 +9,800 New
CGL
118
Clarius Group LLC
Washington
$361K 8,341 -1,325 -14%
Legal & General Group
119
Legal & General Group
United Kingdom
$352K 8,314 +5,419 +187%
BlackRock
120
BlackRock
New York
$309K 7,143 +2,574 +56%
Public Employees Retirement Association of Colorado
121
Public Employees Retirement Association of Colorado
Colorado
$308K 7,118 -1,148 -14%
UBS Group
122
UBS Group
Switzerland
$305K 7,045 +156 +2%
Capital Fund Management (CFM)
123
Capital Fund Management (CFM)
France
$295K 6,803 +6,803 New
CWG
124
C WorldWide Group
Denmark
$277K 6,400 +1,400 +28%
VEA
125
Virtus ETF Advisers
New York
$267K 6,165 +1,913 +45%
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5
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