BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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196 hedge funds and large institutions have $996M invested in bluebird bio in 2021 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 63 increasing their positions, 60 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
196
Holders Change
-35
Holders Change %
-15.15%
% of All Funds
3.44%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
26
Increased
63
Reduced
60
Closed
58
Calls
$9.13M
Puts
$17.8M
Net Calls
-$8.64M
Net Calls Change
-$2.12M

Top Buyers

1
BBA
1
Baker Bros. Advisors
New York
$47.8M
2
State Street
2
State Street
Massachusetts
$85.4M
3
EC
3
EcoR1 Capital
California
$15.3M
4
AC
4
Armistice Capital
New York
$47.2M
5
SC
5
Sessa Capital
New York
$35.1M

Top Sellers

1
SCM
1
Suvretta Capital Management
New York
$0
2
Victory Capital Management
2
Victory Capital Management
Texas
$0
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$0
4
DM
4
Deerfield Management
New York
$0
5
CS
5
Credit Suisse
Switzerland
$38.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAM
101
Cresset Asset Management
Illinois
$326K +$134K +542 +70%
EGM
102
Engineers Gate Manager
New York
$316K +$160K +645 +102%
Walleye Trading
103
Walleye Trading
New York
$304K +$304K +1,230 New
EAM
104
Erste Asset Management
Austria
$285K – – –
Osaic Holdings
105
Osaic Holdings
Arizona
$277K +$43.2K +175 +18%
VEA
106
Virtus ETF Advisers
New York
$261K -$24K -97 -8%
SEI Investments
107
SEI Investments
Pennsylvania
$261K -$20.2K -85 -7%
SCA
108
Spearhead Capital Advisors
Florida
$252K +$18.3K +74 +8%
Ohio Public Employees Retirement System (OPERS)
109
Ohio Public Employees Retirement System (OPERS)
Ohio
$250K -$925K -3,737 -79%
AAI
110
Aequim Alternative Investments
California
$243K +$243K +983 New
II
111
Inspire Investing
Idaho
$242K +$242K +978 New
GAA
112
Green Alpha Advisors
Colorado
$240K +$65.5K +265 +38%
Fiera Capital (Canada)
113
Fiera Capital (Canada)
Quebec, Canada
$233K -$802 -5 -0.3%
TRCT
114
Tower Research Capital (TRC)
New York
$230K +$166K +671 +261%
CRC
115
Curi RMB Capital
Illinois
$224K -$156K -629 -41%
WM
116
WS Management
Florida
$214K – – –
B
117
Bailard
California
$214K +$26.7K +108 +14%
IBT
118
International Biotechnology Trust
United Kingdom
$210K – – –
Royal Bank of Canada
119
Royal Bank of Canada
Ontario, Canada
$208K -$8.68M -35,076 -98%
Teacher Retirement System of Texas
120
Teacher Retirement System of Texas
Texas
$207K +$41.9K +169 +25%
Capital Fund Management (CFM)
121
Capital Fund Management (CFM)
France
$207K -$269K -1,087 -57%
Mitsubishi UFJ Asset Management
122
Mitsubishi UFJ Asset Management
Japan
$206K +$11.9K +48 +6%
Wolverine Trading
123
Wolverine Trading
Illinois
$199K -$223K -904 -53%
AII
124
AGF Investments Inc
Ontario, Canada
$199K +$199K +803 New
WC
125
Woodstock Corp
Massachusetts
$197K -$247 -1 -0.1%
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5
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