BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

262 hedge funds and large institutions have $2.73B invested in bluebird bio in 2020 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 86 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
262
Holders Change
-13
Holders Change %
-4.73%
% of All Funds
4.65%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
46
Increased
93
Reduced
86
Closed
57
Calls
$45.9M
Puts
$49.1M
Net Calls
-$3.22M
Net Calls Change
-$4.62M

Top Buyers

1
CS
Credit Suisse
Switzerland
+$36.6M
2
State Street
State Street
Massachusetts
+$24.6M
3
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$18.8M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$80.6M
2
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.6M
3
TCM
TimesSquare Capital Management
New York
-$26.7M
4
ACA
Anchor Capital Advisors
Massachusetts
-$21.4M
5
GGHC
Gilder Gagnon Howe & Co
New York
-$19.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
Marshall Wace
101
Marshall Wace
United Kingdom
$1.39M +$1.39M +2,486 New
DCM
102
DAFNA Capital Management
California
$1.31M – – –
Thrivent Financial for Lutherans
103
Thrivent Financial for Lutherans
Minnesota
$1.31M – – –
Vontobel Holding
104
Vontobel Holding
Switzerland
$1.3M +$1.3M +2,323 New
Balyasny Asset Management
105
Balyasny Asset Management
Illinois
$1.25M -$2.73M -4,872 -69%
EGM
106
Engineers Gate Manager
New York
$1.25M +$709K +1,265 +131%
UBS Group
107
UBS Group
Switzerland
$1.23M -$333K -595 -21%
MWNA
108
Marshall Wace North America
New York
$1.22M +$1.22M +2,185 New
ECG
109
EPIQ Capital Group
California
$1.22M -$1.11M -1,990 -48%
DekaBank Deutsche Girozentrale
110
DekaBank Deutsche Girozentrale
Germany
$1.17M -$56.9K -100 -5%
BJL
111
Brighton Jones LLC
Washington
$1.13M -$1.68K -3 -0.1%
BL
112
Bleichroeder LP
New York
$1.08M – – –
Treasurer of the State of North Carolina
113
Treasurer of the State of North Carolina
North Carolina
$1.05M +$2.8K +5 +0.3%
Baillie Gifford & Co
114
Baillie Gifford & Co
United Kingdom
$1.01M -$29.6M -52,785 -97%
FT
115
Fiduciary Trust
Massachusetts
$1M +$38.7K +69 +4%
VRS
116
Virginia Retirement Systems
Virginia
$991K +$312K +556 +46%
BCI
117
Brinker Capital Investments
Pennsylvania
$977K +$455K +811 +87%
VF
118
Virtu Financial
New York
$891K +$891K +1,590 New
TD Asset Management
119
TD Asset Management
Ontario, Canada
$871K +$106K +190 +14%
CRC
120
Curi RMB Capital
Illinois
$858K +$26.4K +47 +3%
TC
121
TwinBeech Capital
New York
$845K +$845K +1,508 New
ASRS
122
Arizona State Retirement System
Arizona
$831K -$14K -25 -2%
SW
123
SkyOak Wealth
Michigan
$825K +$825K +1,472 New
RJA
124
Raymond James & Associates
Florida
$818K -$275K -490 -25%
Voloridge Investment Management
125
Voloridge Investment Management
Florida
$802K +$469K +836 +141%
3 4
5
6 7