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 %
BC
76
Birchview Capital
Vermont
$2.68M +$86.3K +154 +3%
Canada Pension Plan Investment Board
77
Canada Pension Plan Investment Board
Ontario, Canada
$2.62M +$2.09M +3,727 +396%
Tudor Investment Corp
78
Tudor Investment Corp
Connecticut
$2.62M +$1.52M +2,705 +138%
GIM
79
Granahan Investment Management
Massachusetts
$2.6M -$1.5M -2,681 -37%
BNP Paribas Financial Markets
80
BNP Paribas Financial Markets
France
$2.46M +$1.15M +2,060 +88%
Invesco
81
Invesco
Georgia
$2.4M +$914K +1,631 +62%
Simplex Trading
82
Simplex Trading
Illinois
$2.32M +$924K +1,649 +66%
Barclays
83
Barclays
United Kingdom
$1.93M -$1.78M -3,170 -48%
State of New Jersey Common Pension Fund D
84
State of New Jersey Common Pension Fund D
New Jersey
$1.92M -$103K -184 -5%
PAMU
85
Pictet Asset Management (UK)
United Kingdom
$1.83M -$134K -239 -7%
GC
86
Guggenheim Capital
Illinois
$1.77M -$109K -194 -6%
Rafferty Asset Management
87
Rafferty Asset Management
New York
$1.72M -$46.5K -83 -3%
DLPIC
88
Davide Leone & Partners Investment Company
United Kingdom
$1.7M +$1.7M +3,035 New
VIA
89
Vident Investment Advisory
Georgia
$1.66M +$808K +1,441 +95%
Ameriprise
90
Ameriprise
Minnesota
$1.65M -$354K -631 -18%
Legal & General Group
91
Legal & General Group
United Kingdom
$1.63M -$601K -1,073 -27%
UR
92
USCA RIA
Texas
$1.61M -$204K -364 -11%
Fidelity Investments
93
Fidelity Investments
Massachusetts
$1.6M -$327K -583 -17%
SEI Investments
94
SEI Investments
Pennsylvania
$1.58M +$153K +280 +11%
EAM
95
Erste Asset Management
Austria
$1.57M – – –
WC
96
Wexford Capital
Florida
$1.47M +$1.47M +2,623 New
AG
97
Aperio Group
California
$1.47M -$229K -408 -13%
BAM
98
Bullseye Asset Management
Colorado
$1.42M +$204K +364 +17%
Ohio Public Employees Retirement System (OPERS)
99
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.41M +$185K +330 +15%
AllianceBernstein
100
AllianceBernstein
Tennessee
$1.4M -$2.2M -3,918 -61%
2 3
4
5 6