BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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169 hedge funds and large institutions have $2.74B invested in bluebird bio in 2014 Q4 according to their latest regulatory filings, with 59 funds opening new positions, 53 increasing their positions, 42 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
169
Holders Change
+46
Holders Change %
+37.4%
% of All Funds
4.51%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.19%
New
59
Increased
53
Reduced
42
Closed
11
Calls
$43.4M
Puts
$14.5M
Net Calls
+$28.8M
Net Calls Change
+$16.1M

Top Buyers

1
Capital World Investors
Capital World Investors
California
$75M
2
O
OppenheimerFunds
New York
$69M
3
FCM
Frontier Capital Management
Massachusetts
$43.8M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$139M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$433M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$4.08M
2
DM
Deerfield Management
New York
$78M
3
RCM
RA Capital Management
Massachusetts
$46.4M
4
QF
QVT Financial
New York
$14.9M
5
State Street
State Street
Massachusetts
$49.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Point72 Asset Management
76
Point72 Asset Management
Connecticut
$4.08M -$50.5M -42,491 -93%
RFC
77
Russell Frank Company
Washington
$3.94M +$1.69M +1,409 +75%
Bank of America
78
Bank of America
North Carolina
$3.78M -$903K -760 -19%
California State Teachers Retirement System (CalSTRS)
79
California State Teachers Retirement System (CalSTRS)
California
$3.72M +$34.5K +29 +0.9%
TA
80
Teachers Advisors
New York
$3.59M +$331K +279 +10%
Susquehanna International Group
81
Susquehanna International Group
Pennsylvania
$3.54M +$1.93M +1,622 +119%
SAM
82
Senzar Asset Management
New York
$3.46M +$3.46M +2,910 New
Morgan Stanley
83
Morgan Stanley
New York
$3.46M -$6.06M -5,097 -64%
TD Asset Management
84
TD Asset Management
Ontario, Canada
$3.26M +$1.3M +1,097 +67%
AllianceBernstein
85
AllianceBernstein
Tennessee
$3.23M +$504K +424 +18%
California Public Employees Retirement System
86
California Public Employees Retirement System
California
$3.21M -$927K -735 -22%
Swiss National Bank
87
Swiss National Bank
Switzerland
$2.82M +$890K +749 +46%
SCM
88
Suffolk Capital Management
New York
$2.8M +$1.32M +1,110 +89%
WMSA
89
Weiss Multi-Strategy Advisers
New York
$2.75M -$12.8M -10,802 -82%
GTC
90
Ghost Tree Capital
New York
$2.75M -$459K -386 -14%
CWM
91
Cabot Wealth Management
Massachusetts
$2.68M +$2.68M +2,256 New
OA
92
Omega Advisors
New York
$2.29M -$1.25M -1,050 -35%
RSCM
93
Rock Springs Capital Management
Maryland
$2.29M +$2.29M +1,930 New
ACA
94
Apis Capital Advisors
New York
$2.25M +$2.25M +1,891 New
ARTA
95
A.R.T. Advisors
New York
$2.24M +$2.24M +1,887 New
ProShare Advisors
96
ProShare Advisors
Maryland
$2.18M +$35.6K +30 +2%
D.E. Shaw & Co
97
D.E. Shaw & Co
New York
$2.06M +$2.06M +1,731 New
GCP
98
GSA Capital Partners
United Kingdom
$1.88M +$670K +564 +55%
BJL
99
Brighton Jones LLC
Washington
$1.83M -$1.47M -1,235 -44%
NIP
100
Nicholas Investment Partners
California
$1.81M +$1.81M +1,523 New
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