BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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123 hedge funds and large institutions have $845M invested in bluebird bio in 2014 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 54 increasing their positions, 20 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
123
Holders Change
+19
Holders Change %
+18.27%
% of All Funds
3.57%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.09%
New
39
Increased
54
Reduced
20
Closed
20
Calls
$19M
Puts
$6.3M
Net Calls
+$12.7M
Net Calls Change
+$8.9M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$38.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$154M
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$126M
4
State Street
4
State Street
Massachusetts
$26.6M
5
BIT
5
BlackRock Institutional Trust
California
$21M

Top Sellers

1
TRV
1
Third Rock Ventures
Massachusetts
$43.6M
2
CCM
2
Camber Capital Management
Massachusetts
$0
3
OIM
3
Oracle Investment Management
Connecticut
$0
4
PC
4
PointState Capital
New York
$4.66M
5
Goldman Sachs
5
Goldman Sachs
New York
$9.13M
Name Holding Trade Value Shares
Change 		Shares
Change %
Jane Street
76
Jane Street
New York
$707K -$269K -580 -28%
WC
77
Woodstock Corp
Massachusetts
$704K +$79.5K +171 +13%
CCI
78
Columbus Circle Investors
$688K +$688K +1,481 New
Susquehanna International Group
79
Susquehanna International Group
Pennsylvania
$632K +$131K +281 +26%
MLICM
80
Metropolitan Life Insurance Company (MetLife)
New York
$619K +$84.1K +181 +16%
RhumbLine Advisers
81
RhumbLine Advisers
Massachusetts
$605K +$28.8K +62 +5%
NFA
82
Nationwide Fund Advisors
Ohio
$599K +$75.2K +162 +14%
NEPWA
83
New England Private Wealth Advisors
Massachusetts
$588K +$588K +1,264 New
SCM
84
Suffolk Capital Management
New York
$578K +$578K +1,243 New
MCM
85
Mazama Capital Management
Oregon
$539K +$162K +348 +43%
JRP
86
Jasper Ridge Partners
California
$512K +$512K +1,101 New
AIG
87
American International Group
New York
$508K +$60.4K +130 +13%
GCP
88
GSA Capital Partners
United Kingdom
$474K +$474K +1,019 New
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$464K +$217K +467 +88%
TAM
90
Tocqueville Asset Management
New York
$449K +$161K +347 +56%
AMCA
91
Arthur M. Cohen & Associates
Illinois
$441K +$441K +248 New
COPPSERS
92
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$401K +$401K +862 New
EEG
93
E.E. Geduld
$393K +$393K +846 New
VOYA Investment Management
94
VOYA Investment Management
Georgia
$390K – – –
Bank of Montreal
95
Bank of Montreal
Ontario, Canada
$315K +$100K +216 +47%
Connor, Clark & Lunn Investment Management (CC&L)
96
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$215K +$215K +463 New
GGHC
97
Gilder Gagnon Howe & Co
New York
$151K -$6.06K -13 -4%
Wells Fargo
98
Wells Fargo
California
$146K -$48.5K -104 -25%
Barclays
99
Barclays
United Kingdom
$145K -$73K -161 -33%
MAA
100
Managed Account Advisors
New Jersey
$122K -$3.71K -8 -3%
2 3
4
5 6