BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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81 hedge funds and large institutions have $378M invested in bluebird bio in 2013 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 32 increasing their positions, 16 reducing their positions, and 12 closing their positions.

Holders
81
Holders Change
+14
Holders Change %
+20.9%
% of All Funds
2.35%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.06%
New
26
Increased
32
Reduced
16
Closed
12
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$74.8M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$54.8M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$10.1M
4
BFA
4
BlackRock Fund Advisors
California
$9.68M
5
FAM
5
Fred Alger Management
New York
$4.98M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
Ameriprise
2
Ameriprise
Minnesota
$4.22M
3
PC
3
PointState Capital
New York
$2.1M
4
QF
4
QVT Financial
New York
$0
5
PAM
5
Panagora Asset Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
SCM
26
Sigma Capital Management
Connecticut
$2.07M 98,437 +98,437 New
Northern Trust
27
Northern Trust
Illinois
$2.02M 96,108 +59,795 +165%
SFM
28
Sphera Funds Management
Israel
$1.94M 92,435 +92,435 New
HLA
29
Hamilton Lane Advisors
Pennsylvania
$1.86M 88,628 +88,628 New
State Street
30
State Street
Massachusetts
$1.58M 75,468 +18,631 +33%
BIT
31
BlackRock Institutional Trust
California
$1.44M 68,787 +5,002 +8%
Millennium Management
32
Millennium Management
New York
$1.33M 63,268 -1,732 -3%
HP
33
Harbourvest Partners
Massachusetts
$1.24M 59,264 +59,264 New
TRSOTSOK
34
Teachers Retirement System of the State of Kentucky
Kentucky
$1.15M 54,800 – –
California Public Employees Retirement System
35
California Public Employees Retirement System
California
$1.09M 51,028 +51,028 New
Principal Financial Group
36
Principal Financial Group
Iowa
$1.07M 50,900 +900 +2%
Geode Capital Management
37
Geode Capital Management
Massachusetts
$945K 45,063 +8,618 +24%
BlackRock
38
BlackRock
New York
$779K 37,148 +37,000 +25,000%
BG
39
BlackRock Group
United Kingdom
$768K 36,600 -582 -2%
Goldman Sachs
40
Goldman Sachs
New York
$758K 36,149 +6,965 +24%
GACM
41
Green Arrow Capital Management
New York
$629K 30,000 +30,000 New
Bank of New York Mellon
42
Bank of New York Mellon
New York
$586K 27,942 +10,488 +60%
LI
43
LMCG Investments
Massachusetts
$585K 27,861 +27,861 New
EAM
44
Eventide Asset Management
Massachusetts
$539K 25,700 +25,700 New
Bank of America
45
Bank of America
North Carolina
$501K 23,926 -11,001 -31%
TCIM
46
TIAA CREF Investment Management
New York
$499K 23,801 +7,300 +44%
Alyeska Investment Group
47
Alyeska Investment Group
Illinois
$486K 23,152 -16,848 -42%
PA
48
Perceptive Advisors
New York
$420K 20,000 +20,000 New
BIM
49
BlackRock Investment Management
Delaware
$395K 18,844 +52 +0.3%
JRP
50
Jasper Ridge Partners
California
$394K 18,800 +18,800 New
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