BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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83 hedge funds and large institutions have $411M invested in bluebird bio in 2014 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 39 increasing their positions, 17 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
83
Holders Change
+2
Holders Change %
+2.47%
% of All Funds
2.4%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
13
Increased
39
Reduced
17
Closed
9
Calls
$20K
Puts
$91K
Net Calls
-$71K
Net Calls Change
-$71K

Top Buyers

1
CCM
Camber Capital Management
Massachusetts
$16.1M
2
Capital Research Global Investors
Capital Research Global Investors
California
$67.3M
3
O
OrbiMed
New York
$6.57M
4
Millennium Management
Millennium Management
New York
$6.64M
5
QF
QVT Financial
New York
$4.48M

Top Sellers

1
TRV
Third Rock Ventures
Massachusetts
$55M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.06M
3
Ameriprise
Ameriprise
Minnesota
$2K
4
WMSA
Weiss Multi-Strategy Advisers
New York
$0
5
PC
PointState Capital
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
JRP
51
Jasper Ridge Partners
California
$428K – – –
WC
52
Woodstock Corp
Massachusetts
$395K – – –
Charles Schwab
53
Charles Schwab
California
$343K +$8.27K +28 +2%
TC
54
TFS Capital
Pennsylvania
$302K +$302K +1,024 New
California State Teachers Retirement System (CalSTRS)
55
California State Teachers Retirement System (CalSTRS)
California
$282K – – –
Swiss National Bank
56
Swiss National Bank
Switzerland
$275K +$177K +602 +181%
TAM
57
Tocqueville Asset Management
New York
$264K +$227K +772 +623%
PIM
58
Partner Investment Management
California
$260K +$49.1K +167 +23%
SKK
59
Shepherd Kaplan Krochuk
Massachusetts
$224K +$224K +760 New
TA
60
Teachers Advisors
New York
$214K – – –
MAA
61
Managed Account Advisors
New Jersey
$148K +$32.3K +110 +28%
Wells Fargo
62
Wells Fargo
California
$121K -$4.7K -16 -4%
NFA
63
Nationwide Fund Advisors
Ohio
$120K +$2.07K +7 +2%
AIG
64
American International Group
New York
$106K +$2.65K +9 +3%
Citigroup
65
Citigroup
New York
$102K -$12.2K -41 -11%
Barclays
66
Barclays
United Kingdom
$95K +$91.3K +318 +2,446%
Group One Trading
67
Group One Trading
Illinois
$51K +$51K +173 New
Fifth Third Bancorp
68
Fifth Third Bancorp
Ohio
$48K +$5.3K +18 +12%
SF
69
Synovus Financial
Georgia
$46K – – –
MCM
70
Mazama Capital Management
Oregon
$42K -$104K -352 -71%
BJ
71
BlackRock Japan
Japan
$25K +$25K +86 New
U
72
UBS
Switzerland
$20K -$46K -154 -70%
TRCT
73
Tower Research Capital (TRC)
New York
$15K -$11.1K -37 -43%
Teacher Retirement System of Texas
74
Teacher Retirement System of Texas
Texas
$13K +$6.65K +22 +105%
ClearBridge Investments
75
ClearBridge Investments
New York
$7K +$1.75K +6 +33%
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