BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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151 hedge funds and large institutions have $228M invested in bluebird bio in 2022 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 54 increasing their positions, 41 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
151
Holders Change
-23
Holders Change %
-13.22%
% of All Funds
2.55%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
26
Increased
54
Reduced
41
Closed
45
Calls
$1.84M
Puts
$4.53M
Net Calls
-$2.69M
Net Calls Change
-$1.56M

Top Buyers

1
TCM
1
Tang Capital Management
California
$24.5M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$11.6M
3
Millennium Management
3
Millennium Management
New York
$10.3M
4
Citadel Advisors
4
Citadel Advisors
Florida
$4.13M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$3.38M

Top Sellers

1
State Street
1
State Street
Massachusetts
$7.56M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$14.5M
3
Morgan Stanley
3
Morgan Stanley
New York
$2.69M
4
UBS Group
4
UBS Group
Switzerland
$12K
5
Rafferty Asset Management
5
Rafferty Asset Management
New York
$1.09M
Name Holding Trade Value Shares
Change 		Shares
Change %
CSS
51
Cubist Systematic Strategies
Connecticut
$396K -$104K -1,252 -21%
HWAM
52
Hennion & Walsh Asset Management
New Jersey
$394K +$20K +242 +5%
Connor, Clark & Lunn Investment Management (CC&L)
53
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$393K +$176K +2,125 +81%
Balyasny Asset Management
54
Balyasny Asset Management
Illinois
$377K +$377K +4,551 New
PM
55
Parametrica Management
Hong Kong
$374K +$374K +4,505 New
BC
56
BIT Capital
Germany
$328K +$328K +3,578 New
VF
57
Virtu Financial
New York
$291K +$291K +3,516 New
Bank of America
58
Bank of America
North Carolina
$284K -$2.44M -29,426 -90%
Wells Fargo
59
Wells Fargo
California
$251K +$112K +1,354 +81%
QOP
60
Quinn Opportunity Partners
Virginia
$246K -$336K -4,065 -58%
VOYA Investment Management
61
VOYA Investment Management
Georgia
$243K +$8.44K +102 +4%
Group One Trading
62
Group One Trading
Illinois
$242K +$100K +1,211 +71%
QT
63
Quantbot Technologies
New York
$212K +$192K +2,330 +971%
Ensign Peak Advisors
64
Ensign Peak Advisors
Utah
$211K +$90K +1,085 +74%
II
65
Inspire Investing
Idaho
$209K +$7.37K +89 +4%
New York State Common Retirement Fund
66
New York State Common Retirement Fund
New York
$184K -$496 -6 -0.3%
CG
67
Colony Group
Massachusetts
$171K +$29.1K +352 +21%
CC
68
Centiva Capital
New York
$166K +$166K +2,005 New
MIM
69
MetLife Investment Management
New Jersey
$157K +$95K +1,147 +152%
Norges Bank
70
Norges Bank
Norway
$155K – – –
KSCM
71
Kamunting Street Capital Management
Florida
$145K +$145K +1,750 New
AIG
72
American International Group
New York
$139K -$249 -3 -0.2%
RJFSA
73
Raymond James Financial Services Advisors
Florida
$139K +$139K +1,683 New
Deutsche Bank
74
Deutsche Bank
Germany
$138K -$36.7K -443 -21%
State Board of Administration of Florida Retirement System
75
State Board of Administration of Florida Retirement System
Florida
$135K – – –
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3
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