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 %
Manulife (Manufacturers Life Insurance)
76
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$129K +$5.96K +72 +5%
WG
77
Winton Group
United Kingdom
$128K +$128K +1,541 New
California State Teachers Retirement System (CalSTRS)
78
California State Teachers Retirement System (CalSTRS)
California
$127K -$240K -2,896 -65%
ACM
79
Aquatic Capital Management
Illinois
$123K +$114K +1,380 +1,314%
SG Americas Securities
80
SG Americas Securities
New York
$117K +$66.8K +807 +133%
DTL
81
Dynamic Technology Lab
Singapore
$116K -$16.9K -204 -13%
MAM
82
Martingale Asset Management
Massachusetts
$116K – – –
BJL
83
Brighton Jones LLC
Washington
$112K -$579 -7 -0.5%
Squarepoint
84
Squarepoint
New York
$111K +$111K +1,346 New
TRCT
85
Tower Research Capital (TRC)
New York
$110K +$60.3K +725 +121%
GF
86
Gabelli Funds
New York
$108K -$62.3K -750 -37%
DA
87
Denali Advisors
California
$106K +$64K +770 +152%
IA
88
IFP Advisors
Florida
$100K – – –
Russell Investments Group
89
Russell Investments Group
United Kingdom
$96K -$195K -2,376 -67%
Daiwa Securities Group
90
Daiwa Securities Group
Japan
$93K +$92K +1,111 +9,258%
Osaic Holdings
91
Osaic Holdings
Arizona
$89K -$1.25K -15 -1%
T. Rowe Price Associates
92
T. Rowe Price Associates
Maryland
$88K +$2.16K +26 +3%
Fiera Capital (Canada)
93
Fiera Capital (Canada)
Quebec, Canada
$78K – – –
Principal Financial Group
94
Principal Financial Group
Iowa
$76K +$16.5K +199 +28%
CA
95
Cetera Advisors
Colorado
$64K +$64K +775 New
SSA
96
Schonfeld Strategic Advisors
New York
$61K -$788K -9,500 -93%
PHK
97
Point72 Hong Kong
Hong Kong
$60K +$4.97K +60 +9%
CG
98
Cutler Group
California
$60K +$60K +734 New
ProShare Advisors
99
ProShare Advisors
Maryland
$56K -$26K -316 -32%
PCM
100
Penserra Capital Management
California
$56K +$11K +135 +25%
2 3
4
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