BLUE

bluebird bio

Delisted

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

307 hedge funds and large institutions have $8.41B invested in bluebird bio in 2018 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 121 increasing their positions, 88 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
307
Holders Change
+4
Holders Change %
+1.32%
% of All Funds
7.04%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.09%
New
52
Increased
121
Reduced
88
Closed
47
Calls
$237M
Puts
$142M
Net Calls
+$95.2M
Net Calls Change
+$77.8M
Name Holding Trade Value Shares
Change
Shares
Change %
SFM
76
Sphera Funds Management
Israel
$11.4M +$11.4M +5,596 New
TCM
77
Tekla Capital Management
Massachusetts
$11.3M +$925K +455 +9%
Wells Fargo
78
Wells Fargo
California
$10.6M -$2.52M -1,241 -19%
Alyeska Investment Group
79
Alyeska Investment Group
Illinois
$10.3M +$10.3M +5,071 New
CS
80
Candriam SCA
Luxembourg
$10.3M +$4.49M +2,208 +77%
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$9.96M +$5.7M +2,805 +134%
LP
82
LMR Partners
United Kingdom
$9.93M +$9.93M +4,886 New
Royal Bank of Canada
83
Royal Bank of Canada
Ontario, Canada
$9.58M +$3.93M +1,932 +69%
BNP Paribas Asset Management
84
BNP Paribas Asset Management
France
$9.07M +$9.07M +4,462 New
FAM
85
Fred Alger Management
New York
$8.84M -$2.04M -1,003 -19%
SI
86
Sofinnova Investments
California
$8.69M +$8.69M +4,275 New
Group One Trading
87
Group One Trading
Illinois
$8.62M +$3.11M +1,529 +56%
UBS Group
88
UBS Group
Switzerland
$8.44M +$99.6K +49 +1%
RhumbLine Advisers
89
RhumbLine Advisers
Massachusetts
$8.41M +$272K +134 +3%
TAM
90
Tocqueville Asset Management
New York
$8.37M +$4.3M +2,114 +105%
TD Asset Management
91
TD Asset Management
Ontario, Canada
$7.99M +$580K +285 +8%
WBC
92
Westpac Banking Corp
Australia
$7.86M +$2.36M +1,159 +43%
RSCM
93
Rock Springs Capital Management
Maryland
$7.06M
Principal Financial Group
94
Principal Financial Group
Iowa
$6.96M -$4.31M -2,118 -38%
NIP
95
Nicholas Investment Partners
California
$6.7M +$1.67M +821 +33%
BCM
96
BlueCrest Capital Management
Jersey
$6.33M +$4.3M +2,113 +211%
AQR Capital Management
97
AQR Capital Management
Connecticut
$5.94M -$4.9M -2,411 -45%
GH
98
GAM Holding
Switzerland
$5.6M
VanEck Associates
99
VanEck Associates
New York
$5.51M +$573K +282 +12%
Jane Street
100
Jane Street
New York
$5.49M +$4.2M +2,065 +325%