BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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200 hedge funds and large institutions have $3.01B invested in bluebird bio in 2016 Q3 according to their latest regulatory filings, with 45 funds opening new positions, 64 increasing their positions, 60 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
200
Holders Change
+23
Holders Change %
+12.99%
% of All Funds
5.34%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.03%
New
45
Increased
64
Reduced
60
Closed
21
Calls
$51.9M
Puts
$58M
Net Calls
-$6.06M
Net Calls Change
-$3.65M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$228M
2
Victory Capital Management
Victory Capital Management
Texas
$44.4M
3
Millennium Management
Millennium Management
New York
$44.3M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
$37.2M
5
PC
Passport Capital
California
$19.6M

Top Sellers

1
O
OppenheimerFunds
New York
$53.4M
2
Capital Research Global Investors
Capital Research Global Investors
California
$271M
3
RI
RTW Investments
New York
$5.95M
4
TAM
Tiverton Asset Management
Delaware
$1.87M
5
GPP
Great Point Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Federated Hermes
126
Federated Hermes
Pennsylvania
$813K -$1.33M -1,511 -62%
KBC Group
127
KBC Group
Belgium
$811K – – –
CCM
128
Cadence Capital Management
Massachusetts
$715K +$715K +814 New
Squarepoint
129
Squarepoint
New York
$678K +$678K +772 New
EEG
130
E.E. Geduld
$664K – – –
TAM
131
Trillium Asset Management
Massachusetts
$572K +$572K +652 New
EMG
132
Ellington Management Group
Connecticut
$569K +$569K +648 New
HMS
133
Hanseatic Management Services
New Mexico
$558K +$558K +636 New
CWG
134
C WorldWide Group
Denmark
$542K +$109K +124 +25%
Legal & General Group
135
Legal & General Group
United Kingdom
$538K -$17.3K -20 -3%
HCM
136
Highbridge Capital Management
New York
$537K +$537K +611 New
CCMH
137
Cornerstone Capital Management Holdings
New York
$528K +$311K +355 +144%
Royal Bank of Canada
138
Royal Bank of Canada
Ontario, Canada
$503K +$443K +505 +732%
Public Employees Retirement Association of Colorado
139
Public Employees Retirement Association of Colorado
Colorado
$482K – – –
CGL
140
Clarius Group LLC
Washington
$480K -$85.1K -97 -15%
Prudential Financial
141
Prudential Financial
New Jersey
$456K +$456K +519 New
VEA
142
Virtus ETF Advisers
New York
$418K – – –
PAM
143
Princeton Alpha Management
New Jersey
$415K +$415K +473 New
DCM
144
DAFNA Capital Management
California
$407K -$407K -463 -50%
CL
145
Croft-Leominster
Maryland
$406K – – –
BF
146
BOK Financial
Oklahoma
$369K +$369K +420 New
Barclays
147
Barclays
United Kingdom
$338K +$244K +279 +261%
GI
148
Gradient Investments
Minnesota
$333K +$333K +379 New
WS
149
Wedbush Securities
California
$325K -$9.64K -11 -3%
Canada Life
150
Canada Life
Manitoba, Canada
$325K +$102K +117 +46%
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