BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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288 hedge funds and large institutions have $8.48B invested in bluebird bio in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 99 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
-19
Holders Change %
-6.19%
% of All Funds
6.59%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
37
Increased
108
Reduced
99
Closed
54
Calls
$177M
Puts
$151M
Net Calls
+$25.9M
Net Calls Change
-$69.3M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$311M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$207M
3
Capital World Investors
Capital World Investors
California
+$136M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$88.4M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$72.2M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$54M
2
Millennium Management
Millennium Management
New York
-$53.8M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.2M
4
MWNA
Marshall Wace North America
New York
-$29M
5
Citigroup
Citigroup
New York
-$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
BNP Paribas Financial Markets
126
BNP Paribas Financial Markets
France
$1.81M +$225K +119 +14%
VIA
127
Vident Investment Advisory
Georgia
$1.79M -$185K -98 -9%
AQR Capital Management
128
AQR Capital Management
Connecticut
$1.73M -$3.79M -2,006 -69%
TAM
129
Tiverton Asset Management
Delaware
$1.67M -$584K -309 -26%
BG
130
Bellevue Group
Switzerland
$1.66M -$219K -116 -12%
Mackenzie Financial
131
Mackenzie Financial
Ontario, Canada
$1.52M +$1.52M +801 New
Asset Management One
132
Asset Management One
Japan
$1.49M +$451K +240 +43%
URS
133
Utah Retirement Systems
Utah
$1.48M +$117K +62 +9%
RA
134
Royce & Associates
New York
$1.46M – – –
UR
135
USCA RIA
Texas
$1.36M +$193K +102 +17%
D.E. Shaw & Co
136
D.E. Shaw & Co
New York
$1.33M +$1.33M +705 New
Public Employees Retirement Association of Colorado
137
Public Employees Retirement Association of Colorado
Colorado
$1.33M +$20.8K +11 +2%
XK
138
Xact Kapitalforvaltning
Sweden
$1.26M +$189K +100 +18%
Barclays
139
Barclays
United Kingdom
$1.21M -$12.7M -6,686 -91%
AB
140
Amalgamated Bank
New York
$1.2M -$404K -214 -25%
BF
141
BOK Financial
Oklahoma
$1.19M -$1.97M -1,040 -62%
CA
142
Commerzbank Aktiengesellschaft
Germany
$1.16M – – –
SGH
143
Sivik Global Healthcare
Connecticut
$1.1M -$2.56M -1,351 -70%
EP
144
Elkfork Partners
Oregon
$1.09M -$382K -202 -26%
Neuberger Berman Group
145
Neuberger Berman Group
New York
$1.05M +$146K +77 +16%
LSA
146
L & S Advisors
California
$996K -$571K -302 -36%
RMCM
147
Reynders McVeigh Capital Management
Massachusetts
$993K – – –
AG
148
Aperio Group
California
$960K -$104K -55 -10%
RIL
149
Rothschild Investment LLC
Illinois
$955K – – –
CM
150
Caption Management
Oklahoma
$950K +$293K +155 +45%
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