BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
+7
Holders Change %
+2.36%
% of All Funds
6.95%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
93
Reduced
113
Closed
44
Calls
$185M
Puts
$168M
Net Calls
+$17.5M
Net Calls Change
-$69.5M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$174M
2
Goldman Sachs
Goldman Sachs
New York
+$64.5M
3
Capital World Investors
Capital World Investors
California
+$56.9M
4
CGT
Capital Guardian Trust
California
+$49.9M
5
First Trust Advisors
First Trust Advisors
Illinois
+$46.7M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$52.9M
2
Franklin Resources
Franklin Resources
California
-$52.1M
3
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$51M
4
MWNA
Marshall Wace North America
New York
-$47.3M
5
ACH
ArrowMark Colorado Holdings
Colorado
-$39.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
SAM
176
Shell Asset Management
Netherlands
$967K – – –
SEI Investments
177
SEI Investments
Pennsylvania
$963K -$137K -62 -12%
RIL
178
Rothschild Investment LLC
Illinois
$953K -$957K -433 -50%
Canada Life
179
Canada Life
Manitoba, Canada
$946K – – –
FCM
180
Flinton Capital Management
Pennsylvania
$929K -$272K -123 -23%
LPL Financial
181
LPL Financial
California
$888K -$22.1K -10 -2%
ARTA
182
A.R.T. Advisors
New York
$870K -$6.17M -2,794 -88%
QF
183
QVT Financial
New York
$858K -$327K -148 -28%
Point72 Asset Management
184
Point72 Asset Management
Connecticut
$854K -$11.2M -5,072 -93%
HCMT
185
Highland Capital Management (Texas)
Texas
$820K -$2.34M -1,057 -74%
Neuberger Berman Group
186
Neuberger Berman Group
New York
$808K -$17.4M -7,846 -96%
LSA
187
L & S Advisors
California
$799K +$37.6K +17 +5%
KAM
188
Kazazian Asset Management
Florida
$778K – – –
Prudential Financial
189
Prudential Financial
New Jersey
$761K +$15.5K +7 +2%
VEA
190
Virtus ETF Advisers
New York
$709K +$378K +171 +114%
AIP
191
Ameritas Investment Partners
Nebraska
$708K – – –
US Bancorp
192
US Bancorp
Minnesota
$689K +$685K +310 +15,500%
RJA
193
Raymond James & Associates
Florida
$683K -$137K -62 -17%
DBIA
194
Dumont & Blake Investment Advisors
New Jersey
$683K +$683K +309 New
Zurich Cantonal Bank
195
Zurich Cantonal Bank
Switzerland
$638K +$199K +90 +45%
WA
196
Winfield Associates
Ohio
$618K +$66.5K +30 +12%
Mirae Asset Global Investments
197
Mirae Asset Global Investments
South Korea
$612K -$234K -106 -28%
SG Americas Securities
198
SG Americas Securities
New York
$582K +$582K +263 New
WEC
199
Winslow Evans & Crocker
Massachusetts
$581K +$324K +146 +126%
MF
200
Magnetar Financial
Illinois
$564K +$564K +255 New
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