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 %
Jane Street
151
Jane Street
New York
$1.41M -$1.87M -844 -57%
CA
152
Commerzbank Aktiengesellschaft
Germany
$1.38M -$22.1K -10 -2%
QI
153
QS Investors
New York
$1.37M +$1.17M +527 +567%
Federated Hermes
154
Federated Hermes
Pennsylvania
$1.37M -$4.14M -1,871 -75%
DCM
155
Dupont Capital Management
Delaware
$1.3M -$466K -211 -26%
MCIM
156
Meadow Creek Investment Management
Georgia
$1.28M -$376K -170 -23%
CEP
157
Chicago Equity Partners
Illinois
$1.28M -$46.4K -21 -4%
CI
158
Capital International
California
$1.26M +$1.26M +571 New
Twin Tree Management
159
Twin Tree Management
Texas
$1.24M +$1.03M +468 +503%
Public Employees Retirement Association of Colorado
160
Public Employees Retirement Association of Colorado
Colorado
$1.22M – – –
GAM
161
Gotham Asset Management
New York
$1.2M -$6.63K -3 -0.5%
Verition Fund Management
162
Verition Fund Management
Connecticut
$1.16M +$1.16M +526 New
CG
163
Cutler Group
California
$1.15M -$982K -444 -46%
UR
164
USCA RIA
Texas
$1.15M +$108K +49 +10%
CCP
165
Clough Capital Partners
Massachusetts
$1.15M +$444K +201 +63%
AG
166
Aperio Group
California
$1.14M +$26.6K +12 +2%
RMCM
167
Reynders McVeigh Capital Management
Massachusetts
$1.12M +$2.21K +1 +0.2%
XK
168
Xact Kapitalforvaltning
Sweden
$1.12M +$341K +154 +44%
AB
169
Amalgamated Bank
New York
$1.11M -$19.9K -9 -2%
SB
170
Suntrust Banks
Georgia
$1.09M +$1.09M +490 New
D.E. Shaw & Co
171
D.E. Shaw & Co
New York
$1.08M -$18.1M -8,165 -94%
WC
172
Woodstock Corp
Massachusetts
$1.07M – – –
Asset Management One
173
Asset Management One
Japan
$1.05M +$1.05M +475 New
Nomura Asset Management
174
Nomura Asset Management
Japan
$1.05M +$707K +320 +208%
NIMI
175
Natixis Investment Managers International
France
$1M +$485K +219 +94%
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