BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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177 hedge funds and large institutions have $1.9B invested in bluebird bio in 2016 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 68 increasing their positions, 61 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
177
Holders Change
-10
Holders Change %
-5.35%
% of All Funds
4.73%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
23
Increased
68
Reduced
61
Closed
31
Calls
$22.4M
Puts
$24.8M
Net Calls
-$2.4M
Net Calls Change
+$11.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$89.9M
2
BFA
BlackRock Fund Advisors
California
$60M
3
State Street
State Street
Massachusetts
$73.6M
4
RI
RTW Investments
New York
$26.5M
5
DM
Deerfield Management
New York
$14.6M

Top Sellers

1
Capital World Investors
Capital World Investors
California
$40.6M
2
Goldman Sachs
Goldman Sachs
New York
$6.71M
3
TCIM
TIAA CREF Investment Management
New York
$6.55M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$5.63M
5
CCI
Columbus Circle Investors
$8.71M
Name Holding Trade Value Shares
Change 		Shares
Change %
CL
126
Croft-Leominster
Maryland
$259K – – –
EA
127
Emerald Acquisition
Washington
$255K +$255K +455 New
WJA
128
Williams Jones & Associates
New York
$253K -$215K -384 -46%
NPC
129
National Planning Corporation
California
$246K +$246K +343 New
AB
130
Amalgamated Bank
New York
$222K +$222K +308 New
Teacher Retirement System of Texas
131
Teacher Retirement System of Texas
Texas
$221K +$44.8K +80 +25%
WS
132
Wedbush Securities
California
$214K -$2.24K -4 -1%
ST
133
Spot Trading
Illinois
$184K +$8.39K +15 +5%
WA
134
Winfield Associates
Ohio
$152K +$561 +1 +0.4%
Canada Life
135
Canada Life
Manitoba, Canada
$142K – – –
CCMH
136
Cornerstone Capital Management Holdings
New York
$139K -$82.7K -147 -37%
QT
137
Quantbot Technologies
New York
$123K +$100K +179 +437%
AIM
138
Advantage Investment Management
Iowa
$119K +$12.3K +22 +12%
PAM
139
Panagora Asset Management
Massachusetts
$96K -$65.9K -118 -41%
Simplex Trading
140
Simplex Trading
Illinois
$83K -$744K -1,336 -90%
HCM
141
Highlander Capital Management
New Jersey
$65K – – –
JG
142
Jefferies Group
New York
$65K +$65K +115 New
BNP Paribas Financial Markets
143
BNP Paribas Financial Markets
France
$63.4K +$46K +82 +265%
CLOS
144
Compagnie Lombard Odier SCmA
Switzerland
$62K +$12.7K +23 +26%
Barclays
145
Barclays
United Kingdom
$60K -$169K -302 -74%
FO
146
FT Options
Illinois
$55K +$55K +97 New
SEI Investments
147
SEI Investments
Pennsylvania
$53K -$15.8K -28 -23%
PNC Financial Services Group
148
PNC Financial Services Group
Pennsylvania
$49K – – –
WEC
149
Winslow Evans & Crocker
Massachusetts
$43.3K – – –
ClearBridge Investments
150
ClearBridge Investments
New York
$42K +$8.4K +15 +25%
4 5
6
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