BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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156 hedge funds and large institutions have $134M invested in bluebird bio in 2024 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 61 increasing their positions, 40 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
156
Holders Change
-30
Holders Change %
-16.13%
% of All Funds
2.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
61
Reduced
40
Closed
54
Calls
$1.48M
Puts
$2.49M
Net Calls
-$1.01M
Net Calls Change
-$1.18M

Top Buyers

1
BlackRock
BlackRock
New York
$19.4M
2
Ameriprise
Ameriprise
Minnesota
$8.18M
3
Millennium Management
Millennium Management
New York
$7.99M
4
Geode Capital Management
Geode Capital Management
Massachusetts
$5.53M
5
Vanguard Group
Vanguard Group
Pennsylvania
$13.4M

Top Sellers

1
State Street
State Street
Massachusetts
$4.39M
2
Pictet Asset Management
Pictet Asset Management
Switzerland
$0
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
$1.61M
4
Norges Bank
Norges Bank
Norway
$0
5
GCM
Ghisallo Capital Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
SSA
176
Schonfeld Strategic Advisors
New York
– -$152K -5,498 Closed
6CM
177
683 Capital Management
New York
– -$138K -5,000 Closed
American Century Companies
178
American Century Companies
Missouri
– -$138K -4,991 Closed
CSS
179
Cubist Systematic Strategies
Connecticut
– -$128K -4,654 Closed
Russell Investments Group
180
Russell Investments Group
United Kingdom
– -$117K -4,230 Closed
CS
181
Credit Suisse
Switzerland
– -$97.5K -3,532 Closed
EFM
182
E Fund Management
China
– -$96.7K -3,503 Closed
SRL
183
Scientech Research LLC
New Jersey
– -$68.8K -2,492 Closed
SPA
184
Sherbrooke Park Advisers
New York
– -$64.3K -2,330 Closed
Balyasny Asset Management
185
Balyasny Asset Management
Illinois
– -$47.1K -1,707 Closed
QC
186
Quent Capital
New York
– -$45.5K -1,650 Closed
DTL
187
Dynamic Technology Lab
Singapore
– -$37K -1,338 Closed
GCP
188
GSA Capital Partners
United Kingdom
– -$29K -1,063 Closed
GT
189
Glenmede Trust
Pennsylvania
– -$27.6K -1,000 Closed
Franklin Resources
190
Franklin Resources
California
– -$27.5K -997 Closed
Fiera Capital (Canada)
191
Fiera Capital (Canada)
Quebec, Canada
– -$26K -941 Closed
CW
192
Channel Wealth
California
– -$17.3K -625 Closed
GF
193
Gabelli Funds
New York
– -$13.8K -500 Closed
Public Employees Retirement Association of Colorado
194
Public Employees Retirement Association of Colorado
Colorado
– -$12K -436 Closed
BAM
195
Byrne Asset Management
New Jersey
– -$11.2K -400 Closed
QCG
196
Quadrant Capital Group
Ohio
– -$7.38K -267 Closed
IUHSA
197
Itau Unibanco Holding S.A.
Brazil
– -$6.72K -243 Closed
Federated Hermes
198
Federated Hermes
Pennsylvania
– -$6.66K -241 Closed
Allspring Global Investments
199
Allspring Global Investments
North Carolina
– -$3.27K -118 Closed
S
200
SignatureFD
Georgia
– -$2.71K -98 Closed
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