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

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$40.6M
2
Goldman Sachs
2
Goldman Sachs
New York
$6.71M
3
TCIM
3
TIAA CREF Investment Management
New York
$6.55M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$5.63M
5
CCI
5
Columbus Circle Investors
$8.71M
Name Holding Trade Value Shares
Change 		Shares
Change %
PCP
176
Proficio Capital Partners
Massachusetts
$1K – – –
QI
177
QS Investors
New York
$1K +$1K +1 New
Artisan Partners
178
Artisan Partners
Wisconsin
– -$4.03M -7,326 Closed
BNP Paribas Asset Management
179
BNP Paribas Asset Management
France
– -$2.64M -4,793 Closed
HCM
180
Highbridge Capital Management
New York
– -$1.63M -2,951 Closed
AQR Capital Management
181
AQR Capital Management
Connecticut
– -$1.6M -2,907 Closed
LCM
182
Laurion Capital Management
New York
– -$1.33M -2,409 Closed
CPIM
183
Columbia Partners Investment Management
Virginia
– -$1.27M -2,313 Closed
Citadel Advisors
184
Citadel Advisors
Florida
– -$1.18M -2,141 Closed
IHM
185
Iguana Healthcare Management
New York
– -$1.06M -1,930 Closed
State of Wisconsin Investment Board
186
State of Wisconsin Investment Board
Wisconsin
– -$1.06M -1,929 Closed
TI
187
Trexquant Investment
Connecticut
– -$893K -1,621 Closed
Squarepoint
188
Squarepoint
New York
– -$723K -1,312 Closed
Ohio Public Employees Retirement System (OPERS)
189
Ohio Public Employees Retirement System (OPERS)
Ohio
– -$553K -1,004 Closed
NIP
190
Nicholas Investment Partners
California
– -$513K -932 Closed
KA
191
KLCM Advisors
Wisconsin
– -$499K -906 Closed
Macquarie Group
192
Macquarie Group
Australia
– -$457K -831 Closed
Marshall Wace
193
Marshall Wace
United Kingdom
– -$441K -800 Closed
Neuberger Berman Group
194
Neuberger Berman Group
New York
– -$374K -679 Closed
FRM
195
Fox Run Management
Connecticut
– -$361K -656 Closed
URS
196
Utah Retirement Systems
Utah
– -$272K -494 Closed
QC
197
QCM Cayman
Texas
– -$256K -465 Closed
OAC
198
OMERS Administration Corp
Ontario, Canada
– -$255K -463 Closed
Nisa Investment Advisors
199
Nisa Investment Advisors
Missouri
– -$140K -255 Closed
SEC
200
Seven Eight Capital
New York
– -$108K -196 Closed
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