BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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200 hedge funds and large institutions have $3.01B invested in bluebird bio in 2016 Q3 according to their latest regulatory filings, with 45 funds opening new positions, 64 increasing their positions, 60 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
200
Holders Change
+23
Holders Change %
+12.99%
% of All Funds
5.34%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.03%
New
45
Increased
64
Reduced
60
Closed
21
Calls
$51.9M
Puts
$58M
Net Calls
-$6.06M
Net Calls Change
-$3.65M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$228M
2
Victory Capital Management
2
Victory Capital Management
Texas
$44.4M
3
Millennium Management
3
Millennium Management
New York
$44.3M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$37.2M
5
PC
5
Passport Capital
California
$19.6M

Top Sellers

1
O
1
OppenheimerFunds
New York
$53.4M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$271M
3
RI
3
RTW Investments
New York
$5.95M
4
TAM
4
Tiverton Asset Management
Delaware
$1.87M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Tudor Investment Corp
151
Tudor Investment Corp
Connecticut
$306K -$380K -432 -55%
SO
152
STRS Ohio
Ohio
$284K +$284K +324 New
Capital Fund Management (CFM)
153
Capital Fund Management (CFM)
France
$280K -$181K -206 -39%
Teacher Retirement System of Texas
154
Teacher Retirement System of Texas
Texas
$274K -$72.9K -83 -21%
AB
155
Amalgamated Bank
New York
$272K +$880 +1 +0.3%
PAG
156
Private Advisor Group
New Jersey
$265K +$265K +295 New
BCP
157
Berkeley Capital Partners
Georgia
$247K +$247K +282 New
AG
158
Aperio Group
California
$243K +$243K +276 New
WA
159
Winfield Associates
Ohio
$238K – – –
GCP
160
GSA Capital Partners
United Kingdom
$233K +$233K +265 New
AIP
161
Ameritas Investment Partners
Nebraska
$217K +$217K +247 New
BNP Paribas Financial Markets
162
BNP Paribas Financial Markets
France
$209K +$110K +125 +111%
VKH
163
Virtu KCG Holdings
New York
$204K +$204K +232 New
AG
164
Advisor Group
Arizona
$188K +$156K +178 +481%
WEC
165
Winslow Evans & Crocker
Massachusetts
$183K +$115K +131 +170%
SEI Investments
166
SEI Investments
Pennsylvania
$170K +$87.6K +100 +106%
AIM
167
Advantage Investment Management
Iowa
$165K -$21.1K -24 -11%
Simplex Trading
168
Simplex Trading
Illinois
$155K +$24.5K +28 +19%
FMT
169
First Mercantile Trust
Tennessee
$129K +$129K +147 New
HCM
170
Highlander Capital Management
New Jersey
$102K – – –
PNC Financial Services Group
171
PNC Financial Services Group
Pennsylvania
$88K +$9.68K +11 +12%
US Bancorp
172
US Bancorp
Minnesota
$79K +$79K +90 New
CLOS
173
Compagnie Lombard Odier SCmA
Switzerland
$78K -$20.2K -23 -21%
ClearBridge Investments
174
ClearBridge Investments
New York
$66K – – –
DADC
175
D.A. Davidson & Co
Montana
$61K – – –
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