BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.17B invested in bluebird bio in 2017 Q2 according to their latest regulatory filings, with 50 funds opening new positions, 95 increasing their positions, 66 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
+31
Holders Change %
+14.76%
% of All Funds
6.02%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.1%
New
50
Increased
95
Reduced
66
Closed
19
Calls
$109M
Puts
$49M
Net Calls
+$59.7M
Net Calls Change
+$34.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$63.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$61.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$51.8M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$36.1M
5
CAM
Cormorant Asset Management
Massachusetts
+$28.9M

Top Sellers

1
Franklin Resources
Franklin Resources
California
-$50.4M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$25.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$21.1M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$16.6M
5
State Street
State Street
Massachusetts
-$16.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
SGAM
176
Smith Group Asset Management
Texas
$359K – – –
WC
177
Wexford Capital
Florida
$347K +$347K +255 New
Teacher Retirement System of Texas
178
Teacher Retirement System of Texas
Texas
$341K +$5.43K +4 +2%
AMCA
179
Arthur M. Cohen & Associates
Illinois
$338K +$338K +248 New
GA
180
Geneva Advisors
Illinois
$337K +$337K +247 New
BTS
181
BB&T Securities
Virginia
$318K +$318K +234 New
WEC
182
Winslow Evans & Crocker
Massachusetts
$305K – – –
ST
183
Spot Trading
Illinois
$300K +$300K +221 New
IA
184
IFP Advisors
Florida
$298K +$282K +207 +1,725%
WA
185
Winfield Associates
Ohio
$296K +$17.7K +13 +6%
TI
186
Trexquant Investment
Connecticut
$294K +$294K +216 New
NIMI
187
Natixis Investment Managers International
France
$290K +$290K +213 New
VEA
188
Virtus ETF Advisers
New York
$281K -$144K -106 -34%
BCP
189
Berkeley Capital Partners
Georgia
$276K -$48.9K -36 -15%
CSS
190
Cubist Systematic Strategies
Connecticut
$257K +$257K +189 New
KAM
191
Kazazian Asset Management
Florida
$252K -$73.6K -54 -23%
AIA
192
Affinity Investment Advisors
California
$246K +$246K +181 New
PAG
193
Private Advisor Group
New Jersey
$238K -$422K -346 -64%
PAM
194
Panagora Asset Management
Massachusetts
$234K – – –
CWG
195
C WorldWide Group
Denmark
$221K -$38.2K -28 -15%
RJFSA
196
Raymond James Financial Services Advisors
Florida
$211K +$211K +155 New
CCP
197
Clough Capital Partners
Massachusetts
$210K -$537K -394 -72%
FBC
198
Fairfield, Bush & Co
Connecticut
$210K +$210K +154 New
RJA
199
Raymond James & Associates
Florida
$207K -$49K -36 -19%
SG Americas Securities
200
SG Americas Securities
New York
$204K +$31.3K +23 +18%
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