BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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288 hedge funds and large institutions have $8.48B invested in bluebird bio in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 99 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
-19
Holders Change %
-6.19%
% of All Funds
6.59%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
37
Increased
108
Reduced
99
Closed
54
Calls
$177M
Puts
$151M
Net Calls
+$25.9M
Net Calls Change
-$69.3M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$311M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$207M
3
Capital World Investors
Capital World Investors
California
+$136M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$88.4M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$72.2M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$54M
2
Millennium Management
Millennium Management
New York
-$53.8M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.2M
4
MWNA
Marshall Wace North America
New York
-$29M
5
Citigroup
Citigroup
New York
-$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
PAM
201
Panagora Asset Management
Massachusetts
$325K – – –
MCM
202
McKinley Capital Management
Alaska
$313K -$7.54K -4 -2%
B
203
Bailard
California
$292K – – –
Nomura Asset Management
204
Nomura Asset Management
Japan
$292K – – –
FBC
205
Fairfield, Bush & Co
Connecticut
$292K – – –
HCMT
206
Highland Capital Management (Texas)
Texas
$292K – – –
WS
207
Wedbush Securities
California
$285K -$7.55K -4 -3%
OPPM
208
Opus Point Partners Management
New York
$284K +$45.4K +24 +19%
William Blair & Company
209
William Blair & Company
Illinois
$272K +$272K +144 New
QSS
210
Quantitative Systematic Strategies
Florida
$271K +$271K +143 New
IA
211
IFP Advisors
Florida
$270K -$41.5K -22 -13%
BB
212
Bell Bank
North Dakota
$263K +$263K +139 New
CIBC Asset Management
213
CIBC Asset Management
Ontario, Canada
$260K – – –
MML Investors Services
214
MML Investors Services
Massachusetts
$258K +$258K +136 New
WAM
215
World Asset Management
Michigan
$257K +$20.8K +11 +9%
HighTower Advisors
216
HighTower Advisors
Illinois
$256K +$41.7K +22 +19%
SPIA
217
Steward Partners Investment Advisory
New York
$247K -$3.77K -2 -2%
BIA
218
Biondo Investment Advisors
Pennsylvania
$247K +$7.54K +4 +3%
Pacer Advisors
219
Pacer Advisors
Pennsylvania
$244K +$244K +129 New
RJFSA
220
Raymond James Financial Services Advisors
Florida
$242K -$87K -46 -26%
Comerica Bank
221
Comerica Bank
Texas
$240K +$13.8K +9 +6%
Cambridge Investment Research Advisors
222
Cambridge Investment Research Advisors
Iowa
$239K +$239K +127 New
OI
223
Oakbrook Investments
Illinois
$234K +$234K +124 New
HCM
224
Highlander Capital Management
New Jersey
$219K – – –
JPMPWA
225
J.P. Morgan Private Wealth Advisors
California
$217K – – –
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