BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
+7
Holders Change %
+2.36%
% of All Funds
6.95%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
93
Reduced
113
Closed
44
Calls
$185M
Puts
$168M
Net Calls
+$17.5M
Net Calls Change
-$69.5M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$174M
2
Goldman Sachs
Goldman Sachs
New York
+$64.5M
3
Capital World Investors
Capital World Investors
California
+$56.9M
4
CGT
Capital Guardian Trust
California
+$49.9M
5
First Trust Advisors
First Trust Advisors
Illinois
+$46.7M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$52.9M
2
Franklin Resources
Franklin Resources
California
-$52.1M
3
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$51M
4
MWNA
Marshall Wace North America
New York
-$47.3M
5
ACH
ArrowMark Colorado Holdings
Colorado
-$39.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
AGM
201
Alpine Global Management
New York
$534K +$534K +242 New
ZCA
202
Zeke Capital Advisors
Pennsylvania
$524K +$81.8K +37 +19%
AMCA
203
Arthur M. Cohen & Associates
Illinois
$519K – – –
MS
204
Maven Securities
Jersey
$512K +$512K +232 New
RJFSA
205
Raymond James Financial Services Advisors
Florida
$503K -$31K -14 -6%
AG
206
Advisor Group
Arizona
$499K +$8.87K +4 +2%
VF
207
Virtu Financial
New York
$470K +$94.9K +43 +25%
AIA
208
Affinity Investment Advisors
California
$441K -$31K -14 -7%
WG
209
Winton Group
United Kingdom
$429K +$429K +194 New
NIT
210
NumerixS Investment Technologies
British Columbia, Canada
$413K +$413K +185 New
MCM
211
McKinley Capital Management
Alaska
$404K -$1.18M -533 -74%
HMS
212
Hanseatic Management Services
New Mexico
$402K +$4.42K +2 +1%
WS
213
Wedbush Securities
California
$393K -$161K -73 -29%
PAG
214
Private Advisor Group
New Jersey
$393K -$22.1K -10 -5%
SGAM
215
Smith Group Asset Management
Texas
$381K -$204K -92 -35%
CWG
216
C WorldWide Group
Denmark
$358K -$11K -5 -3%
B
217
Bailard
California
$342K -$86.6K -39 -20%
FBC
218
Fairfield, Bush & Co
Connecticut
$342K – – –
BCP
219
Berkeley Capital Partners
Georgia
$339K -$44K -20 -11%
Commonwealth Equity Services
220
Commonwealth Equity Services
Massachusetts
$330K +$64.2K +29 +24%
IA
221
IFP Advisors
Florida
$326K – – –
PIM
222
Partner Investment Management
California
$298K -$37.5K -17 -11%
CIM
223
CIM Investment Management
Pennsylvania
$298K +$298K +135 New
Comerica Bank
224
Comerica Bank
Texas
$295K -$11.1K -5 -4%
SPIA
225
Steward Partners Investment Advisory
New York
$293K – – –
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