BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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210 hedge funds and large institutions have $4.24B invested in bluebird bio in 2017 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
210
Holders Change
+11
Holders Change %
+5.53%
% of All Funds
5.24%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
37
Increased
56
Reduced
80
Closed
18
Calls
$60M
Puts
$35.1M
Net Calls
+$24.8M
Net Calls Change
+$18.6M

Top Buyers

1
BlackRock
BlackRock
New York
+$289M
2
Capital World Investors
Capital World Investors
California
+$43.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$25.2M
4
PC
PointState Capital
New York
+$15.3M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$13M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
2
DM
Deerfield Management
New York
-$17.7M
3
AG
Artal Group
Luxembourg
-$15.7M
4
FCM
Frontier Capital Management
Massachusetts
-$13.1M
5
Wells Fargo
Wells Fargo
California
-$11.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
PA
151
Perceptive Advisors
New York
$422K +$422K +359 New
AG
152
Aperio Group
California
$410K +$56.6K +48 +16%
Canada Life
153
Canada Life
Manitoba, Canada
$409K +$90.5K +77 +28%
WS
154
Wedbush Securities
California
$386K -$63.5K -54 -14%
NPC
155
National Planning Corporation
California
$385K – – –
VEA
156
Virtus ETF Advisers
New York
$369K +$35.4K +30 +11%
Prudential Financial
157
Prudential Financial
New Jersey
$339K -$318K -270 -48%
DCM
158
Dupont Capital Management
Delaware
$321K -$340K -289 -51%
SGAM
159
Smith Group Asset Management
Texas
$311K +$311K +264 New
AIP
160
Ameritas Investment Partners
Nebraska
$310K – – –
TSS
161
Two Sigma Securities
New York
$304K +$304K +258 New
Teacher Retirement System of Texas
162
Teacher Retirement System of Texas
Texas
$291K +$291K +247 New
KAM
163
Kazazian Asset Management
Florida
$282K -$228K -193 -45%
BCP
164
Berkeley Capital Partners
Georgia
$282K +$282K +239 New
WEC
165
Winslow Evans & Crocker
Massachusetts
$264K -$27.1K -23 -9%
FMT
166
First Mercantile Trust
Tennessee
$263K +$34K +29 +15%
PAM
167
Princeton Alpha Management
New Jersey
$255K -$70.8K -60 -22%
WA
168
Winfield Associates
Ohio
$242K – – –
SCM
169
Sterling Capital Management
North Carolina
$225K +$225K +191 New
CWG
170
C WorldWide Group
Denmark
$223K -$69.2K -59 -24%
RJA
171
Raymond James & Associates
Florida
$221K +$221K +188 New
CG
172
Cutler Group
California
$217K -$1.43M -1,216 -87%
FAAS
173
First Allied Advisory Services
California
$217K +$217K +30 New
NFA
174
Nuveen Fund Advisors
Illinois
$205K +$205K +174 New
PAM
175
Panagora Asset Management
Massachusetts
$202K – – –
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