BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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296 hedge funds and large institutions have $9.26B invested in bluebird bio in 2017 Q4 according to their latest regulatory filings, with 78 funds opening new positions, 96 increasing their positions, 97 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
296
Holders Change
+53
Holders Change %
+21.81%
% of All Funds
6.72%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
78
Increased
96
Reduced
97
Closed
24
Calls
$256M
Puts
$170M
Net Calls
+$86.9M
Net Calls Change
+$34M

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$113M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$93.1M
3
Two Sigma Advisers
Two Sigma Advisers
New York
+$79.7M
4
Capital Research Global Investors
Capital Research Global Investors
California
+$75.9M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$65.8M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$232M
2
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$53.9M
3
Wells Fargo
Wells Fargo
California
-$31.5M
4
State Street
State Street
Massachusetts
-$30M
5
UBS AM
UBS AM
Illinois
-$27.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
SEI Investments
176
SEI Investments
Pennsylvania
$1.15M +$1.1M +477 +2,385%
WC
177
Woodstock Corp
Massachusetts
$1.12M -$196K -85 -15%
UR
178
USCA RIA
Texas
$1.09M -$598K -259 -36%
SAM
179
Shell Asset Management
Netherlands
$1.01M +$1.01M +437 New
Canada Life
180
Canada Life
Manitoba, Canada
$983K – – –
LPL Financial
181
LPL Financial
California
$947K +$947K +411 New
Mirae Asset Global Investments
182
Mirae Asset Global Investments
South Korea
$883K -$134K -58 -13%
RJA
183
Raymond James & Associates
Florida
$855K +$187K +81 +28%
KAM
184
Kazazian Asset Management
Florida
$811K +$85.2K +37 +12%
XK
185
Xact Kapitalforvaltning
Sweden
$807K +$807K +350 New
LSA
186
L & S Advisors
California
$794K +$794K +344 New
Prudential Financial
187
Prudential Financial
New Jersey
$776K -$2.3K -1 -0.3%
AIP
188
Ameritas Investment Partners
Nebraska
$739K +$53.1K +23 +8%
CCP
189
Clough Capital Partners
Massachusetts
$734K -$192K -83 -21%
MA
190
MYDA Advisors
New York
$712K +$712K +309 New
BCM
191
Bayesian Capital Management
New York
$671K +$671K +291 New
Nuveen Asset Management
192
Nuveen Asset Management
Illinois
$611K -$4.61K -2 -0.7%
SGAM
193
Smith Group Asset Management
Texas
$609K – – –
WS
194
Wedbush Securities
California
$579K -$53.1K -23 -8%
WA
195
Winfield Associates
Ohio
$574K -$16.1K -7 -3%
BTS
196
BB&T Securities
Virginia
$557K +$9.21K +4 +2%
RJFSA
197
Raymond James Financial Services Advisors
Florida
$555K +$164K +71 +42%
LCG
198
Lisanti Capital Growth
New York
$554K +$159K +69 +40%
NIMI
199
Natixis Investment Managers International
France
$538K -$1.14M -495 -68%
AG
200
Advisor Group
Arizona
$510K +$18.5K +8 +4%
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