BLUE

bluebird bio

Delisted

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

307 hedge funds and large institutions have $8.41B invested in bluebird bio in 2018 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 121 increasing their positions, 88 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
307
Holders Change
+4
Holders Change %
+1.32%
% of All Funds
7.04%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.09%
New
52
Increased
121
Reduced
88
Closed
47
Calls
$237M
Puts
$142M
Net Calls
+$95.2M
Net Calls Change
+$77.8M
Name Holding Trade Value Shares
Change
Shares
Change %
LSA
151
L & S Advisors
California
$1.68M +$951K +468 +130%
Teacher Retirement System of Texas
152
Teacher Retirement System of Texas
Texas
$1.59M -$120K -59 -7%
EP
153
Elkfork Partners
Oregon
$1.58M -$234K -115 -13%
RA
154
Royce & Associates
New York
$1.57M +$1.57M +772 New
State of Wisconsin Investment Board
155
State of Wisconsin Investment Board
Wisconsin
$1.54M -$6.19M -3,045 -80%
URS
156
Utah Retirement Systems
Utah
$1.46M +$1.46M +718 New
CIP
157
Chartwell Investment Partners
Pennsylvania
$1.44M -$54.9K -27 -4%
CG
158
Cutler Group
California
$1.42M +$362K +178 +34%
Public Employees Retirement Association of Colorado
159
Public Employees Retirement Association of Colorado
Colorado
$1.41M +$291K +143 +26%
GHCM
160
Glen Harbor Capital Management
California
$1.3M -$193K -95 -13%
QI
161
QS Investors
New York
$1.26M
UR
162
USCA RIA
Texas
$1.26M +$201K +99 +19%
CA
163
Commerzbank Aktiengesellschaft
Germany
$1.25M -$24.4K -12 -2%
AR
164
Advisory Research
Illinois
$1.17M -$205K -101 -15%
XK
165
Xact Kapitalforvaltning
Sweden
$1.15M +$126K +62 +12%
AG
166
Aperio Group
California
$1.15M +$102K +50 +10%
Asset Management One
167
Asset Management One
Japan
$1.11M +$159K +79 +17%
RMCM
168
Reynders McVeigh Capital Management
Massachusetts
$1.07M +$38.6K +19 +4%
RIL
169
Rothschild Investment LLC
Illinois
$1.03M +$150K +74 +17%
MCIM
170
Meadow Creek Investment Management
Georgia
$1.02M -$150K -74 -13%
WC
171
Woodstock Corp
Massachusetts
$984K
Neuberger Berman Group
172
Neuberger Berman Group
New York
$974K +$232K +114 +31%
GAM
173
Gotham Asset Management
New York
$932K -$175K -86 -16%
NIMI
174
Natixis Investment Managers International
France
$920K
FRM
175
Fox Run Management
Connecticut
$908K +$908K +446 New