BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
251
Holders Change
-37
Holders Change %
-12.85%
% of All Funds
5.6%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
37
Increased
98
Reduced
76
Closed
73
Calls
$169M
Puts
$88.3M
Net Calls
+$80.8M
Net Calls Change
+$54.9M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$300M
2
Capital International Investors
Capital International Investors
California
+$178M
3
Fiera Capital (Canada)
Fiera Capital (Canada)
Quebec, Canada
+$33M
4
Capital World Investors
Capital World Investors
California
+$28.5M
5
Two Sigma Investments
Two Sigma Investments
New York
+$25.3M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$137M
2
RG
Redmile Group
California
-$36.8M
3
Bank of New York Mellon
Bank of New York Mellon
New York
-$35.3M
4
MCM
Masters Capital Management
Georgia
-$30.7M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$27.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Nisa Investment Advisors
176
Nisa Investment Advisors
Missouri
$249K – – –
WMSA
177
Weiss Multi-Strategy Advisers
New York
$248K -$397K -309 -62%
QC
178
QCM Cayman
Texas
$239K -$7.71K -6 -3%
Comerica Bank
179
Comerica Bank
Texas
$237K -$12.8K -8 -5%
CWG
180
C WorldWide Group
Denmark
$236K -$6.41K -5 -3%
WS
181
Wedbush Securities
California
$223K +$29.5K +23 +15%
PAM
182
Panagora Asset Management
Massachusetts
$221K – – –
M&T Bank
183
M&T Bank
New York
$221K +$221K +172 New
RJFSA
184
Raymond James Financial Services Advisors
Florida
$213K +$48.8K +38 +30%
LWAC
185
Laurel Wealth Advisors (California)
California
$203K -$97.6K -76 -32%
William Blair & Company
186
William Blair & Company
Illinois
$203K +$18K +14 +10%
SLG
187
Stanley-Laman Group
Pennsylvania
$201K +$201K +156 New
SEI Investments
188
SEI Investments
Pennsylvania
$199K – – –
LTFS
189
Ladenburg Thalmann Financial Services
Florida
$152K +$29.4K +23 +24%
HCM
190
Highlander Capital Management
New Jersey
$149K – – –
SG Americas Securities
191
SG Americas Securities
New York
$146K +$1.28K +1 +0.9%
Rockefeller Capital Management
192
Rockefeller Capital Management
New York
$138K +$138K +108 New
IA
193
IFP Advisors
Florida
$125K -$55.6K -44 -31%
AG
194
Advisor Group
Arizona
$124K +$16.6K +13 +15%
QI
195
QS Investors
New York
$120K – – –
AIG
196
American International Group
New York
$118K – – –
NIM
197
NuWave Investment Management
New Jersey
$111K +$14K +11 +14%
Mitsubishi UFJ Asset Management
198
Mitsubishi UFJ Asset Management
Japan
$110K +$29.8K +23 +37%
MCM
199
McKinley Capital Management
Alaska
$92K -$120K -94 -57%
BF
200
BOK Financial
Oklahoma
$82K -$724K -565 -90%
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