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 %
Zurich Cantonal Bank
151
Zurich Cantonal Bank
Switzerland
$432K +$28.3K +22 +7%
VRS
152
Virginia Retirement Systems
Virginia
$427K -$29.6K -23 -6%
OAM
153
Oppenheimer Asset Management
New York
$413K +$413K +321 New
D.E. Shaw & Co
154
D.E. Shaw & Co
New York
$402K -$503K -392 -56%
WEC
155
Winslow Evans & Crocker
Massachusetts
$398K +$20.6K +16 +5%
KAM
156
Kazazian Asset Management
Florida
$387K -$235K -183 -38%
Commonwealth Equity Services
157
Commonwealth Equity Services
Massachusetts
$385K +$141K +110 +58%
PAG
158
Private Advisor Group
New Jersey
$375K +$39.7K +31 +12%
CM
159
Caption Management
Oklahoma
$347K -$298K -232 -46%
TSS
160
Two Sigma Securities
New York
$340K +$340K +264 New
Parallax Volatility Advisers
161
Parallax Volatility Advisers
California
$331K -$6.42K -5 -2%
MLICM
162
Metropolitan Life Insurance Company (MetLife)
New York
$325K -$1.29K -1 -0.4%
VF
163
Virtu Financial
New York
$325K +$325K +253 New
JGGDR
164
JGP Global Gestao de Recursos
Brazil
$325K +$325K +253 New
RJA
165
Raymond James & Associates
Florida
$316K +$75.8K +59 +32%
MML Investors Services
166
MML Investors Services
Massachusetts
$300K +$126K +98 +72%
US Bancorp
167
US Bancorp
Minnesota
$297K -$132K -103 -31%
VEA
168
Virtus ETF Advisers
New York
$291K +$52.6K +41 +22%
OAM
169
Ostrum Asset Management
France
$291K +$291K +226 New
BFM
170
Boothbay Fund Management
New York
$273K +$273K +212 New
OPPM
171
Opus Point Partners Management
New York
$271K +$78.3K +61 +41%
PIA
172
Piedmont Investment Advisors
North Carolina
$269K – – –
Prudential Financial
173
Prudential Financial
New Jersey
$261K +$32.1K +25 +14%
WA
174
Winfield Associates
Ohio
$260K -$79.8K -62 -23%
QF
175
QVT Financial
New York
$256K – – –
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