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 %
Barclays
126
Barclays
United Kingdom
$901K +$77.1K +60 +9%
Envestnet Asset Management
127
Envestnet Asset Management
Illinois
$899K +$899K +700 New
LCM
128
Landscape Capital Management
New Jersey
$883K +$883K +687 New
Simplex Trading
129
Simplex Trading
Illinois
$875K +$875K +681 New
CSS
130
Cubist Systematic Strategies
Connecticut
$825K +$819K +637 +12,740%
Capital Fund Management (CFM)
131
Capital Fund Management (CFM)
France
$747K +$747K +582 New
WCA
132
Windsor Creek Advisors
Vermont
$744K +$744K +579 New
SOADOR
133
State of Alaska Department of Revenue
Alaska
$633K +$6.42K +5 +1%
Credit Agricole
134
Credit Agricole
France
$628K +$39.9K +31 +7%
Canada Life
135
Canada Life
Manitoba, Canada
$627K +$96.8K +78 +18%
WC
136
Woodstock Corp
Massachusetts
$622K – – –
Daiwa Securities Group
137
Daiwa Securities Group
Japan
$617K -$918K -714 -60%
Stifel Financial
138
Stifel Financial
Missouri
$600K +$362K +285 +152%
CI
139
Capital International
California
$588K +$62.9K +49 +12%
RIL
140
Rothschild Investment LLC
Illinois
$574K -$74.5K -58 -11%
Cerity Partners
141
Cerity Partners
New York
$556K +$306K +238 +123%
MGI
142
MayTech Global Investments
New York
$549K -$2.06M -1,601 -79%
BC
143
Brinker Capital
Pennsylvania
$532K +$532K +414 New
Creative Planning
144
Creative Planning
Kansas
$517K +$254K +198 +97%
RMCM
145
Reynders McVeigh Capital Management
Massachusetts
$504K -$171K -133 -25%
PI
146
PEAK6 Investments
Illinois
$500K +$500K +389 New
SAM
147
Shell Asset Management
Netherlands
$494K -$39.9K -31 -7%
LPL Financial
148
LPL Financial
California
$489K +$2.57K +2 +0.5%
LSA
149
L & S Advisors
California
$452K -$227K -176 -33%
TAM
150
Tocqueville Asset Management
New York
$446K -$4.99M -3,880 -92%
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