BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.87B invested in bluebird bio in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 81 increasing their positions, 78 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
5.29%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
81
Reduced
78
Closed
54
Calls
$81.7M
Puts
$103M
Net Calls
-$21.7M
Net Calls Change
+$9.31M

Top Buyers

1
Sands Capital Management
Sands Capital Management
Virginia
+$98.4M
2
Victory Capital Management
Victory Capital Management
Texas
+$87.6M
3
Capital World Investors
Capital World Investors
California
+$72.6M
4
Capital International Investors
Capital International Investors
California
+$32.3M
5
CII
Capital International Inc
California
+$30.6M

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$70.5M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$41.9M
3
First Trust Advisors
First Trust Advisors
Illinois
-$37.1M
4
Bank of America
Bank of America
North Carolina
-$22.2M
5
Goldman Sachs
Goldman Sachs
New York
-$20.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
URS
126
Utah Retirement Systems
Utah
$954K – – –
VOYA Investment Management
127
VOYA Investment Management
Georgia
$897K -$808K -679 -47%
Bank of Montreal
128
Bank of Montreal
Ontario, Canada
$886K -$2.24M -1,885 -72%
BC
129
Brinker Capital
Pennsylvania
$792K +$114K +96 +17%
RIL
130
Rothschild Investment LLC
Illinois
$772K -$28.5K -24 -4%
PI
131
Putnam Investments
Massachusetts
$768K -$767K -645 -50%
WCA
132
Windsor Creek Advisors
Vermont
$762K +$309K +260 +68%
LSA
133
L & S Advisors
California
$753K +$7.14K +6 +1%
Public Employees Retirement Association of Colorado
134
Public Employees Retirement Association of Colorado
Colorado
$654K – – –
XK
135
Xact Kapitalforvaltning
Sweden
$636K -$147K -124 -19%
D.E. Shaw & Co
136
D.E. Shaw & Co
New York
$623K +$182K +153 +41%
Stifel Financial
137
Stifel Financial
Missouri
$621K -$34.2K -29 -5%
ERSOT
138
Employees Retirement System of Texas
Texas
$605K +$605K +509 New
WC
139
Woodstock Corp
Massachusetts
$588K – – –
LTFS
140
Ladenburg Thalmann Financial Services
Florida
$554K +$416K +350 +302%
SEI Investments
141
SEI Investments
Pennsylvania
$547K +$547K +460 New
Mirae Asset Global Investments
142
Mirae Asset Global Investments
South Korea
$539K +$303K +255 +128%
Cerity Partners
143
Cerity Partners
New York
$508K +$3.56K +3 +0.7%
Simplex Trading
144
Simplex Trading
Illinois
$503K +$503K +424 New
TCM
145
Teza Capital Management
Illinois
$497K +$497K +418 New
SAM
146
Shell Asset Management
Netherlands
$496K -$3.57K -3 -0.7%
AAM
147
Advisors Asset Management
Colorado
$494K -$290K -244 -37%
VF
148
Virtu Financial
New York
$483K +$296K +249 +159%
OAM
149
Oppenheimer Asset Management
New York
$468K +$55.8K +47 +14%
RJA
150
Raymond James & Associates
Florida
$439K +$33.3K +28 +8%
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