BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

229 hedge funds and large institutions have $1.59B invested in bluebird bio in 2021 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 85 increasing their positions, 64 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
229
Holders Change
-33
Holders Change %
-12.6%
% of All Funds
4.03%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
48
Increased
85
Reduced
64
Closed
78
Calls
$25.8M
Puts
$45.8M
Net Calls
-$20M
Net Calls Change
-$16.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$209M
2
AC
Armistice Capital
New York
$59.2M
3
SCM
Suvretta Capital Management
New York
$39.3M
4
SC
Sessa Capital
New York
$26.4M
5
CS
Credit Suisse
Switzerland
$70M

Top Sellers

1
Capital Research Global Investors
Capital Research Global Investors
California
$0
2
Sands Capital Management
Sands Capital Management
Virginia
$0
3
Capital World Investors
Capital World Investors
California
$0
4
Capital International Investors
Capital International Investors
California
$0
5
CC
Casdin Capital
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
TD Asset Management
101
TD Asset Management
Ontario, Canada
$803K +$196K +501 +32%
BJL
102
Brighton Jones LLC
Washington
$797K +$8.21K +21 +1%
Treasurer of the State of North Carolina
103
Treasurer of the State of North Carolina
North Carolina
$731K -$1.95K -5 -0.3%
FT
104
Fiduciary Trust
Massachusetts
$720K +$22.3K +57 +3%
AllianceBernstein
105
AllianceBernstein
Tennessee
$671K -$307K -786 -31%
SG Americas Securities
106
SG Americas Securities
New York
$655K +$655K +1,678 New
Man Group
107
Man Group
United Kingdom
$631K -$3.39M -8,682 -84%
BC
108
Bridgefront Capital
Texas
$625K +$625K +1,600 New
SEC
109
Seven Eight Capital
New York
$623K – – –
CAPTRUST Financial Advisors
110
CAPTRUST Financial Advisors
North Carolina
$605K +$227K +580 +60%
Connor, Clark & Lunn Investment Management (CC&L)
111
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$604K +$604K +1,547 New
CRC
112
Curi RMB Capital
Illinois
$598K +$781 +2 +0.1%
MWNA
113
Marshall Wace North America
New York
$595K -$259K -663 -30%
ASRS
114
Arizona State Retirement System
Arizona
$583K +$3.52K +9 +0.6%
SAM
115
Shell Asset Management
Netherlands
$581K +$241K +617 +71%
TRCT
116
Tower Research Capital (TRC)
New York
$573K +$76.9K +197 +15%
Fiera Capital (Canada)
117
Fiera Capital (Canada)
Quebec, Canada
$570K -$11.4M -29,283 -95%
HF
118
HRT Financial
New York
$563K +$563K +1,443 New
Verition Fund Management
119
Verition Fund Management
Connecticut
$536K +$536K +1,373 New
TMAM
120
Tokio Marine Asset Management
Japan
$525K – – –
PI
121
PEAK6 Investments
Illinois
$518K +$518K +1,325 New
ACM
122
AlphaCrest Capital Management
New York
$517K +$339K +868 +190%
ESCM
123
Echo Street Capital Management
New York
$510K +$510K +1,306 New
Bank of Montreal
124
Bank of Montreal
Ontario, Canada
$499K +$429K +1,148 +617%
SW
125
SkyOak Wealth
Michigan
$486K -$92.8K -236 -16%
3 4
5
6 7