BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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195 hedge funds and large institutions have $2.53B invested in bluebird bio in 2015 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 86 increasing their positions, 49 reducing their positions, and 41 closing their positions.

Holders
195
Holders Change
+3
Holders Change %
+1.56%
% of All Funds
5.12%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
46
Increased
86
Reduced
49
Closed
41
Calls
$39.2M
Puts
$52M
Net Calls
-$12.8M
Net Calls Change
-$8.29M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$133M
2
PHS
2
PFM Health Sciences
California
$42.9M
3
Jennison Associates
3
Jennison Associates
New York
$55.5M
4
State Street
4
State Street
Massachusetts
$61.3M
5
Ameriprise
5
Ameriprise
Minnesota
$32.3M

Top Sellers

1
Viking Global Investors
1
Viking Global Investors
Connecticut
$0
2
DM
2
Deerfield Management
New York
$0
3
First Trust Advisors
3
First Trust Advisors
Illinois
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Norges Bank
26
Norges Bank
Norway
$15.5M 241,230 +12,333 +5%
EA
27
Emerald Advisers
Pennsylvania
$14.8M 230,252 +160,483 +230%
Invesco
28
Invesco
Georgia
$14.6M 227,322 +3,160 +1%
Geode Capital Management
29
Geode Capital Management
Massachusetts
$14.1M 220,243 +8,329 +4%
EMFAT
30
Emerald Mutual Fund Advisers Trust
Pennsylvania
$12.4M 192,375 +140,296 +269%
State of Tennessee, Department of Treasury
31
State of Tennessee, Department of Treasury
Tennessee
$12.3M 191,963 +59,952 +45%
Bank of America
32
Bank of America
North Carolina
$11.3M 175,271 +62,987 +56%
New York State Common Retirement Fund
33
New York State Common Retirement Fund
New York
$11M 171,022 +37,178 +28%
Marshall Wace
34
Marshall Wace
United Kingdom
$10.8M 168,427 +132,956 +375%
Mitsubishi UFJ Trust & Banking
35
Mitsubishi UFJ Trust & Banking
Japan
$10.5M 163,850 -1,690 -1%
UBS AM
36
UBS AM
Illinois
$10M 156,472 -15,036 -9%
Bank of New York Mellon
37
Bank of New York Mellon
New York
$9.59M 149,263 -8,472 -5%
FCM
38
Frontier Capital Management
Massachusetts
$9.42M 146,707 +133,350 +998%
UBS Group
39
UBS Group
Switzerland
$9.37M 145,883 +140,891 +2,822%
TCIM
40
TIAA CREF Investment Management
New York
$9.32M 145,057 -3,089 -2%
JHIU
41
Janus Henderson Investors US
Colorado
$9.21M 143,469 -5,491 -4%
BBA
42
Baker Bros. Advisors
New York
$9.06M 141,105 – –
Balyasny Asset Management
43
Balyasny Asset Management
Illinois
$8.62M 134,261 +129,581 +2,769%
AQR Capital Management
44
AQR Capital Management
Connecticut
$8.62M 134,169 +77,234 +136%
Northern Trust
45
Northern Trust
Illinois
$8.61M 134,065 +1,433 +1%
Axa
46
Axa
France
$8.02M 124,798 -8,927 -7%
GTC
47
Ghost Tree Capital
New York
$7.71M 120,000 +120,000 New
CC
48
Casdin Capital
New York
$6.42M 100,000 +100,000 New
Artisan Partners
49
Artisan Partners
Wisconsin
$6.19M 96,418 -2,377 -2%
California Public Employees Retirement System
50
California Public Employees Retirement System
California
$6.06M 94,400 +57,700 +157%
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