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 %
Charles Schwab
51
Charles Schwab
California
$5.96M 92,818 +4,967 +6%
GC
52
Guggenheim Capital
Illinois
$5.66M 88,131 +6,252 +8%
VanEck Associates
53
VanEck Associates
New York
$5.1M 79,419 +18,649 +31%
Dimensional Fund Advisors
54
Dimensional Fund Advisors
Texas
$4.81M 74,831 +4,454 +6%
CS
55
Credit Suisse
Switzerland
$4.62M 71,883 +3,443 +5%
BNP Paribas Asset Management
56
BNP Paribas Asset Management
France
$4.43M 69,047 +8,441 +14%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$4.26M 66,266 +1,008 +2%
FLAM
58
First Light Asset Management
Minnesota
$4.25M 66,104 +52,481 +385%
ARTA
59
A.R.T. Advisors
New York
$4.2M 65,331 +65,331 New
QF
60
QVT Financial
New York
$3.79M 59,002 -58,842 -50%
CS
61
Candriam SCA
Luxembourg
$3.74M 58,200 +14,000 +32%
JPMorgan Chase & Co
62
JPMorgan Chase & Co
New York
$3.58M 55,717 -9,282 -14%
CG
63
Cutler Group
California
$3.52M 54,843 +54,843 New
PCM
64
Portolan Capital Management
Massachusetts
$3.51M 54,710 +54,710 New
Morgan Stanley
65
Morgan Stanley
New York
$3.23M 50,291 +10,035 +25%
TCM
66
Tekla Capital Management
Massachusetts
$3.17M 49,345 -44,600 -47%
FAM
67
Fred Alger Management
New York
$3.13M 48,674 -43,350 -47%
AA
68
ALPS Advisors
Colorado
$3.1M 48,317 +48,317 New
ACM
69
Apex Capital Management
Ohio
$3.07M 47,723 +3,369 +8%
TAM
70
Tocqueville Asset Management
New York
$3.04M 47,385 +5,020 +12%
AP
71
AlpInvest Partners
Netherlands
$2.97M 46,264 – –
SM
72
Sabby Management
Florida
$2.92M 45,449 +45,449 New
TA
73
Teachers Advisors
New York
$2.8M 43,632 +1,663 +4%
TD Asset Management
74
TD Asset Management
Ontario, Canada
$2.78M 43,300 -900 -2%
Swiss National Bank
75
Swiss National Bank
Switzerland
$2.76M 42,907 +500 +1%
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