BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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169 hedge funds and large institutions have $2.74B invested in bluebird bio in 2014 Q4 according to their latest regulatory filings, with 59 funds opening new positions, 53 increasing their positions, 42 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
169
Holders Change
+46
Holders Change %
+37.4%
% of All Funds
4.51%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.19%
New
59
Increased
53
Reduced
42
Closed
11
Calls
$43.4M
Puts
$14.5M
Net Calls
+$28.8M
Net Calls Change
+$16.1M

Top Buyers

1
Capital World Investors
Capital World Investors
California
$75M
2
O
OppenheimerFunds
New York
$69M
3
FCM
Frontier Capital Management
Massachusetts
$43.8M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$139M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$433M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$4.08M
2
DM
Deerfield Management
New York
$78M
3
RCM
RA Capital Management
Massachusetts
$46.4M
4
QF
QVT Financial
New York
$14.9M
5
State Street
State Street
Massachusetts
$49.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
AQR Capital Management
51
AQR Capital Management
Connecticut
$9.68M +$7.38M +6,213 +321%
RG
52
Redmile Group
California
$9.38M +$9.38M +7,892 New
Wellington Management Group
53
Wellington Management Group
Massachusetts
$8.95M +$8.95M +7,536 New
CI
54
Cowen Inc
New York
$8.92M +$442K +372 +5%
CS
55
Credit Suisse
Switzerland
$8.32M +$770K +648 +10%
Artisan Partners
56
Artisan Partners
Wisconsin
$7.25M +$7.25M +6,100 New
UBS Group
57
UBS Group
Switzerland
$7.17M +$7.17M +6,032 New
PC
58
PointState Capital
New York
$6.88M -$5.04M -4,246 -42%
Axa
59
Axa
France
$6.32M +$6.32M +5,322 New
DCM
60
Driehaus Capital Management
Illinois
$6.24M -$835K -703 -12%
BA
61
BlackRock Advisors
Delaware
$6.14M +$708K +596 +13%
BIM
62
BlackRock Investment Management
Delaware
$6.04M -$42.8K -36 -0.7%
NFA
63
Nationwide Fund Advisors
Ohio
$5.94M +$4.4M +3,707 +287%
CCM
64
Cadence Capital Management
Massachusetts
$5.65M +$5.65M +4,755 New
EI
65
EAM Investors
California
$5.65M +$2.95M +2,485 +110%
HRCM
66
Hood River Capital Management
Florida
$5.64M +$5.64M +4,748 New
GC
67
Guggenheim Capital
Illinois
$5.54M +$5.54M +4,660 New
Allianz Asset Management
68
Allianz Asset Management
Germany
$5.45M +$5.45M +4,589 New
Charles Schwab
69
Charles Schwab
California
$5.2M +$794K +668 +18%
Connor, Clark & Lunn Investment Management (CC&L)
70
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$5.18M +$4.63M +3,899 +842%
TCM
71
Tekla Capital Management
Massachusetts
$5M -$10.9M -9,141 -68%
CS
72
Candriam SCA
Luxembourg
$4.68M +$4.68M +3,937 New
Principal Financial Group
73
Principal Financial Group
Iowa
$4.57M -$274K -231 -6%
TRSOTSOK
74
Teachers Retirement System of the State of Kentucky
Kentucky
$4.46M – – –
FT
75
Fiduciary Trust
Massachusetts
$4.4M -$91.5K -77 -2%
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