BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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67 hedge funds and large institutions have $236M invested in bluebird bio in 2013 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

Holders
67
Holders Change
+61
Holders Change %
+1,016.67%
% of All Funds
2.17%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
62
Increased
2
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$42.2M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$27.8M
3
WRF
3
Waddell & Reed Financial
Kansas
$24.3M
4
Jennison Associates
4
Jennison Associates
New York
$16.3M
5
RCM
5
RA Capital Management
Massachusetts
$12.6M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$0
2
EEG
2
E.E. Geduld
$270K
3
Ameriprise
3
Ameriprise
Minnesota
$8.71M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$42.2M 1,567,105 +1,567,105 New
Capital Research Global Investors
2
Capital Research Global Investors
California
$27.8M 1,032,000 +1,032,000 New
WRF
3
Waddell & Reed Financial
Kansas
$24.3M 901,100 +901,100 New
Jennison Associates
4
Jennison Associates
New York
$16.3M 605,822 +605,822 New
RCM
5
RA Capital Management
Massachusetts
$12.6M 467,418 +467,418 New
DM
6
Deerfield Management
New York
$11.4M 423,224 +423,224 New
Franklin Resources
7
Franklin Resources
California
$9.16M 339,632 +339,632 New
Ameriprise
8
Ameriprise
Minnesota
$8.71M 323,037 -93 -0%
UBS AM
9
UBS AM
Illinois
$6.62M 245,371 +245,371 New
O
10
OrbiMed
New York
$6M 222,500 +222,500 New
RIM
11
RS Investment Management
California
$5.8M 215,000 +215,000 New
PC
12
PointState Capital
New York
$5.39M 200,000 +200,000 New
PHS
13
PFM Health Sciences
California
$5.34M 197,897 +197,897 New
BFA
14
BlackRock Fund Advisors
California
$5.19M 192,587 +192,587 New
BA
15
BlackRock Advisors
Delaware
$4.54M 168,241 +168,241 New
WMSA
16
Weiss Multi-Strategy Advisers
New York
$4.45M 165,000 +165,000 New
CCM
17
Camber Capital Management
Massachusetts
$4.04M 150,000 – –
AG
18
Artal Group
Luxembourg
$4.04M 150,000 +150,000 New
BBA
19
Baker Bros. Advisors
New York
$3.01M 111,521 +111,521 New
Vanguard Group
20
Vanguard Group
Pennsylvania
$2.83M 104,928 +104,928 New
QF
21
QVT Financial
New York
$2.02M 75,000 +75,000 New
Millennium Management
22
Millennium Management
New York
$1.75M 65,000 +65,000 New
BIT
23
BlackRock Institutional Trust
California
$1.72M 63,785 +63,785 New
State Street
24
State Street
Massachusetts
$1.53M 56,837 +56,837 New
TRSOTSOK
25
Teachers Retirement System of the State of Kentucky
Kentucky
$1.48M 54,800 +54,800 New
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