BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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83 hedge funds and large institutions have $411M invested in bluebird bio in 2014 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 40 increasing their positions, 17 reducing their positions, and 9 closing their positions.

Holders
83
Holders Change
+2
Holders Change %
+2.47%
% of All Funds
2.4%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
13
Increased
40
Reduced
17
Closed
9
Calls
$20K
Puts
$91K
Net Calls
-$71K
Net Calls Change
-$71K

Top Buyers

1
CCM
1
Camber Capital Management
Massachusetts
$16.1M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$67.3M
3
O
3
OrbiMed
New York
$6.57M
4
Millennium Management
4
Millennium Management
New York
$6.64M
5
QF
5
QVT Financial
New York
$4.48M

Top Sellers

1
TRV
1
Third Rock Ventures
Massachusetts
$55M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$4.06M
3
Ameriprise
3
Ameriprise
Minnesota
$2K
4
WMSA
4
Weiss Multi-Strategy Advisers
New York
$0
5
PC
5
PointState Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$82.4M 3,624,383 +59,752 +2%
Capital Research Global Investors
2
Capital Research Global Investors
California
$67.3M 2,960,748 +347,956 +13%
TRV
3
Third Rock Ventures
Massachusetts
$55M 2,416,974 -897,000 -27%
WRF
4
Waddell & Reed Financial
Kansas
$25M 1,099,300 – –
Jennison Associates
5
Jennison Associates
New York
$16.6M 730,502 -79,028 -10%
CCM
6
Camber Capital Management
Massachusetts
$16.1M 706,900 +500,000 +242%
BFA
7
BlackRock Fund Advisors
California
$11M 483,547 +22,034 +5%
RCM
8
RA Capital Management
Massachusetts
$10.6M 467,418 – –
DM
9
Deerfield Management
New York
$9.43M 414,474 -8,750 -2%
RIM
10
RS Investment Management
California
$8.18M 359,500 +57,700 +19%
Franklin Resources
11
Franklin Resources
California
$7.7M 338,532 +9,700 +3%
Millennium Management
12
Millennium Management
New York
$6.64M 291,986 +228,718 +362%
UBS AM
13
UBS AM
Illinois
$6.63M 291,747 +50,956 +21%
PHS
14
PFM Health Sciences
California
$6.62M 291,031 -3,295 -1%
O
15
OrbiMed
New York
$6.57M 289,000 +289,000 New
FAM
16
Fred Alger Management
New York
$6.22M 273,359 +35,894 +15%
Vanguard Group
17
Vanguard Group
Pennsylvania
$5.07M 222,779 +98,962 +80%
BBA
18
Baker Bros. Advisors
New York
$4.51M 198,260 +83,799 +73%
QF
19
QVT Financial
New York
$4.48M 197,100 +197,100 New
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$4.06M 178,585 -305,032 -63%
BA
21
BlackRock Advisors
Delaware
$3.93M 172,947 +7,745 +5%
AG
22
Artal Group
Luxembourg
$3.41M 150,000 – –
DCM
23
Driehaus Capital Management
Illinois
$3.26M 143,414 +143,414 New
SCA
24
SAC Capital Advisors
Connecticut
$2.83M 124,600 +24,600 +25%
Deutsche Bank
25
Deutsche Bank
Germany
$2.5M 110,023 +94,033 +588%
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