BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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104 hedge funds and large institutions have $742M invested in bluebird bio in 2014 Q2 according to their latest regulatory filings, with 41 funds opening new positions, 34 increasing their positions, 22 reducing their positions, and 19 closing their positions.

Holders
104
Holders Change
+21
Holders Change %
+25.3%
% of All Funds
2.99%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
41
Increased
34
Reduced
22
Closed
19
Calls
$6.52M
Puts
$2.68M
Net Calls
+$3.84M
Net Calls Change
+$3.91M

Top Buyers

1
DM
1
Deerfield Management
New York
$41.5M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$19M
3
Goldman Sachs
3
Goldman Sachs
New York
$12.2M
4
BFA
4
BlackRock Fund Advisors
California
$29.3M
5
PC
5
PointState Capital
New York
$10.6M

Top Sellers

1
WRF
1
Waddell & Reed Financial
Kansas
$0
2
PHS
2
PFM Health Sciences
California
$0
3
O
3
OrbiMed
New York
$0
4
Millennium Management
4
Millennium Management
New York
$5.46M
5
BA
5
BlackRock Advisors
Delaware
$2.34M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$142M 3,674,395 +50,012 +1%
Capital Research Global Investors
2
Capital Research Global Investors
California
$116M 3,002,715 +41,967 +1%
TRV
3
Third Rock Ventures
Massachusetts
$93.2M 2,416,974 – –
DM
4
Deerfield Management
New York
$41.5M 1,075,268 +660,794 +159%
BFA
5
BlackRock Fund Advisors
California
$29.3M 759,913 +276,366 +57%
CCM
6
Camber Capital Management
Massachusetts
$25.3M 656,900 -50,000 -7%
Jennison Associates
7
Jennison Associates
New York
$23.9M 618,662 -111,840 -15%
RCM
8
RA Capital Management
Massachusetts
$19.4M 503,062 +35,644 +8%
Point72 Asset Management
9
Point72 Asset Management
Connecticut
$19M 491,400 +491,400 New
Vanguard Group
10
Vanguard Group
Pennsylvania
$15.5M 401,904 +179,125 +80%
UBS AM
11
UBS AM
Illinois
$14.5M 377,039 +85,292 +29%
QF
12
QVT Financial
New York
$14.1M 366,600 +169,500 +86%
Franklin Resources
13
Franklin Resources
California
$13.1M 338,532 – –
Goldman Sachs
14
Goldman Sachs
New York
$12.2M 317,044 +317,044 New
RIM
15
RS Investment Management
California
$11.6M 300,549 -58,951 -16%
PC
16
PointState Capital
New York
$10.6M 275,000 +275,000 New
State Street
17
State Street
Massachusetts
$9.67M 250,626 +160,335 +178%
AG
18
Artal Group
Luxembourg
$9.64M 250,000 +100,000 +67%
BIT
19
BlackRock Institutional Trust
California
$7.99M 207,071 +122,666 +145%
BBA
20
Baker Bros. Advisors
New York
$7.65M 198,260 – –
OIM
21
Oracle Investment Management
Connecticut
$6.9M 178,937 +178,937 New
FAM
22
Fred Alger Management
New York
$6.66M 172,778 -100,581 -37%
Millennium Management
23
Millennium Management
New York
$5.46M 141,464 -150,522 -52%
KCM
24
Kingdon Capital Management
New York
$5.09M 132,000 +132,000 New
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$4.59M 119,076 +119,076 New
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