BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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123 hedge funds and large institutions have $845M invested in bluebird bio in 2014 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 54 increasing their positions, 20 reducing their positions, and 20 closing their positions.

Holders
123
Holders Change
+19
Holders Change %
+18.27%
% of All Funds
3.57%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.09%
New
39
Increased
54
Reduced
20
Closed
20
Calls
$19M
Puts
$6.3M
Net Calls
+$12.7M
Net Calls Change
+$8.9M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$38.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$154M
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$126M
4
State Street
4
State Street
Massachusetts
$26.6M
5
BIT
5
BlackRock Institutional Trust
California
$21M

Top Sellers

1
TRV
1
Third Rock Ventures
Massachusetts
$43.6M
2
CCM
2
Camber Capital Management
Massachusetts
$0
3
OIM
3
Oracle Investment Management
Connecticut
$0
4
PC
4
PointState Capital
New York
$4.66M
5
Goldman Sachs
5
Goldman Sachs
New York
$9.13M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$154M 4,285,269 +610,874 +17%
Capital Research Global Investors
2
Capital Research Global Investors
California
$126M 3,502,915 +500,200 +17%
DM
3
Deerfield Management
New York
$45.2M 1,258,687 +183,419 +17%
TRV
4
Third Rock Ventures
Massachusetts
$43.6M 1,215,054 -1,201,920 -50%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$38.3M 1,067,271 +1,067,271 New
BFA
6
BlackRock Fund Advisors
California
$31.1M 866,616 +106,703 +14%
State Street
7
State Street
Massachusetts
$26.6M 742,590 +491,964 +196%
RCM
8
RA Capital Management
Massachusetts
$26.2M 728,812 +225,750 +45%
Vanguard Group
9
Vanguard Group
Pennsylvania
$22.5M 627,673 +225,769 +56%
Jennison Associates
10
Jennison Associates
New York
$22.2M 619,328 +666 +0.1%
Point72 Asset Management
11
Point72 Asset Management
Connecticut
$21.3M 594,900 +103,500 +21%
BIT
12
BlackRock Institutional Trust
California
$21M 585,457 +378,386 +183%
Franklin Resources
13
Franklin Resources
California
$16.4M 456,332 +117,800 +35%
EAM
14
Eventide Asset Management
Massachusetts
$14.2M 395,700 +318,800 +415%
UBS AM
15
UBS AM
Illinois
$13.7M 381,841 +4,802 +1%
QF
16
QVT Financial
New York
$13.2M 366,600 – –
RIM
17
RS Investment Management
California
$11.9M 332,549 +32,000 +11%
EA
18
Emerald Advisers
Pennsylvania
$9.59M 267,390 +267,390 New
Goldman Sachs
19
Goldman Sachs
New York
$9.13M 254,577 -62,467 -20%
AG
20
Artal Group
Luxembourg
$8.97M 250,000 – –
Northern Trust
21
Northern Trust
Illinois
$8.79M 245,012 +151,896 +163%
EMFAT
22
Emerald Mutual Fund Advisers Trust
Pennsylvania
$8.58M 239,151 +239,151 New
Lord, Abbett & Co
23
Lord, Abbett & Co
New Jersey
$7.55M 210,273 +91,197 +77%
KCM
24
Kingdon Capital Management
New York
$7.43M 207,000 +75,000 +57%
TCM
25
Tekla Capital Management
Massachusetts
$6.21M 172,927 +118,400 +217%
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