BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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200 hedge funds and large institutions have $3.01B invested in bluebird bio in 2016 Q3 according to their latest regulatory filings, with 45 funds opening new positions, 64 increasing their positions, 60 reducing their positions, and 21 closing their positions.

Holders
200
Holders Change
+23
Holders Change %
+12.99%
% of All Funds
5.34%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.03%
New
45
Increased
64
Reduced
60
Closed
21
Calls
$51.9M
Puts
$58M
Net Calls
-$6.06M
Net Calls Change
-$3.65M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$228M
2
Victory Capital Management
2
Victory Capital Management
Texas
$44.4M
3
Millennium Management
3
Millennium Management
New York
$44.3M
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$37.2M
5
PC
5
Passport Capital
California
$19.6M

Top Sellers

1
O
1
OppenheimerFunds
New York
$53.4M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$271M
3
RI
3
RTW Investments
New York
$5.95M
4
TAM
4
Tiverton Asset Management
Delaware
$1.87M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$378M 5,575,494 +34,037 +0.6%
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$339M 4,998,833 -55,342 -1%
Capital Research Global Investors
3
Capital Research Global Investors
California
$271M 3,992,809 -530,826 -12%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$228M 3,365,797 +921,416 +38%
Vanguard Group
5
Vanguard Group
Pennsylvania
$185M 2,735,732 +54,861 +2%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$133M 1,963,639 -112,315 -5%
State Street
7
State Street
Massachusetts
$112M 1,659,517 -40,460 -2%
BFA
8
BlackRock Fund Advisors
California
$100M 1,475,395 +89,166 +6%
O
9
OrbiMed
New York
$80.4M 1,185,800 – –
Franklin Resources
10
Franklin Resources
California
$78.7M 1,161,832 – –
BIT
11
BlackRock Institutional Trust
California
$63.4M 935,722 +32,756 +4%
Jennison Associates
12
Jennison Associates
New York
$58.8M 867,437 -10,624 -1%
O
13
OppenheimerFunds
New York
$53.4M 788,099 -564,235 -42%
Capital World Investors
14
Capital World Investors
California
$51M 752,000 -185,000 -20%
Victory Capital Management
15
Victory Capital Management
Texas
$44.4M 654,930 +654,642 +227,306%
Millennium Management
16
Millennium Management
New York
$44.3M 653,144 +434,995 +199%
Balyasny Asset Management
17
Balyasny Asset Management
Illinois
$37.2M 548,684 +323,517 +144%
EAM
18
Eventide Asset Management
Massachusetts
$36.6M 539,500 – –
Wells Fargo
19
Wells Fargo
California
$28.9M 425,639 -15,191 -3%
Northern Trust
20
Northern Trust
Illinois
$27.9M 411,712 +7,571 +2%
Norges Bank
21
Norges Bank
Norway
$27.4M 422,618 +182,014 +76%
ACH
22
ArrowMark Colorado Holdings
Colorado
$26.9M 396,897 -163,267 -29%
AG
23
Artal Group
Luxembourg
$26.1M 385,000 -65,000 -14%
Deutsche Bank
24
Deutsche Bank
Germany
$25.9M 382,110 -57,670 -13%
EA
25
Emerald Advisers
Pennsylvania
$25.3M 373,554 +179,410 +92%
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