BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

211 hedge funds and large institutions have $3.8B invested in bluebird bio in 2015 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 71 increasing their positions, 68 reducing their positions, and 18 closing their positions.

Holders
211
Holders Change
+42
Holders Change %
+24.85%
% of All Funds
5.63%
Holding in Top 10
4
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-42.86%
% of All Funds
0.11%
New
60
Increased
71
Reduced
68
Closed
18
Calls
$97.3M
Puts
$70M
Net Calls
+$27.3M
Net Calls Change
-$1.56M

Top Buyers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$155M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$167M
3
O
3
OrbiMed
New York
$66.5M
4
Capital World Investors
4
Capital World Investors
California
$164M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$232M

Top Sellers

1
TRV
1
Third Rock Ventures
Massachusetts
$0
2
RCM
2
RA Capital Management
Massachusetts
$24.2M
3
FCM
3
Frontier Capital Management
Massachusetts
$30.2M
4
DM
4
Deerfield Management
New York
$76.2M
5
PHS
5
PFM Health Sciences
California
$24.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$570M 4,719,778 -1,100 -0%
Capital Research Global Investors
2
Capital Research Global Investors
California
$482M 3,989,375 +113,264 +3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$232M 1,921,268 +404,324 +27%
Vanguard Group
4
Vanguard Group
Pennsylvania
$167M 1,386,924 +618,407 +80%
Capital World Investors
5
Capital World Investors
California
$164M 1,358,000 +540,000 +66%
Baillie Gifford & Co
6
Baillie Gifford & Co
United Kingdom
$155M 1,283,962 +1,283,962 New
BFA
7
BlackRock Fund Advisors
California
$132M 1,096,674 +147,823 +16%
Lord, Abbett & Co
8
Lord, Abbett & Co
New Jersey
$91M 753,170 +303,934 +68%
Millennium Management
9
Millennium Management
New York
$90.9M 752,489 +206,244 +38%
O
10
OppenheimerFunds
New York
$85.2M 705,340 -47,220 -6%
BIT
11
BlackRock Institutional Trust
California
$83.3M 689,435 +150,334 +28%
DM
12
Deerfield Management
New York
$76.2M 631,309 -219,623 -26%
State Street
13
State Street
Massachusetts
$71.8M 594,657 +50,102 +9%
Jennison Associates
14
Jennison Associates
New York
$71.2M 589,323 -2,679 -0.5%
O
15
OrbiMed
New York
$66.5M 550,700 +550,700 New
UBS AM
16
UBS AM
Illinois
$66.2M 547,795 +21,726 +4%
Franklin Resources
17
Franklin Resources
California
$54.8M 454,132 +25,300 +6%
EAM
18
Eventide Asset Management
Massachusetts
$48.6M 402,800 +12,800 +3%
Wells Fargo
19
Wells Fargo
California
$44.3M 366,910 -6,208 -2%
AG
20
Artal Group
Luxembourg
$42.3M 350,000 +75,000 +27%
TCP
21
Tourbillon Capital Partners
New York
$38.6M 320,000 -100,500 -24%
Northern Trust
22
Northern Trust
Illinois
$34.7M 287,513 +49,627 +21%
CCI
23
Columbus Circle Investors
$31.7M 262,753 +112,345 +75%
Goldman Sachs
24
Goldman Sachs
New York
$30.7M 254,050 -114,402 -31%
RIM
25
RS Investment Management
California
$30.2M 250,164 -88,665 -26%
1
2 3 4 5