BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

237 hedge funds and large institutions have $5.86B invested in bluebird bio in 2015 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 71 increasing their positions, 88 reducing their positions, and 24 closing their positions.

Holders
237
Holders Change
+26
Holders Change %
+12.32%
% of All Funds
6.39%
Holding in Top 10
8
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+100%
% of All Funds
0.22%
New
54
Increased
71
Reduced
88
Closed
24
Calls
$117M
Puts
$112M
Net Calls
+$4.88M
Net Calls Change
-$22.4M

Top Buyers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$623M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$349M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$903M
4
O
4
OrbiMed
New York
$161M
5
Capital Research Global Investors
5
Capital Research Global Investors
California
$738M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$26.1M
2
BFA
2
BlackRock Fund Advisors
California
$116M
3
DM
3
Deerfield Management
New York
$55M
4
UBS AM
4
UBS AM
Illinois
$44M
5
FCM
5
Frontier Capital Management
Massachusetts
$3.71M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$903M 5,365,592 +645,814 +14%
Capital Research Global Investors
2
Capital Research Global Investors
California
$738M 4,381,900 +392,525 +10%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$623M 3,697,412 +2,413,450 +188%
Vanguard Group
4
Vanguard Group
Pennsylvania
$349M 2,075,365 +688,441 +50%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$302M 1,791,241 -130,027 -7%
Capital World Investors
6
Capital World Investors
California
$229M 1,358,000 – –
O
7
OrbiMed
New York
$161M 958,300 +407,600 +74%
BIT
8
BlackRock Institutional Trust
California
$125M 745,061 +55,626 +8%
Franklin Resources
9
Franklin Resources
California
$118M 702,001 +247,869 +55%
O
10
OppenheimerFunds
New York
$116M 688,350 -16,990 -2%
BFA
11
BlackRock Fund Advisors
California
$116M 686,076 -410,598 -37%
Lord, Abbett & Co
12
Lord, Abbett & Co
New Jersey
$102M 604,836 -148,334 -20%
Deutsche Bank
13
Deutsche Bank
Germany
$86.9M 516,341 +387,286 +300%
Jennison Associates
14
Jennison Associates
New York
$85.4M 507,014 -82,309 -14%
State Street
15
State Street
Massachusetts
$79.1M 469,538 -125,119 -21%
EAM
16
Eventide Asset Management
Massachusetts
$67.8M 402,800 – –
Goldman Sachs
17
Goldman Sachs
New York
$61.2M 363,206 +109,156 +43%
DM
18
Deerfield Management
New York
$55M 326,783 -304,526 -48%
RIM
19
RS Investment Management
California
$49.3M 292,894 +42,730 +17%
UBS AM
20
UBS AM
Illinois
$44M 261,038 -286,757 -52%
GGHC
21
Gilder Gagnon Howe & Co
New York
$43.8M 260,142 +218,374 +523%
Northern Trust
22
Northern Trust
Illinois
$43.7M 259,527 -27,986 -10%
Wells Fargo
23
Wells Fargo
California
$42.9M 263,084 -103,826 -28%
TCP
24
Tourbillon Capital Partners
New York
$42.1M 250,000 -70,000 -22%
Invesco
25
Invesco
Georgia
$41.8M 248,526 +7,697 +3%
1
2 3 4 5