BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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177 hedge funds and large institutions have $1.9B invested in bluebird bio in 2016 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 70 increasing their positions, 62 reducing their positions, and 31 closing their positions.

Holders
177
Holders Change
-10
Holders Change %
-5.35%
% of All Funds
4.73%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
23
Increased
70
Reduced
62
Closed
31
Calls
$22.4M
Puts
$24.8M
Net Calls
-$2.4M
Net Calls Change
+$11.8M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$89.9M
2
BFA
2
BlackRock Fund Advisors
California
$60M
3
State Street
3
State Street
Massachusetts
$73.6M
4
RI
4
RTW Investments
New York
$26.5M
5
DM
5
Deerfield Management
New York
$14.6M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$40.6M
2
Goldman Sachs
2
Goldman Sachs
New York
$6.71M
3
TCIM
3
TIAA CREF Investment Management
New York
$6.55M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$5.63M
5
CCI
5
Columbus Circle Investors
$8.71M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$240M 5,541,457 +2,312 +0%
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$219M 5,054,175 +76,538 +2%
Capital Research Global Investors
3
Capital Research Global Investors
California
$196M 4,523,635 +3,913 +0.1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$116M 2,680,871 +333,396 +14%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$106M 2,444,381 +283,718 +13%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$89.9M 2,075,954 +873,707 +73%
State Street
7
State Street
Massachusetts
$73.6M 1,699,977 +498,041 +41%
BFA
8
BlackRock Fund Advisors
California
$60M 1,386,229 +616,095 +80%
O
9
OppenheimerFunds
New York
$58.5M 1,352,334 +41,250 +3%
O
10
OrbiMed
New York
$51.3M 1,185,800 +240,300 +25%
Franklin Resources
11
Franklin Resources
California
$50.3M 1,161,832 +196,271 +20%
Capital World Investors
12
Capital World Investors
California
$40.6M 937,000 -403,000 -30%
BIT
13
BlackRock Institutional Trust
California
$39.1M 902,966 +32,186 +4%
Jennison Associates
14
Jennison Associates
New York
$38M 878,061 +1,191 +0.1%
RI
15
RTW Investments
New York
$26.5M 612,025 +385,654 +170%
RIM
16
RS Investment Management
California
$24.9M 575,093 +47,339 +9%
ACH
17
ArrowMark Colorado Holdings
Colorado
$24.2M 560,164 +59,911 +12%
EAM
18
Eventide Asset Management
Massachusetts
$23.4M 539,500 – –
GPP
19
Great Point Partners
Connecticut
$21.6M 500,000 +106,865 +27%
AG
20
Artal Group
Luxembourg
$19.5M 450,000 -50,000 -10%
Wells Fargo
21
Wells Fargo
California
$19.1M 440,830 -9,454 -2%
Deutsche Bank
22
Deutsche Bank
Germany
$19M 439,780 +70,585 +19%
Northern Trust
23
Northern Trust
Illinois
$17.5M 404,141 +255,789 +172%
DM
24
Deerfield Management
New York
$14.6M 338,085 +338,085 New
TAM
25
Tiverton Asset Management
Delaware
$12.9M 486,223 +393,108 +422%
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