BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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192 hedge funds and large institutions have $3.12B invested in bluebird bio in 2015 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 94 increasing their positions, 60 reducing their positions, and 65 closing their positions.

Holders
192
Holders Change
-45
Holders Change %
-18.99%
% of All Funds
5.37%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.11%
New
21
Increased
94
Reduced
60
Closed
65
Calls
$59.5M
Puts
$64M
Net Calls
-$4.52M
Net Calls Change
-$9.39M

Top Buyers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$409M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$52.7M
3
O
3
OppenheimerFunds
New York
$96.5M
4
First Trust Advisors
4
First Trust Advisors
Illinois
$28.2M
5
O
5
OrbiMed
New York
$102M

Top Sellers

1
TCP
1
Tourbillon Capital Partners
New York
$0
2
PC
2
Passport Capital
California
$0
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$17.1M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$0
5
KCM
5
Kingdon Capital Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$465M 5,439,543 +73,951 +1%
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$409M 4,783,704 +1,086,292 +29%
Capital Research Global Investors
3
Capital Research Global Investors
California
$380M 4,442,293 +60,393 +1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$188M 2,196,873 +121,508 +6%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$157M 1,830,380 +39,139 +2%
Capital World Investors
6
Capital World Investors
California
$112M 1,313,000 -45,000 -3%
O
7
OrbiMed
New York
$102M 1,188,900 +230,600 +24%
O
8
OppenheimerFunds
New York
$96.5M 1,127,484 +439,134 +64%
BIT
9
BlackRock Institutional Trust
California
$73.8M 863,029 +117,968 +16%
BFA
10
BlackRock Fund Advisors
California
$71.8M 838,902 +152,826 +22%
Franklin Resources
11
Franklin Resources
California
$61.6M 719,704 +17,703 +3%
State Street
12
State Street
Massachusetts
$52.8M 616,940 +147,402 +31%
Viking Global Investors
13
Viking Global Investors
Connecticut
$52.7M 615,557 +615,557 New
DM
14
Deerfield Management
New York
$41.3M 483,000 +156,217 +48%
EAM
15
Eventide Asset Management
Massachusetts
$35.9M 419,600 +16,800 +4%
Deutsche Bank
16
Deutsche Bank
Germany
$31.8M 372,316 -144,025 -28%
Jennison Associates
17
Jennison Associates
New York
$30.9M 361,587 -145,427 -29%
Goldman Sachs
18
Goldman Sachs
New York
$30.2M 353,021 -10,185 -3%
First Trust Advisors
19
First Trust Advisors
Illinois
$28.2M 329,842 +329,842 New
AG
20
Artal Group
Luxembourg
$26.9M 315,000 +115,000 +58%
Wells Fargo
21
Wells Fargo
California
$26.5M 309,529 +46,445 +18%
GGHC
22
Gilder Gagnon Howe & Co
New York
$25.7M 300,456 +40,314 +15%
RIM
23
RS Investment Management
California
$23M 269,224 -23,670 -8%
Point72 Asset Management
24
Point72 Asset Management
Connecticut
$19.9M 233,000 +25,900 +13%
Norges Bank
25
Norges Bank
Norway
$19.6M 228,897 -11,166 -5%
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