BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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288 hedge funds and large institutions have $8.48B invested in bluebird bio in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 99 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
-19
Holders Change %
-6.19%
% of All Funds
6.59%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
37
Increased
108
Reduced
99
Closed
54
Calls
$177M
Puts
$151M
Net Calls
+$25.9M
Net Calls Change
-$69.3M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$311M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$207M
3
Capital World Investors
Capital World Investors
California
+$136M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$88.4M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$72.2M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$54M
2
Millennium Management
Millennium Management
New York
-$53.8M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.2M
4
MWNA
Marshall Wace North America
New York
-$29M
5
Citigroup
Citigroup
New York
-$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.19B +$88.4M +46,768 +8%
Capital Research Global Investors
2
Capital Research Global Investors
California
$969M +$72.2M +38,197 +8%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$678M -$29.2M -15,430 -4%
Vanguard Group
4
Vanguard Group
Pennsylvania
$674M +$61.7M +32,646 +10%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$638M +$207M +109,484 +48%
Capital World Investors
6
Capital World Investors
California
$500M +$136M +71,945 +37%
Capital International Investors
7
Capital International Investors
California
$476M +$311M +164,507 +189%
BlackRock
8
BlackRock
New York
$431M +$31.7M +16,745 +8%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$388M -$24.5M -12,979 -6%
State Street
10
State Street
Massachusetts
$162M +$19.3M +10,192 +14%
O
11
OppenheimerFunds
New York
$115M -$467K -247 -0.4%
First Trust Advisors
12
First Trust Advisors
Illinois
$87.9M +$34M +18,001 +63%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$84.9M +$39.3M +20,773 +86%
Jennison Associates
14
Jennison Associates
New York
$75.5M +$618K +327 +0.8%
Victory Capital Management
15
Victory Capital Management
Texas
$74.5M -$2.22M -1,172 -3%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$74.4M +$4.14M +2,188 +6%
O
17
OrbiMed
New York
$67M -$4.23M -2,239 -6%
Goldman Sachs
18
Goldman Sachs
New York
$67M -$54M -28,559 -45%
Norges Bank
19
Norges Bank
Norway
$61.1M +$730K +386 +1%
UBS AM
20
UBS AM
Illinois
$60.2M +$49.6M +26,252 +469%
AIM
21
ARK Investment Management
Florida
$58.5M +$20.1M +10,602 +52%
Franklin Resources
22
Franklin Resources
California
$55.9M -$762K -403 -1%
American Century Companies
23
American Century Companies
Missouri
$47M +$18.9M +10,017 +67%
AllianceBernstein
24
AllianceBernstein
Tennessee
$45.6M -$1.36M -720 -3%
CGT
25
Capital Guardian Trust
California
$45M +$1.95M +1,030 +5%
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