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 %
EAM
26
Eventide Asset Management
Massachusetts
$40.5M – – –
Morgan Stanley
27
Morgan Stanley
New York
$40.4M -$1.04M -549 -3%
Deutsche Bank
28
Deutsche Bank
Germany
$38.1M -$475K -251 -1%
CS
29
Credit Suisse
Switzerland
$37.9M +$7.96M +4,207 +27%
CC
30
Casdin Capital
New York
$37.7M +$8.47M +4,478 +29%
Northern Trust
31
Northern Trust
Illinois
$37.4M +$2.2M +1,165 +6%
RG
32
Redmile Group
California
$36.8M -$2.39M -1,266 -6%
TCIM
33
TIAA CREF Investment Management
New York
$36.4M -$352K -186 -1%
EAM
34
Eagle Asset Management
Florida
$35.2M +$9.35M +4,943 +36%
Balyasny Asset Management
35
Balyasny Asset Management
Illinois
$34.4M -$3.83M -2,023 -10%
Fidelity International
36
Fidelity International
Bermuda
$32.9M +$20.5M +10,847 +165%
GGHC
37
Gilder Gagnon Howe & Co
New York
$31.9M +$11.7M +6,187 +58%
MCM
38
Masters Capital Management
Georgia
$30.7M -$11.3M -5,978 -27%
TA
39
Teachers Advisors
New York
$30.6M -$5.91M -3,127 -16%
Charles Schwab
40
Charles Schwab
California
$30.1M -$8.37M -4,425 -22%
Bank of America
41
Bank of America
North Carolina
$27.7M +$4.97M +2,629 +22%
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$27.5M -$21.8M -11,529 -44%
CTA
43
Carillon Tower Advisers
Florida
$27.1M +$4.8M +2,539 +22%
CBT
44
Capital Bank & Trust
California
$25.7M -$129K -68 -0.5%
Ameriprise
45
Ameriprise
Minnesota
$25.6M -$10.6M -5,703 -29%
AG
46
Artal Group
Luxembourg
$25.6M +$730K +386 +3%
Mitsubishi UFJ Trust & Banking
47
Mitsubishi UFJ Trust & Banking
Japan
$22.5M +$514K +272 +2%
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$21.9M -$2.11M -1,114 -9%
PAMU
49
Pictet Asset Management (UK)
United Kingdom
$21.2M -$1.53M -807 -7%
MMH
50
Menora Mivtachim Holdings
Israel
$20.7M – – –
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