BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
251
Holders Change
-37
Holders Change %
-12.85%
% of All Funds
5.6%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
37
Increased
98
Reduced
76
Closed
73
Calls
$169M
Puts
$88.3M
Net Calls
+$80.8M
Net Calls Change
+$54.9M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$300M
2
Capital International Investors
Capital International Investors
California
+$178M
3
Fiera Capital (Canada)
Fiera Capital (Canada)
Quebec, Canada
+$33M
4
Capital World Investors
Capital World Investors
California
+$28.5M
5
Two Sigma Investments
Two Sigma Investments
New York
+$25.3M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$137M
2
RG
Redmile Group
California
-$36.8M
3
Bank of New York Mellon
Bank of New York Mellon
New York
-$35.3M
4
MCM
Masters Capital Management
Georgia
-$30.7M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$27.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
EAM
26
Eagle Asset Management
Florida
$27.7M +$3.73M +2,903 +16%
EAM
27
Eventide Asset Management
Massachusetts
$27.5M – – –
Deutsche Bank
28
Deutsche Bank
Germany
$26.6M +$632K +492 +2%
Northern Trust
29
Northern Trust
Illinois
$25.6M +$231K +180 +0.9%
Two Sigma Investments
30
Two Sigma Investments
New York
$25.3M +$25.3M +19,708 New
Morgan Stanley
31
Morgan Stanley
New York
$24.3M -$3.14M -2,442 -11%
TCIM
32
TIAA CREF Investment Management
New York
$22.7M -$1.98M -1,544 -8%
TA
33
Teachers Advisors
New York
$22.6M +$1.8M +1,398 +9%
Bank of New York Mellon
34
Bank of New York Mellon
New York
$22.4M -$35.3M -27,502 -61%
CTA
35
Carillon Tower Advisers
Florida
$22.2M +$3.8M +2,958 +21%
Charles Schwab
36
Charles Schwab
California
$21.5M +$1.05M +820 +5%
Susquehanna International Group
37
Susquehanna International Group
Pennsylvania
$20.3M +$1.67M +1,298 +9%
AIM
38
ARK Investment Management
Florida
$19.5M -$20.2M -15,726 -51%
AG
39
Artal Group
Luxembourg
$17.4M – – –
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$16.9M +$1.95M +1,516 +13%
CS
41
Candriam SCA
Luxembourg
$16.8M +$6.5M +5,057 +63%
Dimensional Fund Advisors
42
Dimensional Fund Advisors
Texas
$15.8M +$2.51M +1,955 +19%
Ameriprise
43
Ameriprise
Minnesota
$15.3M -$2.48M -1,932 -14%
Mitsubishi UFJ Trust & Banking
44
Mitsubishi UFJ Trust & Banking
Japan
$14.9M -$353K -275 -2%
FCM
45
Frontier Capital Management
Massachusetts
$14.8M +$7.96M +6,198 +116%
Franklin Resources
46
Franklin Resources
California
$14.8M -$23.3M -18,101 -61%
MMH
47
Menora Mivtachim Holdings
Israel
$14.1M – – –
SFM
48
Sphera Funds Management
Israel
$13.8M +$5.99M +4,663 +77%
Millennium Management
49
Millennium Management
New York
$13.4M +$5.66M +4,405 +73%
RPAM
50
Rhenman & Partners Asset Management
Sweden
$11.7M +$11.7M +9,098 New
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