BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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199 hedge funds and large institutions have $2.88B invested in bluebird bio in 2016 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 90 increasing their positions, 58 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
199
Holders Change
-1
Holders Change %
-0.5%
% of All Funds
4.98%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.08%
New
31
Increased
90
Reduced
58
Closed
30
Calls
$50.2M
Puts
$44M
Net Calls
+$6.24M
Net Calls Change
+$12.3M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$188M
2
Capital Research Global Investors
Capital Research Global Investors
California
$291M
3
Fidelity Investments
Fidelity Investments
Massachusetts
$376M
4
Vanguard Group
Vanguard Group
Pennsylvania
$190M
5
BFA
BlackRock Fund Advisors
California
$112M

Top Sellers

1
O
OrbiMed
New York
$17.5M
2
Millennium Management
Millennium Management
New York
$0
3
PC
Passport Capital
California
$0
4
Franklin Resources
Franklin Resources
California
$57.1M
5
EA
Emerald Advisers
Pennsylvania
$10.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
DM
26
Deerfield Management
New York
$18.6M +$4.81M +6,023 +35%
Alyeska Investment Group
27
Alyeska Investment Group
Illinois
$18.3M +$18.3M +22,859 New
O
28
OrbiMed
New York
$17.5M -$55.7M -69,635 -76%
Goldman Sachs
29
Goldman Sachs
New York
$16.4M +$4.99M +6,242 +44%
Invesco
30
Invesco
Georgia
$15.7M +$1.51M +1,885 +11%
CCI
31
Columbus Circle Investors
$15.4M +$4.75M +5,940 +45%
UBS AM
32
UBS AM
Illinois
$14.3M -$623K -780 -4%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$12.8M +$721K +902 +6%
FCM
34
Frontier Capital Management
Massachusetts
$12.4M +$5.95M +7,446 +92%
Susquehanna International Group
35
Susquehanna International Group
Pennsylvania
$10.5M +$2.22M +2,772 +27%
EA
36
Emerald Advisers
Pennsylvania
$10.2M -$12.9M -16,105 -56%
JPMorgan Chase & Co
37
JPMorgan Chase & Co
New York
$9.77M +$3.74M +4,684 +62%
BIM
38
BlackRock Investment Management
Delaware
$9.74M +$229K +286 +2%
Mitsubishi UFJ Trust & Banking
39
Mitsubishi UFJ Trust & Banking
Japan
$9.7M +$157K +196 +2%
Charles Schwab
40
Charles Schwab
California
$9.54M +$870K +1,089 +10%
TCIM
41
TIAA CREF Investment Management
New York
$9.13M +$1.27M +1,588 +16%
Morgan Stanley
42
Morgan Stanley
New York
$9.05M +$5.92M +7,401 +189%
PAMU
43
Pictet Asset Management (UK)
United Kingdom
$8.94M +$6.28M +7,864 +237%
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$8.8M -$768K -961 -8%
CS
45
Candriam SCA
Luxembourg
$8.45M +$6.29M +7,874 +291%
Bank of America
46
Bank of America
North Carolina
$8.32M +$647K +809 +8%
Axa
47
Axa
France
$8.09M -$2.01M -2,510 -20%
RI
48
RTW Investments
New York
$7.56M +$2.15M +2,690 +40%
EMFAT
49
Emerald Mutual Fund Advisers Trust
Pennsylvania
$7.44M -$12.5M -15,694 -63%
TA
50
Teachers Advisors
New York
$7.23M -$2.13M -2,659 -23%
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