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

Top Sellers

1
O
1
OrbiMed
New York
$17.5M
2
Millennium Management
2
Millennium Management
New York
$0
3
PC
3
Passport Capital
California
$0
4
Franklin Resources
4
Franklin Resources
California
$57.1M
5
EA
5
Emerald Advisers
Pennsylvania
$10.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
CS
51
Credit Suisse
Switzerland
$6.42M +$171K +214 +3%
Point72 Asset Management
52
Point72 Asset Management
Connecticut
$5.94M +$5.94M +7,430 New
QF
53
QVT Financial
New York
$5.87M +$2.23M +2,789 +61%
Allianz Asset Management
54
Allianz Asset Management
Germany
$5.72M -$1.26M -1,571 -18%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$5.34M +$371K +464 +7%
California State Teachers Retirement System (CalSTRS)
56
California State Teachers Retirement System (CalSTRS)
California
$5.18M +$333K +417 +7%
CC
57
Casdin Capital
New York
$5.09M +$1.39M +1,737 +38%
AIM
58
ARK Investment Management
Florida
$4.67M +$4.67M +5,840 New
FLAM
59
First Light Asset Management
Minnesota
$4.4M +$229K +286 +5%
NFA
60
Nationwide Fund Advisors
Ohio
$4.36M +$66.3K +83 +2%
Dimensional Fund Advisors
61
Dimensional Fund Advisors
Texas
$4.21M +$33.6K +42 +0.8%
Voloridge Investment Management
62
Voloridge Investment Management
Florida
$4.17M +$4.17M +5,213 New
Swiss National Bank
63
Swiss National Bank
Switzerland
$4.12M +$432K +541 +12%
TD Asset Management
64
TD Asset Management
Ontario, Canada
$3.67M +$16.8K +21 +0.5%
AllianceBernstein
65
AllianceBernstein
Tennessee
$3.53M +$61.5K +77 +2%
HCMT
66
Highland Capital Management (Texas)
Texas
$3.3M +$3.3M +4,130 New
NIP
67
Nicholas Investment Partners
California
$3.28M +$206K +257 +7%
Citigroup
68
Citigroup
New York
$3.09M +$818K +1,023 +36%
OA
69
Omega Advisors
New York
$3.09M +$3.09M +3,860 New
TCM
70
Tekla Capital Management
Massachusetts
$3.05M – – –
RhumbLine Advisers
71
RhumbLine Advisers
Massachusetts
$3.03M +$102K +127 +3%
Creative Planning
72
Creative Planning
Kansas
$2.96M +$1.43M +1,784 +93%
GC
73
Guggenheim Capital
Illinois
$2.92M -$223K -279 -7%
BA
74
BlackRock Advisors
Delaware
$2.86M -$5.07M -6,347 -64%
UBS Group
75
UBS Group
Switzerland
$2.85M +$1.33M +1,663 +87%
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