BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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104 hedge funds and large institutions have $742M invested in bluebird bio in 2014 Q2 according to their latest regulatory filings, with 41 funds opening new positions, 34 increasing their positions, 21 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
104
Holders Change
+21
Holders Change %
+25.3%
% of All Funds
2.99%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
41
Increased
34
Reduced
21
Closed
19
Calls
$6.52M
Puts
$2.68M
Net Calls
+$3.84M
Net Calls Change
+$3.91M

Top Buyers

1
DM
Deerfield Management
New York
$41.5M
2
Goldman Sachs
Goldman Sachs
New York
$12.2M
3
BFA
BlackRock Fund Advisors
California
$29.3M
4
PC
PointState Capital
New York
$10.6M
5
Vanguard Group
Vanguard Group
Pennsylvania
$15.5M

Top Sellers

1
WRF
Waddell & Reed Financial
Kansas
$0
2
PHS
PFM Health Sciences
California
$0
3
O
OrbiMed
New York
$0
4
Millennium Management
Millennium Management
New York
$5.46M
5
BA
BlackRock Advisors
Delaware
$2.34M
Name Holding Trade Value Shares
Change 		Shares
Change %
Deutsche Bank
26
Deutsche Bank
Germany
$4.07M -$169K -339 -4%
TCIM
27
TIAA CREF Investment Management
New York
$4.03M +$2.8M +5,596 +226%
Northern Trust
28
Northern Trust
Illinois
$3.59M +$115K +231 +3%
CI
29
Cowen Inc
New York
$3.56M -$456K -912 -11%
DCM
30
Driehaus Capital Management
Illinois
$3.21M -$2.32M -4,641 -42%
EAM
31
EverPoint Asset Management
Connecticut
$3.09M +$3.09M +6,176 New
EAM
32
Eventide Asset Management
Massachusetts
$2.97M +$459K +919 +18%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$2.96M +$1.78M +3,555 +150%
WMSA
34
Weiss Multi-Strategy Advisers
New York
$2.7M +$2.7M +5,404 New
BA
35
BlackRock Advisors
Delaware
$2.34M -$4.33M -8,675 -65%
BIM
36
BlackRock Investment Management
Delaware
$2.24M +$1.47M +2,948 +192%
TRSOTSOK
37
Teachers Retirement System of the State of Kentucky
Kentucky
$2.11M – – –
Geode Capital Management
38
Geode Capital Management
Massachusetts
$2.11M +$334K +668 +19%
TCM
39
Tekla Capital Management
Massachusetts
$2.1M -$749K -1,500 -26%
MSE
40
MUFG Securities EMEA
United Kingdom
$2.02M +$2.02M +4,053 New
Principal Financial Group
41
Principal Financial Group
Iowa
$2.02M +$34.5K +69 +2%
CS
42
Credit Suisse
Switzerland
$2.01M -$214K -428 -10%
CCM
43
Cupps Capital Management
Illinois
$1.99M +$1.99M +3,975 New
Bank of America
44
Bank of America
North Carolina
$1.94M -$853K -1,706 -31%
GACM
45
Green Arrow Capital Management
New York
$1.93M -$386K -772 -17%
FT
46
Fiduciary Trust
Massachusetts
$1.92M -$29K -58 -1%
California State Teachers Retirement System (CalSTRS)
47
California State Teachers Retirement System (CalSTRS)
California
$1.34M +$864K +1,730 +181%
Charles Schwab
48
Charles Schwab
California
$1.28M +$699K +1,398 +120%
Invesco
49
Invesco
Georgia
$1.26M +$1.26M +2,530 New
AllianceBernstein
50
AllianceBernstein
Tennessee
$1.12M +$1.12M +2,235 +55,875%
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