BLUE

bluebird bio
BLUE

Overview Fund Trends Analyst Outlook Journalist POV
Delisted

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

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81 hedge funds and large institutions have $378M invested in bluebird bio in 2013 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 32 increasing their positions, 16 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding: →

Holders
81
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
–
Puts
–
Net Calls
Net Calls Change

Top Buyers

1
+$41.9M
2
+$33.2M
3
+$10.1M
4
BFA
BlackRock Fund Advisors
California
+$5.64M
5
FAM
Fred Alger Management
New York
+$4.98M

Top Sellers

1
-$6M
2
-$2.56M
3
-$2.1M
4
QF
QVT Financial
New York
-$2.02M
5
PAM
Panagora Asset Management
Massachusetts
-$876K
Name Holding Trade Value Shares
Change 		Change in
Stake
26
$2.06M
27
$2.02M
28
$1.94M
29
$1.86M
30
$1.58M
31
$1.44M
32
$1.33M
33
$1.24M
34
$1.15M
35
$1.09M
36
$1.07M
37
$945K
38
$779K
39
$768K
40
$758K
41
$629K
42
$586K
43
$585K
44
$539K
45
$501K
46
$499K
47
$486K
48
$420K
49
$395K
50
$394K
1
2
3 4