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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67 hedge funds and large institutions have $236M invested in bluebird bio in 2013 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding: →

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

Holders
67
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
–
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
+$42.2M
2
+$27.8M
3
+$24.3M
4
Jennison Associates
Jennison Associates
New York
+$16.3M
5
RCM
RA Capital Management
Massachusetts
+$12.6M

Top Sellers

1
-$1.25M
2
-$425K
3
-$2.79K
Name Holding Trade Value Shares
Change 		Change in
Stake
26
$1.35M
27
$1.16M
28
$1.08M
29
$1M
30
$983K
31
$979K
32
$942K
33
$941K
34
$876K
35
$787K
36
$787K
37
$507K
38
$507K
39
$470K
40
$445K
41
$438K
42
$406K
43
$404K
44
$387K
45
$359K
46
$347K
47
$341K
48
$321K
49
$270K
50
$264K
1
2
3