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
51
$237K
52
$218K
53
$173K
54
$164K
55
$108K
56
$84K
57
$55K
58
$43K
59
$30K
60
$22K
61
$15K
62
$8K
63
$7K
64
$6K
65
$4K
66
$2K
67
$4
68
–
1 2
3