BLUE

bluebird bio

Delisted

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

196 hedge funds and large institutions have $996M invested in bluebird bio in 2021 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 63 increasing their positions, 60 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

49% less call options, than puts

Call options by funds: $9.13M | Put options by funds: $17.8M

55% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 58

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
196
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
$9.13M
Puts
$17.8M
Net Calls
Net Calls Change

Top Buyers

1 +$43.4M
2 +$33M
3 +$15.3M
4
AC
Armistice Capital
New York
+$12.2M
5
SC
Sessa Capital
New York
+$12.1M

Top Sellers

1 -$40.1M
2 -$37M
3 -$18M
4
DM
Deerfield Management
New York
-$15.4M
5
CS
Credit Suisse
Switzerland
-$12.1M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$1.64M
52
$1.61M
53
$1.61M
54
$1.6M
55
$1.58M
56
$1.57M
57
$1.45M
58
$1.44M
59
$1.33M
60
$1.31M
61
$1.25M
62
$1.06M
63
$1.04M
64
$999K
65
$992K
66
$959K
67
$933K
68
$822K
69
$807K
70
$801K
71
$706K
72
$706K
73
$702K
74
$696K
75
$660K