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
76
$629K
77
$622K
78
$612K
79
$540K
80
$540K
81
$528K
82
$527K
83
$514K
84
$513K
85
$511K
86
$468K
87
$461K
88
$442K
89
$441K
90
$426K
91
$407K
92
$373K
93
$373K
94
$358K
95
$352K
96
$351K
97
$349K
98
$342K
99
$337K
100
$330K