BLUE

bluebird bio

Delisted

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

168 hedge funds and large institutions have $273M invested in bluebird bio in 2023 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 53 increasing their positions, 46 reducing their positions, and 22 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: $ → $

20% less call options, than puts

Call options by funds: $4.45M | Put options by funds: $5.56M

27% less first-time investments, than exits

New positions opened: 16 | Existing positions closed: 22

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
168
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.45M
Puts
$5.56M
Net Calls
Net Calls Change

Top Buyers

1 +$7.21M
2 +$6.83M
3 +$4.59M
4
BL
Bleichroeder LP
New York
+$3.16M
5
JFG
Jefferies Financial Group
New York
+$2.46M

Top Sellers

1 -$13M
2 -$10.9M
3 -$4.37M
4
Walleye Capital
Walleye Capital
New York
-$2.75M
5
Bank of America
Bank of America
North Carolina
-$2.52M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$557K
52
$537K
53
$506K
54
$502K
55
$494K
56
$479K
57
$478K
58
$463K
59
$411K
60
$395K
61
$358K
62
$352K
63
$347K
64
$315K
65
$300K
66
$270K
67
$268K
68
$245K
69
$240K
70
$237K
71
$204K
72
$172K
73
$169K
74
$166K
75
$163K