BLUE

bluebird bio

Delisted

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

186 hedge funds and large institutions have $182M invested in bluebird bio in 2023 Q4 according to their latest regulatory filings, with 54 funds opening new positions, 63 increasing their positions, 39 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

more ownership

Funds ownership:

3% more call options, than puts

Call options by funds: $5.42M | Put options by funds: $5.25M

33% less capital invested

Capital invested by funds: $272M → $182M (-$90.6M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
186
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
$5.42M
Puts
$5.25M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.24M
27
$2.07M
28
$2.05M
29
$2.05M
30
$1.97M
31
$1.76M
32
$1.67M
33
$1.55M
34
$1.38M
35
$1.38M
36
$1.31M
37
$1.18M
38
$1.03M
39
$1.01M
40
$960K
41
$946K
42
$870K
43
$862K
44
$847K
45
$806K
46
$736K
47
$733K
48
$724K
49
$690K
50
$690K