BLUE

bluebird bio

Delisted

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

262 hedge funds and large institutions have $2.73B invested in bluebird bio in 2020 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 86 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

19% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 57

20% less capital invested

Capital invested by funds: $3.41B → $2.73B (-$680M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
262
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
$45.9M
Puts
$49.1M
Net Calls
Net Calls Change

Top Buyers

1 +$36.6M
2 +$24.6M
3 +$18.8M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$5.77M
52
$5.61M
53
$5.46M
54
$5.39M
55
$5.18M
56
$5.16M
57
$5.07M
58
$5.01M
59
$5.01M
60
$4.96M
61
$4.77M
62
$4.68M
63
$4.11M
64
$4.11M
65
$4.05M
66
$3.7M
67
$3.53M
68
$3.5M
69
$3.49M
70
$3.49M
71
$3.24M
72
$3.19M
73
$3.09M
74
$3.02M
75
$2.92M