BLUE

bluebird bio

Delisted

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

229 hedge funds and large institutions have $1.59B invested in bluebird bio in 2021 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 85 increasing their positions, 64 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
229
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
$25.8M
Puts
$45.8M
Net Calls
Net Calls Change

Top Buyers

1 +$47.3M
2 +$32.7M
3 +$26.4M
4
SC
Sessa Capital
New York
+$26.4M
5
CS
Credit Suisse
Switzerland
+$24.5M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$209M
2
$205M
3
$120M
4
$110M
5
$73M
6
$70M
7
$59.2M
8
$42M
9
$39.3M
10
$33.8M
11
$33M
12
$30.7M
13
$30.1M
14
$28.7M
15
$26.4M
16
$24.9M
17
$22.8M
18
$17.6M
19
$16.2M
20
$16.1M
21
$15.8M
22
$14.5M
23
$14.4M
24
$13.3M
25
$12.2M