UPB

Upstream Bio Inc

70 hedge funds and large institutions have $690M invested in Upstream Bio Inc in 2024 Q4 according to their latest regulatory filings, with 70 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
70
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change
Change in
Stake
1
$118M
2
$93.6M
3
$54M
4
$44.9M
5
$40.4M
6
$37.7M
7
$37.7M
8
$36.4M
9
$33.5M
10
$25.6M
11
$18.4M
12
$18.3M
13
$16.4M
14
$16.4M
15
$15M
16
$13.2M
17
$9.86M
18
$8.66M
19
$5.97M
20
$4.95M
21
$4.93M
22
$4.78M
23
$4.06M
24
$3.95M
25
$2.96M