Upstream Bio Inc. (UPB)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1. 3,143,078 $85,334,568 -5% 11.48%
2.
Woodline Partners

Michael Rockefeller And Karl Kroeker

760,252 $20,640,842 +27% 0.08%
3. 750,000 $20,362,500 +31% 1.01%
4.
Siren L.L.C.

Raymond Debbane

588,450 $15,976,418 -26% 0.48%
5.
Nantahala Capital Management

Wilmot B. Harkey And Daniel Mack

494,971 $13,438,463 -17% 0.44%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$17.00 660,000 $11,220,000.00 4,554,873 2024-10-15 Filing
$17.00 165,000 $2,805,000.00 1,138,716 2024-10-15 Filing
$17.00 660,000 $11,220,000.00 4,554,873 2024-10-15 Filing
$17.00 165,000 $2,805,000.00 1,138,716 2024-10-15 Filing
$17.00 1,175,000 $19,975,000.00 1,175,000 2024-10-15 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 3,344,504 $90,803,284 0%
2. 2,882,647 $78,263,866 0.01%
3. 2,388,439 $64,846,119 0%
4. 1,806,243 $49,039,498 0.01%
5. 1,319,226 $35,816,986 0%
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