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Jump Financial, LLC

Position in UPB — Upstream Bio, Inc.

CIK 1831577 Chicago, IL

Position in UPB

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$2,874,600
New position
Shares Held
319,400
first reported quarter
Ownership
0.587%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Jump Financial, LLC holds $252,735,811 across 133 Biotechnology names. UPB ranks #27 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UPB

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-03-31 $2,874,600 319,400