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Prosight Management, LP

Position in UPB — Upstream Bio, Inc.

CIK 1617201 DALLAS, TX

Position in UPB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$2,170,107
New position
Shares Held
241,123
first reported quarter
Ownership
0.443%
of shares outstanding
% of Portfolio
0.36%
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

Prosight Management, LP holds $368,598,367 across 29 Biotechnology names. UPB ranks #19 (0.6% 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 $2,170,107 241,123