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DIMENSIONAL FUND ADVISORS LP

Position in UPB — Upstream Bio, Inc.

CIK 354204 AUSTIN, TX

Position in UPB

as of Mar 31, 2026 · filed May 7, 2026
Position Value
$720,018
New position
Shares Held
80,002
first reported quarter
Ownership
0.147%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority Sole 86% Shared 12% None 2%

Position in Biotechnology

Healthcare · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $5,003,907,830 across 224 Biotechnology names. UPB ranks #158 (0.0% 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 $720,018 80,002