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Altshuler Shaham Ltd

Position in UPB — Upstream Bio, Inc.

CIK 1324290 TEL AVIV, L3

Position in UPB

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$3,420,549
-$33,002,262 QoQ
Shares Held
380,061
-71.7% QoQ
Ownership
0.698%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UPB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Altshuler Shaham Ltd holds $5,376,930 across 16 Biotechnology names. UPB ranks #1 (63.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 UPB
Upstream Bio, Inc.
This page
380,061 $3,420,549

All Filings in UPB

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5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,420,549 380,061
2025-12-31 $36,422,811 1,341,540
2025-09-30 $26,650,421 1,416,822
2025-06-30 $37,270,961 3,394,441
2025-03-31 $19,799,993 3,235,293