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SEB Asset Management AB

Position in UPB — Upstream Bio, Inc.

CIK 2127509 STOCKHOLM, V7

Position in UPB

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$6,079,033
-$1,827,224 QoQ
Shares Held
878,473
0.0% QoQ
Ownership
1.60%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#14
of 148 holders
Holding Since
Mar 2026
2 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 Jun 30, 2026

SEB Asset Management AB holds $515,211,470 across 33 Biotechnology names. UPB ranks #28 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UPB

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,079,033 878,473
2026-03-31 $7,906,257 878,473