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Russell Investments Group, Ltd.

Position in UPB — Upstream Bio, Inc.

CIK 1692234 Seattle, WA

Position in UPB

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$328,996
+$296,173 QoQ
Shares Held
47,543
+1203.6% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#65
of 148 holders
Holding Since
Jun 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 Jun 30, 2026

Russell Investments Group, Ltd. holds $1,504,360,847 across 308 Biotechnology names. UPB ranks #166 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UPB

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $328,996 47,543
2026-03-31 $32,823 3,647
2025-12-31 $76,644 2,823
2025-09-30 $57,069 3,034
2025-06-30 $1,614 147