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Nuveen, LLC

Position in UPB — Upstream Bio, Inc.

CIK 1871926 CHARLOTTE, NC

Position in UPB

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$586,608
-$93,216 QoQ
Shares Held
84,770
+12.2% QoQ
Ownership
0.155%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#53
of 148 holders
Holding Since
Mar 2025
6 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

Nuveen, LLC holds $4,966,990,470 across 286 Biotechnology names. UPB ranks #217 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UPB

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $586,608 84,770
2026-03-31 $679,824 75,536
2025-12-31 $2,133,121 78,568
2025-09-30 $1,314,480 69,882
2025-06-30 $811,817 73,936
2025-03-31 $138,226 22,586