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NISA INVESTMENT ADVISORS, LLC

Position in UPB — Upstream Bio, Inc.

CIK 937615 ST. LOUIS, MO

Position in UPB

as of Mar 31, 2026 · filed Apr 30, 2026
Position Value
$176,022
+$165,162 QoQ
Shares Held
19,558
+4789.5% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.00%
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

NISA INVESTMENT ADVISORS, LLC holds $80,192,979 across 242 Biotechnology names. UPB ranks #30 (0.2% 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
2026-03-31 $176,022 19,558
2025-12-31 $10,860 400
2025-09-30 $1,805 96
2025-06-30 $1,054 96
2025-03-31 $832 136