Skip to main content

MetLife Investment Management, LLC

Position in UPB — Upstream Bio, Inc.

CIK 1529735 Whippany, NJ

Position in UPB

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$174,420
-$359,837 QoQ
Shares Held
19,380
-1.5% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
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 Mar 31, 2026

MetLife Investment Management, LLC holds $374,503,407 across 207 Biotechnology names. UPB ranks #164 (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
2026-03-31 $174,420 19,380
2025-12-31 $534,257 19,678
2025-09-30 $408,007 21,691
2025-06-30 $238,167 21,691
2025-03-31 $67,528 11,034
2024-12-31 $181,398 11,034