Ownership history in VR Adviser, LLC · 5 quarters on record
This page tracks every 13F SEC filing in which VR Adviser, LLC reported a position in UPSTREAM BIO INC (UPB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | UNCHANGED | 1,169,298 | — | 0% | 1.57% | $31.7M | $27.15 |
| 2025 Q3 | REDUCED | 1,169,298 | -1,126,021 | -49.1% | 1.24% | $22.0M | $18.81 |
| 2025 Q2 | UNCHANGED | 2,295,319 | — | 0% | 1.89% | $25.2M | $10.98 |
| 2025 Q1 | UNCHANGED | 2,295,319 | — | 0% | 1.20% | $14.0M | $6.12 |
| 2024 Q4 | INITIATED | 2,295,319 | — | — | 2.59% | $37.7M | $16.44 |
As of 2025 Q4 — sorted by position size