Arch Venture Partners IX, LLC
CIK 0001723174
10% Owner
Filings
6
Latest Mar 9, 2026
Issuers covered
4
Showing
6 of 6
Page 1
Track record
6 of 6 open-market trades scored (100% price coverage). Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).
| Horizon | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|
| 30 days | 6 | 50% | +15.4% | +25.4% | +54.2% | -33.6% |
| 90 days | 6 | 50% | -3.0% | +6.1% | +54.1% | -69.2% |
| 180 days | 5 | 0% | -41.5% | -19.5% | -19.5% | -74.5% |
| 365 days | 5 | 0% | -66.5% | -51.5% | -51.5% | -89.1% |
Issuers
Companies where Arch Venture Partners IX, LLC has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| LYEL | Lyell Immunopharma, Inc. | 2 | Mar 9, 2026 |
| VIR | Vir Biotechnology, Inc. | 2 | Jun 10, 2022 |
| BOLD | Boundless Bio, Inc. | 1 | Apr 4, 2024 |
| SANA | Sana Biotechnology, Inc. | 1 | Feb 12, 2024 |
All filings
6 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|