ARCH Venture Management, LLC
An institutional investment manager in CHICAGO, IL. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026. SEC CIK 1274403.
- Reported value$1.10bn
- Positions12
Holdings: 12 positions
The filing on sec.govAs filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.
| Issuer | Class | CUSIP | Reported value$m | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Parabilis Medicines IncPBLS | COM | 698955101 | 176 | 16.0% | 6,412,780 | New+6,412,780 | |
| Beam Therapeutics IncBEAM | COM | 07373V105 | 156 | 14.2% | 4,540,132 | Unchanged | |
| Rapport Therapeutics IncRAPP | COM | 75383L102 | 155 | 14.1% | 3,728,738 | Unchanged | |
| Seaport Therapeutics IncSPTX | COMMON STOCK | 81221K108 | 137 | 12.4% | 6,294,951 | New+6,294,951 | |
| Erasca IncERAS | COM | 29479A108 | 130 | 11.8% | 7,091,557 | Unchanged | |
| VIR Biotechnology IncVIR | COM | 92764N102 | 129 | 11.8% | 12,694,163 | Reduced−222,500 | |
| Maze Therapeutics IncMAZE | COM | 578784100 | 123 | 11.2% | 4,120,053 | Unchanged | |
| Lyell Immunopharma IncLYEL | COM NEW | 55083R203 | 45.5 | 4.1% | 3,247,162 | Unchanged | |
| Generate Biomedicines IncGENB | COM SHS | 370920100 | 32.8 | 3.0% | 1,944,426 | Unchanged | |
| 10X Genomics IncTXG | CL A COM | 88025U109 | 8.4 | 0.8% | 217,834 | Unchanged | |
| Boundless Bio IncBOLD | COM | 10170A100 | 6.7 | 0.6% | 2,694,095 | New+2,694,095 | |
| Gossamer Bio Inc | COM | 38341P102 | 1.3 | 0.1% | 8,055,916 | Unchanged |
Sold out: 1 position
Held at the end of the quarter before and not reported this quarter.
| Issuer | Class | CUSIP | Reported value$ | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Q32 Bio IncQTTB | COM | 746964105 | 0.0 | 0.0% | 0 | Sold out−320,482 |
Source: SEC EDGAR, Form 13F-HR, accession 0001012975-26-000794 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.