Pacific 8 Ventures is a venture capital firm that invests at the nexus of disruptive technology platforms and healthcare, focusing on therapeutics, diagnostics, and broader health services. The firm targets seed-stage companies and prefers to be the first institutional investor.
58% of their portfolio is in Biotech & Life Sciences. Their most common stage is seed (42% of deals). Average disclosed round size is $23.1M (across 10 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Team
Ser-Chen, MD
More than 10 years of clinical experienceFaculty, Tzu-Chi University, Taiwan Past experiences include:Attending Physician, Tzu-Chi University, Taiwan
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
12 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Tolerance Bio | Seed | $20.2M | Dec 2024 |
 Tolerance | Seed | $17.2M | Oct 2024 |
 BillionToOne | Series C | $125M | Mar 2022 |
 Fauna Bio | Seed | $9M | Sep 2021 |
| FFauna | Unknown | $9M | Sep 2021 |
| BillionToOne | Series A | $15M | Mar 2020 |
| Fauna Bio | Seed | $4.1M | Apr 2019 |
| BillionToOne | Series A | $15M | Mar 2019 |
 Certainly Health | Unknown | $2M | — |
| BillionToOne | Series A | $15M | — |
| HHi.health | Series A | — | — |
| HHi.health | Seed | — | — |
Top Co-Investors
Neotribe Ventures4 shared
Libertus Capital4 shared
Hummingbird Ventures4 shared
Civilization Ventures4 shared
Y Combinator4 shared
True Ventures3 shared
HOF Capital3 shared
Fifty Years2 shared
Blossom Capital2 shared
Vibe Capital2 shared
Lifeforce Capital2 shared
BioMed Ventures2 shared
Ben Franklin Technology Partners2 shared
Columbus Venture Partners2 shared
Seedcamp2 shared
Speedinvest2 shared
Adams Street Partners1 shared
Time BioVentures1 shared
Baillie Gifford1 shared
Norwest Venture Partners1 shared
Last updated: 7 October 2026