Quartus Investment Advisors LLC
SEC-registered investment adviser.
- Website
- https://quartuscap.com
- HQ
- NY
Quartus Investment Advisors LLC, also known as Quartus Capital Partners, says it identifies and invests in a small number of growth-stage AI and technology ventures and aims to turn them into market leaders using its growth and performance improvement expertise. The team includes partners Tim Tang, Sophia Yang Gao, and Rizwan Muhammad, and principal Barry Day, who focuses on cleantech, energy, chemicals and materials investments.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Growth | Not enough dated deals |
| Sectors | Cybersecurity, Fintech, Healthtech, Edtech | Not enough dated deals |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Quartus AI Fund II LP | 2025 | $45.04M to $150M (Form D) | Raising |
| Quartus AI Holdings LP | 2025 | $72.82M to $100M (Form D) | Raising |
| Arcis Technology Growth Fund LP | 2021 | $13.22M to $100M (Form D) | Late investment period |
| Quartus AI Fund LP | 2020 | $50.26M to $100M (Form D) | Follow-ons only |
03 · People across funds
- Afzal Tarar, Managing Partner of the General Partner
Quartus AI Fund II LP (Named on Form D); Quartus AI Holdings LP (Named on Form D); Arcis Technology Growth Fund LP (Named on Form D); Quartus AI Fund LP (Named on Form D)
- Barry Day, Principal
Quartus AI Fund II LP (Team); Quartus AI Holdings LP (Team); Arcis Technology Growth Fund LP (Team); Quartus AI Fund LP (Team)
- Rizwan Muhammad, Partner
Quartus AI Fund II LP (Team); Quartus AI Holdings LP (Team); Arcis Technology Growth Fund LP (Team); Quartus AI Fund LP (Team)
- Sophia Yang Gao, PhD, CFA, Partner
Quartus AI Fund II LP (Team); Quartus AI Holdings LP (Team); Arcis Technology Growth Fund LP (Team); Quartus AI Fund LP (Team)
- Tim Tang, PhD, Partner
Quartus AI Fund II LP (Team); Quartus AI Holdings LP (Team); Arcis Technology Growth Fund LP (Team); Quartus AI Fund LP (Team)
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://quartuscap.com
- https://quartuscap.com/
- https://quartuscap.com/about-us
- https://quartuscap.com/strategy
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026