
Main Street Advisors
Santa Monica, California, United StatesFounded 1997
Main Street Advisors is a boutique investment and merchant banking firm founded in 1997 by Paul Wachter. The firm serves as a strategic advisor to and invests capital alongside influential people and businesses in media, music, entertainment, and sports, targeting minority and non-control investment opportunities across consumer products, health & wellness, IT, and financial services.
They made 2 investments in the last 12 months. Average disclosed round size is $49.0M (across 21 rounds with reported amounts).
Portfolio
16
Fund Size
$1.1B
Top Stage
Series A
Last 12 Mo
2
Team
Robert Harris
Director of Information Technology
Justin Yi
Principal
Mona Sekhon
Vice President, Investment Operations
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
22 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series A | $13M | May 2026 | |
| Series A | $13M | Jan 2026 | |
| Series B | $120M | Oct 2025 | |
| Series A | $14M | Feb 2024 | |
| Series A | $20M | Feb 2024 | |
| Series C | $75M | Sep 2022 | |
| Series B | $15M | May 2022 | |
| Series C | $75M | Jan 2022 | |
| Series A | $50M | Sep 2021 | |
| MMahana Therapeutics | Series B | $61M | Aug 2021 |
| MMahana | Series B | $81M | Jan 2021 |
| Growth | $48M | Oct 2020 | |
| Series A | $48M | Jan 2020 | |
| Series D | $30M | Aug 2019 | |
| Series D | $30M | Jan 2019 | |
| Unknown | $9M | Mar 2017 | |
| BBeautyCon Media | Series A | $9M | Jan 2017 |
| Series B | $8.1M | Jan 2017 | |
| Growth | $190M | — | |
| Unknown | $10K | — | |
| PPelage | Series B | $120M | — |
| PPelage | Series A | — | — |
Top Co-Investors
GV5 shared
YK Bioventures4 shared
Visionary Ventures4 shared
ARCH Venture Partners4 shared
SC Holdings3 shared
The Goldman Sachs Group, Inc.3 shared
Benchmark3 shared
Drake Ventures2 shared
Live Nation2 shared
Lux Capital2 shared
JAZZ Venture Partners2 shared
Icon Ventures2 shared
Kaiser Permanente Ventures2 shared
Novo Capital2 shared
TitletownTech1 shared
Wise Capital Partners LLP1 shared
Alumni Ventures1 shared
KB Partners1 shared
Verizon Ventures1 shared
Last updated: 20 October 2026