
OCA Ventures is a Chicago-based early-stage venture capital firm founded in 1999, focused on equity investments in companies with dramatic growth potential, primarily in technology and highly-scalable services businesses. The firm typically invests in Seed and Series A rounds, writing $1M–$3M checks with follow-on capacity, and focuses on enterprise software, consumer software, fintech, and digital health.
Average disclosed round size is $15.2M (across 90 rounds with reported amounts).
Portfolio
62
Fund Size
—
Top Stage
Series A
Last 12 Mo
0
Team
Dave Zyer
Venture Partner
Sarah Manasevit
Senior Associate
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
101 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| GGrayMatter | Series B | $45M | Jun 2024 |
| Series B | $49.4M | Jan 2024 | |
| Series B | $45M | Jan 2024 | |
| Series A | $9M | Oct 2023 | |
| Seed | $2.5M | Oct 2023 | |
| Series E | $29M | Jul 2023 | |
| Seed | $5M | Feb 2023 | |
| Series C | $16.4M | Jan 2023 | |
| Series A | $6M | Jan 2023 | |
| BBetty Gaming | Seed | $5M | Jan 2023 |
| Series A | $20M | Aug 2022 | |
| GGrayMatter | Series A | $20M | Aug 2022 |
| Series A | $10M | Apr 2022 | |
| RRoqad | Series A | $7M | Jan 2022 |
| GGray Matter Robotics | Seed | $4.1M | Sep 2021 |
| Seed | $3.7M | Jul 2021 | |
| Growth | — | Jul 2021 | |
| Series C | $113M | Jul 2021 | |
| GGenvid Technologies | Growth | — | Jul 2021 |
| GGenvid Entertainment | Growth | — | Jul 2021 |
| OOsso VR | Series B | $27M | Jul 2021 |
| Series A | $18M | Jun 2021 | |
| Seed | $2.5M | Apr 2021 | |
| Unknown | $6M | Apr 2021 | |
| Series A | $11.4M | Apr 2021 |
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Top Co-Investors
Valor Equity Partners13 shared
Horizons Ventures10 shared
Makers Fund10 shared
Galaxy Interactive10 shared
500 Global7 shared
Atreides Management7 shared
Third Point Ventures7 shared
XN7 shared
Lux Capital7 shared
NTT DOCOMO Ventures7 shared
Cobalt Capital7 shared
Gaingels6 shared
HLM Investment Partners6 shared
Calibrate Ventures6 shared
B Capital6 shared
3M Ventures6 shared
Service Provider Capital5 shared
Jump Capital5 shared
Swift Ventures5 shared
Pathbreaker Ventures5 shared
Last updated: 7 October 2026