Opto — Pre-Seed & Seed VC Firm
Opto is a Pre-Seed, Seed venture capital firm investing in AI / ML, Developer Tools, Climate / Energy. The firm has 13 portfolio companies in our records.
- Portfolio
- 13 companies on record
- Partners
- 14 listed
- Stage
- Pre-Seed, Seed
- Sectors
- AI / ML, Developer Tools, Climate / Energy, Enterprise, SaaS
- Check size
- Not in our records
- AUM
- Not in our records
Last verified: 2026-10-01
Pre-Seed, Seed
13+ companies
14 partners
Investment Thesis
AI-focused venture fund built around foundational technologies, infrastructure, developer tools, and specialized frameworks. The strategy is aimed at software layers that underpin enterprise AI adoption.
How Opto invests
Opto is a vc firm. The firm invests at the Pre-Seed, Seed stages, with a focus on AI / ML, Developer Tools, Climate / Energy, Enterprise, SaaS.
Opto has backed 13 companies in our records, including Mercer Advisors, ShoreHaven Wealth Partners, Cary Street Partners.
Partners & Team
Mark Machin
CEO
Jake Miller
Co-Founder
Jacob Miller
Cofounder
Don Calcagni
CIO
CIO, Mercer Advisors
Michael Durso
CEO
Co-founder, CEO, ShoreHaven Wealth Partners
Matthew Rubin
CIO
CIO, Cary Street Partners
Unknown
GP
Industry Focus
Invests In
Portfolio Companies (13)
Other
Mercer Advisors
ShoreHaven Wealth Partners
Cary Street Partners
Northeast-Patchogue, LP (CIK 0002077614)
SEC Form D filing mentioning Opto
Conway Opportunities Fund 2026, LP (CIK 0002102239)
SEC Form D filing mentioning Opto
Northeast - 26N BDC, LP (CIK 0002072378)
SEC Form D filing mentioning Opto
Northeast-Real Estate Opportunities Fund, LP (CIK 0002080110)
SEC Form D filing mentioning Opto
Fi3 Capital Private Equity 2025, LP (CIK 0002076941)
SEC Form D filing mentioning Opto
Northeast-26N BDC Feeder Fund, LP (CIK 0002077818)
SEC Form D filing mentioning Opto
Northeast-Real Estate Opportunities Feeder Fund, LP (CIK 0002080080)
SEC Form D filing mentioning Opto
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in AI / ML, Developer Tools, Climate / Energy — the sectors they actively back.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Matthew Baskir, Head of Legal.
- •A warm introduction beats a cold email. Get matched and request an intro.
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Frequently Asked Questions
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