Costanoa Ventures

Alation provides an Agentic Data Intelligence Platform that helps organizations scale and accelerate the delivery of AI and data initiatives, focusing on building trusted AI and applications with trusted data.

Midship's AI autonomously performs SOX testing & beyond, automating the full SOX testing lifecycle, collecting evidence, performing control testing, and generating audit-ready workpapers.

Marble Health offers personalized therapy for students through virtual appointments with licensed therapists. They focus on providing quick access to mental health care for teens and families, accepting most insurances including Medicaid.

StackHawk is a complete runtime application and API security testing platform that helps organizations find and fix vulnerabilities in their applications and APIs.

Tensec provides real-time, smart cross-border payments and financial solutions for international trade companies, trade compliance consultants, global investment firms, and FX brokers. Their platform consolidates FX, cross-border payments, and transaction banking services into one solution.

SGNL is a Continuous Identity Platform that integrates with existing identity and security solutions to provide real-time access management and eliminate standing privileges for both human and AI agents.

Lively offers flexible employee benefits and Health Savings Accounts (HSAs) for brokers and businesses, focusing on long-term health savings and pre-tax health reimbursements.

Vannevar Labs builds AI systems for defense, focusing on battlefield information dominance, homeland security, and intelligent statecraft to ensure national security and strategic deterrence.

Series B investor (~$15M checks) acting as venture coaches—former Twitter, Google, and Facebook execs who avoid board seats and help founders build sales organizations and revenue operations.

Community ally fund allocating 50% of profits to mental-health philanthropy with founder voting. Favors founders who are experienced psychonauts and experiments with hybrid charity-venture financing.

Operator-led firm that writes lead checks, keeps an unusually small portfolio, and provides hands-on go-to-market support for companies rewiring financial and data infrastructure.