Venture Debt vs Equity: Runway Extension Math (2026)

Compare venture debt and equity financing — cost of capital, warrants, covenants, and when to layer debt on top of an equity round.

Venture Debt vs Equity: When to Layer Debt (2026)

Venture debt isn't a substitute for equity — it's a runway extension after a priced round. Used right, it adds 4-6 months without dilution. Used wrong, it accelerates the failure.

Venture debt fits when

You've just closed a Series A or B, have 12+ months of equity runway, and want to extend before the next round. Typical size: 25-35% of the last equity round.

Equity fits when

You need real capital to fund the next milestone, or you have no revenue predictability to service debt payments.

Terms to negotiate

Interest 8-12%, warrant coverage 1-3%, 36-48 month amortization with a 6-12 month interest-only period. Watch for MAC clauses and financial covenants.

Frequently asked questions

Which lenders should I talk to?
SVB (JPM), Hercules, Trinity Capital, and Runway Growth are active in 2026. Get 3 term sheets.
How much venture debt is safe?
25-35% of your equity round, with runway to cover principal payments.

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