VC & PE Glossary
What Is Sideways Round?
Updated
Definition
A sideways round is a financing at roughly the same valuation as the prior round — flat pricing — often used when progress is solid but not strong enough to justify a step-up.
Useful for: Founders, Investors
A sideways round — also called a flat round — prices new investment near the previous round’s valuation, neither up nor down.
How it works
Companies raise when metrics improved modestly but not enough for a premium, or when market conditions compress all valuations. Existing investors often lead to avoid signaling weakness. Terms may include refreshed option pools, minor preference adjustments, or insider-heavy syndicates.
Sideways differs from a bridge — bridges are often shorter-term notes or SAFEs before a priced round — but a priced flat round can function as a runway extension.
Employee morale and option strike prices feel less pain than a down round, but dilution still occurs from new capital.
Why it matters
- Founders: Frame the narrative honestly — flat is better than running out of cash, but Series A/B leads may ask why you did not earn a step-up.
- Investors: Flat rounds preserve prior marks on paper; LPs still ask whether fundamentals support the last valuation.
Common mistake
Calling a round “sideways” when structure includes heavy ratchets or senior preferred — economic reality may be a down round in disguise.
Related ideas
Common questions
Short answers for founders, LPs, and operators