Series B Investors and Venture Capital Firms

Last update: June 20, 2025

Browse OpenVC's list of Series B investors and VC firms that fund growth stage startups.

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2,950 investors 

Learn more about Series B funding

The Series B round signifies startups ready for high growth. They have demonstrated sustained traction and revenue growth. At this stage, companies typically seek funding to scale operations, expand into new markets, and further develop their product suite. Series B investors, often comprising institutional venture capital firms and strategic partners, evaluate a startup's ability to capitalize on its market position and achieve significant expansion. The objective of this funding round is to provide the capital necessary for businesses to transition from early-stage success to broader, more mature market leadership.

Series B investments typically range from $10 million to $50 million, though it is highly dependent on several factors like your industry, maturity, and growth trajectory. Investors at this stage are buying into proven growth with thorough plans for scaling. Additionally, equity dilution most commonly lands between 15-25%, with lead investors often working in syndicates to pool resources and expertise.

On average, pre-seed investors take between 5% and 20% of equity, but this can vary depending on the size of the round and the valuation. The goal is to raise enough money to hit key milestones without giving away too much of your company early. Keep in mind, investors want you motivated to build, so they will often avoid taking a stake that feels excessive. If someone’s asking for 50% or more, it’s likely a red flag.

Recently, Series B investments are going to companies in SaaS, AI, fintech, healthtech, clean energy, and climate tech. Knowing where your industry fits into this landscape can help you tailor your pitch and find the right investors.

Andreessen Horowitz, General Catalyst, Khosla Ventures, and Google Ventures were some of the top investors leading Series B rounds.

OpenVC startups have raised
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