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Skyscrapers from the bottom with statement in the sky saying 'Series B Investors'Skyscrapers from the bottom with statement in the sky saying 'Series B Investors'

Series B investors and VC firms across the globe

Navigating the bustling world of startup financing, Series B funding emerges as a critical juncture for growth-oriented companies aiming to scale operations, enhance product offerings, and expand market reach.

Raising a Series B round in 2025 requires more than just strong growth—investors now prioritize business fundamentals, efficiency, and market leadership. Unlike the rapid-fire funding cycles of 2021, today’s Series B investors expect startups to demonstrate substantial revenue growth, a clear path to profitability, and disciplined financial management.

This comprehensive guide spotlights the globe's elite Series B investors and venture capital firms, renowned for their strategic acumen and pivotal role in propelling promising startups into the realm of sustainable, high-impact businesses.
logos of series b stage venture capital firmslogos of series b stage venture capital firms

The Changing Landscape of Series B Funding

Gone are the days of prioritizing growth at all costs. Series B venture capital firms are now scrutinizing burn rates, margins, and unit economics before committing capital. Due diligence is more extensive than ever, with investors conducting deep customer calls, cohort analyses, and financial audits to ensure startups have sustainable growth models.

Another shift in
Series B funding has been the rise of structured deals. Following the 2022–23 downturn, many VC firms introduced investor protections like liquidation preference multiples or ratchets to bridge valuation gaps. While this trend started normalizing in late 2023, it signaled a tougher negotiating stance from investors. Additionally, venture debt has become a common tool for Series B startups looking to extend their runway without excessive dilution.

Who Are the Leading Series B Investors?

The Series B funding environment has tightened, with many Series A-backed startups struggling to secure a follow-on round. This so-called “Series B Crunch” means only the highest-performing startups are successfully raising capital. Investors expect companies to show 3–4× year-over-year growth, a strong customer base, and improving profitability metrics to attract funding.

Major Series B venture capital firms include Sequoia Capital, Andreessen Horowitz (a16z), Lightspeed Venture Partners, Tiger Global, Insight Partners, and Coatue, among others.

While hedge funds and crossover investors scaled back from venture deals after 2022, sector-focused growth investors remain active, particularly in AI, semiconductors, fintech, and deep tech.

Series B venture capital firms & investors

1/0 Capital
Founded
1999
Investments
21
Exits
2
Investment stage
Series A
Series B
Series C
Series D
Company profile
See full breakdown
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10Branch
Founded
2015
Investments
5
Exits
2
Investment stage
Series B
Series C
Company profile
See full breakdown
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10x Group
Founded
2006
Investments
84
Exits
14
Investment stage
Seed
Series A
Series B
Series C
Series D
Company profile
See full breakdown
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10x Value Partners
Founded
2018
Investments
15
Exits
1
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
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111° West Capital
Founded
2021
Investments
3
Exits
0
Investment stage
Seed
Series A
Series B
Series C
Company profile
See full breakdown
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12/12 Ventures
Founded
2020
Investments
4
Exits
0
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
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137 Ventures
Founded
2010
Investments
36
Exits
17
Investment stage
Series A
Series B
Series C
Company profile
See full breakdown
View VC Firm
14W
Founded
2010
Investments
78
Exits
13
Investment stage
Pre-Seed
Seed
Series A
Series B
Series C
Company profile
See full breakdown
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1809 Capital
Founded
2020
Investments
1
Exits
0
Investment stage
Series B
Series C
Series D
Company profile
See full breakdown
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1843 Capital
Founded
2018
Investments
11
Exits
1
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
1984 Ventures
Founded
2017
Investments
64
Exits
2
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
1confirmation
Founded
2017
Investments
30
Exits
1
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
2048 Ventures
Founded
2018
Investments
61
Exits
1
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
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2150
Founded
2020
Investments
8
Exits
0
Investment stage
Seed
Series A
Series B
Series C
Series D
Company profile
See full breakdown
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3L Capital
Founded
2017
Investments
39
Exits
4
Investment stage
Seed
Series A
Series B
Series C
Series D
Company profile
See full breakdown
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3VC
Founded
2018
Investments
20
Exits
2
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
3ig Ventures
Founded
2020
Investments
8
Exits
0
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
3one4 Capital
Founded
2015
Investments
131
Exits
9
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
43North
Founded
2014
Investments
56
Exits
5
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
4BIO Capital
Founded
2014
Investments
13
Exits
5
Investment stage
Seed
Series A
Series B
Series C
Series D
Company profile
See full breakdown
View VC Firm
500 Startups
Founded
2010
Investments
2802
Exits
337
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
5AM Ventures
Founded
2002
Investments
166
Exits
42
Investment stage
Pre-Seed
Seed
Series A
Series B
Series C
Company profile
See full breakdown
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640 Oxford Ventures
Founded
2020
Investments
7
Exits
0
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
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75 & Sunny
Founded
2020
Investments
11
Exits
0
Investment stage
Seed
Series A
Series B
Company profile
See full breakdown
View VC Firm
What is Series B capital?

Series B funding is a stage of venture capital financing where growth-oriented companies receive investment to scale operations, enhance their products, and expand market reach after showing solid traction and market fit in their early stages.

What do Series B investors look for in a startup?

Investors at this stage seek startups that demonstrate strong traction, a clear path to profitability, and a scalable product-market fit. These companies should also have the operational capabilities to execute their disruptive vision and conquer larger market shares.

How does Series B funding differ from Series A or C?

Series B funding focuses on scaling a successful business model, while Series A is often about establishing product-market fit and initial growth. Series C and later stages are typically about expanding market dominance, acquisitions, or preparing for public offering.

Can any startup apply for Series B capital?

Not all startups qualify for Series B funding. Those applying must have passed the initial growth phase, demonstrated significant user growth or revenue, and be ready to scale significantly with a solid product-market fit and a clear strategy for increased profitability.

How can a startup find the right Series B investors?

Startups should seek investors who offer not just capital but also strategic mentorship, industry connections, and resources tailored to their specific growth challenges. Networking, investor research, and leveraging existing investor relationships are crucial steps in finding the right Series B investors.