Runway Growth Capital’s Venture Debt Report Shows a $68.8B Market Growing Up

According to the 2025-2026 Venture Debt Review published by Runway Growth Capital and PitchBook, U.S. venture debt reached a record $68.8B in 2025 alongside $321.6B in venture investment. The report arrives as founders face a more complex capital environment. Equity remains abundant for a select group of companies, particularly in artificial intelligence and high-growth technology sectors, but capital efficiency and dilution management have become boardroom priorities.

Runway Growth Capital, founded by David Spreng, argues that venture debt is no longer a niche financing product. The data suggests it has become a permanent layer of the startup capital stack. For founders, investors, and operators, the broader implication is clear: capital strategy is becoming as important as capital access.

What Happened

Startup funding headlines tend to behave like celebrity gossip. A massive equity round appears, social media lights up, and everyone acts like the entire market revolves around one transaction. Meanwhile, an entirely different part of the ecosystem keeps moving billions of dollars with considerably less attention. That is the backdrop behind Runway Growth Capital's latest 2025-2026 Venture Debt Review.

The Menlo Park-based growth lending firm reported that U.S. venture debt reached a record $68.8B in 2025 while venture investment climbed to $321.6B. Deal activity remained relatively stable at approximately 2,185 transactions, a signal that venture debt growth is not being driven by a handful of outsized financings. The report was produced in partnership with PitchBook, one of the most widely referenced venture capital data providers in the market.

For Runway Growth Capital, the findings align closely with its own business. The firm specializes in growth loans for venture-backed and non-venture-backed companies seeking alternatives to additional equity financing. Since inception, Runway Growth Capital says it has funded more than 90 companies and completed roughly $3B in total originations. That experience gives the firm a front-row seat to one of the more important changes happening in startup finance, where founders are becoming more selective about the type of capital they raise.

Why This Matters

The startup ecosystem spent much of the last decade treating equity capital as the universal answer. Need to hire? Raise equity. Need to expand internationally? Raise equity. Need to buy time before profitability? Raise equity. When capital was inexpensive and valuations climbed steadily, that approach made sense.

Markets changed. Interest rates changed. Investor expectations changed. Board conversations changed. The result is a generation of founders that increasingly views financing as a portfolio of tools rather than a single solution. Venture debt typically provides non-dilutive or minimally dilutive growth capital to startups and scale-ups that have already demonstrated operational traction.

The appeal is straightforward. Companies can access growth capital without immediately increasing dilution. Existing shareholders preserve ownership. Founders maintain flexibility. Businesses gain additional runway between financing events. That does not mean debt replaces equity. It means debt is increasingly being used alongside equity as part of a broader startup capital strategy.

The distinction matters because sophisticated operators are no longer asking how much money can we raise. They are asking what kind of capital actually fits the business. Those are very different questions.

Market Context

Runway Growth Capital's report arrives during a period of unusual concentration within venture capital. Capital remains available, but it is not distributed evenly. A relatively small group of companies captures a disproportionate share of investor attention, particularly in AI and adjacent infrastructure markets. That creates a strange dynamic across the startup ecosystem. The headlines suggest abundance. Many operators experience selectivity.

In that environment, venture debt becomes increasingly attractive. Companies with strong fundamentals, recurring revenue, predictable growth, or durable customer relationships often find that debt can support expansion without forcing an immediate equity event. This is one reason venture debt has expanded beyond its historical reputation.

Years ago, some market participants viewed venture debt as a bridge product or a financing option used primarily during difficult fundraising environments. Today's market tells a different story. The scale reflected in the $68.8B figure suggests venture debt is becoming institutionalized. It is moving from alternative financing category to expected financing category.

That evolution mirrors what happened in other capital markets as they matured. The products become more specialized. The participants become more sophisticated. The market becomes more durable.

Competitive Landscape

Runway Growth Capital operates in a competitive private credit environment that includes established venture lending and growth financing firms serving technology, healthcare, and innovation-driven businesses. The company's positioning centers on growth-stage lending rather than traditional venture capital investing.

That distinction matters. Equity investors are typically compensated through ownership appreciation. Lenders focus on risk-adjusted returns, underwriting discipline, and capital preservation. Those different incentives create different conversations with founders.

Runway's leadership team reflects that focus. The firm is led by Founder and CEO David Spreng alongside executives including Avisha Khubani, Chief Credit Officer, and Tom Raterman, CFO and COO. Runway Growth Capital became part of BC Partners Credit in 2025, connecting the platform to one of the larger private credit ecosystems globally.

The acquisition reflects a broader trend in which institutional private credit firms continue expanding into venture lending as startup financing becomes increasingly diversified. Venture debt is no longer viewed as a niche category. It is increasingly becoming part of a larger private capital framework.

What This Signals

The headline number in the report is not actually the most important takeaway. The deeper signal is behavioral. Founders are becoming more intentional. Investors are becoming more disciplined. Capital structures are becoming more nuanced.

The venture ecosystem is evolving beyond a period where growth at any cost dominated decision-making. That does not mean ambition has disappeared. It means efficiency now shares the stage. Companies increasingly evaluate dilution, runway, cost of capital, and strategic flexibility as interconnected variables rather than independent decisions.

Venture debt's growth reflects that change. A mature market does not rely on one source of financing. It develops options.

The Bigger Industry Shift

Technology markets are entering an era where capital allocation may become a competitive advantage. Product execution still matters. Talent still matters. Distribution still matters. But the ability to match financing strategy with business strategy is becoming increasingly important.

Runway Growth Capital's Venture Debt Review provides a useful snapshot of that transition. A record $68.8B venture debt market suggests founders are no longer choosing between debt and equity as opposing camps. They are increasingly treating both as tools within a broader financial framework.

That shift may not generate the same excitement as a blockbuster funding announcement. It may prove more important.

Frequently Asked Questions

What is venture debt?

Venture debt is a form of financing that allows startups and growth-stage companies to raise capital without issuing significant additional equity. It is commonly used to extend runway, fund expansion, and reduce dilution between equity financing events.

What does Runway Growth Capital do?

Runway Growth Capital provides growth loans to venture-backed and non-venture-backed companies seeking alternatives to equity financing. The firm focuses on supporting growth-stage businesses with flexible debt capital.

How large was the U.S. venture debt market in 2025?

According to the Runway Growth Capital and PitchBook Venture Debt Review, the U.S. venture debt market reached a record $68.8B in 2025, highlighting the growing role of debt within startup financing.

Who founded Runway Growth Capital?

Runway Growth Capital was founded by David Spreng in 2015. He currently serves as CEO and remains one of the key figures shaping the firm's investment strategy.

Why are startups using venture debt?

Startups use venture debt to fund growth, preserve ownership, reduce dilution, and create additional operational flexibility between major financing events.

What industries does Runway Growth Capital focus on?

Runway Growth Capital primarily works with growth-stage companies across technology, healthcare, and selected consumer sectors.

How does venture debt differ from venture capital?

Venture capital exchanges funding for ownership, while venture debt provides capital through lending structures that generally preserve founder and investor equity.

What does the venture debt growth trend signal?

The growth of venture debt suggests startup financing is becoming more sophisticated, with founders increasingly combining equity and debt to optimize capital strategy and long-term ownership outcomes.