Cockatoo guide

Full Ratchet Explained: The 2026 Guide for Australian Startups and Investors

If you’re raising capital or investing in startups this year, review your term sheets closely—full ratchet could be a game changer. Stay tuned to Cockatoo for more expert insights on Australia’s startup landscape.

Full ratchet anti-dilution clauses are making headlines again as Australia’s startup ecosystem matures and market volatility drives tough funding negotiations in 2026. Whether you’re a founder raising capital or an investor protecting your stake, understanding how full ratchet works—and how it’s being used in today’s deals—can make or break your next round.

What Is Full Ratchet and Why Does It Matter?

Full ratchet is a type of anti-dilution protection used in venture capital deals. It ensures that if a company issues new shares at a lower price than an earlier round, investors with full ratchet protection get their earlier investment price adjusted downward to match the new, lower price. This adjustment typically happens by granting them extra shares, protecting their percentage ownership from being diluted by the down round.

Full ratchet is generally considered the most aggressive anti-dilution mechanism. In contrast, the more common weighted average approach spreads dilution more evenly among all shareholders.

Why Full Ratchet Is Back on the Table in 2026

After several years of bullish growth, 2024 saw a correction in private tech valuations. According to recent data from Australia’s Venture Capital Association, down rounds increased by 22% in the past year, prompting more investors to push for full ratchet clauses. Key drivers include:

However, the Australian Investment Council has cautioned that overuse of full ratchet provisions can stifle founder incentives and make companies less attractive for future funding.

How Founders and Investors Can Navigate Full Ratchet in Today’s Market

Whether you’re negotiating a seed round or a Series B, understanding the pros and cons of full ratchet is crucial. Here’s how both sides are approaching these clauses in 2026:

For Founders:

For Investors:

Real-World Example: Full Ratchet in Action

In early 2026, a Sydney-based fintech closed a bridge round after a valuation reset. The lead investor insisted on full ratchet protection. When a subsequent down round occurred at a 40% lower valuation, the investor’s shareholding jumped from 10% to 15%, while the founders’ and employees’ stakes were heavily diluted. The company later struggled to attract new backers due to the lopsided cap table—a cautionary tale for both sides.

The Bottom Line

Full ratchet anti-dilution is a powerful tool that’s shaping Australian dealmaking in 2026, but it comes with real trade-offs. Founders should approach these provisions with care, and investors should weigh short-term protection against long-term company health. As the market evolves, transparent negotiations and balanced terms will remain key to building successful, sustainable startups.