The 2020-2021 biotech "bubble" pushed very early-stage companies into public markets prematurely. The subsequent correction, though painful, has been a healthy reset. It has forced the sector back toward a more suitable, long-duration private funding model where companies can mature before facing public market pressures.

The market correctly sees biology's potential but often misunderstands its timeline. Even with AI, biology is fundamentally harder and slower than software. Daniel Fero warns this mismatch in "tempo" expectations leads to over-funding hype cycles while under-funding foundational companies that are simply moving at the pace required for rigorous biological R&D.

While staying private can offer strategic advantages, particularly for future M&A, the biotech industry lacks a mature private growth capital market. Companies needing hundreds of millions for late-stage trials have no choice but to go public, unlike their tech counterparts.

Life science investing is inherently tougher than tech because its best-case returns are around 10x, whereas tech can achieve 1000x. This means a single 10x biotech winner cannot compensate for 9 failures in a portfolio, forcing a more capital-disciplined approach to investment and risk management.

The biotech industry recently endured its own "dot-com bust." Post-COVID hype gave way to investor impatience with the sector's fundamental realities: it takes over 10 years and massive capital ($200B/year industry-wide) to get a drug approved, leading to a sharp market correction.

Unpredictable changes in FDA review processes are more destructive to biotech investment than consistently high approval standards. Investors can adapt to a stringent but stable regulatory bar, but constant changes undermine the multi-year planning and capital commitment required for drug development, causing investors to flee.

For early investors in a company like SpaceX, the decision to sell post-IPO is heavily skewed by taxes. Facing a potential 50% tax bill on massive gains means they will only sell if they believe the stock will underperform the market by that same amount. This "tax lock-in" effect reduces share supply and props up valuations.

Drug development can take a decade, a timeframe that misaligns with typical investor horizons and employee careers. Success requires navigating fluctuating capital market cycles and implementing strategies to retain key scientific talent for the long haul.

The long-dated nature of biotech investing makes it uniquely vulnerable to high interest rates. A 5% rate applied over a 10-15 year development cycle can compress valuation multiples by three to fourfold, drastically changing the financial landscape for the industry.