Discover/The Full Ratchet

Investor Stories 460: The Math Behind Venture Returns, When Sizing Matters More Than Selection, and Growth Over Discounts (Wallach, Okike, Banks)

The Full RatchetFeb 19, 20268 min

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portfolio-constructionventure-returnspower-lawposition-sizinginvestment-strategy

Three seasoned investors discuss the mathematical realities of venture returns, emphasizing that portfolio construction and position sizing often matter more than picking winners. They explore how the power law nature of venture investing means even experienced investors can't reliably predict which companies will be the big winners.

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1:20· 36spersonal lesson

VC admits biggest investing mistake: it's not what you think

“What's the biggest mistake or the hardest lesson you've learned as an investor?”

1:20 / 1:56

of Time Bio Ventures. What's the biggest mistake or the hardest lesson you've learned as an investor? And what's the story behind it? The biggest mistake I've made as an investor

I I I mean, I've made many. I'd say portfolio construction, again, is the big mistake that I've run into because there's a certain win rate you're gonna have on any individual investment. And I I do believe it's just hard to know in advance. You do your best, but it's hard to know what are gonna be the winners and what are gonna be the losers.

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The Full Ratchet

personal lesson

VC admits biggest investing mistake: it's not what you think

A biotech VC reveals that portfolio construction, not individual deal selection, has been their biggest mistake as an investor. They explain why it's inherently difficult to predict winners and losers in advance, despite doing thorough due diligence.

1:20 - 1:5636s
portfolio-constructioninvestor-mistakesbiotech-investing

The Full Ratchet

framework

If you knew which startups would win, why invest in losers?

A venture capitalist explains the fundamental unpredictability of startup success, arguing that even experienced investors can't reliably predict which companies will become the rare big winners in their portfolio. The insight challenges the notion that VCs have special foresight about individual investment outcomes.

1:40 - 2:1333s
investment-selectionportfolio-strategyventure-returns

The Full Ratchet

framework

Why portfolio construction matters more than picking winners in venture

A venture investor reflects on the fundamental challenge of venture capital: no one can predict which investments will be the big winners. Since the few massive successes drive all returns, the key to venture success isn't selection ability but how you construct your overall portfolio strategy.

1:59 - 2:3435s
portfolio-constructionventure-returnsinvestment-strategy

The Full Ratchet

personal lesson

Why big winners don't matter if you size your investments wrong

An investor reflects on a crucial lesson about portfolio construction - having big winners means nothing if they aren't sized appropriately to offset the inevitable losers. The discussion highlights how proper position sizing can be more important than investment selection itself.

2:30 - 2:5727s
position-sizingportfolio-constructioninvestment-strategy

The Full Ratchet

personal lesson

Why missing power law winners should be your biggest wake up call

A VC explains how missing exceptional early-stage deals like Skype and Facebook at Insight Partners inspired the founding of 645 Ventures. He argues that in a power law world with limited massive winners, passing on exceptional companies should serve as a wake-up call for investors.

3:23 - 4:0239s
power-law-investingdeal-sourcingearly-stage-investing

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