Subprime Collapse 2: The Venture Capital Adventure

How mega-funds and inflated seed caps are recreating the 2007 housing crisis in Silicon Valley.

In 2007, the subprime mortgage collapse was driven by a simple, toxic combination: overinflated housing prices (driven by low interest rates) and zero-down-payment mortgages.

Because buyers put effectively no money down, when housing prices inevitably dropped, they found themselves completely underwater. They were essentially renters with a massive obligation hanging over their heads.

So, what did they do? The rational economic move. They just walked away. They let the bank take a house they bought for $1M that was now only worth $500,000.
Why pay the mortgage on that?

The exact same dynamic is playing out right now in Seed-stage venture capital.

The Setup: The “Zero-Down” VC Bet

Right now, mega-funds with billions in AUM are writing small seed checks at ridiculous, inflated valuations.

When a $3B fund writes a $3M check into an early round, that is not a core investment. It is purely an option bet. To a fund of that size, a $3M check will not move the needle even on the greatest venture return of all time.

A 1,000x return on a $3M check returns the fund 1x. That’s not just the best case, it’s the case of a lifetime.

They are simply paying the option price for the right to deploy a $50M check a few years down the road. And frankly, it means they lack the conviction to underwrite the Series A right now — something they have absolutely done at inception stage.

This isn’t about capability. When a multi-billion dollar fund writes a $25M check to lead an inception-stage round, that is a core bet. They are putting their money where their mouth is and doing the real work to underwrite a Series A. That’s what these funds are built to do.

But a $3M check from a $3B fund? That is the venture equivalent of a zero-down mortgage.

Founders beware.

The Trap: Going Underwater

You can’t fault founders for taking the money, just like you couldn’t fault homeowners in 2007. It’s a beautiful house. It’s a big, shiny fund brand and historically low dilution.

But here is how the math traps them:

Let’s say a company raises $3M at a $30M or $40M valuation cap. Two years later, they’ve ground it out to $3M in ARR. That’s incredibly solid growth for a seed-stage startup, but it is nowhere near enough to justify raising their next round at an up-round from that previous cap. Especially the way the market is behaving now - it just won’t generate the excitement for a meaningful up-round. Investors are expecting $10M within the first 18 months or it’s a bust. Patience is at an all-time low, driven by fast-moving AI takeover fears.

The company is now underwater. They need another $5M to $10M just to keep the lights on and try to grow into their valuation.

Having invested in 120+ companies in my ~13 year venture career, I am unfortunately speaking from first-hand experience. This is not just pie-in-the-sky theory on how it might play out. We’re seeing this happen right now with 2021 vintage seed deals. “This time it’s different” is a weak excuse. It’s never as different as people think it is.

The Walkaway

What does the mega-fund do? They look at an underwater asset they put effectively zero money down on. They didn’t put enough capital in to really care. Relationships are relationships, but money is money. And in most cases, even if they love the founder, they’d all rather just scrap it and start again with a clean slate. (Usually in whatever market is hot at that moment in time).

So, they walk away. They treat it exactly as what it was: an expired option bet.

What does the founder do? They look at their valuation hurdle. They look at their capitalization stack. They realize they have to climb an impossible mountain of ARR just to raise again, let alone ever see a personal return. They realize they were just an option bet, and now they are stuck.

What felt like a savvy, low-dilution play at the time, now feels like an impossible-to-climb mountain of preferred valuation.

Their motivation evaporates. So they walk away, too.
They already have the cachet, they’ll be able to raise again. Why tough it out? I honestly don’t blame them.

The Pushback: “But It’s a Power Law Game!”

When you point this out, the industry pushes back: “It’s an outlier game anyway. The big winners are all that matters.”

But inflating the entry price on an option bet is like shooting the moon on every hand of Hearts before the cards are even dealt. By pumping valuations, you take what should be an outlier outcome and mathematically reduce it to a mere double in the best case. When your massive outcome on a game-changing company is an OK-returner, you’re in trouble. (But hey, if your game is getting rich on fees, then it’s probably fine.)

Here is the brutal truth the industry has forgotten:
The Power Law is a statistical description.
It is not an investment philosophy.

The Aftermath

There are sell-side opportunities that come out of these situations - acquihires, asset sales - where the VCs get their money back and the founders make a few bucks. (I’ve been involved in a couple). But usually it’s a scraps deal that doesn’t come close to clearing the cap stack. (I’ve been involved in many more of these). The founders end up busting their butts to return a small amount of capital to people who don’t really care about it and don’t meaningfully benefit from it economically. All so they can say they “had an exit.”

The other path is a pivot, which requires an ugly recap that most investors don’t want to touch and most founders would rather skip in favor of folding and starting fresh. Economically, it’s hard to argue with that logic. Emotionally, it might be a different story.

In most outcomes, it’s brutal for founders either way.

In the 2007 housing crisis, the homeowners walked away, and the banks were left holding the bag.

In the Subprime Venture Collapse, both the VCs and the founders end up being the homeowners who walk away. But there is a bank. It's the employees - the ones who took below-market salaries in exchange for equity priced at those inflated valuations. They were sold the dream and ended up with nothing. The VCs lose an option bet. The founders lose a company. The employees lose years of compensation they will never get back without the brand equity of a successful startup. Next time you hear someone say "I am joining a unicorn," give them the warning they deserve.

So... what’s the “Big Short” of 2026?

I thought of this while I was gravel biking… check out the original video here: