Uber Technologies — The Asset-Light Mirage Cracking Under AV Pressure

The famous investor Bill Ackman has invested heavily in Uber stock, first revealing a position in Q1 2025 with a $72-76 average buy price range. Other investors around the world are calling Uber one the most under appreciated opportunity in the market right now. But is it really?

Uber looks, at first glance, like the ideal compounder.

A global, asset-light platform.
High incremental margins.
Network effects.
Exploding free cash flow.

From a distance, it resembles the kind of business that can compound capital for a decade.

A perfect addition to our Compounder's Portfolio.

But if you look up close, it is transforming into something very different. Something we honestly don't like.

What Investors Think They Own

Uber’s platform seamlessly links riders, diners, and shippers with drivers, restaurants, and trucks through its app, capturing a 27-29% take rate on $193 billion in 2025 gross bookings. It serves over 202 million monthly active platform consumers and facilitates 13.6 billion trips —all without owning cars or warehouses, embodying pure marketplace efficiency.

The business spans three core segments:

• Mobility (rides): $97.5B gross bookings, 8.1% Adj. EBITDA margin (profit powerhouse)
• Delivery (Eats): $90.9B gross bookings, 3.9% Adj. EBITDA margin (high-growth, lower-margin)
• Freight (trucks): $5.1B revenue, −0.6% Adj. EBITDA margin (loss-making but improving)

The U.S. dominates with 51% of revenues, followed by the U.K. at 20.4%. Uber One subscriptions—spanning mobility and delivery—have fueled recent gains, driving higher engagement.

Over the years, Uber’s growth and path to profitability has been explosive:

¹Pre-tax unrealized sec. gains $1.8B. ²$6.4B US DTA release; normalized EPS is $0.95. ³$5.0B Netherlands DTA release; normalized diluted EPS is $2.44.

Net debt remains stable at ~$5.3 billion (including leases), with FCF per share at ~$4.65 by end-2025. Freight weighs on results, but mobility margins hold firm despite rising insurance costs (+$851 million from 2024-25).

Uber reigns as the world’s premier global mobility platform, holding 72% U.S. share and leading in Europe, Latin America, and Australia across 70 countries and 15,000+ cities. China remains its sole major gap, where Didi’s 95% dominance prompted a 2016 exit. In delivery, Uber Eats tops global revenue ex-China even if lags in the U.S. (23% vs. DoorDash’s 67%). Freight still trails as a cash-burning brokerage (posting a $33 million adjusted EBITDA loss in 2025) but it's improving.

As if all the above weren't enough, Uber has an observable and strengthening moat with clear network effects (more drivers reduce wait times, improving reliability, which attracts more riders, which in turn pulls in more drivers), global scale (Uber operates at a level of geographic reach no competitor has matched) and brand & trust (“Uber” is synonymous with ridesharing and in a category where safety and reliability matter, default choice has real value).

At first glance, investors are right to believe they own:

• A global demand aggregator
• With durable network effects
• Operating an asset-light model
• Generating strong and growing free cash flow

But it is here that the narrative’s foundation begins to fracture.

At a 22.6x forward P/E and a 6.2% free cash flow yield, down 25%+ from its highs (reference price $75.12, as of May 1, 2026), the market is clearly not assigning Uber a “platform multiple.”

A good degree of skepticism seems embedded in the price. But why?

The Hidden Reality

The truth is that Uber's long-term valuation framework is being increasingly challenged by a confluence of systemic and operational headwinds.

Autonomous vehicles (AVs) loom largest: Investors fear displacement by Waymo (Alphabet), Tesla, or Zoox (Amazon) which deploying at scale with their own consumer apps could bypass Uber's network in top cities, attacking the densest (and most profitable) markets. While Uber counters that AVs expand the market, with its platform boosting trips-per-vehicle by ~30% via demand density—evident in cities like San Francisco, the market seems unconvinced.

Regulatory headwinds (probably the most underrated risk perceived today) persist, with driver employee reclassification potentially hiking costs 20-30% of revenue across the U.S., EU, Mexico, and U.K (where courts and legislators continue challenging the independent-contractor model).

AI disintermediation adds another layer, as aggregators could erode direct consumer ties.

How is Uber Responding

Someone once said that the best defense is a good offense, and Uber is doing just that.

The company has committed over $10B (= 2025 entire free cash flow) to autonomous and electric vehicle initiatives, including:

• Equity stakes in AV companies
• Binding commitments to purchase tens of thousands of vehicles (Lucid 35,000+ vehicles, Waabi 25,000 passenger robotaxis exclusively deployed on Uber's platform and others)
• Investments in charging and fleet infrastructure  

The Issue

Uber was founded on a simple principle: it would own no cars, employ no drivers, and simply take a cut of each transaction.

Given Uber's commitments, that principle is now under pressure.

This is not a marginal extension of the platform.

It is a fundamental shift.

Uber is no longer just facilitating supply. It is increasingly securing it—by committing capital upfront.

And that distinction is critical.

A true platform does not need to secure supply. It attracts it.

Why This Matters

If Uber’s network effects were sufficient to guarantee its central role in an autonomous future, the leading AV players would naturally converge on its platform. Instead, the opposite dynamic is unfolding. Companies like Waymo and Tesla are pursuing direct relationships with consumers, while others maintain optionality by building their own interfaces alongside partnerships.

Uber, in this context, is not the inevitable aggregation layer. It is one participant among several, competing to remain relevant as the industry structure evolves.

Its response—committing capital to secure access to vehicles—makes strategic sense. But it also reveals something important: Uber cannot rely solely on its existing moat to guarantee its position in the next phase of mobility.

From Marketplace to Operator

The strategic implications of this shift are significant. Uber is moving, gradually but unmistakably, toward a model that includes elements of fleet ownership, infrastructure investment, and operational exposure to physical assets.

This is not a superficial adjustment.

It is a transition from a purely asset-light marketplace toward a more complex hybrid model that incorporates capital-intensive components.

And when business models change, economics follow.

The Economics Will Follow

The consequences of this transition are straightforward, even if their magnitude is uncertain.

Capital intensity is likely to increase, potentially by an order of magnitude. Free cash flow conversion, currently exceptionally high, may compress as reinvestment requirements rise. The balance sheet will take on new forms of risk, including leverage and asset depreciation. And perhaps most importantly, the valuation framework itself may need to adjust.

Markets do not assign the same multiples to asset-light platforms and capital-intensive operators. If Uber’s business mix shifts—even partially—toward the latter, some degree of multiple compression would not be surprising.

A Defensive Strategy

Uber presents its investments in autonomous vehicles as an opportunity. That is true—but incomplete.

At a deeper level, these moves are defensive.

They are designed to ensure that Uber does not lose its position in a future where:

• The customer interface could shift to AV providers
• Supply could become vertically integrated
• And data advantages accrue to those who control the vehicles

Owning or financing access to fleet solves these risks. But it does so by introducing a different set of trade-offs.

The Tension at the Core

There is an inherent tension in Uber’s positioning.

On one hand, the company argues that it is the most efficient platform for vehicle utilization and demand aggregation. On the other, it is committing billions to ensure that supply remains tied to its ecosystem.

If the platform were fully self-sustaining, such commitments would not be necessary.

This does not mean Uber is wrong. It means the future is uncertain—and that management is acting accordingly.

The Investment Question

There is a credible path where Uber executes this transition successfully. In that scenario, it could emerge as a central orchestrator of autonomous mobility, combining demand aggregation with access to supply, while ultimately offloading capital intensity to third parties.

That would be a powerful outcome.

But there is another path—one where Uber remains relevant and continues to grow, yet evolves into a more capital-intensive, lower-return business. In that case, revenues may expand, but returns on capital decline and valuation multiples compress.

This is not a binary outcome. It is a spectrum.

And that spectrum is unusually wide.

The Compounder Test

For a business to qualify as a long-term compounder, three elements are essential: predictability, high returns on incremental capital, and limited dependence on external structural shifts.

Uber increasingly falls short on all three.

Its model is evolving, its capital requirements are rising, and its long-term economics are increasingly tied to how the autonomous vehicle ecosystem develops.

This does not make it a bad business.

But it does make it a difficult one to underwrite with confidence.

Our Take

Uber today is a strong and improving company. It has real competitive advantages, meaningful scale, and a proven ability to generate cash.

But it is also a business in transition—one that is redefining its own model in response to structural change.

At current prices, the stock may well be attractive on a purely financial basis.

But the issue is not valuation.

It is clarity.

Uber is not a stable compounder. It is a transition story.

Uber may well play a central role in the future of mobility.

The real question is not whether it wins.

It is whether, in winning, it remains the kind of business that can compound capital at high rates over time.

For us at Diary of a Compounder, the range of outcomes remains too wide: Uber is a clear pass.

What We Do Instead

We look for businesses where:

• The model is already proven
• The moat is strengthening, not being redefined
• Capital allocation is predictable
• The future resembles the present—with scale

If you want to know which companies have all the features above, please consider subscribing to Diary of a Compounder.