Why Uber’s $9.8B FCF is a Mirage (and why it’s still a "Buy" at 21x Adjusted FCF)
u/Relevant-Push-2901 ·
Reddit — r/ValueInvesting
· March 07, 2026 at 19:08
· ⬆ 17 pts
· 💬 13 comments
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AI Summary
Summary
The post analyzes Uber's financials, arguing that its reported Free Cash Flow (FCF) is inflated by its growing insurance reserves, which are a future liability.
The author's thesis is that despite the misleading FCF figure, Uber is still a "Buy" due to its strong competitive moat (demand density), its tax shield from Net Operating Losses (NOLs), and its undervalued investment portfolio.
Quality assessment: This is well-researched DD (due diligence). The author references the 10-K, provides specific figures ($2.66B insurance growth, $30B NOLs), and presents a nuanced argument that acknowledges a key bear case (inflated FCF) before countering it with several bull points.
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I’ve spent the last few weeks digging into Uber’s 10-K to understand why Bill Ackman took a >15% position. Most people look at the top-line GAAP numbers, but the real story is in the Insurance Float.
**Key findings from my research:**
* **The Insurance Trap:** Uber’s Accrued Insurance Reserves grew by $2.66B in 2025. This shows up as a cash inflow, but it’s a future liability. If you strip this out, "Real" FCF is \~$7.1B.
* **The AV Narrative:** Is Waymo a threat? I argue that demand density is Uber's real moat. An AV sitting idle for 20 mins an hour destroys the unit economics—Uber’s 30-40% higher utilization is why AV players *need* to partner, not compete.
* **Utilization is King:** Even if Tesla launches a fleet, they can't match Uber’s routing efficiency. A Waymo on Uber does more trips than 99% of human drivers.
* **The Tax Shield:** With >$30B in historical losses (NOLs), Uber has a multi-year runway of nearly tax-free earnings.
* **Hidden Assets:** Don't ignore the $9B investment portfolio (Grab, Didi, Joby). Most are valued at distressed levels but offer huge long-term optionality.
I’ve written a full breakdown covering the accounting of their captive insurance and the Generational Arbitrage behind the current valuation.
**Read the full deep dive here:** [https://open.substack.com/pub/theproteavault/p/uber-the-generational-arbitrage-behind?utm\_campaign=post-expanded-share&utm\_medium=web](https://open.substack.com/pub/theproteavault/p/uber-the-generational-arbitrage-behind?utm_campaign=post-expanded-share&utm_medium=web)