Value Investing Observatory

The Buffett Lens

"Price is what you pay. Value is what you get."

Issue #17 · Weekly Stock Analysis · July 29, 2026

This Week's Analysis

Welcome to this week's edition of The Buffett Lens, where we apply Warren Buffett's time-tested investment principles to identify stocks with durable competitive advantages, strong management, and sensible valuations.

Our quantitative model screens thousands of US-listed stocks against 26 key factors derived from Buffett's shareholder letters, including consistent earning power, high returns on equity with minimal debt, and favorable long-term prospects. The top-scoring stocks receive a detailed analysis written in the folksy, straightforward style that has characterized Berkshire Hathaway's communications for decades.

This week, we present 2 stocks that exemplify the principles of value investing.

#1: Public Storage (PSA)

Real Estate $329.44 Buffett Score: 63.9/100 Source: yfinance
Data Quality Notice: Source=yfinance; only 6 periods available (target: 8+ quarters); missing metric fields=0.

Weekly Price History

Weekly HLOC Price Chart

Revenue & Net Income

Revenue and Net Income Chart

Profitability Metrics

Profitability Chart

Financial Health

Financial Health Chart

Valuation Multiples

Valuation Chart

Buffett-Style Analysis

Picture a row of sturdy barns scattered across the countryside, each one quietly collecting rent from neighbors who need a safe spot for their overflow belongings. That image captures the essence of Public Storage, a company that owns and runs thousands of self-storage sites where customers tuck away items for months or years at a time, generating steady payments with little daily drama.

This setup aligns well with the idea that a strong business matters more than flashy management. The firm posts a return on equity near 20 percent lately, well above its five-year average of 14 percent, all while operating in a sector that benefits from prime locations and long-term leases. Those factors create a wide moat, much like a castle ringed by natural barriers that keep competitors at bay. Insider ownership at nearly 10 percent suggests the people running the place have skin in the game, and the track record of consistent revenue and net income growth over recent quarters points to reliable earning power rather than accounting tricks or heavy leverage.

Still, no investment is without its wrinkles. Debt sits at about 1.1 times equity, which adds some sensitivity if interest rates stay elevated or property values soften. The current price-to-earnings ratio around 29 times and price-to-book near 6 times leave less margin for error than one might prefer, especially since real estate can face inflationary pressures that erode real returns even when nominal figures look solid. Market swings also affect reported results, so past growth rates may not repeat.

Over the long haul, self-storage demand tends to hold steady because people always accumulate things and need places to keep them. If the company continues to find good sites and maintain its operational edge, the intrinsic value could build steadily for patient owners. Buying at today's levels would require a clear margin of safety and a willingness to hold through cycles, but the underlying economics appear sound enough to warrant watching for better entry points.

For those looking to act on this, the ticker for Public Storage on eToro is $PSA. — Buffett Bot

Trade Public Storage — The ticker for Public Storage on eToro is $PSA

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Key Metrics Summary

Metric Value Buffett Threshold Status
ROE (Latest) 20.6% >15% PASS
Debt/Equity 1.09x <0.5x FAIL
Gross Margin 72.1% >40% PASS
Market Cap $61.5B >$10B PASS
LTM Revenue (Last 4Q) $4.9B Positive, with YoY growth preferred PASS
LTM Net Income (Last 4Q) $1.9B Positive, with YoY growth preferred PASS

#2: SBA Communications Corporation (SBAC)

Real Estate $186.29 Buffett Score: 62.4/100 Source: yfinance
Data Quality Notice: Source=yfinance; only 6 periods available (target: 8+ quarters); missing metric fields=0.

Weekly Price History

Weekly HLOC Price Chart

Revenue & Net Income

Revenue and Net Income Chart

Profitability Metrics

Profitability Chart

Financial Health

Financial Health Chart

Valuation Multiples

Valuation Chart

Buffett-Style Analysis

Picture a farmer who owns the only wells in a dry county where every rancher must draw water for his herd. SBA Communications sits in a similar spot, with towers planted on prime sites that wireless carriers need to reach customers, much like those wells. The leases run long, and switching costs are high, giving the company a steady flow of rent that grows as demand for data rises.

This setup lines up with sound principles: a business that earns returns on capital without piling on debt can compound value over decades. Here the debt-to-equity ratio sits at zero, avoiding the leverage trap that can wipe out owners in tougher times. Prime locations and those locked-in contracts act as the economic moat, protecting earnings even when the broader economy slows. Management has kept operations simple and focused on infrastructure rather than chasing fads, which echoes the idea that the boat matters more than the rowing skill. With institutional ownership near full and modest insider stakes, the incentives point toward steady stewardship rather than short-term tricks.

Yet the numbers also show limits. The reported return on equity hovers at zero over recent periods, which falls short of the high-earnings benchmark that truly separates durable performers. A P/E near 23 times and an EV/EBITDA multiple of 19 suggest the market has already priced in much of the growth, leaving less margin for error if interest rates stay elevated or if carriers slow their buildouts. The moat score of roughly 55 out of 100 indicates protection but not an impregnable fortress; new technology or regulatory shifts could still erode it.

Over the long haul, the need for wireless coverage is unlikely to shrink, and patient owners can benefit as each new generation of devices and networks requires more sites. Buying at today's levels makes sense only if an investor plans to hold through the inevitable ups and downs of the market, allowing the underlying lease cash flows to work their quiet compounding. The ticker for SBA Communications Corporation on eToro is $SBAC.

— Buffett Bot

Trade SBA Communications Corporation — The ticker for SBA Communications Corporation on eToro is $SBAC

eToro is a multi-asset investment platform. Capital at risk.

Trade on eToro

Key Metrics Summary

Metric Value Buffett Threshold Status
ROE (Latest) 0.0% >15% FAIL
Debt/Equity 0.00x <0.5x PASS
Gross Margin 75.6% >40% PASS
Market Cap $19.8B >$10B PASS
LTM Revenue (Last 4Q) $2.9B Positive, with YoY growth preferred PASS
LTM Net Income (Last 4Q) $1.0B Positive, with YoY growth preferred PASS

⚠️ Watchlist Alerts: Past Picks Under Review

The following stocks from previous issues have fallen below our Buffett thresholds. We believe in accountability - when our picks deteriorate, you should know.

⚠️ Virtu Financial, Inc. (VIRT) WARNING

Recommended in Issue #5 (2026-04-08) with score 71.0

Current score: 65.0 (-6.0 points)

ROE: 0.0% | Debt/Equity: 4.12x | Gross Margin: 65.8%

Consider reviewing your position.

⚠️ Advanced Drainage Systems, Inc. (WMS) WARNING

Recommended in Issue #4 (2026-03-25) with score 80.1

Current score: 78.0 (-2.1 points)

ROE: 25.1% | Debt/Equity: 0.98x | Gross Margin: 38.3%

Consider reviewing your position.

⚠️ Advanced Drainage Systems, Inc. (WMS) WARNING

Recommended in Issue #3 (2026-03-18) with score 77.6

Current score: 78.0 (+0.4 points)

ROE: 25.1% | Debt/Equity: 0.98x | Gross Margin: 38.3%

Consider reviewing your position.

Disclaimer

This newsletter is for educational and informational purposes only and should not be construed as investment advice. The analyses presented are based on publicly available information and quantitative models. Past performance does not guarantee future results. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.

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