Value Investing Observatory

The Buffett Lens

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

Issue #21 · Weekly Stock Analysis · August 26, 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: Incyte Corporation (INCY)

Healthcare $128.12 Buffett Score: 76.7/100 Source: yfinance
Returning Pick: Previously recommended in Issue #1 (2026-02-18), with a Buffett Score of 76.6. The score has improved by 0.1 points to 76.7.
Data Quality Notice: Source=yfinance; only 7 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

Investing in a company like Incyte feels a bit like backing a careful inventor who turns ideas in the workshop into steady tools that folks rely on year after year. The business has moved from early discovery work into selling medicines that treat serious blood conditions and cancers, showing real progress in turning research into cash flow that grows over time.

This outfit lines up well with the kind of economic performance I favor. Its latest return on equity sits at 25.4 percent, and the five-year average holds near 18.5 percent, all while carrying almost no debt relative to equity. That combination lets earnings compound without the drag of heavy interest costs or accounting tricks. Revenue has climbed from near zero to solid billions over recent quarters, and net income has followed a similar path, reaching 1.6 billion dollars over the last twelve months. Patent protection and research know-how give it a respectable moat score of about seventy, shielding the main products from quick copying much like a well-built fence keeps the livestock in. Management has delivered these results through focused execution rather than flashy moves, and the modest insider ownership still keeps skin in the game while institutions hold the bulk of shares.

Of course, no business sails without some rough water. Drug development carries the risk that a promising candidate may stumble in trials or face new competitors once patents eventually fade. The company leans on a handful of key medicines, so any setback in those areas could slow growth. Past gains in earnings power also came during a favorable stretch for the sector, and future results will depend on continued innovation rather than just riding industry winds.

Over the long haul, the current price around fifteen times earnings and under four times book value looks sensible for a business that can keep earning high returns on capital. Patience matters here, because the real test is whether the company sustains that equity return without stretching its balance sheet. If it does, owners stand to benefit from the intrinsic growth rather than short-term market swings.

For those looking to act on this, the ticker for Incyte Corporation on eToro is $INCY. — Buffett Bot

Trade Incyte Corporation — The ticker for Incyte Corporation on eToro is $INCY

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

Trade on eToro

Key Metrics Summary

Metric Value Buffett Threshold Status
ROE (Latest) 25.4% >15% PASS
Debt/Equity 0.01x <0.5x PASS
Gross Margin 93.7% >40% PASS
Market Cap $26.0B >$10B PASS
LTM Revenue (Last 4Q) $5.8B Positive, with YoY growth preferred PASS
LTM Net Income (Last 4Q) $1.6B Positive, with YoY growth preferred PASS

#2: Diamondback Energy, Inc. (FANG)

Energy $199.84 Buffett Score: 72.7/100 Source: yfinance
Returning Pick: Previously recommended in Issue #1 (2026-02-18), with a Buffett Score of 83.7. The score has declined by 11.0 points to 72.7.
Data Quality Notice: Source=yfinance; only 7 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 an old well on a Texas ranch that keeps drawing water even when rains are spotty. Diamondback Energy sits atop some of the best ground in the Permian Basin, where its holdings in the Spraberry, Wolfcamp, and Bone Spring formations act like that reliable aquifer. The company pulls oil and gas from those layers, turning underground reserves into cash flow over many years rather than chasing quick strikes.

This outfit has a wide moat, much like a castle protected from invaders, thanks to its large asset base and cost advantages that let it drill and produce more efficiently than many rivals. High insider ownership at 27 percent shows managers have real skin in the game, aligning their interests with owners, while institutional holders add steady oversight. Low debt relative to equity at just 0.33 times gives the business room to handle swings without undue leverage, echoing the preference for strong balance sheets over accounting tricks. Recent revenue growth to 17 billion dollars over the last four quarters and net income near 1.5 billion also hint at solid operating managers who know how to run the equipment.

Yet the numbers remind us that the business boat matters more than how hard anyone rows. The latest return on equity sits at just 3.9 percent, with a five-year average of 2.4 percent, far below the kind of consistent high returns on capital that build lasting owner wealth, especially in an inflationary world. Energy prices swing with global supply and demand, and even strong Permian positions cannot fully escape those cycles. At 38.5 times earnings the shares trade at a premium that leaves little margin if commodity conditions turn choppy for a stretch.

Over the long haul, the Permian’s scale and Diamondback’s focus could support steady production if managers keep costs in check and allocate capital wisely. Intrinsic value, not book value, will decide the outcome, and any purchase today would call for patience while waiting for better entry points or clearer proof that returns on equity can climb without extra borrowing. For those looking to act on this, the ticker for Diamondback Energy, Inc. on eToro is $FANG.

— Buffett Bot

Trade Diamondback Energy, Inc. — The ticker for Diamondback Energy, Inc. on eToro is $FANG

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

Trade on eToro

Key Metrics Summary

Metric Value Buffett Threshold Status
ROE (Latest) 3.9% >15% FAIL
Debt/Equity 0.33x <0.5x PASS
Gross Margin 46.4% >40% PASS
Market Cap $56.0B >$10B PASS
LTM Revenue (Last 4Q) $17.0B Positive, with YoY growth preferred PASS
LTM Net Income (Last 4Q) $1.5B 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.

⚠️ 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: 26.4% | Debt/Equity: 0.97x | Gross Margin: 38.6%

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: 26.4% | Debt/Equity: 0.97x | Gross Margin: 38.6%

Consider reviewing your position.

⚠️ Nucor Corporation (NUE) WARNING

Recommended in Issue #11 (2026-06-10) with score 67.4

Current score: 72.0 (+4.6 points)

ROE: 14.5% | Debt/Equity: 0.31x | Gross Margin: 15.6%

Consider reviewing your position.

⚠️ Xylem Inc. (XYL) WARNING

Recommended in Issue #11 (2026-06-10) with score 67.0

Current score: 73.0 (+6.0 points)

ROE: 9.2% | Debt/Equity: 0.29x | Gross Margin: 39.2%

Consider reviewing your position.

⚠️ Super Micro Computer, Inc. (SMCI) WARNING

Recommended in Issue #12 (2026-06-17) with score 66.4

Current score: 75.0 (+8.6 points)

ROE: 21.5% | Debt/Equity: 0.64x | Gross Margin: 10.8%

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.

eToro