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40/100
76Buffett
Packaging Corporation of America Deep Value Investment Analysis
The third-largest containerboard and corrugated packaging producer in North America, with an easy-to-understand business, solid cash flow, and rational management; but at the current price of about $218, the TTM P/E is around 26.2x and the owner earnings yield is just above 4%, leaving insufficient margin of safety, with fair value at $170-210.
42/100
Omnicom Group Inc: A Long-Term Owner's Research Report
A global advertising and marketing-services holding group; larger after merging IPG, but its financials are distorted by the deal. At roughly $74, about 11x conservative owner earnings, the valuation is moderate with no obvious margin of safety; rated Watch, with an ideal entry point in the low-to-mid $60s.
33/100
21Buffett
Southwest Airlines Co.: A Value-Investing Deep Dive
A first-tier U.S. low-cost carrier with real evidence of turnaround progress in 2026 Q1, yet the industry's ROIC sits below its WACC, the moat is thin, and free cash flow has been negative for years. At roughly $43.31 a share and a 28.9x P/E, the stock already trades near the top of fair value with too little margin of safety. Rating Watch: priced for a turnaround that is only beginning to prove itself.
44/100
59Buffett
Labcorp Holdings: A Value-Investing Deep Dive
One of the two dominant players combining a scaled clinical-testing network with biopharma laboratory services; cash flow is real, but pricing power is constrained by payers and regulation. At roughly $262.75 the stock sits inside a fair-value band of $220-280 with no obvious margin of safety, so the rating is Watch, with an ideal buy range of $180-210.
44/100
83Buffett
Expeditors International Deep-Dive Value Research
An asset-light freight-forwarding leader with no long-term debt, sustained buybacks that shrink the share count, and ROIC around 73.7%; at roughly $158.96 and a TTM P/E near 25.7x, the stock sits between fair and optimistic value with an insufficient margin of safety, so we rate it Watch.
46/100
43Buffett
Equifax Inc. Deep Value Investment Research Report
Equifax is a high-barrier data infrastructure company with a deep moat in The Work Number. The core thesis is that its cloud and security overhaul has largely finished, cash flow is improving, but the current price leaves limited margin of safety. Research rating Watch: at about $163.84, the stock sits near the lower end of fair value, while a fair buy range is $130 to $145.
41/100
74Buffett
Quest Diagnostics: A Long-Term Business-Owner Investment Analysis
One of the two national clinical-lab duopolists, with steady demand and solid cash flow but weak unit pricing power; at roughly $196.2 and a trailing P/E of about 21.7x, it sits at the upper end of a fair intrinsic-value range of $180-205, leaving no clear margin of safety, so the rating is Watch.
42/100
Loews Corporation: A Value Investing Deep Dive
Loews is a diversified holding company anchored by CNA insurance and stabilized by the Boardwalk pipeline; the report assigns a Watch: asset quality is decent, parent-company net cash is about $2.7 billion, and the share count keeps shrinking, but at roughly $104.82 the discount is only limited and the margin of safety is not thick enough, with an ideal buy at $90-98.
44/100
76Buffett
West Pharmaceutical Services In-Depth Value Research Report
West makes high-validation-barrier packaging for injectable drugs—elastomer stoppers, prefilled components and the like—with a deep moat, net cash, and solid cash flow, but at $321.8 it trades at about 44x Owner Earnings, leaving little visible margin of safety; the ideal buy range is $180–240. Risks include a single customer at 15.8% of revenue, the inventory cycle, and management succession.
45/100
90Buffett
Mettler-Toledo International Inc.: A Value Investing Deep Dive
A global leader in precision instruments and services with excellent quality, but at roughly $1,161 the stock trades at about 27x P/E and about 28x conservative owner earnings, already close to the optimistic scenario, so the rating is Watch; the ideal buy range is $800-950; the main risks are competition in China and emerging markets, tariff erosion of gross margin, and buybacks at high valuations.
45/100
96Buffett
F5 Deep Value Investment Research
F5 is the leader in enterprise application delivery and security (ADC/BIG-IP): above-average quality, strong cash flow, and a net-cash balance sheet. But at roughly $388 and about 31x P/E the margin of safety is insufficient, growth carries a systems-refresh component, and the ideal buy range is $220–280.
40/100
31Buffett
Expand Energy Corporation In-Depth Value Investment Research
The largest U.S. upstream natural gas E&P producer, with improving asset quality and a strengthened balance sheet, but still a price-taker without a wide moat; at the current price of about $92.5 the margin of safety is insufficient. Rating: Watch, with an ideal buy range of $55–70.
41/100
73Buffett
Ulta Beauty: A Long-Term Value Investing Study
America's largest integrated beauty retailer, running a high-quality, cash-generative business with a real but not impenetrable moat. But at roughly $520 the stock sits near the upper bound of its optimistic valuation range, leaving an insufficient margin of safety. Rated Watch: a good company worth tracking for the long term rather than a cheap one to buy today.
41/100
88Buffett
T. Rowe Price Group: A Deep-Dive Value Investing Research Report
A leader in active asset management and retirement services; at the current price of $103.55 with a P/E of about 11x, the valuation carries a discount but the margin of safety is thin. Ideal buy range $90–100. Cautious Buy.
44/100
56Buffett
Ralph Lauren: An Investment Study from the Perspective of a Long-Term Business Owner
A premium lifestyle brand whose operations have clearly improved but whose valuation has run ahead of itself; at $370.77 the stock trades at more than 25x earnings, with an ideal buy range of $190–240, rated Watch.
39/100
71Buffett
PulteGroup Value Investing Research Report
The third-largest U.S. homebuilder, meaningfully higher quality than industry peers, still a narrow-moat cyclical stock. At $118.01 it sits close to fair value with an inadequate margin of safety. Rating Watch: a well-run operator worth tracking, not yet a buy.
41/100
67Buffett
Principal Financial Group: A Long-Term Business Owner's Perspective
A diversified retirement, asset-management, and insurance financial group with respectable capital returns. At the current $103.32, however, the price sits at fair-to-slightly-expensive levels and the margin of safety is thin. Rated Watch.
39/100
NiSource: A Deep-Dive Value Investing Research Report
A six-state regulated gas-and-electric utility with a strong moat, but capital spending devours cash and growth runs on equity issuance and debt; at $46.77 the stock already prices in optimistic data-center expectations, leaving an inadequate margin of safety. Rating: Watch.
41/100
Lennar Corporation: A Deep Value Investing Analysis
The second-largest U.S. homebuilder, with a sturdy balance sheet but operating in a highly cyclical industry with a weak moat. At about $89.75 — roughly 1x book value — the stock is neither expensive nor cheap. Rated Watch.
52/100
93Buffett
Corpay: A Value Investing Deep Dive
An embedded B2B payments and spend-control platform with strong cash generation, but at roughly $352 it trades near 20x owner earnings, leaving too thin a margin of safety. Rating Watch: a high-quality compounder priced for near-flawless execution rather than for downside protection.
49/100
89Buffett
Rollins Deep Value Investment Research Report
Rollins is the pest-control leader with exceptional business quality, recurring revenue, low capital intensity, and durable cash generation. The core thesis is that Orkin, national density, standardized operations, and disciplined acquisitions make it a rare long-term compounder, while a roughly 45x earnings multiple already prices in many years of strong growth. Rating Watch: a high-quality company, but the ideal buy range is $35 to $42.
43/100
87Buffett
Williams-Sonoma: In-Depth Value Research Report
A high-quality home retailer with exceptionally strong cash flow and capital returns. But at $205.6 a high-quality premium is already priced in and the margin of safety is thin, pulling the ideal buy back to $150–175. Rating Watch: an excellent business at a fair price rather than an obviously cheap one.
47/100
W. R. Berkley Corporation Research from a Long-Term Business Owner's Perspective
W. R. Berkley is a high-quality commercial P&C insurer with strong underwriting discipline and ROE above 20% for four consecutive years. The core thesis is attractive business quality, disciplined capital allocation, and durable specialty-insurance execution, offset by a 2.46x P/B valuation that already embeds a quality premium and leaves limited margin of safety. Research rating Watch: a fair buy range of USD 50-58 looks more appropriate for balanced, moderately conservative investors.
44/100
WTW: An Investment Analysis from a Long-Term Business Owner's Perspective
A global professional-services platform with solid cash flow and an above-average moat. At around $252 the stock already sits near fair value with an insufficient margin of safety, making it a good business at a reasonable price rather than an obvious bargain; the ideal buy range is $210–235. Rating: Watch.