Costco Wholesale Corporation (COST)
Costco runs a membership warehouse-club model that earns much of its profit from annual membership fees rather than product markups. High renewal rates and bulk pricing have built a loyal customer base.
COST vs DLTR: how the two businesses compare
- Bigger business: COST, with $275.2B of yearly revenue, about 14× DLTR's $19.4B.
- More profitable: DLTR keeps 7 cents of each sales dollar as profit, against 3 cents at COST.
From each company's latest annual SEC filing. Fiscal years can end on different dates.
Costco Wholesale (COST) is the larger business by reported revenue: $275.2B in its fiscal year ended Aug 2025, about 14× DLTR's $19.4B (fiscal year ended Jan 2026). COST's net margin was 2.9% and DLTR's 6.6%. Both file with the SEC under the same industry code, SIC 5331 (Retail-Variety Stores).
Figures come from each company's own SEC filings. This page compares the businesses; it is not a price target or a verdict.
- Consumer Staples
- Retail-Variety Stores
- Same classification
- Different
- COST August 30 · DLTR January 30
- Oct 7, 2026
COST vs DLTR: quick comparison
| Company fact | COST | DLTR |
|---|---|---|
| Company | Costco Wholesale Corporation | Dollar Tree, Inc. |
| Exchange | NASDAQ | NASDAQ |
| Headquarters | Issaquah, Washington | — |
| Founded | 1983 | — |
| SEC industry | Retail-Variety Stores | Retail-Variety Stores |
| Fiscal year-end | August 30 | January 30 |
| Latest annual filing | 10-K · 2026-10-07 | 10-K · 2026-03-16 |
COST vs DLTR: audited financials
- Scale: COST's $275.2B of revenue is about 14× DLTR's $19.4B.
- Net margin: DLTR kept 6.6% of revenue as net income versus 2.9% at COST.
- Periods: the fiscal years end about 5 months apart (2025-08-31 for COST, 2026-01-31 for DLTR), so each figure reflects somewhat different demand and cost conditions.
| Metric | COST | DLTR |
|---|---|---|
| Revenue | $275.2B2024-09-02 to 2025-08-31 · SEC filing | $19.4B2025-02-02 to 2026-01-31 · SEC filing |
| Net income | $8.1B2024-09-02 to 2025-08-31 · SEC filing | $1.3B2025-02-02 to 2026-01-31 · SEC filing |
| Operating cash flow | $13.3B2024-09-02 to 2025-08-31 · SEC filing | — |
| Diluted EPS | $18.212024-09-02 to 2025-08-31 · SEC filing | $6.222025-02-02 to 2026-01-31 · SEC filing |
| Net margin | 2.9%2024-09-02 to 2025-08-31 · SEC filing | 6.6%2025-02-02 to 2026-01-31 · SEC filing |
COST: FY ending 2025-08-31 · DLTR: FY ending 2026-01-31. Figures as tagged in each issuer's SEC XBRL filing; fiscal calendars may not align.
Where COST and DLTR overlap, and where they don't
Overlap
- Same SEC industry: both report under SIC 5331, Retail-Variety Stores.
- Shared research theme: Economic trends.
Differences
- Offset fiscal calendars: COST's year ends August 30 and DLTR's January 30, about 5 months apart.
- Only DLTR maps to Tariffs & trade.
- Scale: COST reported about 14× the annual revenue of DLTR.
Overlap is drawn from SEC classifications and Yield Theory research themes. It is not evidence that the companies sell to the same customers or compete product for product.
Dollar Tree, Inc. (DLTR)
Dollar Tree runs discount variety stores selling merchandise at low fixed price points.
What moves each company
Company-specific drivers maintained by Yield Theory. Use them to decide which filing deserves deeper work; they are not predictions.
What moves COST
- Membership fee revenue, renewal rates, and Executive member penetration
- Comparable warehouse sales and new warehouse openings
- Concentration in U.S. and Canadian operations, particularly California
- Kirkland Signature penetration and gross margin management
What moves DLTR
We have not yet published a company-specific driver list for DLTR. The primary source is Item 1 (Business) and Item 1A (Risk Factors) of its 10-K filed 2026-03-16.
The investment question
You now know COST reports about 14× DLTR's revenue, and DLTR keeps more of each dollar as net income. Those are the facts. The investment question is what each share price already assumes about their exposure to economic trends, including “Membership fee revenue, renewal rates, and Executive member penetration” at COST, and which evidence in the next filings would prove that assumption wrong.
Members-only research
Members-only research on COST and DLTR
- Newmont and the gap between a gold rally and shareholder cash
Whether Newmont’s portfolio simplification and cost control could turn stronger gold economics into cash, as the evidence stood on February 23, 2026.
- Issue 05: NVIDIA Is Building the Credit Market for AI
NVIDIA has found a way to turn knowledge of its own roadmap into a lower cost of capital for its customers. The result could move AI infrastructure from venture equity into private credit, insurance balance sheets and securitized debt.
The thesis, the numbers behind it, and what would break it. Full access is $39 a month.
Read the full researchSEC filing comparison and disclosure evidence
Start with primary filings because fiscal calendars and accounting presentation can make superficially similar quarters incomparable. COST's fiscal year ends August 30, while DLTR's ends January 30. Normalize the reporting periods before comparing growth, margins, capital intensity, or guidance.
The current verified House and Senate snapshot contains 33 matched transaction rows for COST and 6 matched transaction rows for DLTR. These delayed, range-based disclosures can identify a filing to inspect; they do not establish motive, conviction, or a real-time trading signal.
COST primary filings
DLTR primary filings
What this comparison cannot tell you
This page does not contain licensed live prices, a valuation model, earnings estimates, portfolio constraints, or a forecast of future returns. SEC classifications can be broad, company descriptions can lag strategic change, and the latest annual filing may predate a material acquisition or divestiture. Read subsequent quarterly and current reports before making a decision.
A stronger business is not automatically the better stock. Starting valuation, expectations, capital structure, cyclicality, dilution, and the probability of each thesis determine the investment outcome. Use this comparison to frame the work, then verify the numbers in the linked filings and current company disclosures.
COST vs DLTR FAQs
Are COST and DLTR direct competitors?
Costco Wholesale and Dollar Tree share the SEC industry classification “Retail-Variety Stores.” That makes the operating comparison relevant, but it does not prove that every product, customer, or revenue stream competes directly.
Is COST or DLTR the bigger company by revenue?
Costco Wholesale (COST) is the larger business by reported revenue: $275.2B in its fiscal year ended Aug 2025, about 14× DLTR's $19.4B (fiscal year ended Jan 2026). COST's net margin was 2.9% and DLTR's 6.6%. Both file with the SEC under the same industry code, SIC 5331 (Retail-Variety Stores). Each figure is the annual amount tagged in the company's own SEC XBRL filing; market value depends on live prices, which this page does not publish.
Which is better, COST or DLTR?
There is no context-free winner. Compare the operating exposures, filing evidence, valuation, balance sheet, and risks against the specific thesis you are testing. This page deliberately does not turn a static profile into a buy or sell recommendation.
Does this COST vs DLTR comparison include live prices?
No. Yield Theory does not republish unlicensed real-time market data. The financial figures on this page are the audited annual numbers Costco Wholesale Corporation and Dollar Tree, Inc. tagged in their SEC XBRL filings. Use a regulated broker or licensed quote provider for current prices and valuation multiples.
Where does the company information come from?
Company classifications, fiscal year-ends, and filing links come from the SEC EDGAR submissions API snapshot refreshed 2026-11-09. Business summaries and research themes are maintained by Yield Theory.
Data snapshot: SEC EDGAR submissions API, refreshed 2026-11-09. Independent educational research; not investment advice.
Which business differences matter to the investment thesis?
COST vs DLTR compares reported results. The reports below show how we connect operating evidence to an investment thesis, its assumptions, catalysts, and risks. $39/month or $249/year.
Members-only research
$39/mo or $249/yr · cancel future renewals anytime · sources included