Are Costco And Sam’s Club The Same Company? | Who Owns What

No, Costco is an independent public retailer, while Sam’s Club operates as a membership-warehouse division of Walmart.

You see two big warehouse clubs, two membership cards, and a lot of the same aisle math: buy bigger, pay less per unit. So it’s easy to assume they’re linked behind the scenes.

They aren’t. Costco Wholesale Corporation stands on its own as a publicly traded company. Sam’s Club sits inside Walmart Inc. as one of Walmart’s operating segments. That difference shapes how each chain reports results and rolls out changes.

What “same company” means when shoppers ask

Most people aren’t asking whether the stores feel similar. They’re asking about ownership and control: who calls the shots, who reports the profits, and who can change the rules overnight.

A few related ideas can blur together:

• Ownership: One company owns the brand and its assets.
• Parent company: A larger corporation controls a subsidiary or division.
• Public company status: Shares trade on a stock exchange, with filings that show how the business is run.
• Partnerships: Two brands can share suppliers or services without sharing ownership.

Costco and Sam’s Club can look like peers and still be unrelated owners. That’s the case here.

Who owns Costco and who owns Sam’s Club

Costco: Costco Wholesale Corporation is a standalone public company with its own board and its own public filings.

Sam’s Club: Sam’s Club operates under Walmart Inc. and reports within Walmart’s corporate structure.

If you only wanted one takeaway, it’s this: Costco isn’t owned by Walmart, and Sam’s Club isn’t owned by Costco.

Are Costco And Sam’s Club The Same Company for ownership and control

No. They compete in the same space, but they answer to different corporate owners. That leads to differences you can feel in day-to-day shopping, even when both stores sell bulk groceries and giant packs of paper towels.

Here’s the clean way to think about it:

• Costco answers to its own shareholders and board.
• Sam’s Club answers inside Walmart’s leadership structure and reports results as part of Walmart.

That’s the core. Next, let’s turn that into takeaways you can use at the register and in the return line.

How ownership shows up in the store experience

Ownership sounds like a business-class detail. It isn’t. It can shape what each chain chooses to build, cut, or keep steady.

Merchandising style and the “treasure hunt” feel

Costco is known for a tighter assortment and frequent item rotation. You’ll often see fewer choices per category, with a strong push to move high volume through a smaller set of items.

Sam’s Club can carry a wider spread in certain categories and leans into app-based tools like Scan & Go. Both rotate items, yet the rhythm can feel different from store to store.

Private-label brands and how they’re positioned

Costco’s private label is Kirkland Signature. It’s woven into the store in a way that can replace national brands in whole categories.

Sam’s Club’s private label is Member’s Mark. You’ll see it across food, household goods, and business supplies.

Returns and warranty handling

Both chains have member-friendly returns on many items, but category rules can differ, especially for electronics, major appliances, and seasonal goods.

For big-ticket buys, it pays to read the current policy on the retailer’s own site before you load the cart.

Gas, pharmacies, and add-on services

Many locations offer fuel stations, optical centers, and pharmacies. Coverage varies by region and store size.

When a service matters to you, checking your local club’s page beats guessing from a friend’s experience in another state.

Fast facts comparison to settle the “same company” question

This table sticks to ownership and reporting—details that don’t change because of a coupon cycle.

Point	Costco	Sam’s Club
Corporate owner	Costco Wholesale Corporation	Walmart Inc.
Structure	Standalone public company	Division inside a larger public company
Where results are reported	Costco’s own quarterly and annual filings	Included within Walmart’s reporting
Public stock ticker	Yes (Costco’s own listing)	No separate listing for Sam’s Club
Main private label	Kirkland Signature	Member’s Mark
Typical store positioning	High volume, curated assortment	Warehouse club with strong app tools
Corporate headquarters	Issaquah, Washington (Costco corporate)	Bentonville, Arkansas (Walmart corporate)
Proof sources to check	Costco investor filings and SEC EDGAR listing	Walmart investor filings and Walmart corporate Sam’s Club page

What filings tell you without reading the whole report

You don’t have to read hundreds of pages to confirm who owns what. A few official pages settle it in minutes, and they’re the best sources for a topic like this.

Costco publishes its public filings on its investor site under Costco Wholesale Corporation SEC filings, which shows that Costco files under its own name.

Walmart publishes its annual report filings on its investor site under Walmart Form 10-K SEC filings, which include Sam’s Club results inside Walmart’s reporting.

Walmart’s corporate “about” pages also describe Sam’s Club as a division of Walmart Inc., which matches how it shows up in Walmart’s reporting.

For a regulator-run cross-check, the SEC lists Costco under its own issuer record on the SEC EDGAR entity page for Costco.

Does Sam’s Club have its own stock?

No. If it were a separate public company, you’d see a separate ticker and standalone annual filings under that entity.

Instead, Walmart’s filings cover the whole company, with Sam’s Club shown as part of the business.

Does Costco report under Walmart?

No. Costco files under its own corporate identity, separate from Walmart.

That’s visible in Costco’s investor filings list and in the SEC’s EDGAR listing under Costco’s name.

Do they share leadership teams?

No. Each chain has its own executives.

Sam’s Club leadership sits inside Walmart’s corporate structure, while Costco leadership sits within Costco’s own structure.

Where the two clubs feel similar and why that doesn’t mean shared ownership

Some overlap comes from the business model itself. Membership clubs often converge on the same playbook because the math works.

Bulk buying and unit-price wins

Both clubs push larger pack sizes and multi-packs because it lowers handling costs per unit. That can translate into lower shelf prices, especially on high-turn items.

Limited-time specials and seasonal swings

Warehouse clubs love seasonal pallets: patio sets, holiday treats, back-to-school snacks. Those cycles show up at both stores because shoppers buy them.

Third-party brands and shared suppliers

They can carry the same national brands because those brands sell everywhere. They can also buy from the same suppliers without being the same company.

Supplier overlap is common in retail, even between fierce competitors.

Table of practical differences that matter at checkout

Ownership is the headline. Shopping is the day-to-day. Use this as a quick way to map the clubs to your habits.

If you care most about…	Costco tends to fit	Sam’s Club tends to fit
Curated picks that rotate often	Yes, with a tighter assortment	Sometimes, with wider category spread
App-first shopping tools	Some tools, varies by market	Strong app features like Scan & Go
Store brand presence	Heavy Kirkland Signature footprint	Heavy Member’s Mark footprint
Buying for a small business	Works well for many staples	Works well, also business-oriented
Regional store access	Depends on your area	Depends on your area
Comparing a single item’s unit price	Often strong on house staples	Often strong, varies by category

Small checks you can do before you choose a membership

If you’re deciding between the two, you don’t need a long debate. A few checks can save you from paying for a card you barely use.

Compare the items you buy every week

Make a list of ten staples: the coffee you drink, the diapers you buy, the pet food your dog tolerates, the detergent you stick with.

Then compare pack size and unit price in person or online. Bulk pricing swings by brand and region.

Check your drive time and parking reality

Warehouse clubs pay off when you visit regularly. If one location is a hassle to reach or park at, you may skip trips and lose the value of membership.

Look at services you’ll use monthly

Fuel, optical, and pharmacy can change the math. If one club is on your commute, that convenience can outweigh small price gaps in the snack aisle.

Read the current membership terms

Membership perks and renewal terms can change. Reading the current details on the retailer’s site helps you avoid surprises.

Once you join, set a calendar note for renewal week so you can reassess before auto-renew hits.

Common myths that keep this question alive

These pop up all the time. Clearing them up makes the ownership picture less fuzzy.

“They sell the same brands, so one must own the other”

Retailers share brands because brands want distribution. You’ll see the same cereal, batteries, and paper goods in many chains.

“The stores look alike, so they’re linked”

High ceilings, pallets, and concrete floors are standard warehouse design. It’s a cost choice, not a corporate family tree.

“Membership rules feel similar, so they must be run together”

Membership rules often converge because they protect margin and reduce abuse. Two separate companies can reach similar rules for the same reason.

How we verified ownership without guessing

This article relies on primary corporate sources: investor filing pages and corporate “about” pages. Costco’s investor site lists filings under its own company name, Walmart’s investor site lists Walmart’s filings, and Walmart’s corporate page states Sam’s Club is a division of Walmart.

The SEC’s EDGAR listing for Costco provides an extra confirmation layer from a regulator-run database.