Mega Cap
Discount Stores
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
Walmart Inc
WMT
$847B
| $847B | $106.73 | 0.06% |
|
2
Costco
COST
$397B
| $397B | $895.31 | 0.15% |
|
Mega Cap Discount Stores Stocks at a Glance
Discount stores sell everyday merchandise at low price points across variety and general-merchandise formats. Traffic tends to hold up — or improve — in downturns as consumers trade down, making the group one of retail's most defensive, with margins resting on sourcing scale and cost discipline.
There are 2 mega cap Discount Stores stocks — companies in the Discount Stores industry with a market cap over $200B — worth a combined $1.24T.
The largest by market cap are Walmart Inc (WMT) at $847B and Costco (COST) at $397B.
Among institutional investors, Costco (COST) drew the most net new fund positions in Q2 2026: 202 funds opened new positions, taking total fund holders down 18 (0.42%) quarter-over-quarter.
- Combined market cap: $1.24T across 2 stocks.
- Mega Cap: market cap over $200B.
- Largest constituent: Walmart Inc (WMT), $847B market cap.
- Most net new fund positions in Q2 2026: Costco (COST), -18 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.