COST vs. MU: Costco Wholesale vs. Micron Stock Comparison
How do Costco Wholesale (COST) and Micron (MU) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Costco Wholesale (COST) is classified in the Consumer Staples sector (Consumer Staples Distribution & Retail), whereas Micron (MU) belongs to Information Technology (Semiconductors & Semiconductor Equipment) — their GICS classifications point to very different parts of the market.
| Profile Item | COST | MU |
|---|---|---|
| Name | Costco Wholesale Corp | Micron Technology Inc. |
| Country/Region | United States | United States |
| GICS Sector | Consumer Staples | Information Technology |
| GICS Industry Group | Consumer Staples Distribution & Retail | Semiconductors & Semiconductor Equipment |
| GICS Industry | Consumer Staples Distribution & Retail | Semiconductors & Semiconductor Equipment |
| GICS Sub-Industry | Consumer Staples Merchandise Retail | Semiconductors |
| Market Capitalization | 466.86 billion USD | 780.68 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | July 9, 1986 | June 1, 1984 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | COST | MU |
|---|---|---|
| Total Return (1Y) | 14.87% | 208.53% |
| Total Return (3Y, Annualized) | 24.84% | 115.89% |
| Total Return (5Y, Annualized) | 16.92% | 58.28% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
Micron (MU) carries a highly aggressive beta of 2.44, indicating much higher sensitivity to broad-market moves, whereas Costco Wholesale (COST) is closer to market-like at 0.84 — a noticeable difference in market-sensitivity profile.
| Metric | COST | MU |
|---|---|---|
| Volatility (1Y, Annualized) | 20.30% | 83.85% |
| Beta (5Y) | 0.84 | 2.44 |
| Max Drawdown (5Y) | -31.40% | -57.63% |
| Avg. Volume (3M) | 2.15M | 27.63M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | COST | MU |
|---|---|---|
| Sharpe Ratio (1Y) | 0.52 | 2.44 |
| Sortino Ratio (1Y) | 0.77 | 3.87 |
Profitability
ROE (TTM)
Both companies show strong equity returns, but Micron (MU) at 88.26% is the standout with ROE above its industry range; Costco Wholesale (COST) at 28.40% also sits in the top quartile.
COST
Consumer Staples Distribution & Retail industry group
28.40%
- Max
- 33.48%
- COST
- 28.40%
- Q3
- 22.31%
- Median
- 15.57%
- Q1
- 7.66%
- Min
- -2.27%
MU
Semiconductors & Semiconductor Equipment industry group
88.26%
- MU
- 88.26%
- Max
- 52.82%
- Q3
- 22.26%
- Median
- 10.58%
- Q1
- 1.29%
- Min
- -16.89%
Net Margin (TTM)
Micron (MU) at 63.80% retains a top-quartile share of revenue as profit, ahead of Costco Wholesale (COST) at 3.04%, which keeps about the industry-typical share.
COST
Consumer Staples Distribution & Retail industry group
3.04%
- Max
- 5.45%
- Q3
- 3.42%
- COST
- 3.04%
- Median
- 2.44%
- Q1
- 1.86%
- Min
- -0.06%
MU
Semiconductors & Semiconductor Equipment industry group
63.80%
- MU
- 63.80%
- Max
- 63.80%
- Q3
- 28.36%
- Median
- 11.44%
- Q1
- 0.90%
- Min
- -37.77%
Operating Margin (TTM)
Micron (MU) at 80.68% turns sales into operating profit above its industry’s benchmark range, while Costco Wholesale (COST) at 3.79% operates around its industry’s norm.
COST
Consumer Staples Distribution & Retail industry group
3.79%
- Max
- 6.81%
- Q3
- 5.49%
- Median
- 3.84%
- COST
- 3.79%
- Q1
- 2.00%
- Min
- 0.97%
MU
Semiconductors & Semiconductor Equipment industry group
80.68%
- MU
- 80.68%
- Max
- 58.66%
- Q3
- 30.23%
- Median
- 15.91%
- Q1
- 7.54%
- Min
- -25.74%
Profitability Metrics
| Metric | COST | MU |
|---|---|---|
| ROE (TTM) | 28.40% | 88.26% |
| ROA (TTM) | 8.66% | 44.56% |
| Net Margin (TTM) | 3.04% | 63.80% |
| Operating Margin (TTM) | 3.79% | 80.68% |
| Gross Margin (TTM) | 12.77% | 80.72% |
Growth
Revenue Growth
Micron (MU) at 256.33% clears its industry range for revenue growth, far stronger top-line momentum than Costco Wholesale (COST) at 10.14%, which is closer to a typical peer reading.
EPS Growth
Only one side can be read here: Micron (MU) reports EPS growth of 879.31%, ranked against its industry; Costco Wholesale (COST) has no EPS growth figure this period.
Growth Metrics
| Metric | COST | MU |
|---|---|---|
| Revenue Growth (YoY) | 10.14% | 256.33% |
| Revenue Growth (3Y CAGR) | 7.76% | 104.65% |
| EPS Growth (YoY) | -- | 879.31% |
| EPS Growth (3Y CAGR) | -- | -- |
Financial Strength
Current Ratio (MRQ)
Both Costco Wholesale (COST) at 1.06 and Micron (MU) at 3.31 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.
COST
Consumer Staples Distribution & Retail industry group
1.06
- Max
- 2.04
- Q3
- 1.45
- Median
- 1.17
- COST
- 1.06
- Q1
- 1.00
- Min
- 0.69
MU
Semiconductors & Semiconductor Equipment industry group
3.31
- Max
- 10.33
- Q3
- 5.62
- Median
- 3.33
- MU
- 3.31
- Q1
- 2.35
- Min
- 1.03
Debt / Equity (MRQ)
Both Costco Wholesale (COST) at 0.28 and Micron (MU) at 0.04 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.
COST
Consumer Staples Distribution & Retail industry group
0.28
- Max
- 2.59
- Q3
- 1.83
- Median
- 1.24
- Q1
- 0.63
- COST
- 0.28
- Min
- 0.01
MU
Semiconductors & Semiconductor Equipment industry group
0.04
- Max
- 1.46
- Q3
- 0.65
- Median
- 0.27
- Q1
- 0.04
- MU
- 0.04
- Min
- 0.00
Financial Strength Metrics
| Metric | COST | MU |
|---|---|---|
| Current Ratio (MRQ) | 1.06 | 3.31 |
| Debt / Equity (MRQ) | 0.28 | 0.04 |
| Net Debt / EBITDA | -0.78 | -0.35 |
Dividends
Dividend Yield (TTM)
Both Costco Wholesale (COST) at 0.52% and Micron (MU) at 0.09% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.
COST
Consumer Staples Distribution & Retail industry group
0.52%
- Max
- 2.90%
- Q3
- 1.72%
- COST
- 0.52%
- Median
- 0.43%
- Q1
- 0.00%
- Min
- 0.00%
MU
Semiconductors & Semiconductor Equipment industry group
0.09%
- Max
- 1.37%
- Q3
- 0.65%
- MU
- 0.09%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Both Costco Wholesale (COST) at 26.69% and Micron (MU) at 0.71% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.
COST
Consumer Staples Distribution & Retail industry group
26.69%
- Max
- 57.98%
- Q3
- 30.05%
- COST
- 26.69%
- Median
- 11.72%
- Q1
- 0.00%
- Min
- 0.00%
MU
Semiconductors & Semiconductor Equipment industry group
0.71%
- Max
- 49.64%
- Q3
- 21.71%
- MU
- 0.71%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | COST | MU |
|---|---|---|
| Dividend Yield (TTM) | 0.52% | 0.09% |
| Dividend Payout Ratio (TTM) | 26.69% | 0.71% |
Valuation
P/E Ratio (TTM)
Micron (MU) at 9.28 sits in the cheaper P/E ratio quartile, while Costco Wholesale (COST) at 50.75 sits in the richer quartile — a clear split in what investors pay for each dollar of trailing earnings.
COST
Consumer Staples Distribution & Retail industry group
50.75
- COST
- 50.75
- Max
- 50.75
- Q3
- 33.64
- Median
- 22.19
- Q1
- 16.09
- Min
- 9.28
MU
Semiconductors & Semiconductor Equipment industry group
9.28
- Max
- 110.34
- Q3
- 66.81
- Median
- 37.02
- Q1
- 23.96
- MU
- 9.28
- Min
- 8.12
P/S Ratio (TTM)
Micron (MU) at 5.86 is priced about in line with its industry on P/S ratio, while Costco Wholesale (COST) at 1.54 sits in the pricier quartile — COST costs more per dollar of sales.
COST
Consumer Staples Distribution & Retail industry group
1.54
- COST
- 1.54
- Max
- 1.54
- Q3
- 0.81
- Median
- 0.47
- Q1
- 0.26
- Min
- 0.02
MU
Semiconductors & Semiconductor Equipment industry group
5.86
- Max
- 21.42
- Q3
- 12.27
- MU
- 5.86
- Median
- 5.76
- Q1
- 2.73
- Min
- 0.00
P/B Ratio (MRQ)
Micron (MU) at 5.64 sits near its industry’s typical P/B ratio, while Costco Wholesale (COST) at 13.04 prices above its benchmark range — COST looks rich relative to book.
COST
Consumer Staples Distribution & Retail industry group
13.04
- COST
- 13.04
- Max
- 10.15
- Q3
- 6.27
- Median
- 3.70
- Q1
- 1.85
- Min
- 0.93
MU
Semiconductors & Semiconductor Equipment industry group
5.64
- Max
- 14.06
- Q3
- 7.44
- MU
- 5.64
- Median
- 4.29
- Q1
- 2.30
- Min
- 0.20
Valuation Metrics
| Metric | COST | MU |
|---|---|---|
| P/E Ratio (TTM) | 50.75 | 9.28 |
| P/S Ratio (TTM) | 1.54 | 5.86 |
| P/B Ratio (MRQ) | 13.04 | 5.64 |
| Free Cash Flow Yield (TTM) | 1.45% | 3.73% |