BLK vs COST: Which Is the Better Buy?
Side-by-side comparison of BlackRock, Inc. and Costco Wholesale Corporation — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-07-15.
BlackRock, Inc. · Financial Services
$1,025.44
+31.0% upside to fair value
Grade A
High Quality
VS
Costco Wholesale Corporation · Consumer Defensive
$947.50
-1.4% upside to fair value
Grade C
High Quality
QuantHub Verdict
BLK has more upside to fair value
(+31.0%).
BLK trades at a lower forward P/E
(24.2x).
These are model outputs — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
BLK |
COST |
| Current Price |
$1,025.44 |
$947.50 |
| Fair Value Estimate |
$1,343.02 |
$933.84 |
| Upside to Fair Value |
+31.0%
|
-1.4%
|
| Market Cap |
$158.9B |
$420.2B |
| Forward P/E |
24.2x
|
47.6x
|
| EV / EBITDA |
16.0x
|
28.3x
|
| Price / Sales |
5.8x
|
1.4x
|
| Price / FCF |
44.6x
|
47.7x
|
| Revenue Growth YoY |
+30.6%
|
+11.6%
|
| Gross Margin |
54.6%
|
12.9%
|
| Operating Margin |
32.9%
|
3.8%
|
| Return on Equity |
12.5%
|
28.3%
|
| Dividend Yield |
0% |
0% |
| FCF Yield |
2.24%
|
2.1%
|
| Analyst Consensus |
Strong Buy
|
Buy
|
Investment Thesis
BlackRock, Inc. is a leading global asset management firm operating within the financial services sector, specializing in investment management and risk advisory. The company demonstrates high business quality with a durable competitive moat supported by strong brand recognition, intangible assets, and switching costs. It reported robust growth in the most recent quarter with revenue up 30.6% yea…
Costco Wholesale Corporation operates as a membership-only warehouse club offering a wide range of merchandise at low prices. The company exhibits high business quality with a durable competitive moat driven by cost advantages, strong brand loyalty, and efficient operations, reflected in a robust ROE of 28.3% and solid revenue growth of 11.6% in the most recent quarter. Despite these strengths, t…
Accumulation Zones
| Metric |
BLK |
COST |
| Zone Low |
$1,007.26 |
$700.38 |
| Zone High |
$1,141.57 |
$793.76 |
| In Buy Zone? |
Yes
|
No
|