Berkshire Hathaway Inc (BRK-B)vsNRG Energy Inc. (NRG)
BRK-B
Berkshire Hathaway Inc
$475.27
-0.19%
FINANCIAL SERVICES · Cap: $1.04T
NRG
NRG Energy Inc.
$151.04
-0.06%
UTILITIES · Cap: $32.08B
Smart Verdict
WallStSmart Research — data-driven comparison
Berkshire Hathaway Inc generates 1109% more annual revenue ($371.44B vs $30.71B). BRK-B leads profitability with a 18.0% profit margin vs 2.8%. NRG appears more attractively valued with a PEG of 1.29. NRG earns a higher WallStSmart Score of 54/100 (C-).
BRK-B
Buy54
out of 100
Grade: C-
NRG
Buy54
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-134.4%
Fair Value
$210.94
Current Price
$475.27
$264.33 premium
Margin of Safety
-490.6%
Fair Value
$27.20
Current Price
$151.04
$123.84 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Mega-cap, among the largest globally
Reasonable price relative to book value
Strong operational efficiency at 33.0%
Conservative balance sheet, low leverage
Attractively priced relative to earnings
Generating 5.0B in free cash flow
Every $100 of equity generates 42 in profit
Areas to Watch
Expensive relative to growth rate
Revenue declined 0.7%
Earnings declined 2.5%
Premium valuation, high expectations priced in
Distress zone — elevated risk
2.8% margin — thin
Operating margin of 4.3%
Comparative Analysis Report
WallStSmart ResearchBull Case : BRK-B
The strongest argument for BRK-B centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 18.0% and operating margin at 33.0%.
Bull Case : NRG
The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.29 suggests the stock is reasonably priced for its growth.
Bear Case : BRK-B
The primary concerns for BRK-B are PEG Ratio, Revenue Growth, EPS Growth.
Bear Case : NRG
The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Thin 2.8% margins leave little buffer for downturns.
Key Dynamics to Monitor
BRK-B profiles as a declining stock while NRG is a value play — different risk/reward profiles.
NRG carries more volatility with a beta of 1.26 — expect wider price swings.
NRG is growing revenue faster at 13.7% — sustainability is the question.
BRK-B generates stronger free cash flow (5.0B), providing more financial flexibility.
Bottom Line
BRK-B scores higher overall (54/100 vs 54/100), backed by strong 18.0% margins. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Berkshire Hathaway Inc
FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA
Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States. The company wholly owns GEICO, Duracell, Dairy Queen, BNSF, Lubrizol, Fruit of the Loom, Helzberg Diamonds, Long & Foster, FlightSafety International, Pampered Chef, Forest River, and NetJets, and also owns 38.6% of Pilot Flying J; and significant minority holdings in public companies Kraft Heinz Company (26.7%), American Express (18.8%), The Coca-Cola Company (9.32%), Bank of America (11.9%), and Apple (6.3%).
NRG Energy Inc.
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.
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