AIG vs BRK-B vs UNP Stock Comparison

American International, Berkshire Hathaway and Union Pacific Prices as of Oct 29, 2026 Peers: Industry group
BRK-B Berkshire Hathaway Inc
$541.90 +7.9% 1M +13.9% 1Y
Market cap
$784.48M
P/E
0.0x
Revenue (TTM)
$384.69B
Div. yield
–
Property and Casualty Insurance Financial Services
3 wins
UNP Union Pacific Corp
$301.88 +10.1% 1M +39.5% 1Y
Market cap
$179.60B
P/E
23.6x
Revenue (TTM)
$26.36B
Div. yield
–
Railroads Industrials
5 wins

Head to Head

11 decided of 12

Union Pacific leads on 5 of the 12 questions below (Union Pacific 5, Berkshire Hathaway 3, American International 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAIGBRK-BUNPLeader
Larger companyMarket capitalisation $43.09B $784.48M $179.60B UNP
Cheaper on earningsLower P/E, profitable companies only 14.5x 0.0x 23.6x BRK-B
Cheaper on forward earningsLower price / next fiscal year consensus EPS 9.8x — 21.7x AIG
Faster revenue growthRevenue growth, trailing twelve months -4.2% +3.9% +7.4% UNP
More profitableNet margin, trailing twelve months 11.1% 22.3% 28.9% UNP
Better return on capitalReturn on invested capital 6.6% -10.4% 15.7% UNP
Less leveragedLower net debt / EBITDA 0.0x 2.4x 2.1x AIG
Higher dividend yieldTrailing dividend yield 0.02% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +4.4% +13.9% +39.5% UNP
Better 5-year returnAnnualised price return, 5 years +6.6%/yr +13.6%/yr +4.6%/yr BRK-B
Less volatileAnnualised volatility, 1 year 24.0% 14.6% 22.6% BRK-B
Higher overall scoreMean of the five percentile scores vs peers 45/100 28/100 44/100 AIG

Percentile Scorecard

AIGBRK-BUNP

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAIGBRK-BUNP
Valuation 52 #58 of 119 15 #101 of 119 11 #121 of 136
Growth 27 #84 of 114 30 #80 of 114 61 #48 of 121
Profitability 31 #73 of 106 30 #75 of 106 87 #15 of 112
Financial Health 61 #41 of 104 55 #47 of 104 36 #90 of 140
Shareholder Returns 54 #49 of 105 8 #97 of 105 25 #60 of 80
Overall 45 28 44
  • AIG ranked among 126 companies in Insurance
  • BRK-B ranked among 126 companies in Insurance
  • UNP ranked among 150 companies in Transportation

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAIGBRK-BUNPSPY
1 month +8.2%+7.9%+10.1% +0.7%
3 months +3.2%+6.3%+4.3% +3.7%
6 months +8.9%+14.4%+12.0% +7.1%
Year to date -4.8%+7.8%+30.5% +12.8%
1 year +4.4%+13.9%+39.5% +11.9%
3 years +33.5%+60.6%+46.7% +85.2%
3 years, per year +10.1%+17.1%+13.6% +22.8%
5 years +37.8%+88.8%+25.1% +67.6%
5 years, per year +6.6%+13.6%+4.6% +10.9%
10 years +32.9%+276.3%+241.6% +262.0%
10 years, per year +2.9%+14.2%+13.1% +13.7%

Risk

MeasureAIGBRK-BUNPSPY
Volatility, 1Y 24.0%14.6%22.6% 12.7%
Downside volatility, 1Y 24.2%14.2%21.8% 12.6%
Beta vs S&P 500, 1Y -0.05-0.020.16 1.00
Return / volatility, 1Y 0.180.951.75 0.94
Max drawdown, 5Y -26.9%-26.6%-32.9% -25.4%
From 52-week high -6.0%-1.2%-2.8% -1.2%
52-week high $86.59$548.72$310.62 $779.14
52-week low $71.89$465.40$216.37 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAIGBRK-BUNP
P/E now vs peer median 14.5xmedian 10.7x 0.0xmedian 10.7x 23.5xmedian 16.5x
P/S now vs peer median 1.6xmedian 1.4x 3.0xmedian 1.4x 6.8xmedian 0.9x
EV/EBITDA now vs peer median 5.7xmedian 7.5x -9.6xmedian 7.5x 15.8xmedian 8.8x
P/FCF now vs peer median 11.1xmedian 8.5x 48.2xmedian 8.5x 26.8xmedian 11.9x
P/B now vs peer median 1.1xmedian 1.5x 1.6xmedian 1.5x 8.1xmedian 1.2x
PEG now vs peer median -2.70median 0.60 —median 0.60 3.32median 0.84

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAIGBRK-BUNP
Revenue $26.64B $384.69B $26.36B
Gross profit $12.70B $215.64B –
Operating income $4.03B -$111.18B $10.57B
Net income $2.97B $86.08B $7.62B
Free cash flow $3.85B $24.22B $6.69B
EPS (diluted) $5.56 – $12.81
Cash & equivalents – $40.61B $2.21B
Total debt $9.13B $128.60B $30.32B
Shares (diluted) 533.57M – 594.50M
Enterprise value $5.27B -$1.42T $171.85B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAIGBRK-BUNP
P/E 14.5x 0.0x 23.5x
P/FCF 11.1x 48.2x 26.8x
P/Operating cash flow 11.1x 25.0x 17.0x
P/S 1.6x 3.0x 6.8x
P/B 1.1x 1.6x 8.1x
P/Tangible book 1.1x 1.6x 8.1x
EV/EBITDA 5.7x -9.6x 15.8x
EV/EBIT 10.6x -8.4x 19.6x
EV/Revenue 1.6x 2.4x 7.8x
EV/FCF 11.1x 38.5x 30.9x
EV/Operating cash flow 11.1x 20.0x 19.6x
PEG (3Y EPS CAGR) -2.70 – 3.32

Growth

14 metrics
MetricAIGBRK-BUNP
Revenue growth (1Y) -4.2% 3.9% 7.4%
Revenue CAGR (3Y) 19.7% 4.9% 3.0%
Gross profit growth (1Y) -1.7% 2.1% –
Gross profit CAGR (3Y) 270.9% 1.0% –
Operating income growth (1Y) -21.2% -4.9% 6.0%
Operating income CAGR (3Y) 32.3% -8.5% 5.2%
Net income growth (1Y) -7.4% 35.9% 8.0%
Net income CAGR (3Y) -17.3% -0.5% 6.2%
EPS growth (1Y) 0.4% – 7.8%
EPS CAGR (3Y) -5.4% – 7.1%
Operating cash flow growth (1Y) 21.9% 70.1% 8.2%
Operating cash flow CAGR (3Y) -11.0% 2.6% 8.3%
Free cash flow growth (1Y) 21.9% 194.4% 11.3%
Free cash flow CAGR (3Y) -11.0% -2.5% 12.0%

Profitability

14 metrics
MetricAIGBRK-BUNP
Gross margin 47.7% 56.1% –
EBITDA margin 28.2% -25.3% 49.7%
Operating margin 15.1% -28.9% 40.1%
Pretax margin 13.6% 29.2% 37.6%
Net margin 11.1% 22.3% 28.9%
FCF margin 14.5% 6.3% 25.4%
Operating cash flow margin 14.5% 12.1% 39.9%
Return on equity 7.3% 11.6% 35.7%
Return on assets 1.8% 6.8% 10.6%
Return on invested capital 6.6% -10.4% 15.7%
Return on capital employed – – 15.9%
Asset turnover 0.2x 0.3x 0.4x
Cash conversion (OCF / net income) 1.3x 0.5x 1.4x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricAIGBRK-BUNP
Debt / assets 5.6% 10.2% 41.8%
Debt / equity 0.2x 0.2x 1.4x
Net debt / EBITDA 0.0x 2.4x 2.1x
Debt / FCF 2.4x 5.3x 4.5x
Liabilities / assets 75.1% 40.6% 69.7%
Equity / assets 24.9% 59.4% 30.3%
Interest coverage 10.0x -21.4x 8.3x
Current ratio – – 1.2x
Quick ratio – – 0.9x
Cash ratio – – 0.6x
Altman Z-score – – 4.39

Shareholder Returns

7 metrics
MetricAIGBRK-BUNP
Dividend yield 2.3% – 1.8%
Net buyback yield 7.0% 0.4% 0.0%
Shareholder yield 9.3% 0.4% 1.9%
Payout ratio (earnings) 33.4% – –
Payout ratio (FCF) 25.8% – –
Dividend growth (1Y) 0.6% – –
Dividend CAGR (3Y) 0.8% – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAIGBRK-BUNP
Forward P/E 9.8xFY2026 – 21.7xFY2026
EPS, next fiscal year $8.31FY2026 – $13.91FY2026
EPS growth, next FY +17.2%FY2026 – +19.3%FY2026
EPS growth, the year after +12.9% – -0.9%
Revenue, next fiscal year $28.00BFY2026 – $28.02BFY2026
Revenue growth, next FY +4.6%FY2026 – +14.3%FY2026
Revenue growth, the year after +6.6% – +5.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAIGBRK-BUNP
Held by institutions 94.4% 65.8% 89.0%
Institutions holding 1,140 4,925 2,892
Change in shares held, QoQ -0.2% +1.8% +2.4%
Institutions buying 549 2,237 1,451
Institutions selling 426 1,989 985
Buyers to sellers 1.29 1.12 1.47

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

AIGBRK-BUNP
AIG 1.00 0.34 0.29
BRK-B 0.34 1.00 0.23
UNP 0.29 0.23 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, AIG, BRK-B and UNP?

Union Pacific (UNP) is the largest by market capitalisation: American International (AIG) $43.09B, Berkshire Hathaway (BRK-B) $784.48M, Union Pacific (UNP) $179.60B.

Which stock is cheaper, AIG, BRK-B and UNP?

Berkshire Hathaway (BRK-B) trades on the lowest price-to-earnings ratio (American International (AIG) 14.5x, Berkshire Hathaway (BRK-B) 0.0x, Union Pacific (UNP) 23.6x). On next year's consensus earnings, American International (AIG) is cheapest (American International (AIG) 9.8x, Union Pacific (UNP) 21.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Union Pacific (UNP) grew revenue fastest over the trailing twelve months: American International (AIG) -4.2%, Berkshire Hathaway (BRK-B) +3.9%, Union Pacific (UNP) +7.4%.

Which company is more profitable?

Union Pacific (UNP) has the highest net margin (American International (AIG) 11.1%, Berkshire Hathaway (BRK-B) 22.3%, Union Pacific (UNP) 28.9%). On return on invested capital, Union Pacific (UNP) leads (American International (AIG) 6.6%, Berkshire Hathaway (BRK-B) -10.4%, Union Pacific (UNP) 15.7%).

Which stock has performed better?

Over the past year Union Pacific (UNP) returned the most: American International (AIG) +4.4%, Berkshire Hathaway (BRK-B) +13.9%, Union Pacific (UNP) +39.5%. Over five years, Berkshire Hathaway (BRK-B) compounded fastest (American International (AIG) +6.6%/yr, Berkshire Hathaway (BRK-B) +13.6%/yr, Union Pacific (UNP) +4.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: American International (AIG) 0.02%, Berkshire Hathaway (BRK-B) 0.00%, Union Pacific (UNP) 0.00%. Berkshire Hathaway (BRK-B) and Union Pacific (UNP) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Berkshire Hathaway (BRK-B) has been the steadiest (American International (AIG) 24.0%, Berkshire Hathaway (BRK-B) 14.6%, Union Pacific (UNP) 22.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AIG, BRK-B and UNP?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Union Pacific (UNP) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.