MKL vs WPRT vs AIG Stock Comparison

Markel, Aetherion Technologies and American International Prices as of Oct 29, 2026 Peers: Industry group
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MKL Markel Group Inc.
$1,866.41 +7.1% 1M +2.2% 1Y
Market cap
$23.17B
P/E
12.9x
Revenue (TTM)
$15.74B
Div. yield
–
Property and Casualty Insurance Financial Services
6 wins

Head to Head

11 decided of 12

Markel leads on 6 of the 12 questions below (Markel 6, American International 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMKLWPRTAIGLeader
Larger companyMarket capitalisation $23.17B $34.58M $43.23B AIG
Cheaper on earningsLower P/E, profitable companies only 12.9x -0.8x 14.6x MKL
Cheaper on forward earningsLower price / next fiscal year consensus EPS 18.8x — 9.8x AIG
Faster revenue growthRevenue growth, trailing twelve months +3.3% -73.4% -4.2% MKL
More profitableNet margin, trailing twelve months 11.4% -493.2% 11.1% MKL
Better return on capitalReturn on invested capital 8.4% -39.8% 6.6% MKL
Less leveragedLower net debt / EBITDA — 1.0x 0.0x AIG
Higher dividend yieldTrailing dividend yield 0.00% — 0.02% –
Better 1-year returnPrice return, last 12 months +2.2% -0.6% +4.4% AIG
Better 5-year returnAnnualised price return, 5 years +7.3%/yr -43.0%/yr +6.6%/yr MKL
Less volatileAnnualised volatility, 1 year 19.8% 53.5% 24.0% MKL
Higher overall scoreMean of the five percentile scores vs peers 41/100 25/100 45/100 AIG

Percentile Scorecard

MKLWPRTAIG

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

AxisMKLWPRTAIG
Valuation 61 #47 of 119 11 #180 of 203 52 #58 of 119
Growth 3 #111 of 114 31 #131 of 188 27 #84 of 114
Profitability 35 #69 of 106 4 #175 of 183 31 #73 of 106
Financial Health 59 #43 of 104 54 #100 of 216 61 #41 of 104
Shareholder Returns 49 #54 of 105 – 54 #49 of 105
Overall 41 25 45
  • MKL ranked among 126 companies in Insurance
  • WPRT ranked among 222 companies in Machinery
  • AIG ranked among 126 companies in Insurance

Price Performance

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

Returns

PeriodMKLWPRTAIGSPY
1 month +7.1%-2.9%+8.2% +0.7%
3 months -1.0%+18.5%+3.2% +3.7%
6 months +5.3%+2.8%+8.9% +7.1%
Year to date -13.2%+26.8%-4.8% +12.8%
1 year +2.2%-0.6%+4.4% +11.9%
3 years +28.1%-59.8%+33.5% +85.2%
3 years, per year +8.6%-26.2%+10.1% +22.8%
5 years +42.1%-94.0%+37.8% +67.6%
5 years, per year +7.3%-43.0%+6.6% +10.9%
10 years +112.0%-87.2%+32.9% +262.0%
10 years, per year +7.8%-18.6%+2.9% +13.7%

Risk

MeasureMKLWPRTAIGSPY
Volatility, 1Y 19.8%53.5%24.0% 12.7%
Downside volatility, 1Y 21.0%47.8%24.2% 12.6%
Beta vs S&P 500, 1Y 0.020.63-0.05 1.00
Return / volatility, 1Y 0.11-0.010.18 0.94
Max drawdown, 5Y -28.9%-96.1%-26.9% -25.4%
From 52-week high -14.8%-19.4%-6.0% -1.2%
52-week high $2,191.90$2.47$86.59 $779.14
52-week low $1,714.26$1.54$71.89 $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.

MultipleMKLWPRTAIG
P/E now vs peer median 12.9xmedian 10.7x -0.8xmedian 25.8x 14.5xmedian 10.7x
P/S now vs peer median 1.5xmedian 1.4x 4.1xmedian 1.9x 1.6xmedian 1.4x
EV/EBITDA now vs peer median —median 7.5x -0.5xmedian 14.6x 5.7xmedian 7.5x
P/FCF now vs peer median 12.7xmedian 8.5x -3.9xmedian 22.2x 11.1xmedian 8.5x
P/B now vs peer median 1.2xmedian 1.5x 0.7xmedian 2.2x 1.1xmedian 1.5x
PEG now vs peer median 18.58median 0.60 -0.11median 1.45 -2.70median 0.60

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 monthsMKLWPRTAIG
Revenue $15.74B $8.50M $26.64B
Gross profit $10.78B $952.00K $12.70B
Operating income $2.47B -$23.52M $4.03B
Net income $1.83B -$41.91M $2.97B
Free cash flow $1.80B -$8.83M $3.85B
R&D – $5.35M –
EPS (diluted) $144.02 $-2.42 $5.56
Cash & equivalents $3.60B $23.95M –
Total debt $4.36B $972.00K $9.13B
Shares (diluted) 12.45M 17.34M 533.57M
Enterprise value -$43.38B -$202.52M $5.41B

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
MetricMKLWPRTAIG
P/E 12.9x -0.8x 14.5x
P/FCF 12.7x -3.9x 11.1x
P/Operating cash flow 11.1x -4.4x 11.1x
P/S 1.5x 4.1x 1.6x
P/B 1.2x 0.7x 1.1x
P/Tangible book 1.3x 0.7x 1.1x
EV/EBITDA – -0.5x 5.7x
EV/EBIT 4.2x -0.5x 10.6x
EV/Revenue 0.7x 1.4x 1.6x
EV/FCF 5.8x -1.3x 11.1x
EV/Operating cash flow 5.1x -1.5x 11.1x
PEG (3Y EPS CAGR) 18.58 -0.11 -2.70

Growth

14 metrics
MetricMKLWPRTAIG
Revenue growth (1Y) 3.3% -73.4% -4.2%
Revenue CAGR (3Y) 0.8% -70.1% 19.7%
Gross profit growth (1Y) 6.6% -72.0% -1.7%
Gross profit CAGR (3Y) – -72.0% 270.9%
Operating income growth (1Y) -17.7% -71.1% -21.2%
Operating income CAGR (3Y) -4.8% -35.5% 32.3%
Net income growth (1Y) -14.4% 21.9% -7.4%
Net income CAGR (3Y) -3.0% 7.3% -17.3%
EPS growth (1Y) -10.8% 18.0% 0.4%
EPS CAGR (3Y) 0.7% 7.7% -5.4%
Operating cash flow growth (1Y) -20.8% 55.5% 21.9%
Operating cash flow CAGR (3Y) -9.8% 10.8% -11.0%
Free cash flow growth (1Y) -24.1% 55.5% 21.9%
Free cash flow CAGR (3Y) -11.4% 27.8% -11.0%

Profitability

14 metrics
MetricMKLWPRTAIG
Gross margin 68.5% 11.2% 47.7%
EBITDA margin – -267.3% 28.2%
Operating margin 15.7% -276.7% 15.1%
Pretax margin 14.8% -423.1% 13.6%
Net margin 11.4% -493.2% 11.1%
FCF margin 11.5% -103.9% 14.5%
Operating cash flow margin 13.0% -93.2% 14.5%
Return on equity 9.8% -29.3% 7.3%
Return on assets 2.6% -19.9% 1.8%
Return on invested capital 8.4% -39.8% 6.6%
Return on capital employed – -42.2% –
Asset turnover 0.2x 0.1x 0.2x
Cash conversion (OCF / net income) 1.1x 0.2x 1.3x
Stock comp / revenue – 8.2% –

Financial Health

11 metrics
MetricMKLWPRTAIG
Debt / assets 6.0% 1.1% 5.6%
Debt / equity 0.2x 0.0x 0.2x
Net debt / EBITDA – 1.0x 0.0x
Debt / FCF 2.4x -0.1x 2.4x
Liabilities / assets 74.3% 38.5% 75.1%
Equity / assets 25.7% 61.5% 24.9%
Interest coverage 12.1x -100.9x 10.0x
Current ratio – 1.1x –
Quick ratio – 1.1x –
Cash ratio – 0.8x –
Altman Z-score – -19.47 –

Shareholder Returns

7 metrics
MetricMKLWPRTAIG
Dividend yield – – 2.3%
Net buyback yield 3.4% 320.2% 7.0%
Shareholder yield 3.4% 320.2% 9.3%
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.

ConsensusMKLWPRTAIG
Forward P/E 18.8xFY2026 – 9.8xFY2026
EPS, next fiscal year $99.52FY2026 $-1.37FY2026 $8.31FY2026
EPS growth, next FY -13.0%FY2026 – +17.2%FY2026
EPS growth, the year after +7.3% – +12.9%
Revenue, next fiscal year $15.96BFY2026 $10.34MFY2026 $28.00BFY2026
Revenue growth, next FY -3.8%FY2026 -55.7%FY2026 +4.6%FY2026
Revenue growth, the year after +0.4% +10.1% +6.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMKLWPRTAIG
Held by institutions 76.8% 21.0% 94.4%
Institutions holding 928 47 1,140
Change in shares held, QoQ -0.2% +70.5% -0.2%
Institutions buying 426 17 549
Institutions selling 315 13 426
Buyers to sellers 1.35 1.31 1.29

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.

MKLWPRTAIG
MKL 1.00 0.03 0.43
WPRT 0.03 1.00 -0.09
AIG 0.43 -0.09 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MKL, WPRT and AIG?

American International (AIG) is the largest by market capitalisation: Markel (MKL) $23.17B, Aetherion Technologies (WPRT) $34.58M, American International (AIG) $43.23B.

Which stock is cheaper, MKL, WPRT and AIG?

Markel (MKL) trades on the lowest price-to-earnings ratio (Markel (MKL) 12.9x, Aetherion Technologies (WPRT) -0.8x, American International (AIG) 14.6x). On next year's consensus earnings, American International (AIG) is cheapest (Markel (MKL) 18.8x, American International (AIG) 9.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Markel (MKL) grew revenue fastest over the trailing twelve months: Markel (MKL) +3.3%, Aetherion Technologies (WPRT) -73.4%, American International (AIG) -4.2%.

Which company is more profitable?

Markel (MKL) has the highest net margin (Markel (MKL) 11.4%, Aetherion Technologies (WPRT) -493.2%, American International (AIG) 11.1%). On return on invested capital, Markel (MKL) leads (Markel (MKL) 8.4%, Aetherion Technologies (WPRT) -39.8%, American International (AIG) 6.6%).

Which stock has performed better?

Over the past year American International (AIG) returned the most: Markel (MKL) +2.2%, Aetherion Technologies (WPRT) -0.6%, American International (AIG) +4.4%. Over five years, Markel (MKL) compounded fastest (Markel (MKL) +7.3%/yr, Aetherion Technologies (WPRT) -43.0%/yr, American International (AIG) +6.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Markel (MKL) 0.00%, American International (AIG) 0.02%. Markel (MKL) and Aetherion Technologies (WPRT) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Markel (MKL) has been the steadiest (Markel (MKL) 19.8%, Aetherion Technologies (WPRT) 53.5%, American International (AIG) 24.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MKL, WPRT and AIG?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Markel (MKL) leads on 6. 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.