The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Arthur J Gallagher & is the larger company, worth $62.3B, about 11.7 times Accelerant Holdings.
  • Accelerant Holdings grew revenue faster over the last year (+62.9% vs +24.2%).
  • Arthur J Gallagher & keeps more of each dollar of revenue as operating profit (12.6% vs -110.8%).
  • Arthur J Gallagher &'s price assumes faster free cash flow growth: about 12% a year, against -0% for Accelerant Holdings (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureAJGARX
Market cap$62.3B$5.3B
Share price$232.70$19.80
Revenue (last fiscal year)$13.9B$913M
Free cash flow (last fiscal year)$1.8B$404M
Revenue growth, last year+24.2%+62.9%
Revenue growth per year, last 5 fiscal years+14.2%+62.9%
Operating margin12.6%-110.8%
Net margin10.0%-119.3%
Return on equity6.6%-190.5%
P/E (trailing)39.2x—
Price / free cash flow34.9x13.2x
EV / EBITDA18.6x—
FCF growth the price implies12.3%-0.48%
Dividend yield1.1%—
Debt / equity2.45x11.4x
Fundamental gradeDD
Superinvestors holding it91
Insider purchases, last 12 months104

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Arthur J Gallagher &

YearRevenueFree cash flowOp. margin
2021$8.2B$1.3B11.9%
2022$8.6B$1.2B15.5%
2023$10.1B$1.8B11.8%
2024$11.6B$2.4B16.2%
2025$13.9B$1.8B13.4%

Accelerant Holdings

YearRevenueFree cash flowOp. margin
2023$344M$257M-12.8%
2024$603M$751M5.3%
2025$913M$404M-144.8%

Where the revenue comes from

Arthur J Gallagher & · by segments, 2025

Brokerage$12.2B87%
Risk Management$1.7B13%
Corporate$1M0%

Accelerant Holdings · by segments, 2025

Underwriting$431M42%
Exchange Services$335M33%
MGA Operations$249M25%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AJG in Investingly

Questions

Which is bigger, Arthur J Gallagher & or Accelerant Holdings?

Arthur J Gallagher & (AJG), at $62.3B against $5.3B.

Which grows faster, AJG or ARX?

Accelerant Holdings: revenue grew +62.9% over the last year, against +24.2%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.