Arthur J Gallagher & Co Market Cap ($59.65 Billion)
Market Cap & Net Worth: Arthur J Gallagher & Co (AJG)
Arthur J Gallagher & Co market cap. Arthur J Gallagher & Co (NYSE:AJG) has a market capitalization of $59.65 Billion ($59.65 Billion) as of November 1, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #458 globally and #237 in its home market, demonstrating a 1.88% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying Arthur J Gallagher & Co's stock price $276.07 by its total outstanding shares 256341000 (256.34 Million). Also see Arthur J Gallagher & Co (AJG) cash conversion ratio for how efficiently the company converts equity into cash flow.
Arthur J Gallagher & Co Market Cap History (2015–2026)
Arthur J Gallagher & Co market cap history from 2015 to 2026. Data shows growth from $8.93 Billion to $70.77 Billion (20.25% CAGR). Check current stock price of Arthur J Gallagher & Co for real-time trading data and today's change.
Index Memberships
Arthur J Gallagher & Co is a constituent of 1 market index:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
S&P 500 Index
GSPC
|
$61.47 Trillion | 0.19% | #186 of 503 |
Weight: Arthur J Gallagher & Co's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
Arthur J Gallagher & Co Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how Arthur J Gallagher & Co's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Explore Arthur J Gallagher & Co (AJG) equity growth momentum to track how rapidly the company is growing its equity base year over year.
Latest Price to Sales (P/S) Ratio
4.76x
Arthur J Gallagher & Co's market cap is 4.76 times its annual revenue
Latest Price to Earnings (P/E) Ratio
44.41x
Arthur J Gallagher & Co's market cap is 44.41 times its annual earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $11.71 Billion | $5.68 Billion | $396.80 Million | 2.06x | 29.52x |
| 2017 | $14.64 Billion | $6.25 Billion | $481.30 Million | 2.34x | 30.43x |
| 2018 | $17.46 Billion | $6.92 Billion | $633.50 Million | 2.52x | 27.55x |
| 2019 | $23.00 Billion | $7.12 Billion | $668.80 Million | 3.23x | 34.40x |
| 2020 | $30.39 Billion | $7.00 Billion | $818.80 Million | 4.34x | 37.12x |
| 2021 | $42.25 Billion | $8.21 Billion | $906.80 Million | 5.15x | 46.59x |
| 2022 | $47.51 Billion | $8.55 Billion | $1.11 Billion | 5.56x | 42.64x |
| 2023 | $57.25 Billion | $10.07 Billion | $969.50 Million | 5.68x | 59.05x |
| 2024 | $72.76 Billion | $11.55 Billion | $1.46 Billion | 6.30x | 49.75x |
| 2025 | $66.34 Billion | $13.94 Billion | $1.49 Billion | 4.76x | 44.41x |
Competitor Companies of AJG by Market Capitalization
Companies near Arthur J Gallagher & Co in the global market cap rankings as of November 1, 2026. Also see Arthur J Gallagher & Co (AJG) total assets for a full breakdown of the balance sheet.
Key companies related to Arthur J Gallagher & Co by market ranking:
- Marsh & McLennan Companies Inc (NYSE:MMC): Ranked #299 globally with a market cap of $89.51 Billion USD.
- Marsh & McLennan Companies, Inc. (NYSE:MRSH): Ranked #315 globally with a market cap of $85.27 Billion USD.
- Aon PLC (F:4VK): Ranked #474 globally with a market cap of $56.77 Billion USD ( €48.56 Billion EUR).
- Willis Towers Watson PLC (NASDAQ:WTW): Ranked #960 globally with a market cap of $27.78 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #299 | Marsh & McLennan Companies Inc | NYSE:MMC | $89.51 Billion | $182.70 |
| #315 | Marsh & McLennan Companies, Inc. | NYSE:MRSH | $85.27 Billion | $200.62 |
| #474 | Aon PLC | F:4VK | $56.77 Billion | €288.20 |
| #960 | Willis Towers Watson PLC | NASDAQ:WTW | $27.78 Billion | $324.42 |
Market Capitalization of Arthur J Gallagher & Co (2015–2026)
Market capitalization of Arthur J Gallagher & Co from 2015 to today. Between 2015 and today, Arthur J Gallagher & Co's market cap moved from $8.93 Billion to $ 70.77 Billion, with a yearly change of 20.25%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $70.77 Billion | +6.68% |
| 2025 | $66.34 Billion | -8.83% |
| 2024 | $72.76 Billion | +27.09% |
| 2023 | $57.25 Billion | +20.51% |
| 2022 | $47.51 Billion | +12.44% |
| 2021 | $42.25 Billion | +39.02% |
| 2020 | $30.39 Billion | +32.12% |
| 2019 | $23.00 Billion | +31.78% |
| 2018 | $17.46 Billion | +19.20% |
| 2017 | $14.64 Billion | +25.04% |
| 2016 | $11.71 Billion | +31.10% |
| 2015 | $8.93 Billion | -- |
End of Day Market Cap According to Different Sources
On Nov 1st, 2026 the market cap of Arthur J Gallagher & Co was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $59.65 Billion USD |
| MoneyControl | $59.65 Billion USD |
| MarketWatch | $59.65 Billion USD |
| marketcap.company | $59.65 Billion USD |
| Reuters | $59.65 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Arthur J Gallagher & Co
Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance and reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services to entities and individuals worldwide. The company operates in Brokerage and Risk Management segments. Its Brokerage segment offers retail and wholesale insurance and reinsurance brokerage services; ass… Read more