Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-16 | 252.02 | 255.40 | 250.89 | 254.88 | 254.88 | 1,206,900 |
| 2026-10-15 | 243.59 | 252.76 | 242.44 | 250.10 | 250.10 | 2,189,600 |
| 2026-10-14 | 234.00 | 238.82 | 231.86 | 237.04 | 237.04 | 1,005,800 |
| 2026-10-13 | 234.51 | 235.85 | 232.09 | 232.90 | 232.90 | 862,400 |
| 2026-10-12 | 233.54 | 234.59 | 232.82 | 233.92 | 233.92 | 696,200 |
| 2026-10-09 | 233.74 | 235.94 | 231.50 | 232.70 | 232.70 | 960,900 |
| 2026-10-08 | 227.95 | 234.79 | 225.85 | 234.05 | 234.05 | 1,891,300 |
| 2026-10-07 | 228.93 | 231.67 | 226.39 | 227.10 | 227.10 | 1,078,100 |
| 2026-10-06 | 225.81 | 230.73 | 225.08 | 229.85 | 229.85 | 1,152,800 |
| 2026-10-05 | 225.00 | 227.54 | 219.65 | 227.24 | 227.24 | 1,147,800 |
| 2026-10-02 | 230.79 | 232.76 | 225.27 | 226.11 | 226.11 | 1,398,300 |
| 2026-10-01 | 229.43 | 234.13 | 229.29 | 231.82 | 231.82 | 2,862,300 |
| 2026-09-30 | 227.44 | 229.49 | 225.55 | 228.11 | 228.11 | 1,588,600 |
| 2026-09-29 | 227.32 | 229.35 | 225.11 | 227.75 | 227.75 | 1,484,700 |
| 2026-09-28 | 230.00 | 232.81 | 226.95 | 229.46 | 229.46 | 1,553,400 |
| 2026-09-25 | 226.73 | 232.23 | 225.87 | 231.10 | 231.10 | 1,497,300 |
| 2026-09-24 | 230.72 | 233.19 | 226.26 | 227.13 | 227.13 | 1,769,600 |
| 2026-09-23 | 228.70 | 231.31 | 227.91 | 229.64 | 229.64 | 1,847,200 |
| 2026-09-22 | 236.29 | 236.60 | 226.79 | 230.45 | 230.45 | 1,624,500 |
| 2026-09-21 | 239.72 | 240.71 | 236.58 | 236.61 | 236.61 | 1,283,700 |
| 2026-09-18 | 240.00 | 241.93 | 238.75 | 239.48 | 239.48 | 1,707,700 |
| 2026-09-17 | 243.18 | 244.73 | 240.08 | 241.41 | 241.41 | 943,500 |
| 2026-09-16 | 246.21 | 246.41 | 241.38 | 243.78 | 243.78 | 1,180,500 |
| 2026-09-15 | 251.18 | 254.59 | 247.87 | 248.04 | 248.04 | 1,642,700 |
| 2026-09-14 | 245.58 | 254.22 | 245.58 | 253.30 | 253.30 | 1,630,500 |
| 2026-09-11 | 245.95 | 246.82 | 240.32 | 240.32 | 240.32 | 1,074,700 |
| 2026-09-10 | 245.22 | 247.55 | 242.70 | 243.31 | 243.31 | 1,063,100 |
| 2026-09-09 | 250.20 | 251.34 | 243.41 | 244.28 | 244.28 | 1,213,300 |
| 2026-09-08 | 257.68 | 258.39 | 251.29 | 251.45 | 251.45 | 1,121,001 |
| 2026-09-04 | 263.33 | 266.71 | 261.97 | 262.69 | 261.96 | 1,012,800 |
| 2026-09-03 | 265.81 | 271.27 | 264.69 | 266.66 | 265.92 | 1,499,400 |
| 2026-09-02 | 263.50 | 266.21 | 261.25 | 264.46 | 263.72 | 1,847,900 |
| 2026-09-01 | 264.43 | 267.23 | 260.04 | 262.00 | 261.27 | 2,024,500 |
| 2026-08-31 | 264.13 | 267.07 | 261.06 | 262.15 | 261.42 | 1,496,700 |
| 2026-08-28 | 260.50 | 268.91 | 260.50 | 267.56 | 266.82 | 1,151,300 |
| 2026-08-27 | 260.60 | 264.08 | 259.26 | 260.15 | 259.43 | 977,400 |
| 2026-08-26 | 267.64 | 272.78 | 263.58 | 265.03 | 264.29 | 1,426,200 |
| 2026-08-25 | 269.84 | 272.79 | 266.96 | 268.51 | 267.76 | 1,752,800 |
| 2026-08-24 | 265.00 | 272.37 | 262.49 | 271.99 | 271.23 | 1,531,400 |
| 2026-08-21 | 259.44 | 264.21 | 257.68 | 263.81 | 263.08 | 1,154,600 |
| 2026-08-20 | 256.45 | 262.17 | 255.11 | 259.61 | 258.89 | 1,340,700 |
| 2026-08-19 | 249.44 | 260.28 | 249.11 | 257.45 | 256.73 | 1,553,400 |
| 2026-08-18 | 250.02 | 255.28 | 248.05 | 248.36 | 247.67 | 1,287,000 |
| 2026-08-17 | 248.99 | 253.57 | 246.88 | 247.97 | 247.28 | 853,800 |
| 2026-08-14 | 253.16 | 254.39 | 250.00 | 251.21 | 250.51 | 895,800 |
| 2026-08-13 | 256.35 | 257.12 | 250.00 | 253.49 | 252.78 | 1,011,600 |
| 2026-08-12 | 250.00 | 256.29 | 248.11 | 255.46 | 254.75 | 1,475,000 |
| 2026-08-11 | 248.98 | 256.20 | 247.00 | 253.51 | 252.80 | 1,648,700 |
| 2026-08-10 | 247.00 | 252.86 | 245.33 | 252.43 | 251.73 | 1,280,100 |
| 2026-08-07 | 247.96 | 252.04 | 246.29 | 248.12 | 247.43 | 1,128,700 |
| 2026-08-06 | 252.78 | 253.78 | 247.52 | 251.74 | 251.04 | 1,287,600 |
| 2026-08-05 | 249.83 | 252.29 | 247.57 | 251.03 | 250.33 | 956,400 |
| 2026-08-04 | 242.84 | 248.83 | 240.82 | 248.06 | 247.37 | 1,419,500 |
| 2026-08-03 | 251.21 | 255.98 | 246.22 | 247.79 | 247.10 | 1,581,800 |
| 2026-07-31 | 245.93 | 255.73 | 242.28 | 249.42 | 248.73 | 1,736,300 |
| 2026-07-30 | 269.99 | 269.99 | 253.54 | 256.46 | 255.75 | 1,926,400 |
| 2026-07-29 | 261.59 | 269.80 | 259.34 | 268.91 | 268.16 | 1,573,600 |
| 2026-07-28 | 255.00 | 265.38 | 254.15 | 265.31 | 264.57 | 1,533,700 |
| 2026-07-27 | 249.42 | 255.40 | 248.14 | 253.36 | 252.65 | 1,110,000 |
| 2026-07-24 | 242.93 | 248.44 | 241.12 | 247.77 | 247.08 | 1,259,400 |
Page 1 of 21 · 1,255 trading daysOlder →
Stock splits
| Date | Split (new : old) |
|---|---|
| 2001-01-19 | 2:1 |
| 2000-03-16 | 2:1 |
Dividends
| Ex-date | Amount |
|---|---|
| 2026-09-08 | 0.7000 USD |
| 2026-06-05 | 0.7000 USD |
| 2026-03-06 | 0.7000 USD |
| 2025-12-05 | 0.6500 USD |
| 2025-09-05 | 0.6500 USD |
| 2025-06-06 | 0.6500 USD |
| 2025-03-07 | 0.6500 USD |
| 2024-12-06 | 0.6000 USD |
| 2024-09-06 | 0.6000 USD |
| 2024-06-07 | 0.6000 USD |
| 2024-02-29 | 0.6000 USD |
| 2023-11-30 | 0.5500 USD |
| 2023-08-31 | 0.5500 USD |
| 2023-06-01 | 0.5500 USD |
| 2023-03-02 | 0.5500 USD |
| 2022-12-01 | 0.5100 USD |
| 2022-09-01 | 0.5100 USD |
| 2022-06-02 | 0.5100 USD |
| 2022-03-03 | 0.5100 USD |
| 2021-12-02 | 0.4800 USD |
| 2021-09-02 | 0.4800 USD |
| 2021-06-03 | 0.4800 USD |
| 2021-03-04 | 0.4800 USD |
| 2020-12-03 | 0.4500 USD |
| 2020-09-03 | 0.4500 USD |
| 2020-06-04 | 0.4500 USD |
| 2020-03-05 | 0.4500 USD |
| 2019-12-05 | 0.4300 USD |
| 2019-09-05 | 0.4300 USD |
| 2019-06-06 | 0.4300 USD |
| 2019-02-28 | 0.4300 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.