Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-23 | 242.45 | 243.85 | 240.98 | 242.21 | 241.54 | 1,345,100 |
| 2026-07-22 | 248.04 | 248.04 | 241.14 | 242.50 | 241.82 | 974,000 |
| 2026-07-21 | 251.97 | 255.50 | 247.15 | 248.22 | 247.53 | 1,046,900 |
| 2026-07-20 | 250.93 | 254.76 | 249.78 | 253.66 | 252.95 | 976,100 |
| 2026-07-17 | 257.61 | 261.92 | 252.30 | 253.90 | 253.19 | 1,530,700 |
| 2026-07-16 | 250.62 | 256.14 | 250.00 | 255.93 | 255.22 | 1,443,500 |
| 2026-07-15 | 255.61 | 255.61 | 246.35 | 247.77 | 247.08 | 1,851,800 |
| 2026-07-14 | 257.23 | 260.19 | 253.82 | 253.83 | 253.12 | 1,369,100 |
| 2026-07-13 | 255.97 | 261.27 | 255.97 | 261.23 | 260.50 | 1,337,200 |
| 2026-07-10 | 254.90 | 255.50 | 250.94 | 253.09 | 252.39 | 1,033,000 |
| 2026-07-09 | 254.15 | 255.22 | 251.72 | 253.76 | 253.05 | 1,473,400 |
| 2026-07-08 | 253.38 | 256.87 | 251.85 | 256.61 | 255.90 | 1,942,500 |
| 2026-07-07 | 254.00 | 256.63 | 252.00 | 254.67 | 253.96 | 1,887,100 |
| 2026-07-06 | 251.36 | 251.79 | 247.88 | 249.77 | 249.07 | 1,868,700 |
| 2026-07-02 | 240.96 | 252.96 | 240.31 | 252.44 | 251.74 | 2,741,400 |
| 2026-07-01 | 230.81 | 244.08 | 229.63 | 239.67 | 239.00 | 3,061,500 |
| 2026-06-30 | 226.85 | 230.58 | 224.49 | 229.57 | 228.93 | 1,651,700 |
| 2026-06-29 | 226.44 | 227.19 | 223.26 | 227.12 | 226.49 | 1,542,600 |
| 2026-06-26 | 220.58 | 226.56 | 219.67 | 226.01 | 225.38 | 2,225,600 |
| 2026-06-25 | 219.79 | 222.98 | 217.81 | 217.86 | 217.25 | 1,406,100 |
| 2026-06-24 | 217.63 | 221.98 | 215.13 | 220.76 | 220.15 | 3,195,800 |
| 2026-06-23 | 213.68 | 217.87 | 211.99 | 215.78 | 215.18 | 2,312,700 |
| 2026-06-22 | 213.92 | 216.12 | 208.08 | 209.08 | 208.50 | 2,128,800 |
| 2026-06-18 | 216.17 | 216.18 | 211.29 | 214.06 | 213.46 | 2,848,400 |
| 2026-06-17 | 216.50 | 224.99 | 215.62 | 216.09 | 215.49 | 1,614,600 |
| 2026-06-16 | 217.08 | 217.87 | 214.20 | 215.90 | 215.30 | 1,372,700 |
| 2026-06-15 | 217.38 | 218.75 | 214.49 | 215.74 | 215.14 | 1,544,700 |
| 2026-06-12 | 220.79 | 222.40 | 217.22 | 218.69 | 218.08 | 1,790,800 |
| 2026-06-11 | 221.83 | 223.66 | 220.58 | 220.90 | 220.29 | 2,479,300 |
| 2026-06-10 | 219.19 | 225.34 | 215.89 | 220.14 | 219.53 | 2,026,700 |
| 2026-06-09 | 214.55 | 219.52 | 212.56 | 217.05 | 216.45 | 1,950,600 |
| 2026-06-08 | 213.48 | 215.59 | 211.50 | 212.52 | 211.93 | 1,902,100 |
| 2026-06-05 | 212.28 | 216.73 | 212.09 | 216.14 | 215.54 | 1,462,900 |
| 2026-06-04 | 207.45 | 212.52 | 206.42 | 211.00 | 209.71 | 1,694,100 |
| 2026-06-03 | 203.83 | 204.73 | 199.69 | 202.50 | 201.27 | 1,999,500 |
| 2026-06-02 | 204.29 | 207.14 | 200.70 | 205.77 | 204.52 | 1,504,400 |
| 2026-06-01 | 200.57 | 206.25 | 200.00 | 206.10 | 204.84 | 1,416,000 |
| 2026-05-29 | 201.88 | 203.73 | 200.30 | 201.11 | 199.88 | 1,788,100 |
| 2026-05-28 | 202.90 | 206.20 | 200.04 | 202.65 | 201.42 | 1,139,900 |
| 2026-05-27 | 205.06 | 208.99 | 202.00 | 202.85 | 201.61 | 1,596,900 |
| 2026-05-26 | 202.96 | 206.01 | 202.10 | 203.96 | 202.72 | 2,265,800 |
| 2026-05-22 | 206.50 | 207.41 | 203.12 | 204.75 | 203.50 | 1,240,300 |
| 2026-05-21 | 201.95 | 207.95 | 200.00 | 207.41 | 206.15 | 1,351,700 |
| 2026-05-20 | 203.35 | 204.98 | 199.67 | 203.61 | 202.37 | 1,470,500 |
| 2026-05-19 | 209.24 | 210.24 | 203.41 | 203.45 | 202.21 | 1,961,800 |
| 2026-05-18 | 199.88 | 208.15 | 198.88 | 207.15 | 205.89 | 1,614,000 |
| 2026-05-15 | 199.72 | 200.67 | 196.32 | 199.95 | 198.73 | 2,388,400 |
| 2026-05-14 | 195.18 | 198.74 | 193.49 | 197.68 | 196.48 | 3,020,100 |
| 2026-05-13 | 194.78 | 197.22 | 190.75 | 192.00 | 190.83 | 2,543,300 |
| 2026-05-12 | 199.40 | 202.91 | 195.81 | 197.40 | 196.20 | 2,051,200 |
| 2026-05-11 | 197.95 | 200.34 | 195.14 | 198.57 | 197.36 | 1,809,600 |
| 2026-05-08 | 200.89 | 201.19 | 196.65 | 198.87 | 197.66 | 1,596,700 |
| 2026-05-07 | 194.27 | 203.13 | 194.15 | 201.94 | 200.71 | 3,218,100 |
| 2026-05-06 | 207.40 | 209.08 | 196.80 | 196.91 | 195.71 | 2,243,900 |
| 2026-05-05 | 206.29 | 207.69 | 204.72 | 205.80 | 204.55 | 1,290,900 |
| 2026-05-04 | 207.89 | 211.08 | 205.64 | 207.03 | 205.77 | 1,213,500 |
| 2026-05-01 | 217.00 | 218.88 | 206.57 | 208.11 | 206.84 | 2,392,400 |
| 2026-04-30 | 210.31 | 210.31 | 202.21 | 206.40 | 205.14 | 3,093,700 |
| 2026-04-29 | 212.88 | 214.40 | 210.34 | 211.81 | 210.52 | 1,288,200 |
| 2026-04-28 | 215.85 | 217.00 | 209.78 | 213.42 | 212.12 | 1,367,600 |
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.