Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-07-21 | 139.90 | 146.98 | 139.29 | 140.85 | 133.30 | 1,420,700 |
| 2021-07-20 | 137.18 | 139.82 | 136.69 | 139.27 | 131.80 | 1,080,700 |
| 2021-07-19 | 138.70 | 138.83 | 135.50 | 136.64 | 129.31 | 900,000 |
| 2021-07-16 | 140.33 | 140.82 | 139.67 | 139.92 | 132.42 | 494,500 |
| 2021-07-15 | 138.00 | 140.83 | 138.00 | 140.14 | 132.63 | 597,100 |
| 2021-07-14 | 139.03 | 139.61 | 138.39 | 138.90 | 131.45 | 695,800 |
| 2021-07-13 | 140.93 | 140.93 | 138.93 | 139.14 | 131.68 | 485,400 |
| 2021-07-12 | 140.32 | 141.75 | 140.27 | 140.98 | 133.42 | 789,300 |
| 2021-07-09 | 140.14 | 140.52 | 139.60 | 140.50 | 132.97 | 991,700 |
| 2021-07-08 | 140.75 | 140.92 | 138.49 | 138.82 | 131.38 | 987,300 |
| 2021-07-07 | 140.60 | 142.02 | 140.60 | 141.84 | 134.23 | 664,900 |
| 2021-07-06 | 141.02 | 141.03 | 139.98 | 140.96 | 133.40 | 998,800 |
| 2021-07-02 | 140.62 | 140.62 | 139.72 | 140.30 | 132.78 | 939,700 |
| 2021-07-01 | 140.44 | 141.04 | 139.96 | 140.42 | 132.89 | 990,400 |
| 2021-06-30 | 141.09 | 141.43 | 139.25 | 140.08 | 132.57 | 915,300 |
| 2021-06-29 | 141.07 | 141.85 | 140.76 | 141.20 | 133.63 | 688,400 |
| 2021-06-28 | 141.96 | 141.96 | 140.35 | 140.68 | 133.14 | 763,800 |
| 2021-06-25 | 140.33 | 141.96 | 140.22 | 141.90 | 134.29 | 607,100 |
| 2021-06-24 | 140.83 | 140.84 | 139.43 | 140.34 | 132.82 | 744,600 |
| 2021-06-23 | 140.10 | 141.00 | 139.47 | 140.43 | 132.90 | 1,208,600 |
| 2021-06-22 | 139.82 | 141.24 | 139.44 | 140.21 | 132.69 | 1,222,100 |
| 2021-06-21 | 138.24 | 139.66 | 137.78 | 139.66 | 132.17 | 1,388,300 |
| 2021-06-18 | 139.36 | 139.42 | 137.25 | 137.56 | 130.18 | 2,316,100 |
| 2021-06-17 | 141.87 | 142.36 | 137.71 | 139.40 | 131.93 | 2,348,500 |
| 2021-06-16 | 144.95 | 145.90 | 141.63 | 141.80 | 134.20 | 2,489,800 |
| 2021-06-15 | 144.58 | 145.39 | 143.65 | 144.54 | 136.79 | 923,100 |
| 2021-06-14 | 144.16 | 144.48 | 143.55 | 144.46 | 136.71 | 845,300 |
| 2021-06-11 | 144.48 | 145.16 | 143.97 | 144.61 | 136.86 | 1,022,200 |
| 2021-06-10 | 145.18 | 145.71 | 144.29 | 144.33 | 136.59 | 606,500 |
| 2021-06-09 | 144.00 | 144.75 | 143.75 | 144.39 | 136.65 | 572,700 |
| 2021-06-08 | 143.36 | 144.41 | 143.12 | 144.00 | 136.28 | 1,762,300 |
| 2021-06-07 | 144.93 | 145.21 | 143.37 | 143.54 | 135.84 | 1,461,800 |
| 2021-06-04 | 145.25 | 145.65 | 143.87 | 144.87 | 137.10 | 1,223,100 |
| 2021-06-03 | 145.98 | 146.93 | 144.41 | 144.58 | 136.83 | 1,828,700 |
| 2021-06-02 | 146.55 | 147.39 | 145.52 | 146.65 | 138.33 | 909,300 |
| 2021-06-01 | 147.57 | 148.21 | 145.90 | 146.53 | 138.22 | 1,203,400 |
| 2021-05-28 | 147.00 | 147.19 | 146.05 | 146.61 | 138.30 | 915,900 |
| 2021-05-27 | 145.74 | 146.64 | 144.48 | 146.35 | 138.05 | 1,663,800 |
| 2021-05-26 | 144.69 | 145.96 | 143.92 | 145.15 | 136.92 | 1,707,100 |
| 2021-05-25 | 145.40 | 145.69 | 144.37 | 144.40 | 136.21 | 1,338,300 |
| 2021-05-24 | 145.71 | 146.31 | 145.00 | 145.09 | 136.86 | 1,039,500 |
| 2021-05-21 | 146.54 | 147.19 | 144.07 | 144.90 | 136.68 | 1,108,700 |
| 2021-05-20 | 146.02 | 147.17 | 145.26 | 146.64 | 138.32 | 1,037,300 |
| 2021-05-19 | 146.26 | 146.48 | 143.95 | 145.39 | 137.14 | 1,476,000 |
| 2021-05-18 | 147.11 | 147.71 | 145.88 | 147.06 | 138.72 | 1,393,800 |
| 2021-05-17 | 145.81 | 147.56 | 145.65 | 146.50 | 138.19 | 1,498,000 |
| 2021-05-14 | 146.75 | 148.58 | 146.37 | 147.30 | 138.95 | 4,210,100 |
| 2021-05-13 | 143.37 | 146.65 | 143.00 | 145.86 | 137.59 | 5,178,900 |
| 2021-05-12 | 148.00 | 148.68 | 143.75 | 143.86 | 135.70 | 2,069,600 |
| 2021-05-11 | 150.72 | 150.77 | 147.74 | 148.46 | 140.04 | 756,300 |
| 2021-05-10 | 152.46 | 154.03 | 150.73 | 150.79 | 142.24 | 806,300 |
| 2021-05-07 | 148.25 | 151.37 | 148.09 | 151.16 | 142.59 | 644,800 |
| 2021-05-06 | 148.00 | 149.40 | 147.60 | 148.84 | 140.40 | 1,095,300 |
| 2021-05-05 | 145.41 | 147.56 | 144.67 | 147.46 | 139.10 | 622,200 |
| 2021-05-04 | 144.51 | 145.67 | 143.93 | 145.50 | 137.25 | 863,100 |
| 2021-05-03 | 144.44 | 145.65 | 142.83 | 145.06 | 136.83 | 840,100 |
| 2021-04-30 | 141.80 | 145.60 | 140.69 | 144.95 | 136.73 | 1,040,800 |
| 2021-04-29 | 140.49 | 141.56 | 140.10 | 140.75 | 132.77 | 690,800 |
| 2021-04-28 | 138.59 | 140.31 | 138.42 | 140.06 | 132.12 | 907,600 |
| 2021-04-27 | 136.23 | 138.72 | 135.97 | 138.59 | 130.73 | 802,600 |
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.