Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-10-14 | 159.83 | 162.04 | 159.61 | 161.67 | 153.51 | 920,600 |
| 2021-10-13 | 157.18 | 158.75 | 155.43 | 158.52 | 150.52 | 913,200 |
| 2021-10-12 | 156.80 | 158.93 | 156.65 | 157.20 | 149.27 | 921,700 |
| 2021-10-11 | 155.96 | 158.22 | 155.52 | 156.92 | 149.00 | 1,087,600 |
| 2021-10-08 | 153.80 | 156.09 | 153.51 | 155.66 | 147.81 | 1,350,300 |
| 2021-10-07 | 153.60 | 154.92 | 153.18 | 153.43 | 145.69 | 1,007,200 |
| 2021-10-06 | 150.47 | 153.05 | 149.88 | 152.83 | 145.12 | 784,600 |
| 2021-10-05 | 149.90 | 152.64 | 149.14 | 151.85 | 144.19 | 932,000 |
| 2021-10-04 | 152.72 | 153.75 | 149.04 | 149.24 | 141.71 | 1,153,300 |
| 2021-10-01 | 149.32 | 153.72 | 148.64 | 152.44 | 144.75 | 680,800 |
| 2021-09-30 | 151.68 | 152.33 | 148.59 | 148.65 | 141.15 | 1,024,100 |
| 2021-09-29 | 150.63 | 151.92 | 150.01 | 150.89 | 143.28 | 518,500 |
| 2021-09-28 | 151.87 | 152.24 | 149.20 | 149.80 | 142.24 | 809,400 |
| 2021-09-27 | 154.13 | 154.20 | 151.72 | 152.40 | 144.71 | 675,700 |
| 2021-09-24 | 152.28 | 154.36 | 152.01 | 154.04 | 146.27 | 959,700 |
| 2021-09-23 | 151.65 | 153.28 | 151.65 | 152.26 | 144.58 | 749,500 |
| 2021-09-22 | 150.00 | 152.40 | 148.85 | 151.39 | 143.75 | 1,335,600 |
| 2021-09-21 | 146.92 | 149.22 | 146.43 | 148.50 | 141.01 | 1,034,300 |
| 2021-09-20 | 146.40 | 147.26 | 144.78 | 146.09 | 138.72 | 1,236,400 |
| 2021-09-17 | 150.37 | 151.57 | 147.96 | 148.39 | 140.90 | 2,601,600 |
| 2021-09-16 | 150.07 | 150.58 | 148.83 | 149.80 | 142.24 | 909,100 |
| 2021-09-15 | 145.78 | 150.55 | 144.52 | 150.19 | 142.61 | 1,831,500 |
| 2021-09-14 | 144.68 | 145.28 | 142.63 | 145.00 | 137.68 | 1,457,200 |
| 2021-09-13 | 145.13 | 145.50 | 142.53 | 144.43 | 137.14 | 1,132,500 |
| 2021-09-10 | 145.92 | 145.99 | 144.02 | 144.08 | 136.81 | 1,301,500 |
| 2021-09-09 | 144.92 | 146.77 | 144.81 | 145.39 | 138.05 | 836,800 |
| 2021-09-08 | 143.60 | 144.78 | 143.55 | 144.50 | 137.21 | 1,442,700 |
| 2021-09-07 | 145.39 | 145.54 | 143.65 | 143.69 | 136.44 | 725,100 |
| 2021-09-03 | 145.48 | 146.50 | 144.87 | 145.49 | 138.15 | 1,114,600 |
| 2021-09-02 | 144.69 | 145.83 | 144.62 | 145.82 | 138.46 | 1,037,800 |
| 2021-09-01 | 143.80 | 144.97 | 142.89 | 144.44 | 136.70 | 1,068,100 |
| 2021-08-31 | 143.45 | 144.48 | 142.90 | 143.62 | 135.92 | 1,375,600 |
| 2021-08-30 | 144.07 | 144.72 | 143.33 | 143.45 | 135.76 | 586,700 |
| 2021-08-27 | 143.01 | 143.87 | 142.74 | 143.76 | 136.05 | 874,700 |
| 2021-08-26 | 142.77 | 143.12 | 142.16 | 142.74 | 135.09 | 640,700 |
| 2021-08-25 | 143.27 | 143.40 | 142.20 | 142.91 | 135.25 | 666,600 |
| 2021-08-24 | 143.32 | 144.01 | 142.68 | 143.40 | 135.71 | 909,300 |
| 2021-08-23 | 143.37 | 144.51 | 143.05 | 143.10 | 135.43 | 947,600 |
| 2021-08-20 | 142.35 | 143.93 | 141.72 | 143.00 | 135.33 | 1,086,100 |
| 2021-08-19 | 140.41 | 142.42 | 140.41 | 142.00 | 134.39 | 1,351,000 |
| 2021-08-18 | 141.18 | 142.50 | 140.71 | 141.13 | 133.56 | 1,183,800 |
| 2021-08-17 | 142.04 | 142.79 | 141.02 | 141.70 | 134.10 | 821,800 |
| 2021-08-16 | 140.30 | 143.23 | 139.76 | 142.93 | 135.27 | 1,583,200 |
| 2021-08-13 | 142.19 | 142.48 | 140.29 | 140.30 | 132.78 | 1,627,800 |
| 2021-08-12 | 142.70 | 142.78 | 140.84 | 141.52 | 133.93 | 927,600 |
| 2021-08-11 | 141.43 | 143.46 | 141.43 | 142.28 | 134.65 | 1,117,100 |
| 2021-08-10 | 140.60 | 141.04 | 140.16 | 140.88 | 133.33 | 873,200 |
| 2021-08-09 | 139.25 | 140.35 | 138.54 | 140.31 | 132.79 | 1,054,800 |
| 2021-08-06 | 139.47 | 139.77 | 138.37 | 139.06 | 131.60 | 870,700 |
| 2021-08-05 | 137.86 | 138.71 | 137.26 | 138.62 | 131.19 | 757,200 |
| 2021-08-04 | 138.19 | 139.03 | 136.92 | 136.95 | 129.61 | 767,900 |
| 2021-08-03 | 139.69 | 140.24 | 138.25 | 138.55 | 131.12 | 1,044,800 |
| 2021-08-02 | 139.83 | 141.16 | 138.93 | 139.18 | 131.72 | 996,300 |
| 2021-07-30 | 139.84 | 141.97 | 139.14 | 139.31 | 131.84 | 1,434,600 |
| 2021-07-29 | 138.66 | 139.97 | 137.96 | 139.51 | 132.03 | 1,147,500 |
| 2021-07-28 | 139.99 | 139.99 | 137.21 | 137.51 | 130.14 | 1,170,000 |
| 2021-07-27 | 139.11 | 141.15 | 138.63 | 140.33 | 132.81 | 1,497,500 |
| 2021-07-26 | 139.00 | 141.37 | 138.61 | 140.22 | 132.70 | 1,746,900 |
| 2021-07-23 | 142.16 | 143.31 | 142.12 | 143.05 | 135.38 | 539,500 |
| 2021-07-22 | 140.95 | 142.53 | 140.95 | 142.11 | 134.49 | 938,100 |
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.