Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2021-01-28 | 115.16 | 116.68 | 114.05 | 115.51 | 108.53 | 1,156,300 |
| 2021-01-27 | 116.13 | 116.79 | 112.92 | 113.11 | 106.28 | 1,746,100 |
| 2021-01-26 | 118.23 | 118.95 | 117.07 | 117.41 | 110.32 | 887,600 |
| 2021-01-25 | 117.58 | 119.29 | 117.08 | 118.29 | 111.14 | 697,100 |
| 2021-01-22 | 118.84 | 119.19 | 117.49 | 117.84 | 110.72 | 715,300 |
| 2021-01-21 | 119.17 | 120.15 | 118.84 | 119.09 | 111.89 | 679,000 |
| 2021-01-20 | 117.53 | 119.73 | 117.16 | 119.47 | 112.25 | 574,700 |
| 2021-01-19 | 115.95 | 117.91 | 115.01 | 117.40 | 110.31 | 899,800 |
| 2021-01-15 | 115.81 | 116.52 | 115.25 | 116.11 | 109.09 | 867,200 |
| 2021-01-14 | 118.02 | 118.12 | 115.94 | 116.01 | 109.00 | 892,100 |
| 2021-01-13 | 117.93 | 118.97 | 116.55 | 117.93 | 110.80 | 957,700 |
| 2021-01-12 | 118.32 | 119.17 | 117.83 | 118.54 | 111.38 | 741,600 |
| 2021-01-11 | 119.67 | 120.57 | 118.03 | 118.46 | 111.30 | 691,800 |
| 2021-01-08 | 117.90 | 122.83 | 117.90 | 120.85 | 113.55 | 824,200 |
| 2021-01-07 | 122.57 | 123.63 | 121.77 | 122.33 | 114.94 | 742,300 |
| 2021-01-06 | 119.85 | 122.20 | 119.15 | 121.93 | 114.56 | 864,600 |
| 2021-01-05 | 120.42 | 120.87 | 118.87 | 119.44 | 112.22 | 602,300 |
| 2021-01-04 | 123.64 | 123.71 | 119.12 | 120.24 | 112.97 | 800,700 |
| 2020-12-31 | 121.96 | 123.90 | 121.14 | 123.71 | 116.23 | 487,900 |
| 2020-12-30 | 122.12 | 122.66 | 121.57 | 121.70 | 114.35 | 426,600 |
| 2020-12-29 | 123.42 | 123.44 | 121.27 | 121.53 | 114.19 | 549,500 |
| 2020-12-28 | 124.13 | 124.40 | 122.71 | 123.03 | 115.60 | 368,500 |
| 2020-12-24 | 123.02 | 123.69 | 122.65 | 123.42 | 115.96 | 223,000 |
| 2020-12-23 | 124.13 | 124.74 | 123.00 | 123.04 | 115.61 | 480,500 |
| 2020-12-22 | 124.82 | 124.82 | 123.57 | 123.81 | 116.33 | 729,800 |
| 2020-12-21 | 124.70 | 125.00 | 121.68 | 125.00 | 117.45 | 847,300 |
| 2020-12-18 | 128.08 | 128.50 | 124.82 | 125.32 | 117.75 | 1,484,500 |
| 2020-12-17 | 127.16 | 129.12 | 126.76 | 128.19 | 120.44 | 1,015,100 |
| 2020-12-16 | 124.44 | 126.71 | 124.31 | 126.45 | 118.81 | 981,400 |
| 2020-12-15 | 121.48 | 123.91 | 121.48 | 123.63 | 116.16 | 928,400 |
| 2020-12-14 | 120.67 | 122.01 | 119.88 | 120.50 | 113.22 | 1,112,100 |
| 2020-12-11 | 119.00 | 121.27 | 118.80 | 119.94 | 112.69 | 995,800 |
| 2020-12-10 | 117.27 | 119.69 | 116.85 | 119.51 | 112.29 | 1,170,800 |
| 2020-12-09 | 117.20 | 117.72 | 116.38 | 117.48 | 110.38 | 850,200 |
| 2020-12-08 | 114.96 | 117.36 | 114.83 | 116.90 | 109.84 | 775,000 |
| 2020-12-07 | 115.98 | 117.00 | 115.54 | 116.00 | 108.99 | 762,600 |
| 2020-12-04 | 115.61 | 116.36 | 115.35 | 116.02 | 109.01 | 556,700 |
| 2020-12-03 | 115.81 | 116.27 | 115.17 | 115.77 | 108.77 | 702,900 |
| 2020-12-02 | 116.62 | 117.18 | 115.69 | 116.43 | 108.97 | 536,100 |
| 2020-12-01 | 116.39 | 116.75 | 115.82 | 116.71 | 109.23 | 672,800 |
| 2020-11-30 | 115.56 | 116.12 | 115.03 | 115.41 | 108.02 | 928,700 |
| 2020-11-27 | 115.97 | 116.50 | 114.57 | 115.86 | 108.44 | 342,400 |
| 2020-11-25 | 116.12 | 116.37 | 113.89 | 116.07 | 108.63 | 1,236,600 |
| 2020-11-24 | 116.12 | 117.34 | 115.32 | 116.42 | 108.96 | 1,141,700 |
| 2020-11-23 | 116.02 | 116.65 | 114.42 | 115.41 | 108.02 | 784,400 |
| 2020-11-20 | 116.26 | 117.12 | 115.22 | 115.55 | 108.15 | 1,937,400 |
| 2020-11-19 | 114.99 | 116.32 | 114.25 | 116.04 | 108.61 | 648,700 |
| 2020-11-18 | 117.33 | 117.59 | 114.98 | 115.45 | 108.05 | 726,800 |
| 2020-11-17 | 116.73 | 117.75 | 115.50 | 117.08 | 109.58 | 1,040,300 |
| 2020-11-16 | 116.60 | 117.48 | 115.73 | 117.43 | 109.91 | 704,600 |
| 2020-11-13 | 113.34 | 115.84 | 113.32 | 115.71 | 108.30 | 605,500 |
| 2020-11-12 | 112.71 | 113.60 | 112.41 | 113.15 | 105.90 | 569,900 |
| 2020-11-11 | 114.09 | 114.61 | 113.29 | 114.17 | 106.86 | 743,600 |
| 2020-11-10 | 110.32 | 114.46 | 110.00 | 113.64 | 106.36 | 1,135,000 |
| 2020-11-09 | 116.31 | 118.39 | 109.89 | 109.98 | 102.94 | 1,797,000 |
| 2020-11-06 | 110.44 | 111.55 | 109.75 | 110.51 | 103.43 | 736,000 |
| 2020-11-05 | 112.57 | 113.11 | 109.61 | 109.77 | 102.74 | 877,300 |
| 2020-11-04 | 107.33 | 113.65 | 106.83 | 111.75 | 104.59 | 1,209,100 |
| 2020-11-03 | 107.93 | 109.00 | 106.73 | 107.99 | 101.07 | 845,900 |
| 2020-11-02 | 105.15 | 106.99 | 104.11 | 106.53 | 99.706 | 1,092,700 |
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.