Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-03-06 | 80.080 | 80.120 | 78.830 | 78.880 | 71.831 | 1,031,800 |
| 2019-03-05 | 79.800 | 80.470 | 79.420 | 80.000 | 72.851 | 1,700,700 |
| 2019-03-04 | 80.420 | 80.560 | 79.170 | 79.620 | 72.505 | 957,700 |
| 2019-03-01 | 80.620 | 80.720 | 79.850 | 80.320 | 73.143 | 966,100 |
| 2019-02-28 | 80.250 | 80.520 | 79.910 | 80.280 | 73.106 | 1,485,300 |
| 2019-02-27 | 79.660 | 80.520 | 79.430 | 80.520 | 72.933 | 866,300 |
| 2019-02-26 | 80.160 | 80.550 | 79.870 | 79.890 | 72.363 | 756,600 |
| 2019-02-25 | 80.900 | 81.050 | 80.240 | 80.340 | 72.770 | 662,000 |
| 2019-02-22 | 80.900 | 81.090 | 80.300 | 80.600 | 73.006 | 981,000 |
| 2019-02-21 | 80.580 | 80.760 | 80.280 | 80.640 | 73.042 | 963,200 |
| 2019-02-20 | 80.600 | 80.710 | 80.180 | 80.490 | 72.906 | 811,100 |
| 2019-02-19 | 79.650 | 80.470 | 79.390 | 80.370 | 72.797 | 906,300 |
| 2019-02-15 | 79.570 | 80.150 | 79.420 | 79.840 | 72.317 | 1,028,700 |
| 2019-02-14 | 79.010 | 79.630 | 78.570 | 78.880 | 71.448 | 1,166,600 |
| 2019-02-13 | 79.770 | 80.190 | 79.400 | 79.540 | 72.046 | 934,700 |
| 2019-02-12 | 80.210 | 80.410 | 79.560 | 79.690 | 72.181 | 1,278,100 |
| 2019-02-11 | 78.960 | 79.980 | 78.580 | 79.890 | 72.363 | 836,600 |
| 2019-02-08 | 77.610 | 78.840 | 77.610 | 78.830 | 71.402 | 844,500 |
| 2019-02-07 | 77.920 | 78.030 | 76.950 | 77.990 | 70.642 | 1,018,900 |
| 2019-02-06 | 78.430 | 78.620 | 77.480 | 78.400 | 71.013 | 1,699,900 |
| 2019-02-05 | 77.220 | 78.650 | 76.750 | 78.460 | 71.067 | 1,471,800 |
| 2019-02-04 | 76.750 | 77.220 | 76.080 | 77.220 | 69.944 | 1,395,000 |
| 2019-02-01 | 75.000 | 76.930 | 73.900 | 76.880 | 69.636 | 2,295,500 |
| 2019-01-31 | 73.000 | 74.850 | 73.000 | 74.710 | 67.671 | 1,820,500 |
| 2019-01-30 | 72.110 | 73.110 | 71.760 | 72.890 | 66.022 | 1,225,300 |
| 2019-01-29 | 72.920 | 72.920 | 71.550 | 71.920 | 65.144 | 1,455,700 |
| 2019-01-28 | 73.120 | 74.000 | 72.400 | 72.980 | 66.104 | 815,000 |
| 2019-01-25 | 73.960 | 74.220 | 73.210 | 73.500 | 66.575 | 1,080,700 |
| 2019-01-24 | 73.620 | 73.800 | 73.220 | 73.510 | 66.584 | 1,192,200 |
| 2019-01-23 | 73.550 | 73.900 | 72.870 | 73.700 | 66.756 | 772,200 |
| 2019-01-22 | 74.230 | 74.720 | 72.880 | 73.380 | 66.466 | 1,108,300 |
| 2019-01-18 | 74.140 | 74.550 | 74.010 | 74.410 | 67.399 | 1,124,100 |
| 2019-01-17 | 73.330 | 74.110 | 73.170 | 73.910 | 66.946 | 798,100 |
| 2019-01-16 | 73.000 | 73.900 | 72.650 | 73.720 | 66.774 | 1,176,000 |
| 2019-01-15 | 72.650 | 73.080 | 72.370 | 72.910 | 66.040 | 921,700 |
| 2019-01-14 | 72.390 | 72.910 | 72.280 | 72.660 | 65.814 | 1,350,300 |
| 2019-01-11 | 73.270 | 73.350 | 72.430 | 72.700 | 65.850 | 998,100 |
| 2019-01-10 | 72.930 | 73.730 | 72.700 | 73.690 | 66.747 | 595,500 |
| 2019-01-09 | 72.850 | 73.420 | 72.720 | 73.280 | 66.375 | 1,355,800 |
| 2019-01-08 | 72.840 | 73.050 | 71.460 | 72.430 | 65.605 | 895,700 |
| 2019-01-07 | 71.960 | 73.170 | 71.950 | 72.110 | 65.316 | 859,800 |
| 2019-01-04 | 71.300 | 72.380 | 71.090 | 72.320 | 65.506 | 1,159,300 |
| 2019-01-03 | 71.640 | 71.990 | 70.440 | 70.540 | 63.894 | 970,600 |
| 2019-01-02 | 72.660 | 73.070 | 71.430 | 71.890 | 65.116 | 1,060,500 |
| 2018-12-31 | 72.680 | 73.700 | 72.680 | 73.700 | 66.756 | 680,800 |
| 2018-12-28 | 72.460 | 73.270 | 72.190 | 72.520 | 65.687 | 669,900 |
| 2018-12-27 | 70.560 | 72.290 | 69.830 | 72.290 | 65.479 | 772,400 |
| 2018-12-26 | 69.220 | 71.310 | 68.190 | 71.310 | 64.591 | 778,900 |
| 2018-12-24 | 70.830 | 70.890 | 68.940 | 68.990 | 62.490 | 649,300 |
| 2018-12-21 | 72.910 | 74.270 | 71.040 | 71.060 | 64.365 | 2,428,900 |
| 2018-12-20 | 73.210 | 73.350 | 72.310 | 72.900 | 66.031 | 2,045,900 |
| 2018-12-19 | 72.900 | 74.760 | 72.900 | 73.320 | 66.412 | 1,840,600 |
| 2018-12-18 | 72.780 | 73.180 | 72.070 | 72.850 | 65.986 | 1,395,000 |
| 2018-12-17 | 74.130 | 74.240 | 72.100 | 72.410 | 65.587 | 997,200 |
| 2018-12-14 | 74.940 | 75.160 | 73.810 | 74.180 | 67.191 | 955,000 |
| 2018-12-13 | 75.240 | 75.780 | 74.700 | 75.350 | 68.250 | 1,388,600 |
| 2018-12-12 | 75.710 | 76.050 | 75.110 | 75.450 | 68.341 | 815,500 |
| 2018-12-11 | 75.270 | 75.490 | 74.300 | 74.920 | 67.861 | 1,132,300 |
| 2018-12-10 | 74.650 | 74.880 | 73.390 | 74.540 | 67.517 | 1,069,200 |
| 2018-12-07 | 75.140 | 75.930 | 74.200 | 74.520 | 67.499 | 955,200 |
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.