Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2015-05-12 | 47.550 | 47.960 | 47.190 | 47.790 | 38.898 | 539,500 |
| 2015-05-11 | 47.680 | 48.140 | 47.650 | 47.830 | 38.931 | 893,100 |
| 2015-05-08 | 48.160 | 48.260 | 47.850 | 47.860 | 38.955 | 801,000 |
| 2015-05-07 | 47.620 | 47.890 | 47.390 | 47.740 | 38.858 | 757,100 |
| 2015-05-06 | 47.190 | 47.520 | 46.870 | 47.500 | 38.662 | 829,900 |
| 2015-05-05 | 47.500 | 47.750 | 46.850 | 47.190 | 38.410 | 1,714,900 |
| 2015-05-04 | 47.980 | 48.110 | 47.650 | 47.710 | 38.833 | 627,800 |
| 2015-05-01 | 48.010 | 48.330 | 47.880 | 47.920 | 39.004 | 608,200 |
| 2015-04-30 | 48.430 | 48.470 | 47.710 | 47.830 | 38.931 | 1,145,100 |
| 2015-04-29 | 48.340 | 48.740 | 48.190 | 48.550 | 39.517 | 1,145,500 |
| 2015-04-28 | 48.450 | 48.960 | 48.330 | 48.670 | 39.615 | 1,390,800 |
| 2015-04-27 | 49.060 | 49.080 | 48.430 | 48.530 | 39.501 | 1,211,900 |
| 2015-04-24 | 47.580 | 49.110 | 47.540 | 49.060 | 39.932 | 1,855,200 |
| 2015-04-23 | 47.480 | 48.020 | 47.480 | 47.760 | 38.874 | 1,004,500 |
| 2015-04-22 | 47.660 | 47.710 | 47.210 | 47.710 | 38.833 | 465,900 |
| 2015-04-21 | 47.980 | 48.140 | 47.400 | 47.660 | 38.793 | 910,800 |
| 2015-04-20 | 47.750 | 48.030 | 47.710 | 47.910 | 38.996 | 821,700 |
| 2015-04-17 | 47.720 | 47.720 | 47.110 | 47.660 | 38.793 | 993,000 |
| 2015-04-16 | 47.770 | 48.210 | 47.710 | 47.980 | 39.053 | 753,200 |
| 2015-04-15 | 48.000 | 48.070 | 47.730 | 47.780 | 38.890 | 721,200 |
| 2015-04-14 | 47.620 | 47.980 | 47.360 | 47.940 | 39.021 | 492,800 |
| 2015-04-13 | 47.690 | 47.740 | 47.270 | 47.710 | 38.833 | 446,300 |
| 2015-04-10 | 47.320 | 47.860 | 47.320 | 47.650 | 38.785 | 500,500 |
| 2015-04-09 | 47.210 | 47.500 | 46.960 | 47.370 | 38.557 | 553,800 |
| 2015-04-08 | 46.840 | 47.340 | 46.740 | 47.340 | 38.532 | 452,600 |
| 2015-04-07 | 47.180 | 47.250 | 46.810 | 46.830 | 38.117 | 564,100 |
| 2015-04-06 | 46.500 | 47.400 | 46.500 | 47.130 | 38.361 | 775,000 |
| 2015-04-02 | 46.600 | 46.970 | 46.370 | 46.860 | 38.142 | 847,400 |
| 2015-04-01 | 46.750 | 46.940 | 46.300 | 46.730 | 38.036 | 844,900 |
| 2015-03-31 | 47.120 | 47.120 | 46.680 | 46.750 | 38.052 | 1,092,200 |
| 2015-03-30 | 47.110 | 47.720 | 47.000 | 47.410 | 38.589 | 727,300 |
| 2015-03-27 | 46.560 | 46.890 | 46.430 | 46.800 | 38.093 | 615,300 |
| 2015-03-26 | 46.240 | 46.920 | 46.080 | 46.630 | 37.954 | 848,700 |
| 2015-03-25 | 47.220 | 47.220 | 46.310 | 46.310 | 37.694 | 608,000 |
| 2015-03-24 | 47.390 | 47.560 | 47.020 | 47.060 | 38.304 | 522,000 |
| 2015-03-23 | 47.770 | 47.780 | 47.400 | 47.400 | 38.581 | 684,200 |
| 2015-03-20 | 47.680 | 47.840 | 47.490 | 47.640 | 38.776 | 2,298,900 |
| 2015-03-19 | 47.510 | 47.780 | 47.380 | 47.590 | 38.736 | 726,200 |
| 2015-03-18 | 47.300 | 48.010 | 47.080 | 47.740 | 38.858 | 751,000 |
| 2015-03-17 | 47.340 | 47.530 | 47.060 | 47.480 | 38.646 | 906,000 |
| 2015-03-16 | 46.700 | 47.480 | 46.590 | 47.440 | 38.614 | 1,027,100 |
| 2015-03-13 | 46.980 | 47.070 | 46.270 | 46.500 | 37.848 | 450,900 |
| 2015-03-12 | 46.410 | 46.960 | 46.410 | 46.920 | 38.190 | 682,700 |
| 2015-03-11 | 45.820 | 46.210 | 45.560 | 46.170 | 37.580 | 970,200 |
| 2015-03-10 | 45.770 | 46.190 | 45.630 | 45.640 | 37.148 | 1,190,400 |
| 2015-03-09 | 45.850 | 46.180 | 45.850 | 46.080 | 37.507 | 1,176,100 |
| 2015-03-06 | 46.380 | 46.680 | 45.770 | 45.810 | 37.287 | 684,800 |
| 2015-03-05 | 46.500 | 46.730 | 46.190 | 46.460 | 37.816 | 878,600 |
| 2015-03-04 | 46.600 | 46.820 | 46.490 | 46.540 | 37.881 | 622,500 |
| 2015-03-03 | 46.800 | 47.010 | 46.760 | 46.810 | 38.101 | 599,300 |
| 2015-03-02 | 46.750 | 46.980 | 46.600 | 46.950 | 38.215 | 711,700 |
| 2015-02-27 | 47.270 | 47.410 | 46.980 | 46.990 | 37.946 | 811,400 |
| 2015-02-26 | 47.350 | 47.390 | 47.110 | 47.320 | 38.213 | 551,200 |
| 2015-02-25 | 47.480 | 47.610 | 47.190 | 47.280 | 38.180 | 790,600 |
| 2015-02-24 | 47.720 | 48.090 | 47.170 | 47.600 | 38.439 | 1,471,000 |
| 2015-02-23 | 48.430 | 48.460 | 47.540 | 47.870 | 38.657 | 692,400 |
| 2015-02-20 | 48.400 | 48.580 | 48.140 | 48.550 | 39.206 | 608,300 |
| 2015-02-19 | 48.250 | 48.710 | 48.240 | 48.500 | 39.166 | 1,435,200 |
| 2015-02-18 | 47.950 | 48.360 | 47.770 | 48.340 | 39.036 | 1,172,800 |
| 2015-02-17 | 48.070 | 48.170 | 47.550 | 48.000 | 38.762 | 1,297,000 |
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.