Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2015-10-30 | 44.100 | 44.260 | 43.560 | 43.730 | 36.185 | 1,398,400 |
| 2015-10-29 | 43.730 | 44.290 | 43.730 | 44.150 | 36.532 | 1,306,700 |
| 2015-10-28 | 44.030 | 44.300 | 43.630 | 44.050 | 36.449 | 1,606,000 |
| 2015-10-27 | 43.500 | 43.730 | 43.320 | 43.650 | 36.118 | 1,244,600 |
| 2015-10-26 | 43.570 | 43.820 | 43.320 | 43.720 | 36.176 | 1,056,700 |
| 2015-10-23 | 43.760 | 43.940 | 43.470 | 43.560 | 36.044 | 1,390,000 |
| 2015-10-22 | 43.340 | 43.800 | 43.230 | 43.580 | 36.060 | 948,300 |
| 2015-10-21 | 43.600 | 43.760 | 43.030 | 43.120 | 35.680 | 695,100 |
| 2015-10-20 | 42.600 | 43.620 | 42.560 | 43.450 | 35.953 | 1,510,600 |
| 2015-10-19 | 42.760 | 42.950 | 42.590 | 42.710 | 35.341 | 1,458,400 |
| 2015-10-16 | 42.520 | 42.900 | 42.490 | 42.850 | 35.456 | 1,280,300 |
| 2015-10-15 | 42.670 | 42.770 | 42.210 | 42.490 | 35.159 | 1,082,500 |
| 2015-10-14 | 42.250 | 42.550 | 41.640 | 42.450 | 35.125 | 1,100,900 |
| 2015-10-13 | 42.490 | 42.680 | 42.240 | 42.260 | 34.968 | 501,000 |
| 2015-10-12 | 42.510 | 42.720 | 42.440 | 42.690 | 35.324 | 678,000 |
| 2015-10-09 | 42.540 | 42.690 | 42.470 | 42.560 | 35.216 | 778,300 |
| 2015-10-08 | 42.110 | 42.630 | 41.920 | 42.550 | 35.208 | 840,500 |
| 2015-10-07 | 42.420 | 42.620 | 41.680 | 42.190 | 34.910 | 1,472,500 |
| 2015-10-06 | 41.920 | 42.220 | 41.920 | 42.130 | 34.861 | 1,121,700 |
| 2015-10-05 | 41.910 | 42.210 | 41.800 | 42.110 | 34.844 | 1,403,500 |
| 2015-10-02 | 40.540 | 41.810 | 40.540 | 41.810 | 34.596 | 853,800 |
| 2015-10-01 | 41.190 | 41.350 | 40.670 | 41.240 | 34.124 | 891,400 |
| 2015-09-30 | 40.910 | 41.340 | 40.700 | 41.280 | 34.157 | 1,237,900 |
| 2015-09-29 | 40.910 | 41.100 | 40.500 | 40.780 | 33.744 | 1,419,100 |
| 2015-09-28 | 41.800 | 41.900 | 41.040 | 41.140 | 34.041 | 1,251,000 |
| 2015-09-25 | 42.230 | 42.410 | 41.880 | 41.990 | 34.745 | 1,261,000 |
| 2015-09-24 | 41.850 | 41.960 | 41.570 | 41.880 | 34.654 | 1,269,900 |
| 2015-09-23 | 42.300 | 42.420 | 41.920 | 42.110 | 34.844 | 855,200 |
| 2015-09-22 | 41.810 | 42.330 | 41.670 | 42.280 | 34.985 | 1,943,900 |
| 2015-09-21 | 42.290 | 42.440 | 42.070 | 42.330 | 35.026 | 1,411,000 |
| 2015-09-18 | 42.020 | 42.320 | 41.620 | 41.850 | 34.629 | 3,015,000 |
| 2015-09-17 | 42.510 | 42.910 | 42.250 | 42.470 | 35.142 | 1,199,200 |
| 2015-09-16 | 42.320 | 42.610 | 42.110 | 42.480 | 35.150 | 909,800 |
| 2015-09-15 | 42.080 | 42.360 | 41.980 | 42.260 | 34.968 | 882,800 |
| 2015-09-14 | 41.980 | 42.160 | 41.870 | 42.010 | 34.761 | 1,094,000 |
| 2015-09-11 | 42.010 | 42.120 | 41.760 | 42.000 | 34.753 | 1,087,700 |
| 2015-09-10 | 42.010 | 42.430 | 41.990 | 42.100 | 34.836 | 952,900 |
| 2015-09-09 | 42.770 | 42.990 | 42.170 | 42.220 | 34.935 | 1,291,900 |
| 2015-09-08 | 42.250 | 42.680 | 42.000 | 42.460 | 35.134 | 2,074,300 |
| 2015-09-04 | 41.980 | 42.200 | 41.580 | 41.670 | 34.480 | 1,336,200 |
| 2015-09-03 | 42.470 | 42.650 | 42.340 | 42.400 | 35.084 | 1,585,800 |
| 2015-09-02 | 42.560 | 42.560 | 41.880 | 42.410 | 35.092 | 685,500 |
| 2015-09-01 | 42.830 | 43.090 | 42.180 | 42.330 | 34.720 | 1,059,800 |
| 2015-08-31 | 43.790 | 43.880 | 43.570 | 43.720 | 35.860 | 829,700 |
| 2015-08-28 | 43.950 | 44.210 | 43.770 | 43.870 | 35.983 | 999,400 |
| 2015-08-27 | 43.850 | 44.340 | 43.570 | 44.240 | 36.287 | 882,600 |
| 2015-08-26 | 43.760 | 43.760 | 42.550 | 43.300 | 35.516 | 1,458,500 |
| 2015-08-25 | 43.940 | 43.980 | 42.610 | 42.620 | 34.958 | 1,213,600 |
| 2015-08-24 | 42.710 | 43.990 | 39.990 | 43.090 | 35.343 | 1,035,300 |
| 2015-08-21 | 45.890 | 46.120 | 44.810 | 44.810 | 36.754 | 1,227,200 |
| 2015-08-20 | 46.750 | 46.830 | 46.330 | 46.330 | 38.001 | 600,500 |
| 2015-08-19 | 47.430 | 47.460 | 46.920 | 47.120 | 38.649 | 421,800 |
| 2015-08-18 | 47.630 | 47.780 | 47.520 | 47.670 | 39.100 | 473,600 |
| 2015-08-17 | 47.070 | 47.710 | 46.870 | 47.710 | 39.133 | 829,400 |
| 2015-08-14 | 46.970 | 47.310 | 46.860 | 47.300 | 38.796 | 656,700 |
| 2015-08-13 | 47.100 | 47.430 | 46.890 | 47.030 | 38.575 | 989,100 |
| 2015-08-12 | 47.380 | 47.440 | 46.830 | 47.170 | 38.690 | 1,009,000 |
| 2015-08-11 | 47.610 | 47.840 | 47.340 | 47.720 | 39.141 | 537,600 |
| 2015-08-10 | 48.050 | 48.220 | 47.860 | 47.920 | 39.305 | 570,000 |
| 2015-08-07 | 47.370 | 47.620 | 47.130 | 47.600 | 39.043 | 446,100 |
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.