Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2013-03-21 | 40.100 | 40.380 | 40.090 | 40.230 | 30.759 | 864,500 |
| 2013-03-20 | 40.000 | 40.340 | 39.820 | 40.290 | 30.805 | 666,700 |
| 2013-03-19 | 39.670 | 39.910 | 39.430 | 39.900 | 30.507 | 763,000 |
| 2013-03-18 | 39.310 | 39.700 | 39.200 | 39.590 | 30.270 | 742,400 |
| 2013-03-15 | 39.510 | 39.660 | 39.400 | 39.640 | 30.308 | 959,500 |
| 2013-03-14 | 39.170 | 39.640 | 39.170 | 39.520 | 30.216 | 524,000 |
| 2013-03-13 | 38.830 | 39.260 | 38.660 | 39.170 | 29.949 | 452,800 |
| 2013-03-12 | 38.840 | 38.900 | 38.630 | 38.740 | 29.620 | 414,400 |
| 2013-03-11 | 38.720 | 38.910 | 38.650 | 38.880 | 29.727 | 271,000 |
| 2013-03-08 | 38.620 | 38.860 | 38.490 | 38.760 | 29.635 | 909,600 |
| 2013-03-07 | 38.470 | 38.570 | 38.280 | 38.420 | 29.375 | 449,300 |
| 2013-03-06 | 38.820 | 38.940 | 38.290 | 38.390 | 29.352 | 548,700 |
| 2013-03-05 | 38.390 | 38.820 | 38.350 | 38.790 | 29.658 | 426,000 |
| 2013-03-04 | 38.230 | 38.400 | 38.020 | 38.330 | 29.306 | 389,800 |
| 2013-03-01 | 38.320 | 38.370 | 37.950 | 38.260 | 29.253 | 778,200 |
| 2013-02-28 | 38.380 | 38.830 | 38.290 | 38.480 | 29.421 | 633,600 |
| 2013-02-27 | 38.310 | 38.710 | 38.210 | 38.670 | 29.299 | 464,100 |
| 2013-02-26 | 38.240 | 38.450 | 38.030 | 38.390 | 29.087 | 480,700 |
| 2013-02-25 | 38.810 | 38.920 | 38.010 | 38.010 | 28.799 | 525,200 |
| 2013-02-22 | 38.600 | 38.820 | 38.550 | 38.730 | 29.344 | 673,300 |
| 2013-02-21 | 38.560 | 38.680 | 38.360 | 38.450 | 29.132 | 600,400 |
| 2013-02-20 | 38.850 | 39.000 | 38.650 | 38.660 | 29.291 | 488,900 |
| 2013-02-19 | 38.820 | 38.930 | 38.580 | 38.850 | 29.435 | 1,105,000 |
| 2013-02-15 | 38.800 | 38.900 | 38.560 | 38.870 | 29.450 | 580,500 |
| 2013-02-14 | 38.430 | 38.930 | 38.430 | 38.820 | 29.412 | 719,800 |
| 2013-02-13 | 37.990 | 38.640 | 37.900 | 38.540 | 29.200 | 852,000 |
| 2013-02-12 | 37.900 | 38.000 | 37.770 | 37.820 | 28.655 | 754,600 |
| 2013-02-11 | 37.880 | 38.000 | 37.690 | 37.880 | 28.700 | 500,700 |
| 2013-02-08 | 38.000 | 38.080 | 37.830 | 37.970 | 28.768 | 397,400 |
| 2013-02-07 | 38.090 | 38.240 | 37.830 | 38.010 | 28.799 | 512,700 |
| 2013-02-06 | 37.920 | 38.140 | 37.820 | 38.140 | 28.897 | 624,700 |
| 2013-02-05 | 37.790 | 37.970 | 37.700 | 37.960 | 28.761 | 855,600 |
| 2013-02-04 | 37.360 | 37.750 | 37.300 | 37.700 | 28.564 | 1,732,000 |
| 2013-02-01 | 37.660 | 37.810 | 37.080 | 37.390 | 28.329 | 1,358,900 |
| 2013-01-31 | 36.500 | 37.190 | 36.500 | 36.950 | 27.996 | 3,124,300 |
| 2013-01-30 | 36.160 | 36.740 | 36.160 | 36.310 | 27.511 | 2,382,400 |
| 2013-01-29 | 35.690 | 36.000 | 35.690 | 35.830 | 27.147 | 916,900 |
| 2013-01-28 | 36.000 | 36.000 | 35.620 | 35.680 | 27.033 | 833,200 |
| 2013-01-25 | 35.550 | 35.980 | 35.550 | 35.980 | 27.261 | 662,900 |
| 2013-01-24 | 35.740 | 35.870 | 35.330 | 35.370 | 26.799 | 674,400 |
| 2013-01-23 | 35.840 | 35.850 | 35.600 | 35.630 | 26.996 | 503,100 |
| 2013-01-22 | 35.500 | 35.930 | 35.470 | 35.820 | 27.139 | 577,200 |
| 2013-01-18 | 35.530 | 35.560 | 35.300 | 35.490 | 26.889 | 581,000 |
| 2013-01-17 | 35.370 | 35.550 | 35.210 | 35.470 | 26.874 | 419,600 |
| 2013-01-16 | 35.270 | 35.410 | 35.070 | 35.260 | 26.715 | 336,700 |
| 2013-01-15 | 35.250 | 35.550 | 35.250 | 35.390 | 26.814 | 486,100 |
| 2013-01-14 | 35.500 | 35.560 | 35.120 | 35.410 | 26.829 | 531,600 |
| 2013-01-11 | 35.730 | 35.850 | 35.280 | 35.590 | 26.965 | 624,600 |
| 2013-01-10 | 35.700 | 35.770 | 35.550 | 35.690 | 27.041 | 438,100 |
| 2013-01-09 | 35.500 | 35.580 | 35.400 | 35.520 | 26.912 | 405,200 |
| 2013-01-08 | 35.700 | 35.880 | 35.340 | 35.410 | 26.829 | 652,500 |
| 2013-01-07 | 35.160 | 35.860 | 35.140 | 35.780 | 27.109 | 1,133,300 |
| 2013-01-04 | 35.470 | 35.520 | 35.120 | 35.250 | 26.708 | 1,079,100 |
| 2013-01-03 | 35.560 | 35.670 | 35.160 | 35.340 | 26.776 | 684,600 |
| 2013-01-02 | 35.150 | 35.510 | 34.970 | 35.500 | 26.897 | 688,200 |
| 2012-12-31 | 34.460 | 34.650 | 34.200 | 34.650 | 26.253 | 615,800 |
| 2012-12-28 | 34.460 | 34.690 | 34.260 | 34.470 | 26.117 | 459,600 |
| 2012-12-27 | 34.840 | 34.930 | 34.430 | 34.660 | 26.261 | 526,300 |
| 2012-12-26 | 35.060 | 35.170 | 34.760 | 34.830 | 26.389 | 585,600 |
| 2012-12-24 | 35.000 | 35.110 | 34.980 | 35.000 | 26.518 | 202,300 |
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.