Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2016-01-28 | 37.310 | 37.560 | 36.220 | 36.240 | 30.242 | 3,477,700 |
| 2016-01-27 | 37.200 | 37.530 | 36.820 | 37.070 | 30.935 | 761,700 |
| 2016-01-26 | 37.120 | 37.580 | 37.000 | 37.350 | 31.168 | 832,000 |
| 2016-01-25 | 37.580 | 37.590 | 36.860 | 36.880 | 30.776 | 766,400 |
| 2016-01-22 | 37.310 | 37.720 | 37.230 | 37.650 | 31.419 | 754,600 |
| 2016-01-21 | 36.900 | 37.170 | 36.670 | 36.750 | 30.668 | 916,500 |
| 2016-01-20 | 36.650 | 37.210 | 35.960 | 36.810 | 30.718 | 1,245,600 |
| 2016-01-19 | 37.990 | 38.090 | 37.030 | 37.190 | 31.035 | 1,022,000 |
| 2016-01-15 | 36.960 | 37.720 | 36.900 | 37.610 | 31.385 | 2,241,000 |
| 2016-01-14 | 37.080 | 38.080 | 36.780 | 37.700 | 31.460 | 2,085,300 |
| 2016-01-13 | 38.160 | 38.270 | 36.990 | 37.000 | 30.876 | 1,719,800 |
| 2016-01-12 | 37.870 | 37.940 | 37.430 | 37.880 | 31.611 | 1,196,900 |
| 2016-01-11 | 38.350 | 38.410 | 37.320 | 37.660 | 31.427 | 1,649,500 |
| 2016-01-08 | 38.810 | 39.060 | 38.250 | 38.300 | 31.961 | 823,100 |
| 2016-01-07 | 38.820 | 38.960 | 38.350 | 38.710 | 32.303 | 1,265,500 |
| 2016-01-06 | 39.880 | 39.920 | 39.360 | 39.530 | 32.988 | 975,000 |
| 2016-01-05 | 40.200 | 40.450 | 40.000 | 40.310 | 33.638 | 1,117,200 |
| 2016-01-04 | 40.400 | 40.490 | 39.860 | 40.200 | 33.547 | 1,163,800 |
| 2015-12-31 | 41.200 | 41.540 | 40.930 | 40.940 | 34.164 | 855,600 |
| 2015-12-30 | 41.600 | 41.760 | 41.280 | 41.380 | 34.531 | 694,800 |
| 2015-12-29 | 41.560 | 41.790 | 41.370 | 41.570 | 34.690 | 861,500 |
| 2015-12-28 | 40.980 | 41.320 | 40.780 | 41.320 | 34.481 | 921,500 |
| 2015-12-24 | 41.060 | 41.300 | 40.780 | 41.150 | 34.339 | 388,900 |
| 2015-12-23 | 40.650 | 41.020 | 40.280 | 41.020 | 34.231 | 1,324,800 |
| 2015-12-22 | 40.410 | 40.530 | 39.800 | 40.510 | 33.805 | 1,524,600 |
| 2015-12-21 | 40.270 | 40.490 | 39.430 | 40.310 | 33.638 | 2,321,100 |
| 2015-12-18 | 41.230 | 41.380 | 40.070 | 40.080 | 33.447 | 4,068,200 |
| 2015-12-17 | 42.470 | 42.690 | 41.050 | 41.260 | 34.431 | 2,512,400 |
| 2015-12-16 | 43.600 | 43.600 | 42.050 | 42.530 | 35.491 | 2,552,300 |
| 2015-12-15 | 43.110 | 43.720 | 43.110 | 43.560 | 36.351 | 962,200 |
| 2015-12-14 | 43.450 | 43.840 | 42.450 | 42.790 | 35.708 | 1,650,500 |
| 2015-12-11 | 42.950 | 43.710 | 42.900 | 43.410 | 36.225 | 1,455,500 |
| 2015-12-10 | 43.170 | 43.580 | 42.890 | 43.450 | 36.259 | 1,290,700 |
| 2015-12-09 | 43.100 | 43.630 | 42.940 | 43.200 | 36.050 | 1,187,300 |
| 2015-12-08 | 43.680 | 43.770 | 43.240 | 43.330 | 36.159 | 928,000 |
| 2015-12-07 | 43.850 | 44.040 | 43.640 | 44.020 | 36.734 | 848,300 |
| 2015-12-04 | 43.060 | 43.930 | 42.970 | 43.920 | 36.651 | 885,400 |
| 2015-12-03 | 43.510 | 43.630 | 42.760 | 42.960 | 35.850 | 1,034,600 |
| 2015-12-02 | 43.600 | 43.680 | 43.390 | 43.460 | 36.267 | 1,026,400 |
| 2015-12-01 | 43.980 | 44.210 | 43.650 | 43.860 | 36.292 | 1,076,500 |
| 2015-11-30 | 44.140 | 44.340 | 43.750 | 43.750 | 36.201 | 1,486,400 |
| 2015-11-27 | 44.000 | 44.190 | 43.760 | 44.000 | 36.408 | 301,800 |
| 2015-11-25 | 44.210 | 44.250 | 43.860 | 43.950 | 36.367 | 529,600 |
| 2015-11-24 | 43.920 | 44.370 | 43.860 | 44.130 | 36.516 | 887,500 |
| 2015-11-23 | 44.320 | 44.540 | 44.040 | 44.110 | 36.499 | 882,700 |
| 2015-11-20 | 44.000 | 44.380 | 44.000 | 44.190 | 36.565 | 809,300 |
| 2015-11-19 | 43.740 | 43.960 | 43.530 | 43.870 | 36.300 | 680,000 |
| 2015-11-18 | 43.280 | 43.840 | 43.200 | 43.810 | 36.251 | 802,300 |
| 2015-11-17 | 43.610 | 43.690 | 43.170 | 43.230 | 35.771 | 964,300 |
| 2015-11-16 | 42.850 | 43.540 | 42.790 | 43.540 | 36.027 | 784,000 |
| 2015-11-13 | 43.220 | 43.300 | 42.860 | 42.980 | 35.564 | 652,400 |
| 2015-11-12 | 43.960 | 44.100 | 43.270 | 43.270 | 35.804 | 615,500 |
| 2015-11-11 | 44.100 | 44.440 | 43.970 | 44.230 | 36.598 | 1,119,000 |
| 2015-11-10 | 43.600 | 44.050 | 43.480 | 44.020 | 36.425 | 1,000,100 |
| 2015-11-09 | 44.000 | 44.000 | 43.320 | 43.650 | 36.118 | 616,700 |
| 2015-11-06 | 44.260 | 44.310 | 43.830 | 44.060 | 36.458 | 848,900 |
| 2015-11-05 | 43.990 | 44.160 | 43.780 | 44.090 | 36.482 | 845,900 |
| 2015-11-04 | 43.970 | 44.190 | 43.820 | 44.010 | 36.416 | 1,240,500 |
| 2015-11-03 | 43.580 | 44.160 | 43.530 | 43.920 | 36.342 | 1,562,200 |
| 2015-11-02 | 43.190 | 43.690 | 42.910 | 43.680 | 36.143 | 1,072,600 |
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.