Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2015-08-06 | 47.910 | 48.120 | 47.330 | 47.460 | 38.928 | 641,200 |
| 2015-08-05 | 48.060 | 48.290 | 47.840 | 47.860 | 39.256 | 718,400 |
| 2015-08-04 | 47.840 | 48.290 | 47.630 | 47.840 | 39.239 | 931,800 |
| 2015-08-03 | 47.390 | 47.910 | 47.280 | 47.910 | 39.297 | 887,400 |
| 2015-07-31 | 47.800 | 47.830 | 47.400 | 47.430 | 38.903 | 990,400 |
| 2015-07-30 | 47.740 | 47.860 | 47.560 | 47.660 | 39.092 | 781,000 |
| 2015-07-29 | 47.120 | 48.270 | 47.120 | 47.900 | 39.289 | 1,510,200 |
| 2015-07-28 | 47.520 | 47.530 | 47.120 | 47.190 | 38.706 | 1,187,600 |
| 2015-07-27 | 47.250 | 47.540 | 47.120 | 47.350 | 38.837 | 684,000 |
| 2015-07-24 | 47.660 | 47.860 | 47.430 | 47.430 | 38.903 | 522,100 |
| 2015-07-23 | 47.710 | 48.040 | 47.590 | 47.670 | 39.100 | 755,500 |
| 2015-07-22 | 47.740 | 48.190 | 47.710 | 47.750 | 39.166 | 519,300 |
| 2015-07-21 | 48.200 | 48.330 | 47.590 | 47.860 | 39.256 | 828,100 |
| 2015-07-20 | 48.180 | 48.320 | 47.960 | 48.150 | 39.494 | 562,000 |
| 2015-07-17 | 48.230 | 48.260 | 47.950 | 48.220 | 39.551 | 848,900 |
| 2015-07-16 | 48.160 | 48.190 | 47.840 | 48.190 | 39.526 | 677,300 |
| 2015-07-15 | 48.100 | 48.190 | 47.860 | 47.950 | 39.330 | 594,900 |
| 2015-07-14 | 47.760 | 48.140 | 47.720 | 48.110 | 39.461 | 623,000 |
| 2015-07-13 | 47.860 | 47.930 | 47.700 | 47.860 | 39.256 | 597,300 |
| 2015-07-10 | 47.670 | 47.730 | 47.470 | 47.580 | 39.026 | 510,400 |
| 2015-07-09 | 47.490 | 47.540 | 47.200 | 47.320 | 38.813 | 691,200 |
| 2015-07-08 | 47.110 | 47.420 | 46.850 | 47.100 | 38.632 | 1,157,400 |
| 2015-07-07 | 47.420 | 47.530 | 46.990 | 47.500 | 38.961 | 1,025,800 |
| 2015-07-06 | 47.160 | 47.500 | 47.070 | 47.440 | 38.911 | 900,400 |
| 2015-07-02 | 47.780 | 47.800 | 47.330 | 47.580 | 39.026 | 668,600 |
| 2015-07-01 | 47.890 | 47.930 | 47.580 | 47.800 | 39.207 | 1,068,100 |
| 2015-06-30 | 47.710 | 47.910 | 47.120 | 47.300 | 38.796 | 1,321,700 |
| 2015-06-29 | 47.800 | 48.010 | 47.230 | 47.260 | 38.764 | 944,700 |
| 2015-06-26 | 48.430 | 48.620 | 48.090 | 48.170 | 39.510 | 2,044,000 |
| 2015-06-25 | 48.860 | 48.860 | 48.310 | 48.430 | 39.723 | 538,700 |
| 2015-06-24 | 48.930 | 49.090 | 48.640 | 48.670 | 39.920 | 626,000 |
| 2015-06-23 | 49.160 | 49.290 | 48.880 | 49.060 | 40.240 | 887,000 |
| 2015-06-22 | 49.200 | 49.340 | 48.910 | 49.040 | 40.224 | 610,500 |
| 2015-06-19 | 49.110 | 49.330 | 48.950 | 49.030 | 40.215 | 1,482,800 |
| 2015-06-18 | 49.330 | 49.500 | 49.090 | 49.220 | 40.371 | 1,256,300 |
| 2015-06-17 | 49.100 | 49.450 | 48.990 | 49.330 | 40.462 | 751,200 |
| 2015-06-16 | 48.580 | 49.080 | 48.140 | 49.080 | 40.256 | 974,900 |
| 2015-06-15 | 47.990 | 48.610 | 47.980 | 48.580 | 39.846 | 979,000 |
| 2015-06-12 | 48.510 | 48.710 | 48.400 | 48.510 | 39.789 | 752,800 |
| 2015-06-11 | 48.140 | 48.640 | 48.000 | 48.640 | 39.896 | 1,311,800 |
| 2015-06-10 | 47.700 | 48.100 | 47.500 | 48.080 | 39.436 | 843,600 |
| 2015-06-09 | 47.580 | 47.650 | 47.280 | 47.500 | 38.961 | 797,400 |
| 2015-06-08 | 47.930 | 48.080 | 47.550 | 47.700 | 39.125 | 815,300 |
| 2015-06-05 | 48.040 | 48.300 | 47.670 | 47.890 | 39.280 | 858,300 |
| 2015-06-04 | 48.070 | 48.300 | 47.780 | 47.860 | 39.256 | 615,400 |
| 2015-06-03 | 48.180 | 48.440 | 47.860 | 48.250 | 39.576 | 687,700 |
| 2015-06-02 | 48.490 | 48.550 | 48.240 | 48.360 | 39.362 | 702,700 |
| 2015-06-01 | 48.660 | 48.910 | 48.220 | 48.550 | 39.517 | 896,300 |
| 2015-05-29 | 48.840 | 48.850 | 48.250 | 48.450 | 39.436 | 5,613,700 |
| 2015-05-28 | 49.080 | 49.180 | 48.610 | 48.800 | 39.721 | 1,061,900 |
| 2015-05-27 | 49.130 | 49.230 | 48.820 | 49.090 | 39.957 | 1,133,700 |
| 2015-05-26 | 49.020 | 49.200 | 48.770 | 49.090 | 39.957 | 1,492,800 |
| 2015-05-22 | 49.090 | 49.340 | 49.000 | 49.220 | 40.062 | 625,900 |
| 2015-05-21 | 49.380 | 49.460 | 49.110 | 49.180 | 40.030 | 870,900 |
| 2015-05-20 | 48.800 | 49.590 | 48.660 | 49.500 | 40.290 | 1,490,000 |
| 2015-05-19 | 48.500 | 48.830 | 48.320 | 48.700 | 39.639 | 1,620,400 |
| 2015-05-18 | 48.060 | 48.550 | 47.980 | 48.350 | 39.354 | 1,652,200 |
| 2015-05-15 | 48.380 | 48.470 | 48.010 | 48.020 | 39.086 | 1,186,400 |
| 2015-05-14 | 48.550 | 48.550 | 48.220 | 48.360 | 39.362 | 1,626,400 |
| 2015-05-13 | 47.850 | 48.400 | 47.550 | 48.290 | 39.305 | 1,828,100 |
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.