Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2016-07-20 | 48.800 | 48.920 | 48.620 | 48.780 | 41.417 | 401,600 |
| 2016-07-19 | 48.510 | 48.790 | 48.430 | 48.700 | 41.349 | 589,500 |
| 2016-07-18 | 48.910 | 49.060 | 48.570 | 48.630 | 41.289 | 634,700 |
| 2016-07-15 | 48.950 | 49.110 | 48.760 | 49.020 | 41.621 | 855,900 |
| 2016-07-14 | 49.130 | 49.260 | 48.740 | 48.950 | 41.561 | 1,638,100 |
| 2016-07-13 | 49.060 | 49.200 | 48.710 | 48.770 | 41.408 | 1,248,900 |
| 2016-07-12 | 49.220 | 49.390 | 49.010 | 49.170 | 41.748 | 813,500 |
| 2016-07-11 | 48.900 | 49.050 | 48.760 | 48.980 | 41.587 | 816,100 |
| 2016-07-08 | 48.270 | 48.760 | 48.150 | 48.700 | 41.349 | 1,137,500 |
| 2016-07-07 | 47.990 | 48.190 | 47.690 | 48.000 | 40.754 | 876,900 |
| 2016-07-06 | 47.160 | 47.930 | 47.150 | 47.870 | 40.644 | 1,343,400 |
| 2016-07-05 | 47.450 | 47.580 | 47.230 | 47.550 | 40.372 | 1,113,800 |
| 2016-07-01 | 47.600 | 47.840 | 47.270 | 47.800 | 40.585 | 1,175,700 |
| 2016-06-30 | 46.580 | 47.620 | 46.330 | 47.600 | 40.415 | 1,292,600 |
| 2016-06-29 | 45.660 | 46.370 | 45.560 | 46.360 | 39.362 | 953,000 |
| 2016-06-28 | 44.490 | 45.390 | 44.440 | 45.280 | 38.445 | 1,828,100 |
| 2016-06-27 | 44.750 | 45.040 | 43.900 | 44.060 | 37.409 | 1,921,600 |
| 2016-06-24 | 45.880 | 46.350 | 45.320 | 45.350 | 38.505 | 2,948,000 |
| 2016-06-23 | 47.300 | 47.560 | 47.120 | 47.560 | 40.381 | 902,900 |
| 2016-06-22 | 46.900 | 47.090 | 46.770 | 46.800 | 39.736 | 848,600 |
| 2016-06-21 | 46.850 | 47.060 | 46.670 | 46.790 | 39.727 | 1,304,700 |
| 2016-06-20 | 47.040 | 47.230 | 46.770 | 46.800 | 39.736 | 975,600 |
| 2016-06-17 | 46.670 | 46.670 | 46.130 | 46.590 | 39.557 | 1,476,200 |
| 2016-06-16 | 46.180 | 46.610 | 46.010 | 46.610 | 39.574 | 927,000 |
| 2016-06-15 | 46.910 | 46.910 | 46.310 | 46.350 | 39.354 | 1,373,400 |
| 2016-06-14 | 47.330 | 47.390 | 46.680 | 46.800 | 39.736 | 1,348,700 |
| 2016-06-13 | 47.950 | 48.190 | 47.540 | 47.570 | 40.389 | 904,600 |
| 2016-06-10 | 48.000 | 48.250 | 47.720 | 48.030 | 40.780 | 1,236,200 |
| 2016-06-09 | 47.840 | 48.360 | 47.660 | 48.360 | 41.060 | 1,618,000 |
| 2016-06-08 | 47.820 | 48.140 | 47.680 | 47.920 | 40.687 | 840,200 |
| 2016-06-07 | 47.960 | 48.000 | 47.740 | 47.880 | 40.653 | 1,110,000 |
| 2016-06-06 | 47.860 | 48.200 | 47.630 | 47.820 | 40.602 | 1,022,600 |
| 2016-06-03 | 47.940 | 48.000 | 47.440 | 47.860 | 40.636 | 1,241,200 |
| 2016-06-02 | 47.840 | 48.250 | 47.610 | 48.250 | 40.967 | 1,144,700 |
| 2016-06-01 | 47.840 | 47.920 | 47.170 | 47.900 | 40.670 | 1,139,000 |
| 2016-05-31 | 48.460 | 48.510 | 48.000 | 48.330 | 40.712 | 2,179,700 |
| 2016-05-27 | 47.930 | 48.640 | 47.860 | 48.200 | 40.603 | 37,176,900 |
| 2016-05-26 | 48.200 | 48.260 | 47.850 | 48.010 | 40.442 | 1,831,200 |
| 2016-05-25 | 48.270 | 48.430 | 47.900 | 48.140 | 40.552 | 3,177,000 |
| 2016-05-24 | 47.920 | 48.270 | 47.490 | 48.130 | 40.544 | 794,000 |
| 2016-05-23 | 47.630 | 47.810 | 47.480 | 47.600 | 40.097 | 450,300 |
| 2016-05-20 | 47.670 | 48.080 | 47.670 | 47.780 | 40.249 | 835,100 |
| 2016-05-19 | 47.270 | 47.700 | 47.110 | 47.620 | 40.114 | 926,200 |
| 2016-05-18 | 47.040 | 48.070 | 47.040 | 47.570 | 40.072 | 1,140,700 |
| 2016-05-17 | 47.350 | 47.590 | 46.890 | 47.190 | 39.752 | 851,200 |
| 2016-05-16 | 47.060 | 47.770 | 47.060 | 47.410 | 39.937 | 683,900 |
| 2016-05-13 | 47.330 | 47.440 | 46.900 | 47.130 | 39.701 | 640,100 |
| 2016-05-12 | 47.370 | 47.540 | 47.200 | 47.490 | 40.004 | 732,900 |
| 2016-05-11 | 47.570 | 47.790 | 47.100 | 47.140 | 39.710 | 583,000 |
| 2016-05-10 | 47.190 | 47.740 | 46.870 | 47.740 | 40.215 | 813,000 |
| 2016-05-09 | 46.770 | 47.100 | 46.720 | 46.910 | 39.516 | 735,600 |
| 2016-05-06 | 46.860 | 47.070 | 46.690 | 46.960 | 39.558 | 739,900 |
| 2016-05-05 | 47.240 | 47.430 | 46.960 | 47.080 | 39.659 | 895,100 |
| 2016-05-04 | 46.150 | 47.120 | 46.150 | 47.060 | 39.642 | 1,249,700 |
| 2016-05-03 | 46.470 | 46.710 | 46.120 | 46.390 | 39.078 | 1,030,600 |
| 2016-05-02 | 46.220 | 46.990 | 46.160 | 46.900 | 39.507 | 1,607,000 |
| 2016-04-29 | 45.680 | 46.450 | 45.320 | 46.040 | 38.783 | 2,004,300 |
| 2016-04-28 | 44.860 | 44.950 | 44.350 | 44.430 | 37.427 | 993,300 |
| 2016-04-27 | 45.160 | 45.440 | 45.010 | 45.140 | 38.025 | 480,400 |
| 2016-04-26 | 44.980 | 45.170 | 44.790 | 45.070 | 37.966 | 684,200 |
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.