Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2013-09-10 | 43.960 | 44.280 | 43.930 | 44.200 | 34.346 | 589,700 |
| 2013-09-09 | 42.940 | 43.890 | 42.930 | 43.890 | 34.105 | 671,700 |
| 2013-09-06 | 42.960 | 43.370 | 42.390 | 43.050 | 33.452 | 666,200 |
| 2013-09-05 | 42.820 | 42.970 | 42.580 | 42.920 | 33.351 | 781,800 |
| 2013-09-04 | 41.760 | 42.820 | 41.580 | 42.720 | 33.196 | 1,517,900 |
| 2013-09-03 | 41.970 | 42.160 | 41.110 | 41.400 | 32.170 | 1,213,400 |
| 2013-08-30 | 41.860 | 41.860 | 41.190 | 41.340 | 32.124 | 559,500 |
| 2013-08-29 | 41.660 | 42.410 | 41.660 | 42.100 | 32.442 | 523,000 |
| 2013-08-28 | 41.950 | 42.160 | 41.650 | 41.750 | 32.173 | 635,900 |
| 2013-08-27 | 42.230 | 42.580 | 41.800 | 42.010 | 32.373 | 642,100 |
| 2013-08-26 | 43.160 | 43.280 | 42.570 | 42.570 | 32.804 | 501,200 |
| 2013-08-23 | 43.030 | 43.130 | 42.780 | 43.130 | 33.236 | 337,700 |
| 2013-08-22 | 42.850 | 42.980 | 42.520 | 42.810 | 32.989 | 372,000 |
| 2013-08-21 | 43.190 | 43.330 | 42.650 | 42.780 | 32.966 | 381,400 |
| 2013-08-20 | 42.880 | 43.520 | 42.670 | 43.360 | 33.413 | 384,600 |
| 2013-08-19 | 42.900 | 42.980 | 42.630 | 42.890 | 33.051 | 316,800 |
| 2013-08-16 | 42.840 | 43.250 | 42.740 | 42.950 | 33.097 | 385,400 |
| 2013-08-15 | 43.620 | 43.830 | 43.000 | 43.090 | 33.205 | 495,400 |
| 2013-08-14 | 44.240 | 44.470 | 43.670 | 44.100 | 33.983 | 469,900 |
| 2013-08-13 | 44.260 | 44.560 | 44.080 | 44.380 | 34.199 | 868,600 |
| 2013-08-12 | 43.870 | 44.300 | 43.690 | 43.740 | 33.706 | 429,300 |
| 2013-08-09 | 43.970 | 44.280 | 43.970 | 44.060 | 33.953 | 272,500 |
| 2013-08-08 | 44.250 | 44.490 | 43.970 | 44.250 | 34.099 | 490,200 |
| 2013-08-07 | 44.430 | 44.450 | 44.130 | 44.230 | 34.084 | 244,500 |
| 2013-08-06 | 44.660 | 44.730 | 44.410 | 44.480 | 34.276 | 327,000 |
| 2013-08-05 | 45.110 | 45.390 | 44.630 | 44.700 | 34.446 | 374,900 |
| 2013-08-02 | 44.590 | 45.220 | 44.440 | 45.160 | 34.800 | 474,200 |
| 2013-08-01 | 44.850 | 45.680 | 44.330 | 44.820 | 34.538 | 1,094,800 |
| 2013-07-31 | 44.250 | 45.300 | 44.200 | 44.380 | 34.199 | 784,300 |
| 2013-07-30 | 43.690 | 44.030 | 43.500 | 43.760 | 33.721 | 311,200 |
| 2013-07-29 | 43.720 | 43.910 | 43.520 | 43.650 | 33.637 | 278,500 |
| 2013-07-26 | 43.900 | 43.940 | 43.440 | 43.760 | 33.721 | 668,300 |
| 2013-07-25 | 43.990 | 44.350 | 43.840 | 43.990 | 33.899 | 448,400 |
| 2013-07-24 | 44.820 | 44.890 | 43.940 | 43.960 | 33.876 | 507,400 |
| 2013-07-23 | 45.210 | 45.390 | 44.640 | 44.660 | 34.415 | 435,600 |
| 2013-07-22 | 44.960 | 45.130 | 44.810 | 45.120 | 34.769 | 323,200 |
| 2013-07-19 | 45.010 | 45.160 | 44.810 | 44.980 | 34.662 | 295,000 |
| 2013-07-18 | 44.650 | 45.210 | 44.650 | 44.940 | 34.631 | 850,800 |
| 2013-07-17 | 44.880 | 44.920 | 44.500 | 44.580 | 34.353 | 567,900 |
| 2013-07-16 | 45.580 | 45.770 | 44.690 | 44.720 | 34.461 | 522,800 |
| 2013-07-15 | 45.500 | 45.890 | 45.040 | 45.350 | 34.947 | 469,700 |
| 2013-07-12 | 45.250 | 45.570 | 45.140 | 45.530 | 35.085 | 245,800 |
| 2013-07-11 | 45.000 | 45.360 | 44.880 | 45.330 | 34.931 | 598,300 |
| 2013-07-10 | 44.500 | 44.670 | 44.200 | 44.620 | 34.384 | 369,000 |
| 2013-07-09 | 44.720 | 44.910 | 44.470 | 44.490 | 34.284 | 598,200 |
| 2013-07-08 | 44.520 | 44.750 | 44.400 | 44.540 | 34.323 | 343,200 |
| 2013-07-05 | 44.210 | 44.340 | 43.990 | 44.310 | 34.145 | 375,500 |
| 2013-07-03 | 44.030 | 44.170 | 43.660 | 43.980 | 33.891 | 154,600 |
| 2013-07-02 | 44.200 | 44.640 | 43.850 | 44.110 | 33.991 | 304,700 |
| 2013-07-01 | 43.890 | 44.430 | 43.800 | 44.250 | 34.099 | 393,200 |
| 2013-06-28 | 43.860 | 44.050 | 43.620 | 43.690 | 33.668 | 615,400 |
| 2013-06-27 | 43.370 | 44.030 | 43.230 | 43.870 | 33.806 | 323,600 |
| 2013-06-26 | 43.320 | 43.440 | 42.890 | 43.190 | 33.282 | 646,500 |
| 2013-06-25 | 42.990 | 43.080 | 42.620 | 42.960 | 33.105 | 477,000 |
| 2013-06-24 | 42.700 | 42.940 | 42.340 | 42.680 | 32.889 | 430,800 |
| 2013-06-21 | 42.760 | 43.300 | 42.740 | 43.100 | 33.213 | 847,000 |
| 2013-06-20 | 43.530 | 43.640 | 42.680 | 42.700 | 32.905 | 864,100 |
| 2013-06-19 | 44.670 | 44.910 | 43.840 | 43.850 | 33.791 | 859,400 |
| 2013-06-18 | 45.000 | 45.490 | 44.760 | 45.360 | 34.954 | 444,000 |
| 2013-06-17 | 44.550 | 44.950 | 44.550 | 44.850 | 34.561 | 444,200 |
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.