Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-24 | 281.50 | 281.74 | 280.23 | 280.85 | 277.54 | 45 |
| 2025-10-23 | 285.26 | 285.26 | 281.46 | 283.57 | 280.23 | 45 |
| 2025-10-22 | 280.30 | 283.30 | 273.06 | 282.22 | 278.89 | 162 |
| 2025-10-21 | 278.32 | 280.15 | 277.23 | 279.12 | 275.83 | 39 |
| 2025-10-20 | 280.40 | 280.68 | 275.80 | 278.63 | 275.35 | 655 |
| 2025-10-17 | 279.42 | 284.54 | 279.30 | 283.76 | 280.42 | 174 |
| 2025-10-16 | 292.00 | 293.00 | 277.10 | 278.53 | 275.25 | 1,607 |
| 2025-10-15 | 302.84 | 303.63 | 296.70 | 296.70 | 293.20 | 84 |
| 2025-10-14 | 298.45 | 303.01 | 297.95 | 303.01 | 299.44 | 55 |
| 2025-10-13 | 303.69 | 303.69 | 298.23 | 299.94 | 296.41 | 281 |
| 2025-10-10 | 302.35 | 304.18 | 301.95 | 304.04 | 300.46 | 1,882 |
| 2025-10-09 | 307.37 | 307.94 | 303.04 | 304.05 | 300.47 | 120 |
| 2025-10-08 | 308.80 | 309.47 | 307.42 | 308.07 | 304.43 | 216 |
| 2025-10-07 | 310.39 | 312.55 | 308.54 | 310.20 | 306.54 | 90 |
| 2025-10-06 | 310.50 | 311.13 | 309.42 | 309.59 | 305.94 | 131 |
| 2025-10-03 | 309.13 | 313.34 | 306.04 | 312.57 | 308.89 | 55 |
| 2025-10-02 | 302.00 | 307.77 | 302.00 | 307.77 | 304.14 | 60 |
| 2025-10-01 | 307.73 | 309.08 | 305.42 | 305.42 | 301.82 | 206 |
| 2025-09-30 | 305.00 | 308.39 | 304.00 | 307.26 | 303.64 | 188 |
| 2025-09-29 | 304.50 | 304.50 | 301.22 | 303.61 | 300.03 | 14 |
| 2025-09-26 | 305.00 | 307.96 | 305.00 | 305.29 | 301.69 | 119 |
| 2025-09-25 | 298.40 | 306.05 | 298.40 | 301.03 | 297.48 | 225 |
| 2025-09-24 | 300.78 | 305.15 | 300.78 | 304.90 | 301.31 | 223 |
| 2025-09-23 | 301.00 | 303.24 | 299.20 | 303.24 | 299.67 | 63 |
| 2025-09-22 | 302.99 | 302.99 | 296.81 | 299.00 | 295.48 | 6,332 |
| 2025-09-19 | 299.91 | 300.37 | 296.96 | 298.69 | 295.17 | 12 |
| 2025-09-18 | 294.95 | 296.53 | 294.38 | 295.73 | 292.24 | 41 |
| 2025-09-17 | 293.05 | 294.33 | 292.20 | 293.31 | 289.85 | 1,138 |
| 2025-09-16 | 297.92 | 297.92 | 282.01 | 290.46 | 287.04 | 166 |
| 2025-09-15 | 295.92 | 297.83 | 290.01 | 290.77 | 287.34 | 3,387 |
| 2025-09-12 | 298.94 | 301.01 | 297.25 | 298.85 | 295.33 | 406 |
| 2025-09-11 | 293.60 | 300.09 | 292.70 | 299.91 | 296.38 | 46 |
| 2025-09-10 | 298.36 | 298.36 | 294.55 | 295.01 | 291.53 | 94 |
| 2025-09-09 | 299.71 | 299.89 | 297.76 | 297.76 | 294.25 | 61 |
| 2025-09-08 | 299.77 | 299.77 | 296.02 | 298.08 | 294.57 | 197 |
| 2025-09-05 | 299.17 | 300.92 | 296.91 | 298.85 | 295.33 | 460 |
| 2025-09-04 | 304.60 | 305.61 | 302.75 | 303.33 | 299.76 | 209 |
| 2025-09-03 | 304.94 | 305.21 | 302.72 | 305.20 | 300.96 | 816 |
| 2025-09-02 | 304.24 | 304.24 | 299.53 | 301.77 | 297.58 | 143 |
| 2025-08-29 | 301.28 | 301.75 | 300.01 | 301.33 | 297.14 | 28 |
| 2025-08-28 | 298.38 | 298.96 | 296.56 | 297.91 | 293.77 | 89 |
| 2025-08-27 | 299.88 | 301.93 | 299.84 | 301.66 | 297.47 | 12,014 |
| 2025-08-26 | 298.06 | 298.61 | 295.74 | 298.56 | 294.41 | 1,129 |
| 2025-08-22 | 308.27 | 308.27 | 302.80 | 303.90 | 299.68 | 86 |
| 2025-08-21 | 298.97 | 306.20 | 298.97 | 306.05 | 301.80 | 166 |
| 2025-08-20 | 302.64 | 305.04 | 301.01 | 302.71 | 298.51 | 159 |
| 2025-08-19 | 296.59 | 299.30 | 296.43 | 298.93 | 294.78 | 59 |
| 2025-08-18 | 292.50 | 296.58 | 291.95 | 294.71 | 290.62 | 167 |
| 2025-08-15 | 293.70 | 294.65 | 293.03 | 293.58 | 289.50 | 1,036 |
| 2025-08-14 | 295.40 | 295.85 | 290.59 | 290.59 | 286.55 | 202 |
| 2025-08-13 | 293.45 | 294.67 | 290.12 | 294.67 | 290.58 | 438 |
| 2025-08-12 | 289.35 | 290.64 | 287.24 | 290.42 | 286.39 | 268 |
| 2025-08-11 | 290.00 | 291.64 | 286.60 | 286.60 | 282.62 | 1,392 |
| 2025-08-08 | 292.51 | 293.09 | 288.44 | 291.07 | 287.03 | 98 |
| 2025-08-07 | 286.54 | 287.75 | 285.52 | 287.75 | 283.75 | 549 |
| 2025-08-06 | 288.00 | 288.00 | 284.52 | 286.68 | 282.70 | 52 |
| 2025-08-05 | 283.31 | 288.06 | 282.83 | 287.98 | 283.98 | 6,349 |
| 2025-08-04 | 283.35 | 285.76 | 282.79 | 283.13 | 279.20 | 731 |
| 2025-08-01 | 284.18 | 285.57 | 277.69 | 282.84 | 278.91 | 1,742 |
| 2025-07-31 | 285.12 | 290.72 | 280.35 | 289.38 | 285.36 | 148 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-09-07 | 0.7000 USD |
| 2026-06-04 | 0.7000 USD |
| 2026-03-05 | 0.7000 USD |
| 2025-12-04 | 0.6500 USD |
| 2025-09-04 | 0.6500 USD |
| 2025-06-05 | 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.