Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
247.30
-1.42 (-0.57%)
At close: Nov 20, 2025, 4:00 PM EST
247.04
-0.26 (-0.11%)
After-hours: Nov 20, 2025, 7:58 PM EST
Arthur J. Gallagher & Co. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 20, 2025 | 245.74 | 250.43 | 245.69 | 247.30 | 247.30 | -0.57% | 1,571,200 |
| Nov 19, 2025 | 258.50 | 259.61 | 247.64 | 248.72 | 248.72 | -3.84% | 2,191,179 |
| Nov 18, 2025 | 259.54 | 261.56 | 256.00 | 258.64 | 258.64 | -0.26% | 1,814,939 |
| Nov 17, 2025 | 259.41 | 261.63 | 257.90 | 259.31 | 259.31 | 0.31% | 2,174,932 |
| Nov 14, 2025 | 258.22 | 262.59 | 254.57 | 258.51 | 258.51 | 0.70% | 1,828,638 |
| Nov 13, 2025 | 255.29 | 259.45 | 254.46 | 256.71 | 256.71 | 0.33% | 2,174,282 |
| Nov 12, 2025 | 254.40 | 256.53 | 253.17 | 255.86 | 255.86 | 0.34% | 1,256,755 |
| Nov 11, 2025 | 251.30 | 255.15 | 250.49 | 255.00 | 255.00 | 1.57% | 1,338,494 |
| Nov 10, 2025 | 248.88 | 251.74 | 247.03 | 251.06 | 251.06 | 0.42% | 1,463,144 |
| Nov 7, 2025 | 245.67 | 250.89 | 244.66 | 250.01 | 250.01 | 1.95% | 1,746,620 |
| Nov 6, 2025 | 246.90 | 249.95 | 244.28 | 245.24 | 245.24 | -1.13% | 1,456,687 |
| Nov 5, 2025 | 250.89 | 253.00 | 248.04 | 248.05 | 248.05 | -1.45% | 1,673,103 |
| Nov 4, 2025 | 244.50 | 252.11 | 242.70 | 251.70 | 251.70 | 3.59% | 2,473,799 |
| Nov 3, 2025 | 249.49 | 249.49 | 239.47 | 242.98 | 242.98 | -2.61% | 2,586,721 |
| Oct 31, 2025 | 242.75 | 254.43 | 242.75 | 249.49 | 249.49 | -4.79% | 5,066,743 |
| Oct 30, 2025 | 264.50 | 265.83 | 261.29 | 262.03 | 262.03 | - | 2,712,652 |
| Oct 29, 2025 | 265.62 | 268.85 | 261.04 | 262.02 | 262.02 | -2.05% | 3,165,319 |
| Oct 28, 2025 | 277.24 | 279.00 | 266.71 | 267.50 | 267.50 | -4.12% | 2,838,830 |
| Oct 27, 2025 | 280.56 | 281.66 | 278.10 | 279.00 | 279.00 | -0.62% | 930,396 |
| Oct 24, 2025 | 282.50 | 284.17 | 280.29 | 280.73 | 280.73 | -0.62% | 1,437,242 |
| Oct 23, 2025 | 283.03 | 284.33 | 280.41 | 282.49 | 282.49 | -0.19% | 1,086,919 |
| Oct 22, 2025 | 279.52 | 284.06 | 277.92 | 283.04 | 283.04 | 1.44% | 1,405,959 |
| Oct 21, 2025 | 278.80 | 280.60 | 277.22 | 279.01 | 279.01 | -0.09% | 1,424,058 |
| Oct 20, 2025 | 280.22 | 280.82 | 275.73 | 279.26 | 279.26 | -0.43% | 1,171,205 |
| Oct 17, 2025 | 280.62 | 284.30 | 277.95 | 280.47 | 280.47 | 0.11% | 1,415,287 |
| Oct 16, 2025 | 287.27 | 288.33 | 276.50 | 280.17 | 280.17 | -5.40% | 2,379,717 |
| Oct 15, 2025 | 301.73 | 304.57 | 295.36 | 296.16 | 296.16 | -2.49% | 2,451,563 |
| Oct 14, 2025 | 298.45 | 303.98 | 296.87 | 303.73 | 303.73 | 1.92% | 1,234,641 |
| Oct 13, 2025 | 299.05 | 301.71 | 295.78 | 298.00 | 298.00 | -1.24% | 1,176,167 |
| Oct 10, 2025 | 304.30 | 305.74 | 300.66 | 301.74 | 301.74 | -0.17% | 1,184,572 |
| Oct 9, 2025 | 307.11 | 307.11 | 301.29 | 302.25 | 302.25 | -1.53% | 761,610 |
| Oct 8, 2025 | 310.35 | 310.35 | 306.84 | 306.94 | 306.94 | -0.93% | 636,938 |
| Oct 7, 2025 | 310.39 | 313.09 | 308.18 | 309.81 | 309.81 | 0.21% | 863,762 |
| Oct 6, 2025 | 310.50 | 311.67 | 307.68 | 309.15 | 309.15 | -0.43% | 1,053,640 |
| Oct 3, 2025 | 307.78 | 313.55 | 307.59 | 310.48 | 310.48 | 0.59% | 767,240 |
| Oct 2, 2025 | 303.07 | 308.72 | 302.00 | 308.67 | 308.67 | 0.93% | 1,004,339 |
| Oct 1, 2025 | 307.87 | 309.50 | 303.35 | 305.84 | 305.84 | -1.26% | 1,864,306 |
| Sep 30, 2025 | 305.00 | 310.49 | 304.47 | 309.74 | 309.74 | 1.32% | 1,671,255 |
| Sep 29, 2025 | 303.15 | 305.86 | 301.10 | 305.71 | 305.71 | 0.51% | 1,355,603 |
| Sep 26, 2025 | 304.92 | 308.80 | 303.18 | 304.15 | 304.15 | 0.35% | 877,053 |
| Sep 25, 2025 | 305.06 | 306.89 | 300.82 | 303.08 | 303.08 | -0.48% | 1,366,884 |
| Sep 24, 2025 | 302.48 | 305.69 | 300.84 | 304.55 | 304.55 | 0.06% | 1,125,494 |
| Sep 23, 2025 | 299.85 | 304.53 | 299.01 | 304.36 | 304.36 | 1.43% | 1,602,058 |
| Sep 22, 2025 | 299.11 | 300.52 | 296.49 | 300.06 | 300.06 | 0.14% | 1,446,940 |
| Sep 19, 2025 | 300.40 | 301.20 | 296.44 | 299.65 | 299.65 | 0.98% | 2,605,274 |
| Sep 18, 2025 | 293.00 | 297.02 | 291.31 | 296.74 | 296.74 | 1.39% | 1,405,728 |
| Sep 17, 2025 | 293.05 | 295.21 | 291.99 | 292.66 | 292.66 | 0.41% | 1,248,129 |
| Sep 16, 2025 | 287.81 | 292.75 | 285.80 | 291.46 | 291.46 | 0.71% | 1,175,792 |
| Sep 15, 2025 | 297.16 | 298.16 | 288.20 | 289.40 | 289.40 | -2.65% | 1,169,957 |
| Sep 12, 2025 | 299.01 | 300.81 | 297.22 | 297.28 | 297.28 | -1.11% | 1,302,078 |