Arthur J. Gallagher & Co. - AJG - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
December 23, 2025	258	258.7	258.7	259	256.48	1.15M
December 22, 2025	251.96	258.25	258.25	259	251.37	1.59M
December 19, 2025	252.88	253.39	253.39	256.71	252.14	3.97M
December 18, 2025	249.75	252.64	252.64	253.77	249.13	1.26M
December 17, 2025	252	250.9	250.9	254.78	250.26	1.67M
December 16, 2025	256.19	251.98	251.98	256.74	249.27	2.06M
December 15, 2025	254.21	256.19	256.19	257.37	253.07	2.33M
December 12, 2025	249.05	255.38	255.38	256.18	248.9	2.24M
December 11, 2025	242.16	247.62	247.62	247.76	240.83	2.43M
December 10, 2025	239.48	240.45	240.45	240.45	236.34	1.75M
December 09, 2025	238.68	239.91	239.91	240.75	237.88	1.07M
December 08, 2025	238.77	237.85	237.85	239.79	236.7	1.36M
December 05, 2025	244.69	239.71	239.71	245	238.65	1.77M
December 04, 2025	246	245.46	245.46	246.78	243.94	1.08M
December 03, 2025	244.43	245.36	245.36	246.23	242.61	1.52M
December 02, 2025	245.88	244.22	244.22	246.74	243.37	1.69M
December 01, 2025	248.4	246.1	246.1	249.47	246.07	1.42M
November 28, 2025	247.74	247.62	247.62	249.99	246.6	756,637
November 26, 2025	250.57	248.52	248.52	252	247.8	1.01M
November 25, 2025	249.8	250.24	250.24	251.59	247.7	966,400
November 24, 2025	251.26	248.21	248.21	252.44	244.72	2.02M
November 21, 2025	249	251.41	251.41	251.65	246.85	1.71M
November 20, 2025	245.74	247.3	247.3	250.43	245.69	1.57M
November 19, 2025	258.5	248.72	248.72	259.61	247.64	2.19M
November 18, 2025	259.54	258.64	258.64	261.56	256	1.81M
November 17, 2025	259.41	259.31	259.31	261.63	257.9	2.17M
November 14, 2025	258.22	258.51	258.51	262.59	254.57	1.83M
November 13, 2025	255.29	256.71	256.71	259.45	254.46	2.17M
November 12, 2025	254.4	255.86	255.86	256.53	253.17	1.26M
November 11, 2025	251.3	255	255	255.15	250.49	1.34M
November 10, 2025	248.88	251.06	251.06	251.74	247.03	1.46M
November 07, 2025	245.67	250.01	250.01	250.89	244.66	1.75M
November 06, 2025	246.9	245.24	245.24	249.95	244.28	1.46M
November 05, 2025	250.89	248.05	248.05	253	248.04	1.67M
November 04, 2025	244.25	251.7	251.7	252	242.7	2.37M
November 03, 2025	249.1	243	243	249.49	239.57	2.12M
October 31, 2025	242.75	249.49	249.49	254.43	242.75	5.07M
October 30, 2025	264.5	262.03	262.03	265.83	261.29	2.71M
October 29, 2025	265.62	262.02	262.02	268.85	261.04	3.17M
October 28, 2025	277.24	267.5	267.5	279	266.71	2.84M
October 27, 2025	280.56	279	279	281.66	278.1	930,396
October 24, 2025	282.5	280.73	280.73	284.17	280.29	1.44M
October 23, 2025	283.03	282.49	282.49	284.33	280.41	1.09M
October 22, 2025	279.52	283.04	283.04	284.06	277.92	1.41M
October 21, 2025	278.8	279.01	279.01	280.6	277.22	1.42M
October 20, 2025	280.22	279.26	279.26	280.82	275.73	1.17M
October 17, 2025	280.62	280.47	280.47	284.3	277.95	1.42M
October 16, 2025	287.27	280.17	280.17	288.33	276.5	2.38M
October 15, 2025	301.73	296.16	296.16	304.57	295.36	2.45M
October 14, 2025	298.45	303.73	303.73	303.98	296.87	1.23M
October 13, 2025	299.05	298	298	301.71	295.78	1.18M
October 10, 2025	304.3	301.74	301.74	305.74	300.66	1.18M
October 09, 2025	307.11	302.25	302.25	307.11	301.29	761,610
October 08, 2025	310.35	306.94	306.94	310.35	306.84	636,882
October 07, 2025	310.39	309.81	309.81	313.09	308.18	863,800
October 06, 2025	310.5	309.15	309.15	311.67	307.68	1.05M
October 03, 2025	307.78	310.48	310.48	313.55	307.58	767,240
October 02, 2025	303.07	308.67	308.67	308.72	302	1M
October 01, 2025	307.87	305.84	305.84	309.5	303.35	1.86M
September 30, 2025	305	309.74	309.74	310.49	304.46	1.67M

Arthur J. Gallagher & Co. (AJG) NYSE