Arthur J. Gallagher & Co. (AJG) NYSE

Currency In USD

AJG Historical Return

If you invested $1000 in Arthur J. Gallagher & Co. (AJG) 10 years ago, it would be worth $5,144.69 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,563.68, while $1000 invested 1 year ago would be worth $650.19. This corresponds to total returns of 414.47%, 56.37%, -34.98%, respectively, with annualized returns of 17.79%, 9.35%, -34.98%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

AJG Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	213.92	209.08	209.08	216.12	208.08	2.11M
June 18, 2026	216.17	214.06	214.06	216.18	211.29	2.77M
June 17, 2026	216.5	216.09	216.09	224.99	215.62	1.6M
June 16, 2026	217.08	215.9	215.9	217.87	214.2	1.36M
June 15, 2026	217.38	215.74	215.74	218.75	214.49	1.54M
June 12, 2026	220.79	218.69	218.69	222.4	217.22	1.77M
June 11, 2026	221.83	220.9	220.9	223.66	220.58	2.45M
June 10, 2026	219.19	220.14	220.14	225.34	215.89	1.96M
June 09, 2026	214.55	217.05	217.05	219.52	212.56	1.92M
June 08, 2026	213.48	212.52	212.52	215.59	211.5	1.9M
June 05, 2026	212.28	216.14	216.14	216.73	212.09	1.45M
June 04, 2026	207.45	211	211	212.52	206.42	1.64M
June 03, 2026	203.83	202.5	202.5	204.73	199.68	1.61M
June 02, 2026	204.29	205.77	205.77	207.14	200.7	1.49M
June 01, 2026	200.57	206.1	206.1	206.25	200	1.35M
May 29, 2026	201.88	201.11	201.11	203.73	200.3	1.78M
May 28, 2026	202.9	202.65	202.65	206.2	200.04	1.06M
May 27, 2026	205.06	202.85	202.85	208.99	202	1.6M
May 26, 2026	202.96	203.96	203.96	206.01	202.1	2.27M
May 22, 2026	206.5	204.75	204.75	207.41	203.12	1.24M
May 21, 2026	201.95	207.41	207.41	207.95	200	1.35M
May 20, 2026	203.35	203.61	203.61	204.98	199.67	1.47M
May 19, 2026	209.24	203.45	203.45	210.24	203.41	1.96M
May 18, 2026	199.88	207.15	207.15	208.15	198.88	1.59M
May 15, 2026	199.72	199.95	199.95	200.67	196.32	2.39M
May 14, 2026	195.18	197.68	197.68	198.74	193.49	3.02M
May 13, 2026	194.78	192	192	197.22	190.75	2.54M
May 12, 2026	199.4	197.4	197.4	202.91	195.81	1.99M
May 11, 2026	197.95	198.57	198.57	200.34	195.14	1.8M
May 08, 2026	200.89	198.87	198.87	201.19	196.65	1.51M
May 07, 2026	194.27	201.94	201.94	203.13	194.15	3.22M
May 06, 2026	207.4	196.91	196.91	209.08	196.8	2.24M
May 05, 2026	206.29	205.8	205.8	207.69	204.72	1.29M
May 04, 2026	207.89	207.03	207.03	211.08	205.64	1.21M
May 01, 2026	217	208.11	208.11	218.88	206.57	2.39M
April 30, 2026	210.31	206.4	206.4	210.31	202.21	3.09M
April 29, 2026	212.88	211.81	211.81	214.4	210.34	1.29M
April 28, 2026	215.85	213.42	213.42	217	209.78	1.37M
April 27, 2026	213.13	215.06	215.06	216.89	211.56	1.34M
April 24, 2026	216.94	215.38	215.38	218.79	213.98	1.21M
April 23, 2026	220.79	219.37	219.37	221.28	217.58	995,123
April 22, 2026	223.34	221.11	221.11	223.34	218.51	1.31M
April 21, 2026	223.6	224.46	224.46	226	222.29	1.55M
April 20, 2026	221.6	223.07	223.07	223.57	220.77	1.31M
April 17, 2026	224	221.61	221.61	225.24	220.72	1.85M
April 16, 2026	224.14	224.08	224.08	225.69	222.81	1.57M
April 15, 2026	220.53	223.17	223.17	224.46	219.05	1.21M
April 14, 2026	221.23	219.91	219.91	223.39	219.6	1.12M
April 13, 2026	214.28	222.5	222.5	223.53	213.65	2.3M
April 10, 2026	217	213.55	213.55	218.65	206.21	5.17M
April 09, 2026	219.06	218.39	218.39	221.95	217.04	1.64M
April 08, 2026	219.75	220.8	220.8	222.52	218.25	1.71M
April 07, 2026	219	217.57	217.57	221.08	217.12	1.85M
April 06, 2026	217.16	219.27	219.27	221.1	216.86	1.38M
April 02, 2026	216.41	217.61	217.61	221.34	215.13	1.73M
April 01, 2026	217.78	216.34	216.34	219.77	215.47	1.86M
March 31, 2026	216.82	216.58	216.58	219.15	214.2	2.94M
March 30, 2026	208.01	215.95	215.95	217.25	206.5	2M
March 27, 2026	210.07	207.1	207.1	213.17	205.9	2.05M
March 26, 2026	214.03	210.27	210.27	217.21	209.6	1.94M