Affiliated Managers Group, Inc. (MGR) NYSE

Currency In USD

MGR Historical Return

If you invested $1000 in Affiliated Managers Group, Inc. (MGR) since IPO date, it would be worth $1,158.34 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $909.07, while $1000 invested 1 year ago would be worth $872.3. This corresponds to total returns of 15.83%, -9.09%, -12.77%, respectively, with annualized returns of 1.96%, -1.89%, -12.77%.

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

MGR Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	18.52	18.46	18.46	18.75	18.39	35,585
October 20, 2026	18.55	18.48	18.48	18.79	18.48	21,340
October 19, 2026	18.56	18.52	18.52	18.89	18.51	33,402
October 16, 2026	18.65	18.54	18.54	18.93	18.47	39,569
October 15, 2026	18.77	18.63	18.63	18.89	18.61	18,580
October 14, 2026	18.56	18.55	18.55	18.8	18.49	59,250
October 13, 2026	18.97	18.8	18.8	18.97	18.56	20,953
October 12, 2026	18.72	18.79	18.79	18.98	18.64	38,529
October 09, 2026	18.7	18.81	18.81	18.86	18.52	27,896
October 08, 2026	18.88	18.74	18.74	18.88	18.49	32,045
October 07, 2026	18.67	18.73	18.73	18.86	18.67	24,449
October 06, 2026	18.76	18.83	18.83	19.29	18.76	21,966
October 05, 2026	19.28	19.06	19.06	19.3	18.9	47,595
October 02, 2026	19.41	19.15	19.15	19.53	19.1	49,346
October 01, 2026	19.01	19.1	19.1	19.34	18.87	32,494
September 30, 2026	19.17	19.09	19.09	19.38	19.02	75,571
September 29, 2026	19.35	19.27	19.27	19.4	19.06	11,650
September 28, 2026	19.59	19.65	19.65	19.83	19.51	18,433
September 25, 2026	19.62	19.66	19.66	20.17	19.6	15,994
September 24, 2026	19.45	19.72	19.72	19.95	19.39	48,616
September 23, 2026	19.37	19.57	19.57	19.78	19.28	85,280
September 22, 2026	19.57	19.49	19.49	19.76	19.37	18,601
September 21, 2026	19.99	19.68	19.68	19.99	19.35	52,113
September 18, 2026	19.4	19.54	19.54	19.61	19.38	20,188
September 17, 2026	19.7	19.4	19.4	19.9	19.37	28,586
September 16, 2026	19.33	19.49	19.49	19.61	19.31	37,444
September 15, 2026	19.46	19.43	19.43	19.8	19.38	40,610
September 11, 2026	19.63	19.83	19.83	19.94	19.63	32,756
September 10, 2026	19.7	19.73	19.73	19.88	19.55	64,030
September 09, 2026	19.72	19.75	19.75	19.84	19.69	31,679
September 08, 2026	19.65	19.72	19.72	19.83	19.63	31,744
September 04, 2026	19.5	19.65	19.65	19.82	19.5	28,215
September 03, 2026	19.38	19.55	19.55	19.6	19.31	83,551
September 02, 2026	19.36	19.39	19.39	19.42	19.29	74,294
September 01, 2026	19.27	19.3	19.3	19.35	19.24	41,055
August 31, 2026	19.55	19.4	19.4	19.55	19.27	95,213
August 28, 2026	19.67	19.55	19.55	19.68	19.49	21,780
August 27, 2026	19.6	19.67	19.67	19.67	19.55	30,689
August 26, 2026	19.66	19.61	19.61	19.74	19.6	29,513
August 25, 2026	19.69	19.72	19.72	19.89	19.69	17,226
August 24, 2026	19.69	19.64	19.64	19.84	19.63	13,890
August 21, 2026	19.8	19.67	19.67	19.84	19.67	12,868
August 20, 2026	20.19	19.82	19.82	20.19	19.61	17,535
August 19, 2026	19.74	19.79	19.79	19.8	19.59	36,325
August 18, 2026	19.95	19.67	19.67	19.95	19.63	17,044
August 17, 2026	20	19.86	19.86	20	19.86	17,449
August 14, 2026	20	20	20	20.14	19.93	20,943
August 13, 2026	20.14	20.07	20.07	20.22	19.99	10,419
August 12, 2026	20.16	19.98	19.98	20.16	19.98	24,905
August 11, 2026	20.05	20.05	20.05	20.05	19.98	17,501
August 10, 2026	20.15	19.99	19.99	20.15	19.98	27,608
August 07, 2026	20.01	20.09	20.09	20.23	20.01	14,627
August 06, 2026	20.09	20.05	20.05	20.18	20.01	9,818
August 05, 2026	20.27	20.12	20.12	20.27	20.09	11,835
August 04, 2026	20.26	20.21	20.21	20.28	20.2	13,888
August 03, 2026	20.19	20.27	20.27	20.27	20.08	16,701
July 31, 2026	20.29	20.17	20.17	20.29	20.13	48,466
July 30, 2026	20.08	20.26	20.26	20.3	20.08	14,558
July 29, 2026	20.16	20.11	20.11	20.33	20.11	12,039
July 28, 2026	20.19	20.15	20.15	20.19	20.11	11,948