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 $1,241.72 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $972.6, while $1000 invested 1 year ago would be worth $921.65. This corresponds to total returns of 24.17%, -2.74%, -7.83%, respectively, with annualized returns of 2.94%, -0.55%, -7.83%.

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
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
July 27, 2026	20.29	20.18	20.18	20.29	20.11	10,677
July 24, 2026	20.15	20.15	20.15	20.21	20.05	12,415
July 23, 2026	20.19	20.15	20.15	20.25	20.05	14,163
July 22, 2026	20.26	20.2	20.2	20.42	20.2	12,542
July 21, 2026	20.5	20.32	20.32	20.6	20.28	21,491
July 20, 2026	20.56	20.5	20.5	20.66	20.5	19,247
July 17, 2026	20.51	20.56	20.56	20.68	20.51	28,619
July 16, 2026	20.72	20.66	20.66	20.72	20.45	21,001
July 15, 2026	20.5	20.69	20.69	20.69	20.3	57,811
July 14, 2026	20.45	20.47	20.47	20.48	20.25	21,104
July 13, 2026	20	20.36	20.36	20.36	20	61,134
July 10, 2026	19.92	20.13	20.13	20.15	19.9	33,393
July 09, 2026	19.93	19.95	19.95	19.96	19.84	39,167
July 08, 2026	19.98	19.91	19.91	19.98	19.86	25,634
July 07, 2026	20.03	19.93	19.93	20.03	19.9	37,970
July 06, 2026	19.79	20.03	20.03	20.03	19.79	33,027
July 02, 2026	19.91	19.88	19.88	19.95	19.85	30,806
July 01, 2026	19.71	19.85	19.85	19.94	19.67	19,763
June 30, 2026	19.69	19.73	19.73	19.83	19.49	98,929
June 29, 2026	19.72	19.62	19.62	19.76	19.58	27,860
June 26, 2026	20.01	19.99	19.99	20.08	19.92	16,527
June 25, 2026	20.11	20.04	20.04	20.25	20	40,119
June 24, 2026	20.21	20.08	20.08	20.25	20.08	22,290
June 23, 2026	20.07	20.11	20.11	20.2	20.07	19,309
June 22, 2026	20.25	20.12	20.12	20.33	20.07	24,872
June 18, 2026	20.21	20.32	20.32	20.34	20.13	57,905
June 17, 2026	20.3	20.2	20.2	20.3	20.2	39,774
June 16, 2026	20.14	20.26	20.26	20.26	20.11	37,932