Affiliated Managers Group Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-23 | 301.15 | 301.15 | 272.73 | 283.56 | 283.54 | 13 |
| 2026-04-22 | 306.57 | 306.57 | 302.00 | 302.81 | 302.79 | 3 |
| 2026-04-21 | 304.19 | 306.12 | 303.13 | 305.22 | 305.20 | 1 |
| 2026-04-20 | 293.00 | 301.43 | 288.27 | 299.30 | 299.28 | 9 |
| 2026-04-17 | 301.87 | 304.75 | 295.03 | 295.69 | 295.67 | 130 |
| 2026-04-16 | 304.82 | 306.99 | 297.68 | 297.79 | 297.77 | 3 |
| 2026-04-15 | 309.70 | 309.70 | 299.91 | 302.49 | 302.47 | 3 |
| 2026-04-14 | 290.00 | 305.58 | 290.00 | 304.69 | 304.67 | 32 |
| 2026-04-13 | 285.00 | 287.78 | 275.94 | 287.78 | 287.76 | 11 |
| 2026-04-10 | 283.95 | 288.77 | 283.20 | 283.81 | 283.80 | 62 |
| 2026-04-09 | 288.31 | 297.23 | 283.41 | 289.82 | 289.80 | 16 |
| 2026-04-08 | 274.51 | 287.29 | 274.51 | 287.29 | 287.28 | 3 |
| 2026-04-07 | 273.17 | 273.17 | 269.57 | 269.57 | 269.55 | 2 |
| 2026-04-02 | 273.91 | 273.91 | 255.51 | 255.51 | 255.49 | 11 |
| 2026-04-01 | 284.99 | 284.99 | 284.99 | 284.99 | 284.97 | 2 |
| 2026-03-31 | 272.19 | 278.80 | 266.89 | 278.80 | 278.78 | 5 |
| 2026-03-30 | 268.52 | 280.00 | 268.52 | 271.75 | 271.73 | 4 |
| 2026-03-27 | 276.64 | 276.64 | 269.30 | 269.30 | 269.28 | 2 |
| 2026-03-26 | 272.70 | 273.60 | 272.70 | 273.60 | 273.58 | 5 |
| 2026-03-25 | 286.08 | 286.08 | 281.16 | 281.80 | 281.78 | 74 |
| 2026-03-24 | 274.49 | 278.11 | 271.59 | 278.11 | 278.09 | 30 |
| 2026-03-23 | 281.31 | 290.30 | 279.07 | 279.13 | 279.11 | 5 |
| 2026-03-20 | 279.79 | 279.79 | 279.79 | 279.79 | 279.77 | 3 |
| 2026-03-19 | 283.59 | 283.59 | 276.52 | 276.52 | 276.50 | 3 |
| 2026-03-18 | 287.32 | 287.32 | 276.10 | 276.48 | 276.46 | 7 |
| 2026-03-17 | 280.13 | 283.14 | 280.13 | 281.11 | 281.09 | 4 |
| 2026-03-16 | 278.27 | 283.74 | 270.69 | 277.34 | 277.32 | 4 |
| 2026-03-13 | 270.24 | 274.60 | 270.24 | 274.60 | 274.58 | 3 |
| 2026-03-12 | 279.49 | 286.14 | 269.37 | 270.36 | 270.34 | 20 |
| 2026-03-11 | 276.87 | 278.05 | 276.87 | 278.05 | 278.03 | 26 |
| 2026-03-10 | 282.35 | 282.35 | 282.35 | 282.35 | 282.33 | 2 |
| 2026-03-09 | 283.70 | 283.70 | 271.64 | 278.40 | 278.38 | 124 |
| 2026-03-06 | 291.26 | 291.26 | 280.00 | 287.47 | 287.45 | 1 |
| 2026-03-05 | 301.87 | 304.87 | 296.59 | 300.88 | 300.86 | 470 |
| 2026-03-04 | 319.00 | 319.00 | 303.46 | 303.46 | 303.44 | 36 |
| 2026-03-03 | 306.78 | 315.57 | 297.00 | 302.17 | 302.15 | 139 |
| 2026-03-02 | 309.39 | 309.39 | 309.39 | 309.39 | 309.37 | 1 |
| 2026-02-27 | 301.95 | 307.67 | 301.95 | 307.14 | 307.12 | 3 |
| 2026-02-26 | 307.49 | 320.00 | 306.02 | 313.54 | 313.52 | 13 |
| 2026-02-25 | 301.74 | 314.41 | 294.74 | 309.71 | 309.69 | 16 |
| 2026-02-24 | 288.54 | 301.00 | 288.54 | 299.83 | 299.81 | 49 |
| 2026-02-23 | 289.00 | 289.81 | 280.67 | 287.44 | 287.42 | 46 |
| 2026-02-20 | 323.34 | 327.31 | 285.93 | 291.51 | 291.49 | 223 |
| 2026-02-19 | 323.89 | 327.39 | 322.44 | 322.44 | 322.41 | 11 |
| 2026-02-18 | 335.08 | 335.50 | 327.98 | 329.41 | 329.38 | 105 |
| 2026-02-17 | 332.00 | 338.36 | 322.34 | 322.34 | 322.31 | 23 |
| 2026-02-13 | 330.38 | 337.97 | 315.00 | 320.16 | 320.13 | 1,766 |
| 2026-02-12 | 315.00 | 327.47 | 301.00 | 325.04 | 325.01 | 79 |
| 2026-02-11 | 304.65 | 304.65 | 289.17 | 294.97 | 294.94 | 734 |
| 2026-02-10 | 302.91 | 307.91 | 301.34 | 307.68 | 307.65 | 12 |
| 2026-02-09 | 310.26 | 313.00 | 303.63 | 308.00 | 307.97 | 16 |
| 2026-02-06 | 316.57 | 316.57 | 299.38 | 299.38 | 299.35 | 31 |
| 2026-02-05 | 304.01 | 309.80 | 295.99 | 301.41 | 301.38 | 59 |
| 2026-02-04 | 306.42 | 311.02 | 306.42 | 311.02 | 310.99 | 58 |
| 2026-02-03 | 314.63 | 320.11 | 303.50 | 303.65 | 303.62 | 149 |
| 2026-02-02 | 310.00 | 316.95 | 310.00 | 316.95 | 316.92 | 14 |
| 2026-01-30 | 308.84 | 314.01 | 308.84 | 311.50 | 311.47 | 5 |
| 2026-01-29 | 317.60 | 319.52 | 310.15 | 313.19 | 313.16 | 14 |
| 2026-01-28 | 311.80 | 314.91 | 305.11 | 312.54 | 312.51 | 10 |
| 2026-01-27 | 317.41 | 317.41 | 305.00 | 307.36 | 307.33 | 77 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-08-10 | 0.0100 USD |
| 2026-05-11 | 0.0100 USD |
| 2026-02-20 | 0.0100 USD |
| 2025-11-12 | 0.0100 USD |
| 2025-08-08 | 0.0100 USD |
| 2025-05-19 | 0.0100 USD |
| 2025-02-17 | 0.0100 USD |
| 2024-11-14 | 0.0100 USD |
| 2024-08-08 | 0.0100 USD |
| 2024-05-15 | 0.0100 USD |
| 2024-02-14 | 0.0100 USD |
| 2023-11-15 | 0.0100 USD |
| 2023-08-04 | 0.0100 USD |
| 2023-05-10 | 0.0100 USD |
| 2023-02-15 | 0.0100 USD |
| 2022-11-16 | 0.0100 USD |
| 2022-08-10 | 0.0100 USD |
| 2022-05-11 | 0.0100 USD |
| 2022-02-16 | 0.0100 USD |
| 2021-11-09 | 0.0100 USD |
| 2021-08-05 | 0.0100 USD |
| 2021-05-12 | 0.0100 USD |
| 2021-02-17 | 0.0100 USD |
| 2020-11-04 | 0.0100 USD |
| 2020-08-05 | 0.0100 USD |
| 2020-05-06 | 0.0100 USD |
| 2020-02-12 | 0.3200 USD |
| 2019-11-06 | 0.3200 USD |
| 2019-08-07 | 0.3200 USD |
| 2019-05-15 | 0.3200 USD |
| 2019-02-13 | 0.3200 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.