Affiliated Managers Group, Inc. (AMG)
NYSE: AMG · Real-Time Price · USD
355.61
+1.08 (0.30%)
At close: Sep 11, 2026, 4:00 PM EDT
355.30
-0.31 (-0.09%)
After-hours: Sep 11, 2026, 7:30 PM EDT
Affiliated Managers Group Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | 360.43 | 360.43 | 352.59 | 355.61 | 355.61 | 0.30% | 181,845 |
| Sep 10, 2026 | 354.28 | 358.75 | 350.99 | 354.53 | 354.53 | -0.37% | 215,665 |
| Sep 9, 2026 | 359.57 | 359.81 | 354.11 | 355.85 | 355.85 | -1.21% | 246,180 |
| Sep 8, 2026 | 368.91 | 370.00 | 359.49 | 360.22 | 360.22 | -2.70% | 276,871 |
| Sep 4, 2026 | 363.09 | 371.80 | 361.40 | 370.22 | 370.22 | 1.10% | 211,789 |
| Sep 3, 2026 | 359.70 | 368.35 | 358.00 | 366.18 | 366.18 | 2.72% | 402,409 |
| Sep 2, 2026 | 362.00 | 374.09 | 354.73 | 356.47 | 356.47 | -1.19% | 382,004 |
| Sep 1, 2026 | 363.73 | 372.80 | 360.26 | 360.75 | 360.75 | -2.02% | 216,468 |
| Aug 31, 2026 | 370.85 | 375.61 | 367.97 | 368.19 | 368.19 | -0.72% | 306,340 |
| Aug 28, 2026 | 371.23 | 376.75 | 368.70 | 370.87 | 370.87 | 0.11% | 158,641 |
| Aug 27, 2026 | 370.14 | 374.92 | 367.55 | 370.48 | 370.48 | -0.03% | 277,583 |
| Aug 26, 2026 | 366.13 | 373.73 | 363.33 | 370.59 | 370.59 | 1.45% | 195,499 |
| Aug 25, 2026 | 360.85 | 367.10 | 358.18 | 365.28 | 365.28 | 1.77% | 161,963 |
| Aug 24, 2026 | 355.67 | 364.95 | 351.77 | 358.94 | 358.94 | 0.77% | 254,805 |
| Aug 21, 2026 | 356.02 | 367.35 | 355.55 | 356.21 | 356.21 | 1.02% | 277,088 |
| Aug 20, 2026 | 354.68 | 358.04 | 350.76 | 352.61 | 352.61 | -0.79% | 239,551 |
| Aug 19, 2026 | 365.31 | 367.86 | 355.18 | 355.41 | 355.41 | -2.24% | 355,775 |
| Aug 18, 2026 | 370.00 | 370.21 | 360.78 | 363.57 | 363.57 | -2.11% | 349,779 |
| Aug 17, 2026 | 371.89 | 375.99 | 368.23 | 371.40 | 371.40 | -0.79% | 240,351 |
| Aug 14, 2026 | 364.61 | 374.90 | 363.28 | 374.37 | 374.37 | 1.98% | 253,366 |
| Aug 13, 2026 | 364.77 | 370.87 | 360.59 | 367.10 | 367.10 | 1.30% | 228,698 |
| Aug 12, 2026 | 360.90 | 365.33 | 358.25 | 362.40 | 362.40 | 0.93% | 209,138 |
| Aug 11, 2026 | 363.81 | 370.79 | 358.95 | 359.07 | 359.07 | -1.19% | 294,309 |
| Aug 10, 2026 | 368.11 | 371.75 | 361.81 | 363.39 | 363.39 | -1.70% | 276,957 |
| Aug 7, 2026 | 373.07 | 378.32 | 367.91 | 369.70 | 369.69 | -0.67% | 186,694 |
| Aug 6, 2026 | 376.65 | 379.02 | 372.07 | 372.18 | 372.17 | -0.92% | 117,398 |
| Aug 5, 2026 | 387.61 | 390.99 | 375.45 | 375.62 | 375.61 | -2.03% | 196,072 |
| Aug 4, 2026 | 382.72 | 392.92 | 382.37 | 383.42 | 383.41 | 0.66% | 290,001 |
| Aug 3, 2026 | 368.70 | 384.11 | 368.70 | 380.89 | 380.88 | 3.86% | 347,138 |
| Jul 31, 2026 | 366.13 | 375.41 | 365.00 | 366.73 | 366.72 | 0.35% | 232,406 |
| Jul 30, 2026 | 363.70 | 374.86 | 355.00 | 365.46 | 365.45 | 1.50% | 321,413 |
| Jul 29, 2026 | 366.01 | 370.75 | 360.07 | 360.07 | 360.06 | -2.72% | 257,057 |
| Jul 28, 2026 | 364.04 | 375.00 | 360.95 | 370.12 | 370.11 | 1.74% | 244,178 |
| Jul 27, 2026 | 361.66 | 369.58 | 359.02 | 363.80 | 363.79 | 1.54% | 199,280 |
| Jul 24, 2026 | 349.01 | 358.68 | 347.95 | 358.29 | 358.28 | 3.02% | 196,767 |
| Jul 23, 2026 | 344.11 | 348.75 | 338.44 | 347.77 | 347.76 | 0.31% | 239,706 |
| Jul 22, 2026 | 340.85 | 356.05 | 340.85 | 346.70 | 346.69 | 1.80% | 350,164 |
| Jul 21, 2026 | 368.21 | 373.55 | 328.11 | 340.58 | 340.57 | -6.98% | 910,151 |
| Jul 20, 2026 | 373.24 | 377.16 | 365.86 | 366.12 | 366.11 | -1.00% | 109,751 |
| Jul 17, 2026 | 367.77 | 373.74 | 359.94 | 369.83 | 369.82 | -1.85% | 217,330 |
| Jul 16, 2026 | 377.11 | 381.06 | 373.13 | 376.79 | 376.78 | -0.74% | 190,296 |
| Jul 15, 2026 | 370.00 | 382.75 | 369.93 | 379.59 | 379.58 | 3.71% | 170,534 |
| Jul 14, 2026 | 359.98 | 368.86 | 359.98 | 366.00 | 365.99 | 1.73% | 194,387 |
| Jul 13, 2026 | 365.58 | 369.14 | 357.86 | 359.78 | 359.77 | -1.81% | 234,556 |
| Jul 10, 2026 | 368.40 | 369.94 | 366.20 | 366.41 | 366.40 | 0.40% | 198,096 |
| Jul 9, 2026 | 359.39 | 366.47 | 356.31 | 364.96 | 364.95 | 2.44% | 220,974 |
| Jul 8, 2026 | 357.85 | 360.31 | 353.68 | 356.27 | 356.26 | -0.96% | 232,854 |
| Jul 7, 2026 | 360.45 | 361.75 | 354.40 | 359.72 | 359.71 | 0.87% | 285,030 |
| Jul 6, 2026 | 345.34 | 357.85 | 344.44 | 356.61 | 356.60 | 3.49% | 292,237 |
| Jul 2, 2026 | 340.79 | 345.61 | 337.96 | 344.60 | 344.59 | 2.28% | 204,099 |