Affiliated Managers Group, Inc. (MGR) stock
MGRNYSEInvestment AdviceFiscal year ends December 31Also trades as AMG, MGRB, MGRD, MGRE
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 15/307% below fair value
$18.70+0.15 (+0.81%)
Close on Oct 30, 2026Market cap $503.03MP/E 0.7Yield 0.21%
Price history
Affiliated Managers share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$18.70
+0.81% on the day
52-week range
$18.34 – $22.02
-15.1% from the high
Change over 52 weeks
-13.6%
From $21.65 on Oct 30, 2025
Average volume
32,702
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $19.01 | $19.53 | $18.34 | $18.70 | -2.04% | 730,103 |
| Sep 2026 | $19.27 | $20.17 | $19.00 | $19.09 | -1.60% | 896,300 |
| Aug 2026 | $20.19 | $20.28 | $19.27 | $19.40 | -3.82% | 499,034 |
| Jul 2026 | $19.71 | $20.72 | $19.67 | $20.17 | +2.23% | 617,555 |
| Jun 2026 | $20.01 | $20.33 | $19.49 | $19.73 | -1.50% | 786,678 |
| May 2026 | $20.34 | $20.84 | $19.94 | $20.03 | -0.89% | 420,926 |
| Apr 2026 | $19.80 | $20.60 | $19.52 | $20.21 | +3.11% | 346,784 |
| Mar 2026 | $21.01 | $21.30 | $19.46 | $19.60 | -7.37% | 568,600 |
| Feb 2026 | $21.59 | $21.67 | $21.03 | $21.16 | -1.58% | 410,023 |
| Jan 2026 | $21.11 | $21.77 | $21.05 | $21.50 | +2.33% | 374,552 |
| Dec 2025 | $21.56 | $21.60 | $20.75 | $21.01 | -2.55% | 829,311 |
| Nov 2025 | $21.64 | $22.02 | $21.03 | $21.56 | +0.19% | 377,287 |
| Oct 2025 | $22.29 | $22.74 | $21.36 | $21.52 | -3.32% | 518,889 |
| Sep 2025 | $21.45 | $23.14 | $21.45 | $22.26 | +3.34% | 443,437 |
| Aug 2025 | $21.27 | $22.07 | $21.01 | $21.54 | +1.27% | 542,056 |
| Jul 2025 | $20.37 | $21.31 | $20.34 | $21.27 | +4.62% | 659,704 |
| Jun 2025 | $20.36 | $20.92 | $20.24 | $20.33 | -0.34% | 476,876 |
| May 2025 | $20.76 | $20.95 | $20.10 | $20.40 | -1.88% | 396,744 |
| Apr 2025 | $21.44 | $21.47 | $19.92 | $20.79 | -2.62% | 541,629 |
| Mar 2025 | $22.76 | $22.90 | $21.01 | $21.35 | -5.95% | 572,475 |
| Feb 2025 | $23.33 | $23.45 | $22.61 | $22.70 | -2.03% | 284,789 |
| Jan 2025 | $22.17 | $23.54 | $21.76 | $23.17 | +5.13% | 437,337 |
| Dec 2024 | $23.68 | $23.87 | $21.75 | $22.04 | -6.81% | 814,188 |
| Nov 2024 | $24.67 | $24.87 | $23.57 | $23.65 | -4.25% | 498,335 |
| Oct 2024 | $24.97 | $25.15 | $24.53 | $24.70 | -1.16% | 500,315 |
| Sep 2024 | $23.61 | $25.16 | $23.61 | $24.99 | +5.49% | 418,095 |
| Aug 2024 | $22.50 | $23.90 | $22.16 | $23.69 | +5.85% | 308,284 |
| Jul 2024 | $22.42 | $23.13 | $22.06 | $22.38 | +0.22% | 381,645 |
| Jun 2024 | $22.54 | $22.95 | $22.16 | $22.33 | +0.04% | 368,340 |
| May 2024 | $22.21 | $23.05 | $22.03 | $22.32 | +0.95% | 318,646 |
| Apr 2024 | $23.96 | $23.99 | $21.60 | $22.11 | -6.71% | 422,166 |
| Mar 2024 | $24.14 | $24.64 | $22.87 | $23.70 | -2.35% | 381,267 |
| Feb 2024 | $23.49 | $24.65 | $23.28 | $24.27 | +3.32% | 497,950 |
| Jan 2024 | $22.53 | $23.77 | $21.88 | $23.49 | +4.26% | 665,116 |
| Dec 2023 | $21.45 | $23.29 | $20.72 | $22.53 | +5.23% | 901,869 |
| Nov 2023 | $19.72 | $21.90 | $19.72 | $21.41 | +8.02% | 466,553 |
| Oct 2023 | $21.26 | $21.26 | $19.43 | $19.82 | -6.47% | 398,825 |
| Sep 2023 | $21.69 | $22.30 | $20.92 | $21.19 | -2.53% | 349,971 |
| Aug 2023 | $23.18 | $23.20 | $21.07 | $21.74 | -6.53% | 331,697 |
| Jul 2023 | $22.20 | $23.35 | $21.90 | $23.26 | +5.25% | 380,914 |
| Jun 2023 | $22.52 | $23.88 | $21.70 | $22.10 | -1.34% | 371,629 |
| May 2023 | $25.29 | $25.35 | $21.00 | $22.40 | -11.60% | 769,874 |
| Apr 2023 | $23.12 | $25.48 | $22.55 | $25.34 | +9.55% | 509,447 |
| Mar 2023 | $23.30 | $23.50 | $20.86 | $23.13 | -0.60% | 376,701 |
| Feb 2023 | $25.23 | $25.45 | $23.03 | $23.27 | -8.02% | 425,737 |
| Jan 2023 | $21.06 | $25.45 | $20.90 | $25.30 | +21.75% | 635,648 |
| Dec 2022 | $23.22 | $23.97 | $20.65 | $20.78 | -9.34% | 674,140 |
| Nov 2022 | $20.82 | $23.04 | $19.94 | $22.92 | +10.89% | 739,117 |
| Oct 2022 | $23.26 | $23.57 | $20.33 | $20.67 | -9.90% | 434,056 |
| Sep 2022 | $23.14 | $23.53 | $22.30 | $22.94 | -1.63% | 632,712 |
| Aug 2022 | $25.14 | $26.29 | $23.23 | $23.32 | -7.83% | 532,576 |
| Jul 2022 | $23.96 | $25.57 | $23.65 | $25.30 | +6.12% | 280,614 |
| Jun 2022 | $25.37 | $25.58 | $23.11 | $23.84 | -5.58% | 351,536 |
| May 2022 | $24.18 | $25.42 | $22.82 | $25.25 | +3.53% | 662,954 |
| Apr 2022 | $25.03 | $25.11 | $23.95 | $24.39 | -2.36% | 742,532 |
| Mar 2022 | $26.35 | $26.56 | $24.75 | $24.98 | -5.49% | 724,627 |
| Feb 2022 | $26.52 | $26.75 | $25.45 | $26.43 | -0.64% | 422,532 |
| Jan 2022 | $26.99 | $26.99 | $25.71 | $26.60 | -1.44% | 423,023 |
| Dec 2021 | $26.43 | $27.25 | $26.36 | $26.99 | +2.51% | 420,590 |
| Nov 2021 | $27.56 | $27.88 | $26.14 | $26.33 | -4.46% | 452,260 |
| Oct 2021 | $26.89 | $27.74 | $26.44 | $27.56 | +2.76% | 412,204 |
| Sep 2021 | $27.47 | $27.96 | $26.68 | $26.82 | -1.97% | 503,893 |
| Aug 2021 | $28.02 | $28.10 | $27.32 | $27.36 | -2.36% | 358,371 |
| Jul 2021 | $27.84 | $28.52 | $27.82 | $28.02 | +0.61% | 277,218 |
| Jun 2021 | $27.69 | $28.28 | $27.56 | $27.85 | +0.87% | 426,867 |
| May 2021 | $27.66 | $28.00 | $27.08 | $27.61 | +0.11% | 389,265 |
| Apr 2021 | $27.34 | $28.15 | $27.34 | $27.58 | +0.69% | 400,807 |
| Mar 2021 | $26.78 | $27.82 | $26.67 | $27.39 | +2.70% | 410,408 |
| Feb 2021 | $27.28 | $27.41 | $26.27 | $26.67 | -2.13% | 407,517 |
| Jan 2021 | $27.80 | $27.80 | $26.46 | $27.25 | -1.80% | 396,453 |
| Dec 2020 | $27.50 | $28.09 | $27.46 | $27.75 | +1.31% | 555,542 |
| Nov 2020 | $27.02 | $27.83 | $26.68 | $27.39 | +2.16% | 377,546 |
| Oct 2020 | $27.23 | $27.66 | $26.53 | $26.81 | -1.32% | 349,403 |
| Sep 2020 | $27.62 | $28.25 | $26.80 | $27.17 | -1.02% | 597,361 |
| Aug 2020 | $27.77 | $28.47 | $27.20 | $27.45 | -1.33% | 418,370 |
| Jul 2020 | $26.86 | $27.82 | $26.57 | $27.82 | +3.69% | 414,534 |
| Jun 2020 | $26.83 | $27.40 | $25.30 | $26.83 | -0.45% | 900,029 |
| May 2020 | $25.23 | $27.52 | $24.52 | $26.95 | +6.82% | 531,639 |
| Apr 2020 | $22.97 | $25.50 | $20.92 | $25.23 | +8.70% | 661,575 |
| Mar 2020 | $26.12 | $26.99 | $14.68 | $23.21 | -10.25% | 1,081,265 |
| Feb 2020 | $27.39 | $28.05 | $25.86 | $25.86 | -5.59% | 556,142 |
| Jan 2020 | $27.23 | $27.49 | $26.95 | $27.39 | +1.33% | 471,083 |
| Dec 2019 | $26.46 | $27.48 | $26.10 | $27.03 | +2.85% | 529,696 |
| Nov 2019 | $26.70 | $26.89 | $26.28 | $26.28 | -1.43% | 831,028 |
| Oct 2019 | $26.25 | $26.85 | $25.98 | $26.66 | +1.76% | 2,050,163 |
| Sep 2019 | $26.78 | $26.95 | $26.05 | $26.20 | -2.31% | 892,958 |
| Aug 2019 | $26.43 | $26.85 | $25.77 | $26.82 | +1.32% | 801,648 |
| Jul 2019 | $25.65 | $26.50 | $25.50 | $26.47 | +3.16% | 738,751 |
| Jun 2019 | $25.65 | $25.85 | $25.25 | $25.66 | +0.04% | 1,145,491 |
| May 2019 | $25.34 | $25.65 | $25.06 | $25.65 | +1.34% | 1,101,765 |
| Apr 2019 | $24.68 | $25.44 | $24.60 | $25.31 | +2.97% | 4,475,068 |
| Mar 2019 | $24.74 | $24.74 | $24.58 | $24.58 | -3.53% | 100,660 |
| Jul 2017 | $25.40 | $25.53 | $25.37 | $25.48 | +0.31% | 201,477 |
| Jun 2017 | $25.32 | $25.45 | $25.31 | $25.40 | +0.28% | 441,658 |
| May 2017 | $25.31 | $25.42 | $25.26 | $25.33 | +0.08% | 650,078 |
| Apr 2017 | $25.59 | $25.73 | $25.28 | $25.31 | -0.94% | 515,439 |
| Mar 2017 | $25.81 | $25.81 | $25.41 | $25.55 | -0.85% | 379,028 |
| Feb 2017 | $25.37 | $25.85 | $25.35 | $25.77 | +1.42% | 237,222 |
| Jan 2017 | $25.20 | $25.93 | $25.17 | $25.41 | +0.63% | 519,067 |
| Dec 2016 | $25.20 | $25.36 | $24.97 | $25.25 | -0.08% | 360,335 |
| Nov 2016 | $25.71 | $25.75 | $24.80 | $25.27 | -1.79% | 697,737 |
| Oct 2016 | $26.27 | $26.55 | $25.71 | $25.73 | -2.09% | 482,480 |
| Sep 2016 | $26.59 | $26.62 | $26.12 | $26.28 | -1.17% | 360,188 |
| Aug 2016 | $26.83 | $27.69 | $26.40 | $26.59 | -0.78% | 555,078 |
| Jul 2016 | $26.53 | $27.19 | $26.51 | $26.80 | +0.45% | 562,845 |
| Jun 2016 | $26.12 | $26.74 | $26.00 | $26.68 | +2.03% | 1,003,865 |
| May 2016 | $26.13 | $26.72 | $26.10 | $26.15 | -0.53% | 524,170 |
| Apr 2016 | $26.10 | $26.40 | $25.80 | $26.29 | +0.15% | 547,878 |
| Mar 2016 | $26.20 | $26.37 | $25.90 | $26.25 | +0.57% | 617,428 |
| Feb 2016 | $25.86 | $26.24 | $24.73 | $26.10 | +0.77% | 584,310 |
| Jan 2016 | $26.38 | $26.70 | $25.71 | $25.90 | -2.85% | 485,883 |
| Dec 2015 | $26.23 | $26.66 | $25.45 | $26.66 | +1.83% | 429,159 |
| Nov 2015 | $25.98 | $26.38 | $25.96 | $26.18 | +0.42% | 488,116 |
| Oct 2015 | $26.05 | $26.47 | $25.90 | $26.07 | +0.15% | 896,643 |
| Sep 2015 | $26.30 | $26.59 | $25.93 | $26.03 | -1.85% | 443,299 |
| Aug 2015 | $26.41 | $26.58 | $25.28 | $26.52 | +0.49% | 280,943 |
| Jul 2015 | $25.72 | $26.49 | $25.62 | $26.39 | +2.57% | 288,741 |
| Jun 2015 | $26.21 | $26.21 | $25.43 | $25.73 | -1.30% | 260,025 |
| May 2015 | $26.25 | $26.38 | $25.21 | $26.07 | -0.69% | 417,887 |
| Apr 2015 | $26.96 | $27.10 | $26.23 | $26.25 | -2.85% | 255,740 |
| Mar 2015 | $26.07 | $27.07 | $25.86 | $27.02 | +3.33% | 264,347 |
| Feb 2015 | $26.52 | $26.93 | $25.65 | $26.15 | -0.76% | 322,856 |
| Jan 2015 | $26.87 | $27.04 | $25.93 | $26.35 | -1.42% | 355,251 |
| Dec 2014 | $26.39 | $26.74 | $25.22 | $26.73 | +1.83% | 343,917 |
| Nov 2014 | $25.94 | $26.48 | $21.78 | $26.25 | +0.73% | 357,242 |
| Oct 2014 | $25.43 | $26.40 | $25.24 | $26.06 | +2.28% | 287,011 |
| Sep 2014 | $25.48 | $25.74 | $24.68 | $25.48 | +0.16% | 347,716 |
| Aug 2014 | $25.03 | $26.08 | $25.01 | $25.44 | +1.11% | 328,580 |
| Jul 2014 | $26.09 | $26.52 | $24.92 | $25.16 | -3.01% | 274,119 |
| Jun 2014 | $25.61 | $26.18 | $24.95 | $25.94 | +1.37% | 410,893 |
| May 2014 | $24.89 | $25.69 | $24.84 | $25.59 | +3.06% | 713,536 |
| Apr 2014 | $24.98 | $25.34 | $24.76 | $24.83 | -0.68% | 632,066 |
| Mar 2014 | $24.43 | $25.19 | $24.06 | $25.00 | +2.46% | 773,883 |
| Feb 2014 | $23.87 | $25.04 | $23.60 | $24.40 | +2.69% | 385,213 |
| Jan 2014 | $22.75 | $24.22 | $22.75 | $23.76 | +4.44% | 402,921 |
| Dec 2013 | $23.20 | $23.21 | $22.40 | $22.75 | -2.15% | 591,017 |
| Nov 2013 | $23.32 | $23.64 | $22.86 | $23.25 | -0.90% | 585,273 |
| Oct 2013 | $22.72 | $23.62 | $22.40 | $23.46 | +2.85% | 600,795 |
| Sep 2013 | $23.56 | $23.58 | $22.68 | $22.81 | -2.73% | 436,613 |
| Aug 2013 | $25.03 | $25.03 | $22.22 | $23.45 | -6.46% | 534,117 |
| Jul 2013 | $25.31 | $25.49 | $24.71 | $25.07 | +2.04% | 332,484 |
| Jun 2013 | $25.98 | $25.98 | $24.00 | $24.57 | -6.22% | 401,493 |
| May 2013 | $27.08 | $27.60 | $26.17 | $26.20 | -3.11% | 354,405 |
| Apr 2013 | $26.96 | $27.33 | $26.38 | $27.04 | +0.30% | 313,578 |
| Mar 2013 | $26.28 | $27.03 | $25.93 | $26.96 | +3.22% | 332,110 |
| Feb 2013 | $26.00 | $26.29 | $25.52 | $26.12 | +0.85% | 526,478 |
| Jan 2013 | $26.35 | $26.91 | $25.78 | $25.90 | -1.52% | 317,242 |
| Dec 2012 | $25.63 | $26.38 | $25.44 | $26.30 | +2.73% | 929,506 |
| Nov 2012 | $25.73 | $25.96 | $25.02 | $25.60 | -0.12% | 642,816 |
| Oct 2012 | $25.80 | $26.60 | $25.55 | $25.63 | -0.66% | 1,911,370 |
| Sep 2012 | $25.49 | $25.87 | $25.40 | $25.80 | +1.22% | 1,650,634 |
| Aug 2012 | $25.25 | $25.60 | $25.12 | $25.49 | – | 2,595,209 |
Seasonality
MGR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 3.3% | -1.6% | -2.2% | 1.3% | -0.2% | 0.7% | 2.7% | -1.6% | 1.0% | -2.4% | 1.2% | 0.3% |
| Months up | 6 of 9 | 3 of 9 | 3 of 10 | 6 of 10 | 6 of 10 | 9 of 10 | 10 of 10 | 3 of 9 | 4 of 9 | 2 of 9 | 4 of 8 | 4 of 8 |
| 2026 | 2.3% | -1.6% | -5.7% | 3.1% | -0.9% | 0.3% | 2.2% | -3.8% | 0.3% | -2.0% | ||
| 2025 | 5.1% | -2.0% | -4.3% | -2.6% | -1.9% | 1.4% | 4.6% | 1.3% | 5.0% | -3.3% | 0.2% | -0.9% |
| 2024 | 4.3% | 3.3% | -0.9% | -6.7% | 1.0% | 1.7% | 0.2% | 5.9% | 7.1% | -1.2% | -4.3% | -5.2% |
| 2023 | 21.8% | -8.0% | 1.1% | 9.6% | -11.6% | 0.3% | 5.2% | -6.5% | -0.8% | -6.5% | 8.0% | 7.0% |
| 2022 | -1.4% | -0.6% | -4.1% | -2.4% | 3.5% | -4.1% | 6.1% | -7.8% | -0.0% | -9.9% | 10.9% | -7.8% |
| 2021 | -1.8% | -2.1% | 4.1% | 0.7% | 0.1% | 2.2% | 0.6% | -2.4% | -0.6% | 2.8% | -4.5% | 3.9% |
| 2020 | 1.3% | -5.6% | -8.8% | 8.7% | 6.8% | 0.9% | 3.7% | -1.3% | 0.3% | -1.3% | 2.2% | 2.7% |
| 2019 | -3.5% | 3.0% | 1.3% | 1.5% | 3.2% | 1.3% | -0.9% | 1.8% | -1.4% | 2.9% | ||
| 2017 | 0.6% | 1.4% | -0.9% | -0.9% | 0.1% | 0.3% | 0.3% | |||||
| 2016 | -2.9% | 0.8% | 0.6% | 0.2% | -0.5% | 2.0% | 0.4% | -0.8% | -1.2% | -2.1% | -1.8% | -0.1% |