Affiliated Managers Group, Inc. (AMG) stock
AMGNYSEInvestment AdviceFiscal year ends December 31Also trades as MGR, MGRB, MGRD, MGRE
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 15/307% below fair value
$381.57−17.45 (-4.37%)
Close on Oct 30, 2026Market cap $10.26BP/E 13.5Yield 0.01%
Price history
Affiliated Managers share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$381.57
-4.37% on the day
52-week range
$236.32 – $400.13
-4.6% from the high
Change over 52 weeks
+61.2%
From $236.68 on Oct 30, 2025
Average volume
279,010
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | $394.80 | $394.80 | $378.08 | $381.57 | -4.37% | 274,995 |
| Oct 29, 2026 | $397.29 | $400.13 | $392.14 | $399.02 | +1.47% | 278,209 |
| Oct 28, 2026 | $394.35 | $394.48 | $386.50 | $393.24 | +0.32% | 210,126 |
| Oct 27, 2026 | $394.21 | $395.60 | $389.61 | $391.99 | +0.26% | 192,097 |
| Oct 26, 2026 | $387.04 | $397.73 | $383.92 | $390.97 | +1.97% | 159,313 |
| Oct 23, 2026 | $391.18 | $399.00 | $382.03 | $383.42 | -3.06% | 389,396 |
| Oct 22, 2026 | $388.91 | $397.06 | $383.01 | $395.53 | +0.48% | 204,437 |
| Oct 21, 2026 | $392.62 | $396.08 | $388.24 | $393.66 | +1.26% | 263,246 |
| Oct 20, 2026 | $385.87 | $394.09 | $384.41 | $388.75 | +0.95% | 220,824 |
| Oct 19, 2026 | $384.07 | $387.49 | $381.89 | $385.10 | +0.35% | 169,897 |
| Oct 16, 2026 | $385.74 | $390.81 | $380.27 | $383.76 | +0.19% | 375,980 |
| Oct 15, 2026 | $372.93 | $384.33 | $369.71 | $383.04 | +2.92% | 289,713 |
| Oct 14, 2026 | $376.12 | $381.09 | $371.04 | $372.17 | -1.80% | 325,246 |
| Oct 13, 2026 | $385.02 | $387.47 | $376.11 | $379.01 | -0.74% | 240,455 |
| Oct 12, 2026 | $389.12 | $395.00 | $381.15 | $381.83 | -1.40% | 213,332 |
| Oct 9, 2026 | $388.36 | $391.38 | $384.68 | $387.26 | +0.07% | 332,171 |
| Oct 8, 2026 | $375.88 | $393.42 | $375.84 | $386.99 | +2.63% | 324,546 |
| Oct 7, 2026 | $374.24 | $377.91 | $370.44 | $377.09 | -0.69% | 263,114 |
| Oct 6, 2026 | $381.97 | $385.86 | $375.60 | $379.72 | -0.26% | 415,062 |
| Oct 5, 2026 | $373.57 | $384.57 | $371.52 | $380.70 | +2.50% | 352,239 |
| Oct 2, 2026 | $375.31 | $379.86 | $371.40 | $371.43 | -0.14% | 219,432 |
| Oct 1, 2026 | $365.19 | $375.00 | $364.02 | $371.95 | +1.73% | 176,177 |
| Sep 30, 2026 | $369.42 | $375.63 | $365.09 | $365.61 | -1.35% | 324,165 |
| Sep 29, 2026 | $368.05 | $372.12 | $364.16 | $370.61 | +0.67% | 303,728 |
| Sep 28, 2026 | $371.42 | $373.04 | $356.18 | $368.13 | -1.49% | 503,022 |
| Sep 25, 2026 | $372.94 | $379.06 | $371.46 | $373.69 | +0.80% | 241,990 |
| Sep 24, 2026 | $366.91 | $371.85 | $361.44 | $370.71 | +1.24% | 353,628 |
| Sep 23, 2026 | $357.59 | $369.88 | $357.59 | $366.17 | +1.63% | 272,621 |
| Sep 22, 2026 | $366.04 | $366.39 | $355.27 | $360.28 | -1.20% | 323,838 |
| Sep 21, 2026 | $359.65 | $366.13 | $356.16 | $364.66 | +2.49% | 204,986 |
| Sep 18, 2026 | $353.24 | $358.39 | $349.58 | $355.80 | +1.03% | 509,861 |
| Sep 17, 2026 | $348.00 | $356.02 | $346.66 | $352.18 | +2.73% | 308,478 |
| Sep 16, 2026 | $348.66 | $352.66 | $339.87 | $342.82 | -1.47% | 335,043 |
| Sep 15, 2026 | $348.78 | $354.47 | $344.60 | $347.94 | -0.58% | 236,832 |
| Sep 14, 2026 | $353.41 | $357.43 | $342.55 | $349.98 | -1.58% | 219,056 |
| Sep 11, 2026 | $360.43 | $360.43 | $352.59 | $355.61 | +0.30% | 184,106 |
| Sep 10, 2026 | $354.28 | $358.75 | $350.99 | $354.53 | -0.37% | 219,883 |
| Sep 9, 2026 | $359.57 | $359.81 | $354.11 | $355.85 | -1.21% | 249,677 |
| Sep 8, 2026 | $368.91 | $370.00 | $359.49 | $360.22 | -2.70% | 282,788 |
| Sep 4, 2026 | $363.09 | $371.80 | $361.40 | $370.22 | +1.10% | 243,923 |
| Sep 3, 2026 | $359.70 | $368.35 | $358.00 | $366.18 | +2.72% | 447,480 |
| Sep 2, 2026 | $362.00 | $374.09 | $354.73 | $356.47 | -1.19% | 416,851 |
| Sep 1, 2026 | $363.73 | $372.80 | $360.26 | $360.75 | -2.02% | 216,471 |
| Aug 31, 2026 | $370.85 | $375.61 | $367.97 | $368.19 | -0.72% | 307,295 |
| Aug 28, 2026 | $371.23 | $376.75 | $368.70 | $370.87 | +0.11% | 164,205 |
| Aug 27, 2026 | $370.14 | $374.92 | $367.55 | $370.48 | -0.03% | 284,598 |
| Aug 26, 2026 | $366.13 | $373.73 | $363.33 | $370.59 | +1.45% | 195,697 |
| Aug 25, 2026 | $360.85 | $367.10 | $358.18 | $365.28 | +1.77% | 164,536 |
| Aug 24, 2026 | $355.67 | $364.95 | $351.77 | $358.94 | +0.77% | 257,141 |
| Aug 21, 2026 | $356.02 | $367.35 | $355.55 | $356.21 | +1.02% | 277,215 |
| Aug 20, 2026 | $354.68 | $358.04 | $350.76 | $352.61 | -0.79% | 267,415 |
| Aug 19, 2026 | $365.31 | $367.86 | $355.18 | $355.41 | -2.24% | 366,242 |
| Aug 18, 2026 | $370.00 | $370.21 | $360.78 | $363.57 | -2.11% | 377,726 |
| Aug 17, 2026 | $371.89 | $375.99 | $368.23 | $371.40 | -0.79% | 240,364 |
| Aug 14, 2026 | $364.61 | $374.90 | $363.28 | $374.37 | +1.98% | 277,968 |
| Aug 13, 2026 | $364.77 | $370.87 | $360.58 | $367.10 | +1.30% | 228,700 |
| Aug 12, 2026 | $360.90 | $365.33 | $358.25 | $362.40 | +0.93% | 209,139 |
| Aug 11, 2026 | $363.81 | $370.79 | $358.95 | $359.07 | -1.19% | 294,310 |
| Aug 10, 2026 | $368.11 | $371.75 | $361.81 | $363.39 | -1.71% | 276,957 |
| Aug 7, 2026 | $373.07 | $378.32 | $367.91 | $369.70 | -0.67% | 186,694 |
| Aug 6, 2026 | $376.65 | $379.02 | $372.07 | $372.18 | -0.92% | 117,398 |
| Aug 5, 2026 | $387.61 | $390.99 | $375.45 | $375.62 | -2.03% | 196,072 |
| Aug 4, 2026 | $382.72 | $392.92 | $382.37 | $383.42 | +0.66% | 290,001 |
| Aug 3, 2026 | $368.70 | $384.11 | $368.70 | $380.89 | +3.86% | 347,138 |
| Jul 31, 2026 | $366.13 | $375.41 | $365.00 | $366.73 | +0.35% | 232,406 |
| Jul 30, 2026 | $363.70 | $374.86 | $355.00 | $365.46 | +1.50% | 321,413 |
| Jul 29, 2026 | $366.01 | $370.75 | $360.07 | $360.07 | -2.72% | 257,057 |
| Jul 28, 2026 | $364.04 | $375.00 | $360.95 | $370.12 | +1.74% | 244,178 |
| Jul 27, 2026 | $361.66 | $369.58 | $359.02 | $363.80 | +1.54% | 199,280 |
| Jul 24, 2026 | $349.01 | $358.68 | $347.95 | $358.29 | +3.02% | 196,767 |
| Jul 23, 2026 | $344.11 | $348.75 | $338.44 | $347.77 | +0.31% | 239,706 |
| Jul 22, 2026 | $340.85 | $356.05 | $340.85 | $346.70 | +1.80% | 350,164 |
| Jul 21, 2026 | $368.21 | $373.55 | $328.11 | $340.58 | -6.98% | 910,151 |
| Jul 20, 2026 | $373.24 | $377.16 | $365.86 | $366.12 | -1.00% | 109,751 |
| Jul 17, 2026 | $367.77 | $373.74 | $359.94 | $369.83 | -1.85% | 217,330 |
| Jul 16, 2026 | $377.11 | $381.06 | $373.13 | $376.79 | -0.74% | 190,296 |
| Jul 15, 2026 | $370.00 | $382.75 | $369.93 | $379.59 | +3.71% | 170,534 |
| Jul 14, 2026 | $359.98 | $368.86 | $359.98 | $366.00 | +1.73% | 194,387 |
| Jul 13, 2026 | $365.58 | $369.14 | $357.86 | $359.78 | -1.81% | 234,556 |
| Jul 10, 2026 | $368.40 | $369.94 | $366.20 | $366.41 | +0.40% | 198,096 |
| Jul 9, 2026 | $359.39 | $366.47 | $356.31 | $364.96 | +2.44% | 220,974 |
| Jul 8, 2026 | $357.85 | $360.31 | $353.68 | $356.27 | -0.96% | 232,854 |
| Jul 7, 2026 | $360.45 | $361.75 | $354.40 | $359.72 | +0.87% | 285,030 |
| Jul 6, 2026 | $345.34 | $357.85 | $344.44 | $356.61 | +3.49% | 292,237 |
| Jul 2, 2026 | $340.79 | $345.61 | $337.96 | $344.60 | +2.28% | 204,099 |
| Jul 1, 2026 | $338.50 | $348.50 | $336.76 | $336.91 | -0.44% | 303,921 |
| Jun 30, 2026 | $344.33 | $349.21 | $336.36 | $338.40 | -1.19% | 550,935 |
| Jun 29, 2026 | $342.05 | $343.94 | $334.20 | $342.46 | +0.14% | 489,252 |
| Jun 26, 2026 | $340.19 | $344.55 | $337.57 | $341.98 | +0.56% | 450,876 |
| Jun 25, 2026 | $342.52 | $346.59 | $337.35 | $340.08 | +0.29% | 199,426 |
| Jun 24, 2026 | $350.15 | $350.38 | $337.51 | $339.10 | -3.18% | 257,109 |
| Jun 23, 2026 | $352.27 | $356.34 | $349.35 | $350.22 | -1.98% | 259,610 |
| Jun 22, 2026 | $354.92 | $358.99 | $349.00 | $357.31 | +1.25% | 317,034 |
| Jun 18, 2026 | $361.53 | $361.78 | $351.16 | $352.90 | -0.78% | 646,670 |
| Jun 17, 2026 | $357.42 | $362.94 | $353.94 | $355.67 | -0.51% | 255,919 |
| Jun 16, 2026 | $355.85 | $359.49 | $353.92 | $357.50 | +1.29% | 169,662 |
| Jun 15, 2026 | $359.30 | $363.89 | $352.12 | $352.93 | -0.48% | 260,472 |
| Jun 12, 2026 | $347.08 | $355.55 | $346.00 | $354.62 | +2.99% | 371,459 |
| Jun 11, 2026 | $341.13 | $345.81 | $335.56 | $344.33 | +2.68% | 233,292 |
| Jun 10, 2026 | $339.42 | $346.79 | $334.60 | $335.34 | -1.98% | 325,778 |
| Jun 9, 2026 | $339.58 | $348.15 | $333.01 | $342.12 | +1.63% | 362,721 |
| Jun 8, 2026 | $337.09 | $345.07 | $334.98 | $336.62 | -0.06% | 613,067 |
| Jun 5, 2026 | $332.71 | $338.07 | $328.38 | $336.81 | +0.59% | 611,126 |
| Jun 4, 2026 | $312.62 | $336.76 | $312.62 | $334.82 | +7.45% | 544,299 |
| Jun 3, 2026 | $306.52 | $312.87 | $299.81 | $311.61 | +0.35% | 383,222 |
| Jun 2, 2026 | $302.39 | $312.30 | $301.90 | $310.52 | +2.67% | 310,253 |
| Jun 1, 2026 | $302.39 | $307.35 | $300.04 | $302.45 | -0.13% | 258,146 |
| May 29, 2026 | $303.16 | $307.10 | $301.70 | $302.85 | -0.04% | 500,377 |
| May 28, 2026 | $305.88 | $308.71 | $301.63 | $302.96 | -1.61% | 297,086 |
| May 27, 2026 | $308.95 | $313.35 | $303.51 | $307.92 | -0.24% | 451,281 |
| May 26, 2026 | $304.08 | $309.75 | $303.30 | $308.65 | +2.22% | 227,898 |
| May 22, 2026 | $303.53 | $306.47 | $295.78 | $301.96 | -0.22% | 262,692 |
| May 21, 2026 | $299.42 | $302.84 | $295.41 | $302.63 | +0.43% | 338,121 |
| May 20, 2026 | $296.93 | $303.53 | $294.99 | $301.34 | +2.18% | 355,410 |
| May 19, 2026 | $296.56 | $299.57 | $293.49 | $294.90 | -0.72% | 232,316 |
| May 18, 2026 | $293.97 | $301.39 | $291.25 | $297.03 | +1.06% | 231,803 |
| May 15, 2026 | $299.72 | $301.10 | $293.18 | $293.91 | -2.71% | 308,409 |
| May 14, 2026 | $305.82 | $307.78 | $301.48 | $302.10 | -0.45% | 186,617 |
| May 13, 2026 | $301.33 | $304.57 | $296.32 | $303.48 | +0.65% | 174,490 |
| May 12, 2026 | $300.74 | $303.22 | $296.37 | $301.53 | +0.08% | 285,744 |
| May 11, 2026 | $302.60 | $304.65 | $298.39 | $301.28 | -0.50% | 273,363 |
| May 8, 2026 | $299.27 | $303.40 | $290.90 | $302.80 | +1.69% | 339,904 |
| May 7, 2026 | $308.84 | $310.97 | $296.44 | $297.76 | -2.70% | 317,971 |
| May 6, 2026 | $307.28 | $308.89 | $303.17 | $306.02 | +0.78% | 280,465 |
| May 5, 2026 | $298.83 | $305.97 | $295.82 | $303.64 | +2.05% | 274,937 |
| May 4, 2026 | $292.07 | $305.08 | $291.71 | $297.53 | +2.22% | 373,113 |
| May 1, 2026 | $301.76 | $317.81 | $285.96 | $291.07 | -1.22% | 561,233 |
| Apr 30, 2026 | $288.19 | $297.72 | $285.00 | $294.67 | +1.93% | 473,820 |
| Apr 29, 2026 | $292.53 | $293.60 | $287.18 | $289.10 | -1.15% | 335,452 |
| Apr 28, 2026 | $292.63 | $295.24 | $289.39 | $292.47 | +0.31% | 279,513 |
| Apr 27, 2026 | $287.18 | $293.56 | $286.31 | $291.57 | +1.44% | 281,191 |
| Apr 24, 2026 | $287.82 | $291.23 | $283.93 | $287.44 | +1.07% | 302,438 |
| Apr 23, 2026 | $299.16 | $299.88 | $270.35 | $284.39 | -5.61% | 692,366 |
| Apr 22, 2026 | $303.10 | $305.46 | $298.89 | $301.30 | +0.13% | 209,438 |
| Apr 21, 2026 | $302.82 | $306.73 | $299.51 | $300.91 | -0.02% | 209,532 |
| Apr 20, 2026 | $294.33 | $301.46 | $293.00 | $300.97 | +2.03% | 225,090 |
| Apr 17, 2026 | $302.62 | $308.06 | $291.19 | $294.98 | -1.48% | 588,436 |
| Apr 16, 2026 | $301.60 | $304.04 | $295.92 | $299.41 | -0.58% | 346,422 |
| Apr 15, 2026 | $305.73 | $306.74 | $299.81 | $301.15 | -0.68% | 298,768 |
| Apr 14, 2026 | $293.45 | $305.87 | $293.45 | $303.21 | +4.16% | 362,661 |
| Apr 13, 2026 | $281.44 | $292.64 | $281.44 | $291.10 | +2.01% | 235,494 |
| Apr 10, 2026 | $285.58 | $286.33 | $280.66 | $285.36 | -0.34% | 310,059 |
| Apr 9, 2026 | $288.08 | $291.32 | $283.31 | $286.32 | -0.06% | 302,361 |
| Apr 8, 2026 | $279.22 | $287.14 | $279.22 | $286.48 | +5.98% | 506,618 |
| Apr 7, 2026 | $265.81 | $272.00 | $264.97 | $270.31 | +1.12% | 355,412 |
| Apr 6, 2026 | $265.01 | $269.68 | $264.01 | $267.31 | +0.68% | 448,051 |
| Apr 2, 2026 | $267.06 | $270.74 | $254.44 | $265.51 | -2.92% | 393,761 |
| Apr 1, 2026 | $280.67 | $283.21 | $273.25 | $273.50 | -1.16% | 250,328 |
| Mar 31, 2026 | $275.00 | $281.15 | $271.10 | $276.70 | +2.53% | 232,510 |
| Mar 30, 2026 | $272.19 | $275.37 | $268.50 | $269.88 | +0.33% | 316,835 |
| Mar 27, 2026 | $274.94 | $276.50 | $267.98 | $268.98 | -2.66% | 305,970 |
| Mar 26, 2026 | $277.25 | $277.27 | $270.08 | $276.34 | -1.54% | 419,511 |
| Mar 25, 2026 | $278.40 | $283.38 | $277.54 | $280.66 | +1.85% | 215,236 |
| Mar 24, 2026 | $272.34 | $277.21 | $269.82 | $275.55 | +0.10% | 354,471 |
| Mar 23, 2026 | $285.44 | $286.76 | $274.88 | $275.28 | -1.04% | 531,112 |
| Mar 20, 2026 | $278.86 | $280.76 | $274.16 | $278.17 | -0.18% | 675,528 |
| Mar 19, 2026 | $275.09 | $282.38 | $273.35 | $278.67 | +1.10% | 477,020 |
| Mar 18, 2026 | $275.45 | $281.06 | $273.84 | $275.65 | -1.15% | 362,891 |
| Mar 17, 2026 | $276.97 | $285.30 | $276.97 | $278.86 | +2.12% | 321,996 |
| Mar 16, 2026 | $276.47 | $278.85 | $271.48 | $273.08 | +0.42% | 265,779 |
| Mar 13, 2026 | $273.54 | $276.58 | $270.06 | $271.95 | +0.56% | 218,470 |
| Mar 12, 2026 | $275.99 | $278.86 | $267.23 | $270.43 | -4.13% | 397,193 |
| Mar 11, 2026 | $280.14 | $286.32 | $271.57 | $282.08 | +0.45% | 454,526 |
| Mar 10, 2026 | $283.54 | $287.61 | $277.30 | $280.82 | -0.25% | 400,997 |
| Mar 9, 2026 | $280.39 | $283.20 | $269.94 | $281.53 | -1.48% | 457,302 |
| Mar 6, 2026 | $291.30 | $291.30 | $280.96 | $285.77 | -4.48% | 314,268 |
| Mar 5, 2026 | $301.00 | $306.10 | $291.25 | $299.18 | -1.30% | 366,378 |
| Mar 4, 2026 | $313.26 | $313.26 | $300.85 | $303.13 | -2.31% | 505,146 |
| Mar 3, 2026 | $303.60 | $312.36 | $296.45 | $310.30 | -0.84% | 326,871 |
| Mar 2, 2026 | $301.33 | $315.89 | $300.62 | $312.92 | +2.20% | 275,360 |
| Feb 27, 2026 | $307.55 | $307.55 | $297.21 | $306.18 | -2.16% | 448,438 |
| Feb 26, 2026 | $315.00 | $318.90 | $308.66 | $312.94 | +0.10% | 349,192 |
| Feb 25, 2026 | $305.12 | $312.79 | $301.97 | $312.63 | +3.47% | 364,417 |
| Feb 24, 2026 | $291.29 | $302.44 | $291.06 | $302.14 | +3.72% | 490,460 |
| Feb 23, 2026 | $286.90 | $292.16 | $279.02 | $291.29 | +1.25% | 405,294 |
| Feb 20, 2026 | $319.47 | $319.76 | $285.63 | $287.69 | -10.72% | 988,508 |
| Feb 19, 2026 | $327.77 | $330.35 | $320.52 | $322.23 | -2.58% | 325,304 |
| Feb 18, 2026 | $323.95 | $334.78 | $321.32 | $330.75 | +2.40% | 420,251 |
| Feb 17, 2026 | $331.95 | $332.85 | $319.35 | $323.01 | -2.06% | 469,220 |
| Feb 13, 2026 | $330.38 | $330.38 | $319.32 | $329.79 | +0.26% | 453,318 |
| Feb 12, 2026 | $308.09 | $329.19 | $304.12 | $328.95 | +6.77% | 1,117,025 |
| Feb 11, 2026 | $304.65 | $310.60 | $289.80 | $308.09 | +1.41% | 822,938 |
| Feb 10, 2026 | $304.75 | $308.43 | $299.17 | $303.80 | -0.27% | 349,448 |
| Feb 9, 2026 | $304.35 | $309.54 | $304.34 | $304.62 | -0.29% | 459,421 |
| Feb 6, 2026 | $306.54 | $313.32 | $300.00 | $305.50 | +1.31% | 358,156 |
| Feb 5, 2026 | $307.32 | $309.00 | $294.15 | $301.55 | -3.11% | 473,577 |
| Feb 4, 2026 | $307.55 | $313.17 | $303.58 | $311.24 | +0.92% | 335,825 |
| Feb 3, 2026 | $316.92 | $319.85 | $302.08 | $308.40 | -2.50% | 474,031 |
| Feb 2, 2026 | $313.38 | $317.40 | $310.62 | $316.32 | +1.03% | 335,880 |
| Jan 30, 2026 | $310.25 | $315.51 | $309.70 | $313.09 | +0.10% | 501,429 |
| Jan 29, 2026 | $316.06 | $319.46 | $309.53 | $312.77 | -0.26% | 292,577 |
| Jan 28, 2026 | $309.45 | $315.09 | $307.44 | $313.58 | +1.96% | 281,623 |
| Jan 27, 2026 | $314.87 | $315.50 | $304.92 | $307.56 | -1.67% | 487,850 |
| Jan 26, 2026 | $321.27 | $322.43 | $309.35 | $312.77 | -2.20% | 532,308 |
| Jan 23, 2026 | $327.00 | $327.30 | $319.02 | $319.82 | -2.96% | 296,535 |
| Jan 22, 2026 | $330.54 | $334.00 | $328.37 | $329.57 | +0.49% | 250,550 |
| Jan 21, 2026 | $321.61 | $331.73 | $321.50 | $327.96 | +2.88% | 455,092 |
| Jan 20, 2026 | $323.48 | $330.00 | $317.10 | $318.78 | -2.25% | 477,372 |
| Jan 16, 2026 | $321.22 | $327.53 | $321.22 | $326.12 | +1.21% | 345,511 |
| Jan 15, 2026 | $317.57 | $325.66 | $317.57 | $322.23 | +2.23% | 384,011 |
| Jan 14, 2026 | $312.00 | $315.94 | $310.00 | $315.19 | +1.40% | 230,857 |
| Jan 13, 2026 | $310.71 | $313.56 | $309.32 | $310.84 | -0.46% | 241,040 |
| Jan 12, 2026 | $305.50 | $313.24 | $303.76 | $312.29 | +1.38% | 373,835 |
| Jan 9, 2026 | $306.39 | $309.35 | $305.50 | $308.03 | +0.23% | 336,209 |
| Jan 8, 2026 | $306.45 | $311.51 | $305.34 | $307.31 | -0.13% | 497,191 |
| Jan 7, 2026 | $309.79 | $309.79 | $303.80 | $307.70 | -0.84% | 410,533 |
| Jan 6, 2026 | $303.63 | $310.32 | $300.80 | $310.31 | +2.22% | 324,121 |
| Jan 5, 2026 | $288.93 | $305.63 | $288.93 | $303.57 | +5.10% | 461,648 |
| Jan 2, 2026 | $288.75 | $291.21 | $287.33 | $288.85 | +0.20% | 515,582 |
| Dec 31, 2025 | $289.58 | $291.87 | $287.54 | $288.28 | -0.71% | 414,590 |
| Dec 30, 2025 | $292.00 | $293.35 | $286.32 | $290.35 | -0.59% | 477,879 |
| Dec 29, 2025 | $294.98 | $298.04 | $290.02 | $292.08 | -1.35% | 470,756 |
| Dec 26, 2025 | $291.68 | $299.69 | $291.42 | $296.07 | +1.70% | 323,372 |
| Dec 24, 2025 | $293.03 | $293.74 | $290.88 | $291.13 | -0.40% | 175,210 |
| Dec 23, 2025 | $287.56 | $292.43 | $287.56 | $292.29 | +1.61% | 368,837 |
| Dec 22, 2025 | $280.50 | $287.86 | $279.86 | $287.67 | +3.07% | 484,258 |
| Dec 19, 2025 | $275.91 | $280.52 | $275.38 | $279.09 | +1.55% | 1,097,724 |
| Dec 18, 2025 | $274.83 | $276.99 | $272.35 | $274.83 | +1.22% | 584,846 |
| Dec 17, 2025 | $274.94 | $277.65 | $269.51 | $271.51 | -0.60% | 571,845 |
| Dec 16, 2025 | $275.89 | $275.95 | $270.00 | $273.15 | -0.81% | 296,876 |
| Dec 15, 2025 | $281.89 | $281.89 | $273.34 | $275.37 | -0.74% | 348,405 |
| Dec 12, 2025 | $281.98 | $281.98 | $275.20 | $277.41 | -0.98% | 231,038 |
| Dec 11, 2025 | $279.84 | $283.22 | $277.04 | $280.16 | +0.20% | 666,975 |
| Dec 10, 2025 | $271.77 | $280.71 | $270.00 | $279.60 | +3.15% | 815,647 |
| Dec 9, 2025 | $271.05 | $276.20 | $270.00 | $271.06 | +0.31% | 940,050 |
| Dec 8, 2025 | $273.51 | $275.61 | $267.26 | $270.21 | -1.09% | 232,258 |
| Dec 5, 2025 | $270.80 | $274.16 | $270.45 | $273.19 | +0.55% | 155,305 |
| Dec 4, 2025 | $272.17 | $276.40 | $268.14 | $271.69 | +0.05% | 140,691 |
| Dec 3, 2025 | $266.39 | $272.16 | $266.39 | $271.55 | +2.03% | 200,786 |
| Dec 2, 2025 | $268.58 | $276.24 | $264.01 | $266.16 | -0.53% | 215,010 |
| Dec 1, 2025 | $266.41 | $272.00 | $266.41 | $267.58 | -0.46% | 393,503 |
| Nov 28, 2025 | $264.01 | $270.28 | $264.01 | $268.83 | +0.46% | 116,785 |
| Nov 26, 2025 | $266.24 | $271.48 | $265.39 | $267.60 | +0.56% | 251,350 |
| Nov 25, 2025 | $260.60 | $266.30 | $259.84 | $266.11 | +1.09% | 304,683 |
| Nov 24, 2025 | $257.08 | $263.59 | $256.79 | $263.23 | +2.48% | 272,848 |
| Nov 21, 2025 | $254.43 | $258.82 | $252.00 | $256.87 | +1.56% | 280,001 |
| Nov 20, 2025 | $257.83 | $261.27 | $251.33 | $252.92 | -0.37% | 372,876 |
| Nov 19, 2025 | $250.25 | $254.41 | $248.11 | $253.85 | +1.35% | 414,251 |
| Nov 18, 2025 | $250.17 | $253.20 | $246.11 | $250.46 | -0.31% | 161,414 |
| Nov 17, 2025 | $257.74 | $259.60 | $248.71 | $251.23 | -2.74% | 259,306 |
| Nov 14, 2025 | $257.32 | $259.99 | $254.90 | $258.31 | -0.30% | 308,942 |
| Nov 13, 2025 | $262.09 | $265.59 | $257.35 | $259.10 | -2.15% | 302,749 |
| Nov 12, 2025 | $258.02 | $264.81 | $256.92 | $264.80 | +2.78% | 417,783 |
| Nov 11, 2025 | $259.83 | $260.60 | $256.44 | $257.65 | -0.74% | 512,137 |
| Nov 10, 2025 | $262.00 | $262.68 | $258.05 | $259.57 | +0.12% | 147,872 |
| Nov 7, 2025 | $258.09 | $259.33 | $251.19 | $259.26 | +0.18% | 347,371 |
| Nov 6, 2025 | $256.87 | $261.32 | $254.96 | $258.79 | +0.80% | 280,363 |
| Nov 5, 2025 | $252.43 | $259.47 | $251.49 | $256.74 | +2.11% | 334,779 |
| Nov 4, 2025 | $256.54 | $256.54 | $250.87 | $251.44 | -2.00% | 399,659 |
| Nov 3, 2025 | $247.90 | $256.81 | $242.77 | $256.56 | +7.82% | 698,825 |
| Oct 31, 2025 | $236.96 | $240.91 | $236.32 | $237.96 | +0.54% | 334,983 |
| Oct 30, 2025 | $237.19 | $240.19 | $236.50 | $236.68 | -0.51% | 151,652 |
| Oct 29, 2025 | $238.02 | $240.76 | $235.04 | $237.90 | -1.10% | 172,943 |
| Oct 28, 2025 | $240.53 | $241.82 | $239.03 | $240.55 | -0.60% | 178,036 |
| Oct 27, 2025 | $242.99 | $247.66 | $241.84 | $242.01 | +0.72% | 251,726 |
| Oct 24, 2025 | $238.95 | $243.00 | $237.13 | $240.27 | +0.55% | 191,927 |
| Oct 23, 2025 | $238.79 | $241.60 | $235.98 | $238.95 | +0.86% | 175,465 |
| Oct 22, 2025 | $238.82 | $239.97 | $234.23 | $236.91 | -0.79% | 248,506 |
| Oct 21, 2025 | $240.78 | $245.35 | $237.82 | $238.80 | -1.77% | 276,709 |
| Oct 20, 2025 | $237.69 | $244.33 | $236.59 | $243.10 | – | 283,826 |
Seasonality
AMG 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 | 1.9% | 1.2% | -3.2% | 0.7% | -2.1% | 3.2% | 4.3% | -1.8% | -0.9% | 1.7% | 8.7% | 2.2% |
| Months up | 6 of 10 | 4 of 10 | 4 of 10 | 6 of 10 | 5 of 10 | 6 of 10 | 7 of 10 | 4 of 10 | 4 of 10 | 5 of 10 | 7 of 9 | 4 of 9 |
| 2026 | 8.6% | -2.2% | -9.6% | 6.5% | 2.8% | 11.7% | 8.4% | 0.4% | -0.7% | 4.4% | ||
| 2025 | 1.6% | -9.1% | -1.7% | -1.4% | 6.3% | 11.8% | 6.7% | 7.1% | 6.1% | -0.2% | 13.0% | 7.2% |
| 2024 | -1.7% | 5.0% | 7.1% | -6.8% | 4.2% | -3.9% | 18.8% | -6.3% | 2.3% | 9.1% | -3.3% | -1.4% |
| 2023 | 9.0% | -7.7% | -10.7% | 1.4% | -3.7% | 7.8% | -7.5% | -3.3% | -2.7% | -5.8% | 10.4% | 11.7% |
| 2022 | -11.1% | -5.4% | 1.9% | -10.9% | 6.4% | -12.7% | 8.4% | 0.8% | -12.2% | 11.0% | 29.2% | -1.2% |
| 2021 | 8.3% | 27.0% | 6.5% | 8.1% | 1.8% | -6.0% | 2.7% | 7.4% | -11.2% | 11.1% | 1.3% | -3.3% |
| 2020 | -5.8% | -5.4% | -21.4% | 18.3% | -4.8% | 11.9% | -7.7% | -0.2% | -0.4% | 10.2% | 15.6% | 16.7% |
| 2019 | 7.7% | 4.8% | -2.3% | 3.6% | -24.2% | 9.9% | -6.9% | -10.3% | 8.8% | -4.2% | 7.3% | -0.7% |
| 2018 | -2.7% | -5.0% | 0.1% | -13.0% | -3.2% | -6.6% | 7.6% | -8.5% | -6.4% | -16.9% | -2.0% | -12.3% |
| 2017 | 4.9% | 10.4% | -2.4% | 1.0% | -7.0% | 7.8% | 12.0% | -4.8% | 7.4% | -1.8% | 6.6% | 3.3% |