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Affiliated Managers Group, Inc. (AMG)
NYSE: AMG · Real-Time Price · USD
281.53
-4.24 (-1.48%)
At close: Mar 9, 2026, 4:00 PM EDT
281.45
-0.08 (-0.03%)
After-hours: Mar 9, 2026, 4:32 PM EDT

Affiliated Managers Group Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 9, 2026280.39283.20269.94281.53281.53-1.48%457,296
Mar 6, 2026291.30291.30280.96285.77285.77-4.48%302,546
Mar 5, 2026301.00306.10291.25299.18299.18-1.30%365,708
Mar 4, 2026313.26313.26300.85303.13303.13-2.31%505,145
Mar 3, 2026303.60312.36296.45310.30310.30-0.84%322,522
Mar 2, 2026301.33315.89300.62312.92312.922.20%275,023
Feb 27, 2026307.55307.55297.21306.18306.18-2.16%448,438
Feb 26, 2026315.00318.90308.66312.94312.940.10%349,192
Feb 25, 2026305.12312.79301.97312.63312.633.47%364,417
Feb 24, 2026291.29302.44291.06302.14302.143.72%490,460
Feb 23, 2026286.90292.16279.02291.29291.291.25%405,294
Feb 20, 2026319.47319.76285.63287.69287.68-10.72%988,508
Feb 19, 2026327.77330.35320.52322.23322.22-2.58%325,304
Feb 18, 2026323.95334.78321.32330.75330.742.40%420,251
Feb 17, 2026331.95332.85319.35323.01323.00-2.06%469,220
Feb 13, 2026330.38330.38319.32329.79329.780.26%453,318
Feb 12, 2026308.09329.19304.12328.95328.946.77%1,117,025
Feb 11, 2026304.65310.60289.80308.09308.081.41%822,938
Feb 10, 2026304.75308.43299.17303.80303.79-0.27%349,448
Feb 9, 2026304.35309.54304.34304.62304.61-0.29%459,421
Feb 6, 2026306.54313.32300.00305.50305.491.31%358,156
Feb 5, 2026307.32309.00294.15301.55301.54-3.11%473,577
Feb 4, 2026307.55313.17303.58311.24311.230.92%335,825
Feb 3, 2026316.92319.85302.08308.40308.39-2.50%474,031
Feb 2, 2026313.38317.40310.62316.32316.311.03%335,880
Jan 30, 2026310.25315.51309.70313.09313.080.10%501,429
Jan 29, 2026316.06319.46309.53312.77312.76-0.26%292,577
Jan 28, 2026309.45315.09307.44313.58313.571.96%281,623
Jan 27, 2026314.87315.50304.92307.56307.55-1.67%487,850
Jan 26, 2026321.27322.43309.35312.77312.76-2.20%532,308
Jan 23, 2026327.00327.30319.02319.82319.81-2.96%296,535
Jan 22, 2026330.54334.00328.37329.57329.560.49%250,550
Jan 21, 2026321.61331.73321.50327.96327.952.88%455,092
Jan 20, 2026323.48330.00317.10318.78318.77-2.25%477,372
Jan 16, 2026321.22327.53321.22326.12326.111.21%345,511
Jan 15, 2026317.57325.66317.57322.23322.222.23%384,011
Jan 14, 2026312.00315.94310.00315.19315.181.40%230,857
Jan 13, 2026310.71313.56309.32310.84310.83-0.46%241,040
Jan 12, 2026305.50313.24303.76312.29312.281.38%373,835
Jan 9, 2026306.39309.35305.50308.03308.020.23%336,209
Jan 8, 2026306.45311.51305.34307.31307.30-0.13%497,191
Jan 7, 2026309.79309.79303.80307.70307.69-0.84%410,533
Jan 6, 2026303.63310.32300.80310.31310.302.22%324,121
Jan 5, 2026288.93305.63288.93303.57303.565.10%461,648
Jan 2, 2026288.75291.21287.33288.85288.840.20%515,582
Dec 31, 2025289.58291.87287.54288.28288.27-0.71%414,590
Dec 30, 2025292.00293.35286.32290.35290.34-0.59%477,879
Dec 29, 2025294.98298.04290.02292.08292.07-1.35%470,756
Dec 26, 2025291.68299.69291.42296.07296.061.70%323,372
Dec 24, 2025293.03293.74290.88291.13291.12-0.40%175,210
Dec 23, 2025287.56292.43287.56292.29292.281.61%368,837
Dec 22, 2025280.50287.86279.86287.67287.663.07%484,258
Dec 19, 2025275.91280.52275.38279.09279.081.55%1,097,724
Dec 18, 2025274.83276.99272.35274.83274.821.22%584,846
Dec 17, 2025274.94277.65269.51271.51271.50-0.60%571,845
Dec 16, 2025275.89275.95270.00273.15273.14-0.81%296,876
Dec 15, 2025281.89281.89273.34275.37275.36-0.74%348,405
Dec 12, 2025281.98281.98275.20277.41277.40-0.98%231,038
Dec 11, 2025279.84283.22277.04280.16280.150.20%666,975
Dec 10, 2025271.77280.71270.00279.60279.593.15%815,647
Dec 9, 2025271.05276.20270.00271.06271.050.31%940,050
Dec 8, 2025273.51275.61267.26270.21270.20-1.09%232,258
Dec 5, 2025270.80274.16270.45273.19273.180.55%155,305
Dec 4, 2025272.17276.40268.14271.69271.680.05%140,691
Dec 3, 2025266.39272.16266.39271.55271.542.03%200,786
Dec 2, 2025268.58276.24264.01266.16266.15-0.53%215,010
Dec 1, 2025266.41272.00266.41267.58267.57-0.46%393,503
Nov 28, 2025264.01270.28264.01268.83268.820.46%116,785
Nov 26, 2025266.24271.48265.39267.60267.590.56%251,350
Nov 25, 2025260.60266.30259.84266.11266.101.09%304,683
Nov 24, 2025257.08263.59256.79263.23263.222.48%272,848
Nov 21, 2025254.43258.82252.00256.87256.861.56%280,001
Nov 20, 2025257.83261.27251.33252.92252.91-0.37%372,876
Nov 19, 2025250.25254.41248.11253.85253.841.35%414,251
Nov 18, 2025250.17253.20246.11250.46250.45-0.31%161,414
Nov 17, 2025257.74259.60248.71251.23251.22-2.74%259,306
Nov 14, 2025257.32259.99254.90258.31258.30-0.30%308,942
Nov 13, 2025262.09265.59257.35259.10259.09-2.15%302,749
Nov 12, 2025258.02264.81256.92264.80264.782.78%417,783
Nov 11, 2025259.83260.60256.44257.65257.63-0.74%512,137
Nov 10, 2025262.00262.68258.05259.57259.550.12%147,872
Nov 7, 2025258.09259.33251.19259.26259.240.18%347,371
Nov 6, 2025256.87261.32254.96258.79258.770.80%280,363
Nov 5, 2025252.43259.47251.49256.74256.722.11%334,779
Nov 4, 2025256.54256.54250.87251.44251.42-2.00%399,659
Nov 3, 2025247.90256.81242.77256.56256.547.82%698,825
Oct 31, 2025236.96240.91236.32237.96237.940.54%334,983
Oct 30, 2025237.19240.19236.50236.68236.66-0.51%151,652
Oct 29, 2025238.02240.76235.04237.90237.88-1.10%172,943
Oct 28, 2025240.53241.82239.03240.55240.53-0.60%178,036
Oct 27, 2025242.99247.66241.84242.01241.990.72%251,726
Oct 24, 2025238.95243.00237.13240.27240.250.55%191,927
Oct 23, 2025238.79241.60235.98238.95238.930.86%175,465
Oct 22, 2025238.82239.97234.23236.91236.89-0.79%248,506
Oct 21, 2025240.78245.35237.82238.80238.78-1.77%276,709
Oct 20, 2025237.69244.33236.59243.10243.083.18%283,826
Oct 17, 2025233.45236.68231.53235.60235.580.75%171,022
Oct 16, 2025240.28242.73232.19233.85233.83-2.06%204,245
Oct 15, 2025241.59242.50236.49238.78238.76-0.15%140,413
Oct 14, 2025235.05243.65235.05239.13239.111.01%252,469