Skip to main content
Affiliated Managers Group, Inc. (AMG)
NYSE: AMG · Real-Time Price · USD
292.47
+0.90 (0.31%)
At close: Apr 28, 2026, 4:00 PM EDT
292.47
0.00 (0.00%)
After-hours: Apr 28, 2026, 4:10 PM EDT

Affiliated Managers Group Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 2026292.63295.24289.39293.87-0.79%189,815
Apr 27, 2026287.18293.56286.31291.57291.571.44%272,542
Apr 24, 2026287.82291.23283.93287.44287.441.07%277,382
Apr 23, 2026299.16299.88270.35284.39284.39-5.61%692,202
Apr 22, 2026303.10305.46298.89301.30301.300.13%209,435
Apr 21, 2026302.82306.73299.51300.91300.91-0.02%209,532
Apr 20, 2026294.33301.46293.00300.97300.972.03%224,427
Apr 17, 2026302.62308.06291.19294.98294.98-1.48%588,345
Apr 16, 2026301.60304.04295.92299.41299.41-0.58%346,414
Apr 15, 2026305.73306.74299.81301.15301.15-0.68%298,749
Apr 14, 2026293.45305.87293.45303.21303.214.16%362,412
Apr 13, 2026281.44292.64281.44291.10291.102.01%235,494
Apr 10, 2026285.58286.33280.66285.36285.36-0.34%310,048
Apr 9, 2026288.08291.32283.31286.32286.32-0.06%302,355
Apr 8, 2026279.22287.14279.22286.48286.485.98%482,165
Apr 7, 2026265.81272.00264.97270.31270.311.12%348,532
Apr 6, 2026265.01269.68264.01267.31267.310.68%386,009
Apr 2, 2026267.06270.74254.44265.51265.51-2.92%393,750
Apr 1, 2026280.67283.21273.25273.50273.50-1.16%250,318
Mar 31, 2026275.00281.15271.10276.70276.702.53%232,456
Mar 30, 2026272.19275.37268.50269.88269.880.33%312,096
Mar 27, 2026274.94276.50267.98268.98268.98-2.66%303,982
Mar 26, 2026277.25277.27270.08276.34276.34-1.54%417,834
Mar 25, 2026278.40283.38277.54280.66280.661.85%204,882
Mar 24, 2026272.34277.21269.82275.55275.550.10%354,467
Mar 23, 2026285.44286.76274.88275.28275.28-1.04%531,112
Mar 20, 2026278.86280.76274.16278.17278.17-0.18%669,073
Mar 19, 2026275.09282.38273.35278.67278.671.10%476,491
Mar 18, 2026275.45281.06273.84275.65275.65-1.15%362,791
Mar 17, 2026276.97285.30276.97278.86278.862.12%318,072
Mar 16, 2026276.47278.85271.48273.08273.080.42%265,551
Mar 13, 2026273.54276.58270.06271.95271.950.56%218,173
Mar 12, 2026275.99278.86267.23270.43270.43-4.13%397,193
Mar 11, 2026280.14286.32271.57282.08282.080.45%454,526
Mar 10, 2026283.54287.61277.30280.82280.82-0.25%400,991
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