Affiliated Managers Group, Inc. Common Stock (AMG)

Market Cap

$9.92B

Current · Retrieved: Oct 25, 2026 · USD

AMG Market Cap

Current$9.92BretrievedOct 25, 2026

AMG Market Cap ($456.95M → $9.92B · CAGR +11.2%)

Latest values, visible window

High-resolution chart · PNG

AMG market cap history

Daily history. Dates identify market observations.

Affiliated Managers Group, Inc. Common Stock Market Cap — Daily history
Date	Market Cap
Dec 23, 1999	602,277,840
Dec 17, 1999	586,244,681
Dec 10, 1999	548,489,179
Dec 3, 1999	517,198,660
Nov 26, 1999	525,732,438
Nov 19, 1999	553,919,765
Nov 12, 1999	512,802,471
Nov 5, 1999	493,407,522
Oct 29, 1999	461,082,605
Oct 22, 1999	407,293,945
Oct 15, 1999	422,292,706
Oct 8, 1999	450,480,033
Oct 1, 1999	457,979,413
Sep 24, 1999	459,013,811
Sep 17, 1999	439,618,861
Sep 10, 1999	452,548,828
Sep 3, 1999	465,478,794
Aug 27, 1999	467,547,589
Aug 20, 1999	457,979,413
Aug 13, 1999	491,338,727
Aug 6, 1999	492,373,124
Jul 30, 1999	506,337,488
Jul 23, 1999	502,199,899
Jul 16, 1999	506,337,488
Jul 9, 1999	525,732,438
Jul 2, 1999	534,524,815
Jun 25, 1999	499,872,505
Jun 18, 1999	498,838,108
Jun 11, 1999	486,942,538
Jun 4, 1999	496,769,313
May 28, 1999	504,268,694
May 21, 1999	536,593,610
May 14, 1999	529,094,229
May 7, 1999	521,594,849
Apr 30, 1999	501,165,502
Apr 23, 1999	539,955,401
Apr 16, 1999	467,547,589
Apr 9, 1999	444,015,050
Apr 1, 1999	438,584,464
Mar 26, 1999	424,620,100
Mar 19, 1999	445,049,447
Mar 12, 1999	459,013,811
Mar 5, 1999	450,480,033
Feb 26, 1999	448,152,639
Feb 19, 1999	468,840,585
Feb 12, 1999	482,804,949
Feb 5, 1999	498,838,108
Jan 29, 1999	569,952,923
Jan 22, 1999	559,350,351
Jan 15, 1999	551,592,371
Jan 8, 1999	514,095,468
Dec 31, 1998	515,129,865
Dec 24, 1998	515,129,865
Dec 18, 1998	512,802,471
Dec 11, 1998	495,734,916
Dec 4, 1998	502,199,899
Nov 27, 1998	465,478,794
Nov 20, 1998	437,550,066
Nov 13, 1998	452,548,828
Nov 6, 1998	478,408,761
Oct 30, 1998	383,502,806
Oct 23, 1998	372,900,234
Oct 16, 1998	318,852,974
Oct 9, 1998	258,599,330
Oct 2, 1998	245,669,364
Sep 25, 1998	312,387,991
Sep 18, 1998	330,748,543
Sep 11, 1998	261,961,121
Sep 4, 1998	276,959,882
Aug 28, 1998	378,330,820
Aug 21, 1998	418,155,117
Aug 14, 1998	409,362,739
Aug 7, 1998	530,128,627
Jul 31, 1998	563,487,940
Jul 24, 1998	619,603,995
Jul 17, 1998	613,139,011
Jul 10, 1998	560,384,748
Jul 2, 1998	608,742,823
Jun 26, 1998	640,033,342
Jun 19, 1998	628,137,773
Jun 12, 1998	611,070,217
Jun 5, 1998	598,140,250
May 29, 1998	617,535,200
May 22, 1998	621,672,789
May 15, 1998	638,998,944
May 8, 1998	669,255,066
May 1, 1998	667,962,069
Apr 24, 1998	663,824,480
Apr 17, 1998	606,674,028
Apr 9, 1998	595,812,856
Apr 3, 1998	629,172,170
Mar 27, 1998	611,070,217
Mar 20, 1998	613,139,011
Mar 13, 1998	640,033,342
Mar 6, 1998	641,067,739
Feb 27, 1998	637,964,547
Feb 20, 1998	603,312,237
Feb 13, 1998	548,489,179
Feb 6, 1998	559,350,351
Jan 30, 1998	520,560,451