NYSE:AMG | Historical Stock Price | AFFILIATED MANAGERS GROUP, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1997-11-21 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$9.50$20.20$42.96$91.36$194.27$413.131997-11-212026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2001

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2001-12-31$46.99$46.99219,000
2001-12-28$46.58$46.58396,750
2001-12-27$46.05$46.05307,950
2001-12-26$46.28$46.2898,250
2001-12-24$46.23$46.2345,450
2001-12-21$46.27$46.27497,400
2001-12-20$46.53$46.53299,250
2001-12-19$46.69$46.69441,300
2001-12-18$46.79$46.792,006,550
2001-12-17$48.73$48.73422,550
2001-12-14$47.44$47.44208,200
2001-12-13$48.00$48.00196,800
2001-12-12$47.73$47.73183,450
2001-12-11$47.20$47.20218,250
2001-12-10$47.53$47.53242,850
2001-12-07$48.89$48.89509,700
2001-12-06$48.17$48.17436,500
2001-12-05$47.33$47.33340,950
2001-12-04$45.33$45.33231,300
2001-12-03$44.43$44.43320,250
2001-11-30$45.23$45.23218,100
2001-11-29$46.11$46.11289,200
2001-11-28$44.57$44.57434,850
2001-11-27$45.90$45.90214,650
2001-11-26$46.88$46.88510,150
2001-11-23$46.10$46.1060,150
2001-11-21$45.62$45.62259,650
2001-11-20$45.27$45.27261,150
2001-11-19$45.86$45.86305,400
2001-11-16$45.33$45.33258,450
2001-11-15$46.18$46.18468,300
2001-11-14$46.53$46.53735,900
2001-11-13$45.00$45.00573,300
2001-11-12$43.97$43.97377,100
2001-11-09$44.00$44.00193,950
2001-11-08$44.57$44.57293,250
2001-11-07$44.40$44.40309,000
2001-11-06$44.23$44.23225,300
2001-11-05$43.27$43.27165,300
2001-11-02$42.93$42.93256,200
2001-11-01$41.69$41.69340,800
2001-10-31$41.13$41.13215,250
2001-10-30$41.65$41.65204,600
2001-10-29$42.15$42.15227,100
2001-10-26$43.01$43.01695,700
2001-10-25$44.17$44.17370,050
2001-10-24$42.80$42.80237,750
2001-10-23$42.22$42.22205,800
2001-10-22$42.60$42.60236,850
2001-10-19$41.33$41.33276,150
2001-10-18$41.50$41.50268,200
2001-10-17$41.73$41.73355,350
2001-10-16$42.80$42.80308,700
2001-10-15$41.94$41.94403,950
2001-10-12$42.43$42.43382,200
2001-10-11$43.17$43.17417,900
2001-10-10$41.65$41.65225,300
2001-10-09$40.33$40.33296,100
2001-10-08$38.70$38.70354,750
2001-10-05$39.83$39.83259,500
2001-10-04$40.81$40.81459,300
2001-10-03$41.33$41.33795,450
2001-10-02$38.05$38.05264,900
2001-10-01$37.86$37.86377,550
2001-09-28$37.87$37.87700,200
2001-09-27$37.39$37.39845,700
2001-09-26$39.00$39.00349,650
2001-09-25$39.39$39.39492,600
2001-09-24$40.33$40.33435,900
2001-09-21$37.40$37.40625,050
2001-09-20$36.67$36.67919,500
2001-09-19$38.67$38.671,114,500
2001-09-18$41.23$41.23233,550
2001-09-17$41.01$41.01774,900
2001-09-10$44.28$44.28604,800
2001-09-07$44.44$44.44540,300
2001-09-06$45.00$45.00483,750
2001-09-05$46.23$46.23309,450
2001-09-04$46.47$46.47384,300
2001-08-31$47.27$47.27943,350
2001-08-30$47.93$47.93712,800
2001-08-29$44.87$44.87382,500
2001-08-28$44.09$44.09168,600
2001-08-27$45.33$45.33287,850
2001-08-24$45.83$45.83273,300
2001-08-23$44.59$44.59259,950
2001-08-22$44.83$44.83497,100
2001-08-21$43.17$43.17255,600
2001-08-20$43.10$43.10170,700
2001-08-17$42.73$42.73162,750
2001-08-16$43.75$43.75190,050
2001-08-15$43.83$43.83218,400
2001-08-14$44.41$44.41330,600
2001-08-13$43.93$43.93327,300
2001-08-10$42.84$42.84415,650
2001-08-09$43.53$43.53237,450
2001-08-08$43.90$43.90213,450
2001-08-07$44.84$44.8476,650
2001-08-06$44.67$44.67159,150
2001-08-03$45.67$45.67165,750
2001-08-02$45.43$45.43191,100
2001-08-01$45.67$45.67529,350
2001-07-31$45.16$45.16560,400
2001-07-30$44.20$44.20552,150
2001-07-27$45.32$45.321,399,650
2001-07-26$41.94$41.94443,400
2001-07-25$39.00$39.00449,250
2001-07-24$38.73$38.73336,000
2001-07-23$39.47$39.47201,600
2001-07-20$38.89$38.89113,250
2001-07-19$38.07$38.07156,300
2001-07-18$38.93$38.9384,000
2001-07-17$39.12$39.12254,400
2001-07-16$38.73$38.73192,900
2001-07-13$39.60$39.60189,600
2001-07-12$39.13$39.13171,450
2001-07-11$38.33$38.33307,950
2001-07-10$38.47$38.47399,600
2001-07-09$39.53$39.53244,350
2001-07-06$40.27$40.27159,450
2001-07-05$41.57$41.57139,500
2001-07-03$41.33$41.33115,200
2001-07-02$41.23$41.23271,350
2001-06-29$41.00$41.00547,050
2001-06-28$42.60$42.60301,200
2001-06-27$42.00$42.0088,500
2001-06-26$42.09$42.09444,000
2001-06-25$41.46$41.46195,300
2001-06-22$42.12$42.12244,650
2001-06-21$41.79$41.79291,600
2001-06-20$41.99$41.99292,200
2001-06-19$41.03$41.03201,300
2001-06-18$40.67$40.67266,100
2001-06-15$42.13$42.13291,150
2001-06-14$40.96$40.96368,250
2001-06-13$42.13$42.13187,350
2001-06-12$42.21$42.21412,650
2001-06-11$41.21$41.21271,800
2001-06-08$42.01$42.01322,950
2001-06-07$41.11$41.11503,400
2001-06-06$39.85$39.85141,450
2001-06-05$40.34$40.34246,600
2001-06-04$39.48$39.48146,550
2001-06-01$38.67$38.67321,150
2001-05-31$37.35$37.35224,700
2001-05-30$37.80$37.80220,500
2001-05-29$38.27$38.27266,100
2001-05-25$39.50$39.50153,450
2001-05-24$38.95$38.95203,250
2001-05-23$38.41$38.41134,700
2001-05-22$39.07$39.07239,850
2001-05-21$38.51$38.51251,100
2001-05-18$38.37$38.37310,650
2001-05-17$38.97$38.97225,000
2001-05-16$38.33$38.33602,400
2001-05-15$37.36$37.36174,450
2001-05-14$36.67$36.67178,950
2001-05-11$36.98$36.9897,950
2001-05-10$37.69$37.69203,700
2001-05-09$37.53$37.53367,350
2001-05-08$37.57$37.57625,050
2001-05-07$37.01$37.01575,850
2001-05-04$36.59$36.59800,250
2001-05-03$36.03$36.03782,100
2001-05-02$35.73$35.731,044,150
2001-05-01$37.09$37.09266,550
2001-04-30$37.48$37.48196,800
2001-04-27$36.89$36.89289,050
2001-04-26$36.87$36.87229,200
2001-04-25$34.66$34.66281,100
2001-04-24$33.33$33.33421,500
2001-04-23$33.91$33.9182,350
2001-04-20$34.41$34.41136,800
2001-04-19$34.47$34.47160,350
2001-04-18$34.63$34.63377,700
2001-04-17$32.53$32.53145,800
2001-04-16$31.87$31.87249,600
2001-04-12$32.81$32.81220,800
2001-04-11$32.81$32.81270,000
2001-04-10$32.23$32.23479,850
2001-04-09$30.99$30.99257,550
2001-04-06$30.70$30.70209,250
2001-04-05$31.47$31.47474,900
2001-04-04$29.20$29.20281,550
2001-04-03$29.07$29.07121,650
2001-04-02$30.67$30.67281,850
2001-03-30$31.33$31.33172,050
2001-03-29$30.83$30.83395,250
2001-03-28$31.47$31.47296,400
2001-03-27$32.30$32.30320,550
2001-03-26$31.33$31.33169,350
2001-03-23$30.53$30.53368,250
2001-03-22$29.33$29.33589,650
2001-03-21$29.64$29.64444,300
2001-03-20$31.57$31.57330,600
2001-03-19$32.83$32.83323,400
2001-03-16$32.28$32.28124,650
2001-03-15$33.14$33.14261,000
2001-03-14$32.47$32.47183,300
2001-03-13$32.77$32.77344,550
2001-03-12$33.53$33.53211,500
2001-03-09$34.83$34.83195,900
2001-03-08$35.27$35.27211,950
2001-03-07$36.39$36.39175,800
2001-03-06$36.10$36.10221,550
2001-03-05$34.53$34.53148,800
2001-03-02$35.33$35.33202,800
2001-03-01$34.42$34.42404,550
2001-02-28$34.33$34.33257,850
2001-02-27$35.93$35.93164,850
2001-02-26$36.83$36.83715,200
2001-02-23$35.19$35.19350,700
2001-02-22$34.27$34.27293,550
2001-02-21$34.30$34.30377,850
2001-02-20$34.00$34.00275,550
2001-02-16$34.37$34.37342,900
2001-02-15$35.13$35.13254,700
2001-02-14$35.77$35.77145,650
2001-02-13$36.20$36.20308,850
2001-02-12$36.03$36.03129,750
2001-02-09$35.43$35.43251,100
2001-02-08$35.97$35.97166,650
2001-02-07$37.43$37.43143,100
2001-02-06$36.97$36.97102,300
2001-02-05$37.16$37.16260,700
2001-02-02$37.60$37.60180,600
2001-02-01$40.20$40.20222,750
2001-01-31$41.00$41.00343,500
2001-01-30$41.20$41.20200,250
2001-01-29$39.33$39.33218,100
2001-01-26$38.42$38.42257,250
2001-01-25$39.25$39.25486,750
2001-01-24$41.33$41.33271,650
2001-01-23$40.83$40.83163,200
2001-01-22$39.17$39.17165,450
2001-01-19$38.13$38.12112,950
2001-01-18$38.92$38.92209,550
2001-01-17$38.63$38.63213,900
2001-01-16$37.25$37.25280,050
2001-01-12$37.29$37.2994,500
2001-01-11$37.38$37.37186,600
2001-01-10$35.83$35.83258,900
2001-01-09$36.17$36.17200,100
2001-01-08$37.17$37.17221,700
2001-01-05$37.58$37.58372,600
2001-01-04$38.67$38.67325,200
2001-01-03$38.67$38.67429,900
2001-01-02$33.46$33.46219,600