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 — 2020

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2020-12-31$101.70$104.92245,700——
2020-12-30$100.94$104.13236,500——
2020-12-29$100.56$103.74258,300——
2020-12-28$101.57$104.78207,500——
2020-12-24$101.74$104.9696,600——
2020-12-23$101.60$104.81274,600——
2020-12-22$99.41$102.55244,800——
2020-12-21$101.22$104.42468,400——
2020-12-18$100.20$103.37836,500——
2020-12-17$100.07$103.24273,500——
2020-12-16$99.20$102.34269,200——
2020-12-15$98.27$101.38241,700——
2020-12-14$96.40$99.45400,000——
2020-12-11$97.18$100.25308,700——
2020-12-10$98.31$101.42448,500——
2020-12-09$98.32$101.43488,700——
2020-12-08$97.68$100.77366,400——
2020-12-07$95.50$98.52246,000——
2020-12-04$95.32$98.33298,100——
2020-12-03$93.25$96.20508,900——
2020-12-02$90.06$92.91359,900——
2020-12-01$88.74$91.55499,200——
2020-11-30$87.12$89.88580,900——
2020-11-27$91.13$94.01209,300——
2020-11-25$90.79$93.66215,600——
2020-11-24$91.40$94.29395,500——
2020-11-23$86.97$89.72281,400——
2020-11-20$85.08$87.77334,600——
2020-11-19$85.68$88.39299,300——
2020-11-18$86.64$89.38407,600——
2020-11-17$88.95$91.76776,600——
2020-11-16$88.80$91.61349,300——
2020-11-13$86.57$89.31389,800——
2020-11-12$84.55$87.22445,100——
2020-11-11$85.08$87.77356,600——
2020-11-10$85.50$88.20388,600——
2020-11-09$83.91$86.56431,400——
2020-11-06$79.44$81.95251,200——
2020-11-05$81.09$83.65407,800——
2020-11-04$77.92$80.38283,300——
2020-11-03$78.71$81.19277,700——
2020-11-02$76.51$78.92324,700——
2020-10-30$75.37$77.74464,100——
2020-10-29$74.51$76.86593,800——
2020-10-28$74.11$76.44383,500——
2020-10-27$76.89$79.31469,000——
2020-10-26$78.77$81.25542,300——
2020-10-23$79.40$81.90327,600——
2020-10-22$79.05$81.54473,400——
2020-10-21$78.28$80.75481,100——
2020-10-20$78.95$81.44482,500——
2020-10-19$77.48$79.92651,900——
2020-10-16$78.32$80.79356,900——
2020-10-15$79.88$82.40399,300——
2020-10-14$78.32$80.79403,700——
2020-10-13$76.82$79.24335,700——
2020-10-12$76.99$79.42222,900——
2020-10-09$76.41$78.82298,100——
2020-10-08$76.25$78.65473,300——
2020-10-07$73.02$75.32347,900——
2020-10-06$71.61$73.87375,600——
2020-10-05$71.14$73.38212,800——
2020-10-02$69.10$71.28751,000——
2020-10-01$67.47$69.60314,600——
2020-09-30$68.38$70.53418,400——
2020-09-29$68.01$70.15275,300——
2020-09-28$68.05$70.19352,500——
2020-09-25$64.73$66.77261,900——
2020-09-24$63.68$65.69452,300——
2020-09-23$63.38$65.38352,500——
2020-09-22$64.74$66.78508,100——
2020-09-21$65.15$67.20461,400——
2020-09-18$67.74$69.87710,700——
2020-09-17$68.69$70.85572,800——
2020-09-16$67.79$69.93605,200——
2020-09-15$65.29$67.35421,600——
2020-09-14$65.97$68.05415,100——
2020-09-11$66.52$68.62374,200——
2020-09-10$65.98$68.06634,600——
2020-09-09$68.52$70.68418,300——
2020-09-08$68.14$70.29475,800——
2020-09-04$70.81$73.04432,600——
2020-09-03$70.73$72.96416,100——
2020-09-02$71.06$73.30594,100——
2020-09-01$68.20$70.35471,400——
2020-08-31$68.65$70.81461,600——
2020-08-28$70.60$72.82246,100——
2020-08-27$71.11$73.35251,000——
2020-08-26$70.31$72.52173,500——
2020-08-25$71.03$73.27237,900——
2020-08-24$71.00$73.24328,200——
2020-08-21$68.59$70.75314,700——
2020-08-20$69.50$71.69355,000——
2020-08-19$71.59$73.84312,500——
2020-08-18$72.73$75.02290,600——
2020-08-17$72.58$74.87296,700——
2020-08-14$72.94$75.24196,100——
2020-08-13$72.35$74.63171,000——
2020-08-12$73.08$75.38317,900——
2020-08-11$74.11$76.44305,700——
2020-08-10$73.25$75.56271,100——
2020-08-07$72.14$74.41268,100——
2020-08-06$69.94$72.14272,500——
2020-08-05$70.73$72.96343,800——
2020-08-04$68.11$70.25299,300——
2020-08-03$68.29$70.43349,400——
2020-07-31$68.79$70.95391,300——
2020-07-30$68.42$70.56241,700——
2020-07-29$69.71$71.90311,000——
2020-07-28$69.63$71.81673,100——
2020-07-27$71.52$73.76687,300——
2020-07-24$70.23$72.43470,300——
2020-07-23$72.30$74.57212,400——
2020-07-22$71.99$74.25347,000——
2020-07-21$73.15$75.44407,800——
2020-07-20$69.97$72.16283,700——
2020-07-17$71.00$73.23270,100——
2020-07-16$72.07$74.33233,300——
2020-07-15$72.93$75.22271,900——
2020-07-14$70.42$72.63560,800——
2020-07-13$72.37$74.64240,900——
2020-07-10$72.16$74.42401,400——
2020-07-09$69.09$71.26487,800——
2020-07-08$72.90$75.19536,400——
2020-07-07$72.52$74.79375,500——
2020-07-06$74.19$76.52354,400——
2020-07-02$72.82$75.10380,000——
2020-07-01$71.25$73.48467,600——
2020-06-30$74.56$76.90483,100——
2020-06-29$72.35$74.62347,800——
2020-06-26$71.35$73.59577,300——
2020-06-25$74.92$77.27317,500——
2020-06-24$73.03$75.32504,300——
2020-06-23$75.01$77.36299,800——
2020-06-22$74.86$77.21329,900——
2020-06-19$75.23$77.59892,200——
2020-06-18$74.71$77.05349,700——
2020-06-17$74.35$76.68342,800——
2020-06-16$74.59$76.93360,800——
2020-06-15$73.48$75.78543,200——
2020-06-12$72.80$75.08364,900——
2020-06-11$70.26$72.46521,700——
2020-06-10$76.70$79.10714,000——
2020-06-09$80.97$83.51435,300——
2020-06-08$81.72$84.28458,500——
2020-06-05$78.14$80.59473,400——
2020-06-04$76.40$78.79611,900——
2020-06-03$74.49$76.83544,400——
2020-06-02$69.72$71.91677,200——
2020-06-01$68.28$70.42415,600——
2020-05-29$66.62$68.71587,000——
2020-05-28$68.89$71.05363,400——
2020-05-27$72.45$74.72335,700——
2020-05-26$69.99$72.18450,200——
2020-05-22$64.46$66.48349,400——
2020-05-21$66.67$68.76399,500——
2020-05-20$65.93$68.00257,500——
2020-05-19$65.09$67.13251,900——
2020-05-18$66.60$68.69419,500——
2020-05-15$62.53$64.49473,600——
2020-05-14$62.17$64.12502,400——
2020-05-13$59.82$61.70619,900——
2020-05-12$60.96$62.87492,800——
2020-05-11$66.20$68.28553,300——
2020-05-08$66.28$68.36484,500——
2020-05-07$64.29$66.31313,200——
2020-05-06$62.66$64.62370,700——
2020-05-05$64.91$66.93356,500——
2020-05-04$65.84$67.89536,400——
2020-05-01$64.97$67.00524,400——
2020-04-30$69.96$72.14477,000——
2020-04-29$70.33$72.52369,300——
2020-04-28$68.12$70.24552,600——
2020-04-27$66.72$68.80904,200——
2020-04-24$60.29$62.17471,200——
2020-04-23$60.41$62.29460,000——
2020-04-22$61.25$63.16308,300——
2020-04-21$61.00$62.90374,500——
2020-04-20$61.53$63.45437,700——
2020-04-17$62.95$64.91462,600——
2020-04-16$59.89$61.76380,900——
2020-04-15$59.93$61.80499,500——
2020-04-14$63.25$65.22667,300——
2020-04-13$62.90$64.86525,100——
2020-04-09$66.60$68.681,108,100——
2020-04-08$65.14$67.17506,800——
2020-04-07$62.55$64.50672,600——
2020-04-06$61.64$63.56609,200——
2020-04-03$55.36$57.09418,000——
2020-04-02$56.72$58.49633,600——
2020-04-01$56.15$57.90640,000——
2020-03-31$59.14$60.98605,500——
2020-03-30$60.43$62.31631,700——
2020-03-27$56.36$58.12902,300——
2020-03-26$56.84$58.61573,400——
2020-03-25$51.35$52.95566,000——
2020-03-24$49.59$51.14697,200——
2020-03-23$45.15$46.56761,400——
2020-03-20$48.77$50.291,361,400——
2020-03-19$55.33$57.061,035,100——
2020-03-18$58.93$60.771,796,200——
2020-03-17$59.54$61.401,194,800——
2020-03-16$52.57$54.211,204,000——
2020-03-13$57.17$58.95983,800——
2020-03-12$50.38$51.95982,800——
2020-03-11$61.50$63.421,670,600——
2020-03-10$66.86$68.95742,300——
2020-03-09$62.45$64.40886,300——
2020-03-06$70.49$72.691,018,500——
2020-03-05$70.70$72.901,706,500——
2020-03-04$75.42$77.77813,000——
2020-03-03$73.81$76.11663,500——
2020-03-02$78.36$80.80816,700——
2020-02-28$75.22$77.571,401,800——
2020-02-27$80.28$82.781,680,000——
2020-02-26$81.68$84.23849,800——
2020-02-25$82.33$84.90904,000——
2020-02-24$85.28$87.94683,100——
2020-02-21$88.78$91.55542,400——
2020-02-20$88.10$90.85347,000——
2020-02-19$86.71$89.41473,400——
2020-02-18$83.27$85.87498,300——
2020-02-14$82.90$85.49277,500——
2020-02-13$82.53$85.10302,200——
2020-02-12$83.71$86.32334,100——
2020-02-11$83.01$85.27301,800——
2020-02-10$82.30$84.54366,300——
2020-02-07$81.52$83.74368,200——
2020-02-06$83.23$85.491,092,500——
2020-02-05$84.53$86.83890,100——
2020-02-04$82.07$84.30560,300——
2020-02-03$80.25$82.431,461,100——
2020-01-31$79.85$82.02993,600——
2020-01-30$80.31$82.50593,500——
2020-01-29$79.48$81.64570,400——
2020-01-28$79.18$81.33444,800——
2020-01-27$79.80$81.97733,300——
2020-01-24$82.91$85.17378,800——
2020-01-23$85.47$87.80629,000——
2020-01-22$86.04$88.38609,300——
2020-01-21$85.38$87.70347,000——
2020-01-17$85.64$87.97294,300——
2020-01-16$86.38$88.73301,600——
2020-01-15$84.69$86.99456,500——
2020-01-14$84.78$87.09420,900——
2020-01-13$84.55$86.85400,000——
2020-01-10$82.93$85.19865,800——
2020-01-09$82.93$85.19670,100——
2020-01-08$82.53$84.78541,700——
2020-01-07$82.39$84.63432,000——
2020-01-06$83.33$85.60376,300——
2020-01-03$82.95$85.21551,600——
2020-01-02$83.99$86.28551,100——