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Affiliated Managers Group, Inc. (MGR) stock

MGRNYSEInvestment AdviceFiscal year ends December 31Also trades as AMG, MGRB, MGRD, MGRE
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 15/307% below fair value
$18.70+0.15 (+0.81%)

Close on Oct 30, 2026Market cap $503.03MP/E 0.7Yield 0.21%

Price history

Affiliated Managers share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$18.70
+0.81% on the day
52-week range
$18.34 – $22.02
-15.1% from the high
Change over 52 weeks
-13.6%
From $21.65 on Oct 30, 2025
Average volume
32,702
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$18.79$18.85$18.39$18.70+0.32%159,776
Oct 19, 2026$18.56$18.89$18.34$18.64+0.54%157,655
Oct 12, 2026$18.72$18.98$18.47$18.54-1.44%176,881
Oct 5, 2026$19.28$19.30$18.49$18.81-1.78%153,951
Sep 28, 2026$19.59$19.84$18.87$19.15-2.59%187,494
Sep 21, 2026$19.99$20.17$19.28$19.66+0.61%220,674
Sep 14, 2026$19.73$19.90$19.31$19.54-1.46%165,446
Sep 8, 2026$19.65$19.99$19.55$19.83+0.92%160,209
Aug 31, 2026$19.55$19.82$19.24$19.65+0.51%339,530
Aug 24, 2026$19.69$19.89$19.49$19.55-0.61%113,098
Aug 17, 2026$20.00$20.19$19.59$19.67-1.65%121,664
Aug 10, 2026$20.15$20.22$19.89$20.00-0.45%101,629
Aug 3, 2026$20.19$20.28$20.01$20.09-0.40%67,430
Jul 27, 2026$20.29$20.33$20.08$20.17+0.10%100,123
Jul 20, 2026$20.56$20.66$20.05$20.15-1.99%83,886
Jul 13, 2026$20.00$20.72$20.00$20.56+2.14%189,724
Jul 6, 2026$19.79$20.15$19.79$20.13+1.26%187,367
Jun 29, 2026$19.72$19.95$19.49$19.88-0.55%184,697
Jun 22, 2026$20.25$20.33$19.92$19.99-1.62%154,902
Jun 15, 2026$20.01$20.33$19.98$20.32+1.80%214,158
Jun 8, 2026$19.85$20.08$19.72$19.96+0.40%105,830
Jun 1, 2026$20.01$20.21$19.80$19.88-0.75%183,546
May 26, 2026$20.26$20.49$19.94$20.03-1.14%152,346
May 18, 2026$20.51$20.58$20.25$20.26-1.22%94,181
May 11, 2026$20.70$20.84$20.51$20.51-0.87%70,970
May 4, 2026$20.45$20.73$20.34$20.69+1.37%88,703
Apr 27, 2026$20.32$20.42$20.07$20.41+0.94%92,553
Apr 20, 2026$20.44$20.47$20.16$20.22-0.69%68,639
Apr 13, 2026$19.98$20.60$19.90$20.36+1.90%79,259
Apr 6, 2026$19.67$20.07$19.65$19.98+1.52%87,316
Mar 30, 2026$19.89$20.03$19.46$19.68-0.15%159,543
Mar 23, 2026$20.34$20.54$19.62$19.71-2.62%87,142
Mar 16, 2026$20.88$21.06$20.24$20.24-2.65%95,677
Mar 9, 2026$20.70$20.87$20.41$20.79+0.36%150,939
Mar 2, 2026$21.01$21.30$20.71$20.72-2.10%109,042
Feb 23, 2026$21.44$21.50$21.03$21.16-1.31%113,516
Feb 17, 2026$21.41$21.64$21.35$21.44+0.14%102,700
Feb 9, 2026$21.32$21.47$21.28$21.41-0.19%101,414
Feb 2, 2026$21.59$21.67$21.12$21.45-0.23%92,393
Jan 26, 2026$21.70$21.77$21.41$21.50-0.78%69,764
Jan 20, 2026$21.39$21.70$21.31$21.67+0.56%75,769
Jan 12, 2026$21.45$21.59$21.22$21.55+0.47%119,376
Jan 5, 2026$21.25$21.51$21.14$21.45+1.27%93,024
Dec 29, 2025$21.18$21.29$20.96$21.18-1.40%144,736
Dec 22, 2025$21.58$21.58$21.30$21.48-0.05%105,851
Dec 15, 2025$21.39$21.60$21.27$21.49+0.89%162,895
Dec 8, 2025$20.90$21.44$20.86$21.30+1.87%287,713
Dec 1, 2025$21.56$21.60$20.75$20.91-3.01%144,735
Nov 24, 2025$21.25$21.56$21.25$21.56+1.51%55,396
Nov 17, 2025$21.59$21.65$21.03$21.24-1.44%90,393
Nov 10, 2025$21.81$22.02$21.33$21.55-0.55%99,108
Nov 3, 2025$21.64$21.76$21.35$21.67+0.70%132,390

Seasonality

MGR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.3%-1.6%-2.2%1.3%-0.2%0.7%2.7%-1.6%1.0%-2.4%1.2%0.3%
Months up6 of 93 of 93 of 106 of 106 of 109 of 1010 of 103 of 94 of 92 of 94 of 84 of 8
20262.3%-1.6%-5.7%3.1%-0.9%0.3%2.2%-3.8%0.3%-2.0%
20255.1%-2.0%-4.3%-2.6%-1.9%1.4%4.6%1.3%5.0%-3.3%0.2%-0.9%
20244.3%3.3%-0.9%-6.7%1.0%1.7%0.2%5.9%7.1%-1.2%-4.3%-5.2%
202321.8%-8.0%1.1%9.6%-11.6%0.3%5.2%-6.5%-0.8%-6.5%8.0%7.0%
2022-1.4%-0.6%-4.1%-2.4%3.5%-4.1%6.1%-7.8%-0.0%-9.9%10.9%-7.8%
2021-1.8%-2.1%4.1%0.7%0.1%2.2%0.6%-2.4%-0.6%2.8%-4.5%3.9%
20201.3%-5.6%-8.8%8.7%6.8%0.9%3.7%-1.3%0.3%-1.3%2.2%2.7%
2019-3.5%3.0%1.3%1.5%3.2%1.3%-0.9%1.8%-1.4%2.9%
20170.6%1.4%-0.9%-0.9%0.1%0.3%0.3%
2016-2.9%0.8%0.6%0.2%-0.5%2.0%0.4%-0.8%-1.2%-2.1%-1.8%-0.1%