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Affiliated Managers Group, Inc. logo

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 trading day, 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
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$18.67$18.77$18.58$18.70+0.81%52,587
Oct 29, 2026$18.39$18.65$18.39$18.55+0.49%24,674
Oct 28, 2026$18.60$18.66$18.46$18.46-0.81%25,444
Oct 27, 2026$18.73$18.85$18.56$18.61-0.43%18,860
Oct 26, 2026$18.79$18.79$18.65$18.69+0.27%38,211
Oct 23, 2026$18.66$18.71$18.48$18.64+0.51%31,146
Oct 22, 2026$18.49$18.75$18.34$18.55+0.46%36,182
Oct 21, 2026$18.52$18.75$18.39$18.46-0.11%35,585
Oct 20, 2026$18.55$18.79$18.47$18.48-0.22%21,340
Oct 19, 2026$18.56$18.89$18.51$18.52-0.11%33,402
Oct 16, 2026$18.65$18.93$18.47$18.54-0.48%39,569
Oct 15, 2026$18.77$18.89$18.61$18.63+0.43%18,580
Oct 14, 2026$18.56$18.80$18.48$18.55-1.33%59,250
Oct 13, 2026$18.97$18.97$18.56$18.80+0.05%20,953
Oct 12, 2026$18.72$18.98$18.64$18.79-0.11%38,529
Oct 9, 2026$18.70$18.86$18.52$18.81+0.40%27,896
Oct 8, 2026$18.88$18.88$18.49$18.74+0.03%32,045
Oct 7, 2026$18.67$18.87$18.67$18.73-0.53%24,449
Oct 6, 2026$18.76$19.29$18.76$18.83-1.21%21,966
Oct 5, 2026$19.28$19.30$18.90$19.06-0.47%47,595
Oct 2, 2026$19.41$19.53$19.10$19.15+0.26%49,346
Oct 1, 2026$19.01$19.34$18.87$19.10+0.05%32,494
Sep 30, 2026$19.17$19.38$19.00$19.09-0.93%75,571
Sep 29, 2026$19.35$19.40$19.06$19.27-1.93%11,650
Sep 28, 2026$19.59$19.84$19.51$19.65-0.05%18,433
Sep 25, 2026$19.62$20.17$19.60$19.66-0.30%15,994
Sep 24, 2026$19.45$19.95$19.39$19.72+0.77%48,616
Sep 23, 2026$19.37$19.78$19.28$19.57+0.41%85,280
Sep 22, 2026$19.57$19.76$19.37$19.49-0.97%18,671
Sep 21, 2026$19.99$19.99$19.35$19.68+0.72%52,113

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%