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Affiliated Managers Group, Inc. logo

Affiliated Managers Group, Inc. (MGRB) stock

MGRBNYSEInvestment AdviceFiscal year ends December 31Also trades as AMG, MGR, MGRD, MGRE
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 15/307% below fair value
$15.28+0.05 (+0.33%)

Close on Oct 30, 2026Market cap $411.03MP/E 0.5Yield 0.26%

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
$15.28
+0.33% on the day
52-week range
$15.11 – $17.92
-14.7% from the high
Change over 52 weeks
-13.3%
From $17.62 on Oct 30, 2025
Average volume
24,636
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$15.11$15.59$15.11$15.28+0.33%24,908
Oct 29, 2026$15.19$15.37$15.18$15.23-0.33%113,519
Oct 28, 2026$15.38$15.41$15.21$15.28-0.13%13,862
Oct 27, 2026$15.34$15.47$15.30$15.30-0.71%11,522
Oct 26, 2026$15.21$15.44$15.21$15.41+0.65%131,579
Oct 23, 2026$15.17$15.49$15.16$15.31+0.26%8,967
Oct 22, 2026$15.16$15.35$15.16$15.27+0.20%15,063
Oct 21, 2026$15.20$15.51$15.16$15.24-0.07%25,263
Oct 20, 2026$15.30$15.37$15.15$15.25+0.20%20,412
Oct 19, 2026$15.29$15.60$15.22$15.22-0.59%22,505
Oct 16, 2026$15.23$15.53$15.19$15.31+0.20%38,974
Oct 15, 2026$15.40$15.63$15.28$15.28+0.39%29,971
Oct 14, 2026$15.50$15.50$15.21$15.22-2.37%54,306
Oct 13, 2026$15.46$15.65$15.46$15.59+0.45%14,874
Oct 12, 2026$15.50$15.62$15.35$15.52+0.03%18,768
Oct 9, 2026$15.60$15.60$15.30$15.52+0.26%22,325
Oct 8, 2026$15.38$15.60$15.21$15.48-0.10%32,247
Oct 7, 2026$15.72$15.72$15.49$15.49-1.40%13,789
Oct 6, 2026$15.96$15.96$15.63$15.71-1.26%14,919
Oct 5, 2026$15.73$15.93$15.67$15.91+1.02%21,696
Oct 2, 2026$15.93$15.99$15.73$15.75-0.76%12,656
Oct 1, 2026$15.99$15.99$15.73$15.87-0.75%24,824
Sep 30, 2026$15.86$16.09$15.73$15.99+0.50%32,104
Sep 29, 2026$16.10$16.10$15.90$15.91-2.39%22,781
Sep 28, 2026$16.34$16.34$16.07$16.30-0.24%21,469
Sep 25, 2026$16.27$16.34$16.09$16.34+0.70%13,983
Sep 24, 2026$16.02$16.35$16.02$16.23+0.66%15,459
Sep 23, 2026$16.11$16.12$16.01$16.12-0.28%24,363
Sep 22, 2026$16.23$16.23$16.05$16.17+0.03%7,409
Sep 21, 2026$16.23$16.24$16.00$16.16+0.06%46,651

Seasonality

MGRB return in each calendar month over the last 7 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.2%-2.0%-3.0%-0.4%0.0%-0.1%3.4%-1.7%-0.4%-2.4%2.3%0.4%
Months up4 of 62 of 61 of 63 of 64 of 62 of 66 of 62 of 63 of 61 of 74 of 63 of 6
20262.9%0.5%-6.8%2.9%1.7%-2.0%3.6%-4.5%1.8%-4.4%
20252.6%0.0%-4.4%-3.5%-3.4%5.4%2.9%4.4%0.7%-2.8%-0.6%-0.9%
20241.1%2.2%-0.4%-3.6%1.6%1.9%1.0%2.8%3.5%-1.4%0.2%-6.4%
202318.9%-1.3%-7.4%11.0%-8.6%-1.0%4.2%-4.2%-5.4%-0.8%5.8%11.5%
2022-5.5%-9.1%-1.5%-10.3%7.1%-4.9%6.0%-7.5%-2.4%-8.2%10.1%-9.1%
2021-0.7%-4.6%2.5%1.3%1.6%-0.3%2.8%-1.3%-0.4%-0.2%-2.7%5.6%
20201.4%0.9%1.8%