AMGAffiliated Managers Group, Inc.

$383.21+64% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though in an uptrend.

1 good, 1 neutral, 1 without data
TrendUptrendderived · Oct 23, 2026

In an uptrend, above its rising 50- and 200-day averages. Price is +16% vs its 200-day average.

Short interest3.7% of sharesFINRA · Sep 30, 2026

Moderately shorted, settled Sep 30, 2026, about a week of normal trading to cover. Down 2.9% since the previous count, down from 3.8% of shares outstanding three months ago.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

1-year returnbetter than 88% of the market
vs 200-day avgbetter than 82% of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How AMG is trading

Affiliated Managers Group, Inc. is +64% over the past year while the S&P 500 is +16%: 48 points ahead of the market.

+64%

1-year return · S&P 500 +16%

vs 200-day average
+16%

vs 200-day average · a clear uptrend

RSI (14)
52

RSI (14) · neutral

Below its 52-week high
3.2%

Below its 52-week high

Oct 15, 2024$143.32 – $395.78 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$383.21
1 monthS&P 500 −0.94%
+3.4%
1 yearS&P 500 +16%
+64%
5 yearsS&P 500 +86%
+156%
vs 50-day average$368.97
+3.9%
52-week high
$395.78
52-week low
$235.58
Annualised volatility
31%
Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
$6.6M
Calendar-year price return
YearReturn
2026 (year to date)+33%
2025+56%
2024+22%
2023−4.4%
2022−3.7%
2021+62%
2020+21%
2019−12%
2018−52%
2017+42%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+1.9%
Feb104 of 10+1.2%
Mar104 of 10−3.2%
Apr106 of 10+0.67%
May105 of 10−2.1%
Jun106 of 10+3.2%
Jul118 of 11+4.3%
Aug113 of 11−2.0%
Sep115 of 11−0.66%
Oct115 of 11+0.83%
Nov108 of 10+9.0%
Dec104 of 10+1.8%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.

Where the price stands

Its trend against the 50-day and 200-day averages, and the levels it keeps coming back to.

What it has returned

With dividends, year by year, month by month, and by calendar month on average.