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Affiliated Managers Group (AMG) Stock Chart & Stock Price History

Affiliated Managers Group logo
$347.82 -2.16 (-0.62%)
Closing price 09/15/2026 03:59 PM Eastern
Extended Trading
$352.50 +4.68 (+1.34%)
As of 07:37 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Affiliated Managers Group Stock Price Performance

The Affiliated Managers Group (AMG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 48.22%, with a year-to-date return of 20.53%. In the past month, the stock has decreased 6.97%, reflecting recent market activity.

As of the latest close, Affiliated Managers Group traded at $347.83 with a market cap of $8.99 billion and volume of 236,229 shares. Five years ago, the stock traded at $159.72, representing a 117.77% increase over that period. At the time, it had a market cap of $6.58 billion and a volume of 128,260 shares.

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5 Day
Performance
-2.18%
1 Month
Performance
-6.97%
3 Month
Performance
-2.70%
Year-To-Date
Performance
+20.53%
1 Year
Performance
+48.22%
5 Year
Performance
+117.77%

AMG Stock Chart for Wednesday, September, 16, 2026

Affiliated Managers Group Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/15/2026$349.75$347.83
-0.55%
$354.47$344.60236,229 shs$8.99 billion
09/14/2026$355.56$349.75
-1.63%
$357.43$342.55219,052 shs$9.04 billion
09/11/2026$354.35$355.56
+0.34%
$360.43$352.59184,104 shs$9.19 billion
09/10/2026$356.73$354.35
-0.67%
$358.75$350.99219,882 shs$9.16 billion
09/09/2026$359.82$356.73
-0.86%
$359.81$354.11249,671 shs$9.23 billion
09/08/2026$370.83$359.82
-2.97%
$370.00$359.49281,756 shs$9.31 billion
09/07/2026$370.83$370.83$371.80$361.40239,366 shs$9.59 billion
09/04/2026$363.40$370.83
+2.04%
$371.80$361.40239,366 shs$9.59 billion
09/03/2026$358.21$363.40
+1.45%
$368.35$358.00447,479 shs$9.40 billion
09/02/2026$360.52$358.21
-0.64%
$374.09$354.73416,847 shs$9.26 billion
09/01/2026$368.63$360.52
-2.20%
$372.80$360.26216,470 shs$9.32 billion
08/31/2026$371.22$368.63
-0.70%
$375.61$367.97307,247 shs$9.53 billion
08/28/2026$370.21$371.22
+0.27%
$376.75$368.70164,204 shs$9.60 billion
08/27/2026$371.40$370.21
-0.32%
$374.92$367.55284,597 shs$9.57 billion
08/26/2026$365.88$371.40
+1.51%
$373.73$363.33195,642 shs$9.60 billion
08/25/2026$359.08$365.88
+1.89%
$367.10$358.18164,533 shs$9.46 billion
08/24/2026$356.08$359.08
+0.84%
$364.95$351.77257,141 shs$9.29 billion
08/21/2026$353.02$356.08
+0.87%
$367.35$355.55277,213 shs$9.21 billion
08/20/2026$355.68$353.02
-0.75%
$358.04$350.76267,404 shs$9.13 billion
08/19/2026$364.92$355.68
-2.53%
$367.86$355.18366,242 shs$9.20 billion
08/18/2026$370.93$364.92
-1.62%
$370.21$360.78377,726 shs$9.44 billion
08/17/2026$373.90$370.93
-0.80%
$375.99$368.23240,353 shs$9.59 billion

This page (NYSE:AMG) was last updated on 9/15/2026 by MarketBeat.com Staff.
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