Affiliated Managers Group (STU:AFS) Beta: N/A (As of Jul. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:AFS Affiliated Managers Group Inc STU:AFS
60 GF Score
Price €320.00
GF Value €219.89
Valuation Significantly Overvalued
! 7 Warning Signs
View Full Analysis

What is Affiliated Managers Group Beta?

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-21), Affiliated Managers Group's Beta is Not available.

Affiliated Managers Group  (STU:AFS) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)

Affiliated Managers Group Beta Related Terms

Affiliated Managers Group Beta Historical Data

* Premium members only.

The historical data trend for Affiliated Managers Group's Beta can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Affiliated Managers Group Beta Chart

Affiliated Managers Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beta
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Affiliated Managers Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Beta Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00
STU:AFS
60GF Score
Affiliated Managers Group Inc STU:AFS
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Affiliated Managers Group Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Is Affiliated Managers Group (STU:AFS) Overvalued in 2026?

Based on GuruFocus' analysis, Affiliated Managers Group stock appears to be overvalued. The current stock price of €320.00 is trading 45.5% above its estimated GF Value™ of €219.89. GuruFocus considers Affiliated Managers Group to be Significantly Overvalued.

Key valuation signals for STU:AFS:

  • Beta: N/A
  • GF Value™: €219.89 vs. price of €320.00 (45.5% above fair value)
  • GF Score™: 60/100 with 7 warning signs

No single metric tells the full story. See the STU:AFS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Affiliated Managers Group Business Description

Other Exchanges AMG:USA0HAQ:UK
Address 777 South Flagler Drive, West Palm Beach, FL, USA, 33401
Affiliated Managers Group offers investment strategies to investors through its network of affiliates. The firm typically buys a majority interest in small to mid-size boutique asset managers, receiving a fixed percentage of revenue from these firms in return. Affiliates operate independently, with AMG providing strategic, operational, and technology support, as well as global distribution. At the end of December 2025, AMG's affiliate network—which includes firms like Abacus Capital and Pantheon dedicated to private markets (which accounted for 18% of AUM), AQR Capital and Capula Investment Management in liquid alternatives (28%), and Harding Loevner, Tweedy Browne, Parnassus, and Yacktman in equities, multi-asset, and bond strategies (54%)—had $813.3 billion in managed assets.
60GF Score

Get the complete analysis for STU:AFS

Beta is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€320.00
Price
€219.89
GF Value