AB vs AMG

For growth investors, Affiliated Managers Group, Inc.

(AMG) is the stronger pick with 19. 8% revenue growth year-over-year, versus -28. 0% for AllianceBernstein Holding L. P. (AB). Affiliated Managers Group, Inc. (AMG) offers the better valuation at 13. 1x trailing P/E (9. 0x forward), making it the more compelling value choice. Analysts rate AllianceBernstein Holding L. P. (AB) a "Buy" — based on 13 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Affiliated Managers Group, Inc.

(AMG) is the cheapest at 13. 1x versus AllianceBernstein Holding L. P. at 13. 4x. On forward P/E, Affiliated Managers Group, Inc. is actually cheaper at 9. 0x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Affiliated Managers Group, Inc. wins at 0. 23x versus AllianceBernstein Holding L. P. 's 18. 67x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Affiliated Managers Group, Inc.

(AMG) delivered a total return of +71. 7%, compared to +25. 5% for AllianceBernstein Holding L. P. (AB). Over 10 years, the gap is even starker: AB returned +199. 2% versus AMG's +86. 2%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), AllianceBernstein Holding L.

P. (AB) is the lower-risk stock at 0. 60β versus Affiliated Managers Group, Inc. 's 1. 14β — meaning AMG is approximately 90% more volatile than AB relative to the S&P 500.

By revenue growth (latest reported year), Affiliated Managers Group, Inc.

(AMG) is pulling ahead at 19. 8% versus -28. 0% for AllianceBernstein Holding L. P. (AB). On earnings-per-share growth, the picture is similar: Affiliated Managers Group, Inc. grew EPS 50. 3% year-over-year, compared to -19. 9% for AllianceBernstein Holding L. P.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

AllianceBernstein Holding L.

P. (AB) is the more profitable company, earning 90. 1% net margin versus 29. 3% for Affiliated Managers Group, Inc. — meaning it keeps 90. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AB leads at 100. 0% versus 31. 8% for AMG. At the gross margin level — before operating expenses — AB leads at 100. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Affiliated Managers Group, Inc. (AMG) is the more undervalued stock at a PEG of 0. 23x versus AllianceBernstein Holding L. P. 's 18. 67x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Affiliated Managers Group, Inc. (AMG) trades at 9. 0x forward P/E versus 11. 5x for AllianceBernstein Holding L. P. — 2. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AMG: 11. 3% to $331. 50.

In this comparison, AB (8.

8% yield) pays a dividend. AMG does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, AllianceBernstein Holding L.

P. (AB) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 60), 8. 8% yield, +199. 2% 10Y return). Both have compounded well over 10 years (AB: +199. 2%, AMG: +86. 2%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AB is a small-cap deep-value stock; AMG is a small-cap high-growth stock. AB pays a dividend while AMG does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.