Affiliated Managers Group (AMG) vs Main Street Capital (MAIN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Affiliated Managers Group (AMG) has outperformed Main Street Capital (MAIN) over the past year, gaining 57.2% versus a loss of 12.3%. Over five years, AMG leads with a +135.6% price change compared with +27.2% for MAIN. Affiliated Managers Group is the larger company by market cap ($9.75 billion vs $5.07 billion), about 1.9 times the size.
On valuation, Affiliated Managers Group trades at a lower forward P/E (8.8x vs 14.0x for Main Street Capital). Main Street Capital offers the higher dividend yield (5.70% vs 0.01%).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMG | MAIN |
|---|---|---|
| Share price | $377.09 | $54.18 |
| Market cap | $9.75B | $5.07B |
| 1-day change | -0.69% | -1.08% |
| YTD return | +30.81% | -10.28% |
| 1-year return | +57.15% | -12.29% |
| 5-year return | +135.62% | +27.18% |
| P/E ratio (TTM) | 13.21 | 10.88 |
| Forward P/E | 8.81 | 13.95 |
| EPS (TTM) | $28.54 | $4.98 |
| Dividend yield | 0.01% | 5.70% |
| Annual dividend | $0.04 | $3.09 |
| Revenue (latest FY) | $2.07B | — |
| Revenue growth (YoY) | +1.64% | — |
| Net income (latest FY) | $716.60M | $493.40M |
| Net margin | 34.54% | — |
| 52-week high | $392.92 | $65.23 |
| 52-week low | $230.26 | $48.95 |
| Distance from 52-week high | -4.03% | -16.94% |
| Analyst consensus | strong_buy | hold |
| Avg. price target upside | +16.80% | +11.35% |
| Average volume | 275.71K | 529.96K |
| Shares outstanding | 25.86M | 93.51M |
| Employees | 5,600 | 110 |
| Sector | Financial Services | Financial Services |
| Industry | Asset Management | Asset Management |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- AMG has outperformed MAIN by 69.4 percentage points over the past year.
- Main Street Capital offers a meaningfully higher dividend yield (5.70% vs 0.01%).
About Affiliated Managers Group
AMG stock →Affiliated Managers Group, Inc., through its affiliates, operates as an investment management company providing investment management services to mutual funds, institutional clients,retails and high net worth individuals in the United States. It provides advisory or sub-advisory services to mutual funds.
Financial Services · Asset Management · 5,600 employees
About Main Street Capital
MAIN stock →Main Street Capital Corporation is a business development company and a small business investment company specializing in direct and indirect investments. In direct investments, the firm specializes in private equity capital to lower middle market companies.
Financial Services · Asset Management · 110 employees
AMG vs MAIN FAQ
Which is bigger, Affiliated Managers Group or Main Street Capital?
Affiliated Managers Group (AMG) is larger, with a market capitalization of $9.75B compared with $5.07B for Main Street Capital (MAIN).
Which stock has performed better over the past year, AMG or MAIN?
AMG returned +57.15% over the past 12 months, compared with -12.29% for MAIN (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AMG or MAIN?
MAIN has the lower trailing P/E at 10.9, versus 13.2 for AMG. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Affiliated Managers Group or Main Street Capital?
Main Street Capital has the higher yield at 5.70%, compared with 0.01% for Affiliated Managers Group.
Are Affiliated Managers Group and Main Street Capital in the same industry?
Yes. Both are classified in the Asset Management industry within the Financial Services sector.