STMGX vs. WWNPX
STMGX (American Beacon Stephens Mid-Cap Growth Fund) and WWNPX (Kinetics Paradigm Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, STMGX returned 14.17%/yr vs 17.86%/yr for WWNPX. A 0.66 correlation means they provide meaningful diversification when combined. STMGX charges 1.14%/yr vs 1.64%/yr for WWNPX.
Performance
STMGX vs. WWNPX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, STMGX achieves a 10.83% return, which is significantly lower than WWNPX's 12.75% return. Over the past 10 years, STMGX has underperformed WWNPX with an annualized return of 14.17%, while WWNPX has yielded a comparatively higher 17.86% annualized return.
STMGX
- 1D
- 0.04%
- 1M
- 4.11%
- YTD
- 10.83%
- 6M
- 9.00%
- 1Y
- 18.29%
- 3Y*
- 16.40%
- 5Y*
- 6.18%
- 10Y*
- 14.17%
WWNPX
- 1D
- 1.05%
- 1M
- -11.42%
- YTD
- 12.75%
- 6M
- 9.79%
- 1Y
- -3.12%
- 3Y*
- 29.02%
- 5Y*
- 12.04%
- 10Y*
- 17.86%
STMGX vs. WWNPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
STMGX American Beacon Stephens Mid-Cap Growth Fund | 10.83% | 12.98% | 13.16% | 25.22% | -28.31% | 12.29% | 39.82% | 31.31% | 1.71% | 27.97% |
WWNPX Kinetics Paradigm Fund | 12.75% | -14.61% | 88.34% | -16.97% | 29.18% | 38.14% | 3.38% | 30.47% | -5.24% | 28.41% |
Correlation
The correlation between STMGX and WWNPX is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.38 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.42 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.46 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.49 |
Correlation (All Time) Calculated using the full available price history since Feb 2, 2006 | 0.66 |
Over the past year, the correlation between STMGX and WWNPX has dropped to 0.38 - well below their long-term average of 0.66, suggesting their price drivers have been diverging.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
STMGX vs. WWNPX — Risk / Return Rank
STMGX
WWNPX
STMGX vs. WWNPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Beacon Stephens Mid-Cap Growth Fund (STMGX) and Kinetics Paradigm Fund (WWNPX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| STMGX | WWNPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.29 | ||
| Sortino ratioReturn per unit of downside risk | +1.64 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.00 | +0.19 |
| Calmar ratioReturn relative to maximum drawdown | 1.78 | -0.18 | +1.97 |
| Martin ratioReturn relative to average drawdown | 6.21 | -0.43 | +6.65 |
Loading charts...
Drawdowns
STMGX vs. WWNPX - Drawdown Comparison
The maximum STMGX drawdown since its inception was -57.58%, smaller than the maximum WWNPX drawdown of -67.87%. Use the drawdown chart below to compare losses from any high point for STMGX and WWNPX.
Loading charts...
Drawdown Indicators
| STMGX | WWNPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.58% | -67.87% | +10.29% |
Max Drawdown (1Y)Largest decline over 1 year | -10.84% | -27.71% | +16.87% |
Max Drawdown (3Y)Largest decline over 3 years | -22.50% | -41.13% | +18.63% |
Max Drawdown (5Y)Largest decline over 5 years | -36.59% | -41.13% | +4.54% |
Max Drawdown (10Y)Largest decline over 10 years | -36.59% | -43.51% | +6.92% |
Current DrawdownCurrent decline from peak | -0.74% | -31.66% | +30.92% |
Average DrawdownAverage peak-to-trough decline | -10.13% | -13.93% | +3.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.11% | 11.77% | -8.66% |
Volatility
STMGX vs. WWNPX - Volatility Comparison
The current volatility for American Beacon Stephens Mid-Cap Growth Fund (STMGX) is 6.38%, while Kinetics Paradigm Fund (WWNPX) has a volatility of 9.71%. This indicates that STMGX experiences smaller price fluctuations and is considered to be less risky than WWNPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| STMGX | WWNPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.38% | 9.71% | -3.33% |
Volatility (6M)Calculated over the trailing 6-month period | 13.49% | 26.86% | -13.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.05% | 33.74% | -16.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.94% | 33.01% | -12.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.94% | 28.71% | -7.77% |
STMGX vs. WWNPX - Expense Ratio Comparison
STMGX has a 1.14% expense ratio, which is lower than WWNPX's 1.64% expense ratio.
Dividends
STMGX vs. WWNPX - Dividend Comparison
STMGX's dividend yield for the trailing twelve months is around 31.02%, more than WWNPX's 7.28% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
STMGX American Beacon Stephens Mid-Cap Growth Fund | 31.02% | 34.38% | 4.86% | 0.00% | 3.42% | 7.49% | 1.45% | 3.60% | 9.39% | 5.40% | 6.65% | 5.62% |
WWNPX Kinetics Paradigm Fund | 7.28% | 8.21% | 2.95% | 5.65% | 2.00% | 1.67% | 2.15% | 1.00% | 10.44% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
STMGX and WWNPX have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WWNPX has higher volatility (9.71%) compared to STMGX (6.38%). In terms of maximum drawdown, STMGX dropped -57.58% vs WWNPX's -67.87%.
STMGX currently has the higher Sharpe Ratio (1.14 vs -0.15), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for STMGX and WWNPX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer