PSBMX vs. CAMSX

Last updated Jun 24, 2026

PSBMX (Principal SmallCap Fund) and CAMSX (Cambiar Small Cap Fund) are both Small Cap Blend Equities funds. Over the past 10 years, PSBMX returned 11.08%/yr vs 10.06%/yr for CAMSX. Their correlation of 0.92 suggests significant overlap in exposure. PSBMX charges 1.31%/yr vs 1.10%/yr for CAMSX.

Performance

PSBMX vs. CAMSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal SmallCap Fund (PSBMX) and Cambiar Small Cap Fund (CAMSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSBMX achieves a 16.25% return, which is significantly lower than CAMSX's 19.43% return. Over the past 10 years, PSBMX has outperformed CAMSX with an annualized return of 11.08%, while CAMSX has yielded a comparatively lower 10.06% annualized return.

PSBMX

• 1D: 0.85%
• 1M: 4.99%
• YTD: 16.25%
• 6M: 13.89%
• 1Y: 35.33%
• 3Y*: 16.05%
• 5Y*: 5.87%
• 10Y*: 11.08%

CAMSX

• 1D: 0.31%
• 1M: 3.52%
• YTD: 19.43%
• 6M: 17.79%
• 1Y: 31.19%
• 3Y*: 14.03%
• 5Y*: 7.18%
• 10Y*: 10.06%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PSBMX vs. CAMSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSBMX Principal SmallCap Fund	16.25%	14.58%	8.53%	15.11%	-20.51%	19.21%	21.44%	26.97%	-11.42%	12.35%
CAMSX Cambiar Small Cap Fund	19.43%	8.91%	6.01%	12.12%	-8.70%	17.24%	9.52%	29.01%	-12.51%	4.01%

Correlation

The correlation between PSBMX and CAMSX is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Aug 31, 2004	0.92

The correlation between PSBMX and CAMSX has been stable across timeframes, ranging from 0.84 to 0.92 - a consistent structural relationship.

Return for Risk

PSBMX vs. CAMSX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PSBMX

PSBMX Risk / Return Rank: 59
PSBMX Sharpe Ratio Rank: 57
PSBMX Sortino Ratio Rank: 53
PSBMX Omega Ratio Rank: 49
PSBMX Calmar Ratio Rank: 69
PSBMX Martin Ratio Rank: 65

CAMSX

CAMSX Risk / Return Rank: 55
CAMSX Sharpe Ratio Rank: 52
CAMSX Sortino Ratio Rank: 50
CAMSX Omega Ratio Rank: 46
CAMSX Calmar Ratio Rank: 73
CAMSX Martin Ratio Rank: 52

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PSBMX vs. CAMSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal SmallCap Fund (PSBMX) and Cambiar Small Cap Fund (CAMSX). 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.

	PSBMX	CAMSX	Difference
Sharpe ratio: Return per unit of total volatility	2.04	1.95	+0.09
Sortino ratio: Return per unit of downside risk	2.83	2.74	+0.09
Omega ratio: Gain probability vs. loss probability	1.35	1.34	+0.01
Calmar ratio: Return relative to maximum drawdown	3.05	3.17	-0.12
Martin ratio: Return relative to average drawdown	11.97	10.15	+1.83

PSBMX vs. CAMSX - Sharpe Ratio Comparison

The current PSBMX Sharpe Ratio is 2.04, which is comparable to the CAMSX Sharpe Ratio of 1.95. The chart below compares the historical Sharpe Ratios of PSBMX and CAMSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PSBMX vs. CAMSX - Drawdown Comparison

The maximum PSBMX drawdown since its inception was -60.15%, roughly equal to the maximum CAMSX drawdown of -58.43%. Use the drawdown chart below to compare losses from any high point for PSBMX and CAMSX.

Drawdown Indicators

	PSBMX	CAMSX	Difference
Max Drawdown Largest peak-to-trough decline	-60.15%	-58.43%	-1.72%
Max Drawdown (1Y) Largest decline over 1 year	-12.10%	-10.44%	-1.66%
Max Drawdown (3Y) Largest decline over 3 years	-25.13%	-22.14%	-2.99%
Max Drawdown (5Y) Largest decline over 5 years	-31.32%	-22.14%	-9.18%
Max Drawdown (10Y) Largest decline over 10 years	-42.04%	-41.99%	-0.05%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-10.76%	-8.82%	-1.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.08%	3.25%	-0.17%

Volatility

PSBMX vs. CAMSX - Volatility Comparison

Principal SmallCap Fund (PSBMX) and Cambiar Small Cap Fund (CAMSX) have volatilities of 5.46% and 5.29%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSBMX	CAMSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.46%	5.29%	+0.17%
Volatility (6M) Calculated over the trailing 6-month period	13.91%	12.33%	+1.58%
Volatility (1Y) Calculated over the trailing 1-year period	18.10%	16.97%	+1.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.09%	18.79%	+3.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.41%	20.78%	+1.63%

PSBMX vs. CAMSX - Expense Ratio Comparison

PSBMX has a 1.31% expense ratio, which is higher than CAMSX's 1.10% expense ratio.

Dividends

PSBMX vs. CAMSX - Dividend Comparison

PSBMX's dividend yield for the trailing twelve months is around 4.80%, less than CAMSX's 8.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CAMSX Cambiar Small Cap Fund	8.88%	10.60%	3.52%	1.35%	0.48%	32.84%	0.34%	4.82%	24.24%	4.61%	0.00%	8.66%
PSBMX Principal SmallCap Fund	4.80%	5.58%	3.66%	2.91%	0.00%	7.82%	2.28%	5.83%	16.72%	8.65%	2.29%	3.80%

Frequently Asked Questions

Can I hold both PSBMX and CAMSX in my portfolio?

PSBMX and CAMSX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSBMX or CAMSX?

PSBMX has higher volatility (5.46%) compared to CAMSX (5.29%). In terms of maximum drawdown, PSBMX dropped -60.15% vs CAMSX's -58.43%.

Which has better risk-adjusted returns?

PSBMX currently has the higher Sharpe Ratio (2.04 vs 1.95), 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.