PKSFX vs. TWHIX

Last updated Apr 1, 2026

Compare and contrast key facts about Virtus KAR Small-Cap Core Fund (PKSFX) and American Century Heritage Fund (TWHIX).

PKSFX is managed by Virtus. It was launched on Oct 18, 1996. TWHIX is managed by American Century. It was launched on Nov 10, 1987.

Performance

PKSFX vs. TWHIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus KAR Small-Cap Core Fund (PKSFX) and American Century Heritage Fund (TWHIX). The values are adjusted to include any dividend payments, if applicable.

PKSFX vs. TWHIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PKSFX Virtus KAR Small-Cap Core Fund	-0.51%	-2.58%	13.67%	32.32%	-10.77%	19.03%	21.38%	40.21%	-1.99%	34.98%
TWHIX American Century Heritage Fund	-10.01%	6.53%	24.66%	20.64%	-28.13%	11.52%	42.61%	35.50%	-5.08%	21.83%

Returns By Period

In the year-to-date period, PKSFX achieves a -0.51% return, which is significantly higher than TWHIX's -10.01% return. Over the past 10 years, PKSFX has outperformed TWHIX with an annualized return of 14.75%, while TWHIX has yielded a comparatively lower 10.49% annualized return.

PKSFX

• 1D: -0.21%
• 1M: -7.55%
• YTD: -0.51%
• 6M: -1.30%
• 1Y: 2.15%
• 3Y*: 9.64%
• 5Y*: 7.73%
• 10Y*: 14.75%

TWHIX

• 1D: -1.22%
• 1M: -9.79%
• YTD: -10.01%
• 6M: -13.12%
• 1Y: 4.24%
• 3Y*: 9.84%
• 5Y*: 2.81%
• 10Y*: 10.49%

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

PKSFX vs. TWHIX - Expense Ratio Comparison

Both PKSFX and TWHIX have an expense ratio of 1.00%.

PKSFX

Virtus KAR Small-Cap Core Fund

TWHIX

American Century Heritage Fund

Return for Risk

PKSFX vs. TWHIX — Risk / Return Rank

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

PKSFX

PKSFX Risk / Return Rank: 8
PKSFX Sharpe Ratio Rank: 8
PKSFX Sortino Ratio Rank: 9
PKSFX Omega Ratio Rank: 8
PKSFX Calmar Ratio Rank: 8
PKSFX Martin Ratio Rank: 7

TWHIX

TWHIX Risk / Return Rank: 9
TWHIX Sharpe Ratio Rank: 9
TWHIX Sortino Ratio Rank: 10
TWHIX Omega Ratio Rank: 9
TWHIX Calmar Ratio Rank: 8
TWHIX Martin Ratio Rank: 8

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.

PKSFX vs. TWHIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus KAR Small-Cap Core Fund (PKSFX) and American Century Heritage Fund (TWHIX). 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.

	PKSFX	TWHIX	Difference
Sharpe ratio Return per unit of total volatility	0.14	0.16	-0.02
Sortino ratio Return per unit of downside risk	0.35	0.40	-0.05
Omega ratio Gain probability vs. loss probability	1.04	1.05	-0.01
Calmar ratio Return relative to maximum drawdown	0.09	0.10	-0.02
Martin ratio Return relative to average drawdown	0.19	0.32	-0.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PKSFX vs. TWHIX - Sharpe Ratio Comparison

The current PKSFX Sharpe Ratio is 0.14, which is comparable to the TWHIX Sharpe Ratio of 0.16. The chart below compares the historical Sharpe Ratios of PKSFX and TWHIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PKSFX	TWHIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.14	0.16	-0.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.43	0.12	+0.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.46	+0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	0.51	+0.05

Correlation

The correlation between PKSFX and TWHIX is 0.81, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

PKSFX vs. TWHIX - Dividend Comparison

PKSFX's dividend yield for the trailing twelve months is around 14.37%, less than TWHIX's 24.60% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PKSFX Virtus KAR Small-Cap Core Fund	14.37%	14.30%	4.07%	4.12%	6.65%	12.05%	7.45%	4.03%	4.33%	0.17%	5.69%	19.83%
TWHIX American Century Heritage Fund	24.60%	22.14%	15.58%	0.78%	0.98%	12.00%	13.72%	11.32%	25.33%	9.38%	8.71%	0.00%

Drawdowns

PKSFX vs. TWHIX - Drawdown Comparison

The maximum PKSFX drawdown since its inception was -54.46%, roughly equal to the maximum TWHIX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for PKSFX and TWHIX.

Drawdown Indicators

	PKSFX	TWHIX	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-56.98%	+2.52%
Max Drawdown (1Y) Largest decline over 1 year	-11.21%	-15.82%	+4.61%
Max Drawdown (5Y) Largest decline over 5 years	-22.02%	-40.34%	+18.32%
Max Drawdown (10Y) Largest decline over 10 years	-33.45%	-40.34%	+6.89%
Current Drawdown Current decline from peak	-11.25%	-15.82%	+4.57%
Average Drawdown Average peak-to-trough decline	-7.17%	-12.27%	+5.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.92%	5.00%	-0.08%

Volatility

PKSFX vs. TWHIX - Volatility Comparison

The current volatility for Virtus KAR Small-Cap Core Fund (PKSFX) is 4.01%, while American Century Heritage Fund (TWHIX) has a volatility of 6.05%. This indicates that PKSFX experiences smaller price fluctuations and is considered to be less risky than TWHIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PKSFX	TWHIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.01%	6.05%	-2.04%
Volatility (6M) Calculated over the trailing 6-month period	10.93%	13.36%	-2.43%
Volatility (1Y) Calculated over the trailing 1-year period	18.88%	23.61%	-4.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.88%	23.25%	-5.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.78%	22.73%	-3.95%