VIKSX vs. PGOFX

Last updated Jul 18, 2026

VIKSX (Virtus KAR Small-Mid Cap Growth Fund) and PGOFX (Pioneer Select Mid Cap Growth Fund) are both Mid Cap Growth Equities funds. Over the past 5 years, VIKSX returned -0.06%/yr vs 7.70%/yr for PGOFX. Their correlation of 0.81 suggests significant overlap in exposure. VIKSX charges 1.06%/yr vs 0.99%/yr for PGOFX.

Performance

VIKSX vs. PGOFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus KAR Small-Mid Cap Growth Fund (VIKSX) and Pioneer Select Mid Cap Growth Fund (PGOFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VIKSX achieves a 3.62% return, which is significantly lower than PGOFX's 18.42% return.

VIKSX

• 1D: 1.92%
• 1M: 6.75%
• 6M: -1.30%
• YTD: 3.62%
• 1Y: -6.11%
• 3Y*: 3.61%
• 5Y*: -0.06%
• 10Y*: —

PGOFX

• 1D: -2.53%
• 1M: -2.82%
• 6M: 13.29%
• YTD: 18.42%
• 1Y: 26.08%
• 3Y*: 21.81%
• 5Y*: 7.70%
• 10Y*: 13.39%

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

VIKSX vs. PGOFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
VIKSX Virtus KAR Small-Mid Cap Growth Fund	3.62%	-8.33%	12.39%	18.92%	-22.54%	5.38%	3.23%
PGOFX Pioneer Select Mid Cap Growth Fund	18.42%	20.66%	23.84%	18.66%	-31.26%	8.06%	3.66%

Correlation

The correlation between VIKSX and PGOFX is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (All Time) Calculated using the full available price history since Dec 14, 2020	0.81

Over the past year, the correlation between VIKSX and PGOFX has dropped to 0.57 - well below their long-term average of 0.81, suggesting their price drivers have been diverging.

Return for Risk

VIKSX vs. PGOFX — Risk / Return Rank

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

VIKSX

VIKSX Risk / Return Rank: 2
VIKSX Sharpe Ratio Rank: 2
VIKSX Sortino Ratio Rank: 2
VIKSX Omega Ratio Rank: 2
VIKSX Calmar Ratio Rank: 2
VIKSX Martin Ratio Rank: 2

PGOFX

PGOFX Risk / Return Rank: 42
PGOFX Sharpe Ratio Rank: 30
PGOFX Sortino Ratio Rank: 28
PGOFX Omega Ratio Rank: 26
PGOFX Calmar Ratio Rank: 68
PGOFX Martin Ratio Rank: 61

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.

VIKSX vs. PGOFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus KAR Small-Mid Cap Growth Fund (VIKSX) and Pioneer Select Mid Cap Growth Fund (PGOFX). 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.

	VIKSX	PGOFX	Difference
Sharpe ratio: Return per unit of total volatility	-0.30	1.28	-1.58
Sortino ratio: Return per unit of downside risk	-0.33	1.79	-2.11
Omega ratio: Gain probability vs. loss probability	0.96	1.22	-0.25
Calmar ratio: Return relative to maximum drawdown	-0.24	2.60	-2.84
Martin ratio: Return relative to average drawdown	-0.46	9.76	-10.22

VIKSX vs. PGOFX - Sharpe Ratio Comparison

The current VIKSX Sharpe Ratio is -0.30, which is lower than the PGOFX Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of VIKSX and PGOFX, 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

VIKSX vs. PGOFX - Drawdown Comparison

The maximum VIKSX drawdown since its inception was -34.44%, smaller than the maximum PGOFX drawdown of -62.17%. Use the drawdown chart below to compare losses from any high point for VIKSX and PGOFX.

Drawdown Indicators

	VIKSX	PGOFX	Difference
Max Drawdown Largest peak-to-trough decline	-34.44%	-62.17%	+27.73%
Max Drawdown (1Y) Largest decline over 1 year	-21.39%	-10.45%	-10.94%
Max Drawdown (3Y) Largest decline over 3 years	-26.02%	-28.15%	+2.13%
Max Drawdown (5Y) Largest decline over 5 years	-34.44%	-39.78%	+5.34%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.78%	—
Current Drawdown Current decline from peak	-13.26%	-6.14%	-7.12%
Average Drawdown Average peak-to-trough decline	-13.86%	-11.67%	-2.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.88%	2.78%	+8.10%

Volatility

VIKSX vs. PGOFX - Volatility Comparison

The current volatility for Virtus KAR Small-Mid Cap Growth Fund (VIKSX) is 4.74%, while Pioneer Select Mid Cap Growth Fund (PGOFX) has a volatility of 7.39%. This indicates that VIKSX experiences smaller price fluctuations and is considered to be less risky than PGOFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIKSX	PGOFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.74%	7.39%	-2.65%
Volatility (6M) Calculated over the trailing 6-month period	13.06%	17.08%	-4.02%
Volatility (1Y) Calculated over the trailing 1-year period	16.73%	21.33%	-4.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.97%	23.90%	-4.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.79%	23.17%	-4.38%

VIKSX vs. PGOFX - Expense Ratio Comparison

VIKSX has a 1.06% expense ratio, which is higher than PGOFX's 0.99% expense ratio.

Dividends

VIKSX vs. PGOFX - Dividend Comparison

VIKSX has not paid dividends to shareholders, while PGOFX's dividend yield for the trailing twelve months is around 14.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PGOFX Pioneer Select Mid Cap Growth Fund	14.02%	16.61%	12.14%	0.00%	1.84%	11.47%	13.77%	1.37%	16.05%	8.32%	1.69%	8.90%
VIKSX Virtus KAR Small-Mid Cap Growth Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VIKSX and PGOFX in my portfolio?

VIKSX and PGOFX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VIKSX or PGOFX?

PGOFX has higher volatility (7.39%) compared to VIKSX (4.74%). In terms of maximum drawdown, VIKSX dropped -34.44% vs PGOFX's -62.17%.

Which has better risk-adjusted returns?

PGOFX currently has the higher Sharpe Ratio (1.28 vs -0.30), 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.