PIODX vs. QUERX

Last updated Apr 2, 2026

Compare and contrast key facts about Pioneer Fund (PIODX) and AQR Large Cap Defensive Style Fund Class R6 (QUERX).

PIODX is managed by Amundi. It was launched on Feb 10, 1928. QUERX is an actively managed fund by AQR Funds. It was launched on Jul 9, 2012.

Performance

PIODX vs. QUERX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pioneer Fund (PIODX) and AQR Large Cap Defensive Style Fund Class R6 (QUERX). The values are adjusted to include any dividend payments, if applicable.

PIODX vs. QUERX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PIODX Pioneer Fund	-1.25%	23.30%	22.62%	28.45%	-19.43%	27.40%	24.01%	31.04%	-1.48%	21.79%
QUERX AQR Large Cap Defensive Style Fund Class R6	1.76%	6.98%	13.98%	9.55%	-13.73%	23.56%	13.20%	28.82%	-0.21%	22.22%

Returns By Period

In the year-to-date period, PIODX achieves a -1.25% return, which is significantly lower than QUERX's 1.76% return. Over the past 10 years, PIODX has outperformed QUERX with an annualized return of 15.23%, while QUERX has yielded a comparatively lower 10.65% annualized return.

PIODX

• 1D: 3.04%
• 1M: -6.34%
• YTD: -1.25%
• 6M: 2.85%
• 1Y: 30.24%
• 3Y*: 22.27%
• 5Y*: 12.78%
• 10Y*: 15.23%

QUERX

• 1D: 0.96%
• 1M: -4.33%
• YTD: 1.76%
• 6M: -0.27%
• 1Y: 3.98%
• 3Y*: 10.10%
• 5Y*: 6.84%
• 10Y*: 10.65%

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

PIODX vs. QUERX - Expense Ratio Comparison

PIODX has a 1.06% expense ratio, which is higher than QUERX's 0.31% expense ratio.

PIODX

Pioneer Fund

QUERX

AQR Large Cap Defensive Style Fund Class R6

Return for Risk

PIODX vs. QUERX — Risk / Return Rank

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

PIODX

PIODX Risk / Return Rank: 83
PIODX Sharpe Ratio Rank: 77
PIODX Sortino Ratio Rank: 79
PIODX Omega Ratio Rank: 77
PIODX Calmar Ratio Rank: 88
PIODX Martin Ratio Rank: 91

QUERX

QUERX Risk / Return Rank: 10
QUERX Sharpe Ratio Rank: 9
QUERX Sortino Ratio Rank: 9
QUERX Omega Ratio Rank: 9
QUERX Calmar Ratio Rank: 11
QUERX Martin Ratio Rank: 14

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.

PIODX vs. QUERX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pioneer Fund (PIODX) and AQR Large Cap Defensive Style Fund Class R6 (QUERX). 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.

	PIODX	QUERX	Difference
Sharpe ratio Return per unit of total volatility	1.44	0.34	+1.10
Sortino ratio Return per unit of downside risk	2.08	0.56	+1.52
Omega ratio Gain probability vs. loss probability	1.30	1.08	+0.22
Calmar ratio Return relative to maximum drawdown	2.44	0.45	+1.99
Martin ratio Return relative to average drawdown	10.94	2.06	+8.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PIODX vs. QUERX - Sharpe Ratio Comparison

The current PIODX Sharpe Ratio is 1.44, which is higher than the QUERX Sharpe Ratio of 0.34. The chart below compares the historical Sharpe Ratios of PIODX and QUERX, 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

	PIODX	QUERX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.44	0.34	+1.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	0.53	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	0.70	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.70	-0.18

Correlation

The correlation between PIODX and QUERX is 0.84, 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

PIODX vs. QUERX - Dividend Comparison

PIODX's dividend yield for the trailing twelve months is around 10.15%, less than QUERX's 22.46% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PIODX Pioneer Fund	10.15%	10.04%	14.17%	2.86%	4.13%	16.18%	5.82%	9.37%	15.37%	21.35%	20.51%	14.53%
QUERX AQR Large Cap Defensive Style Fund Class R6	22.46%	22.86%	24.47%	24.43%	10.37%	2.62%	1.37%	1.18%	1.74%	2.45%	2.06%	6.28%

Drawdowns

PIODX vs. QUERX - Drawdown Comparison

The maximum PIODX drawdown since its inception was -53.40%, which is greater than QUERX's maximum drawdown of -30.81%. Use the drawdown chart below to compare losses from any high point for PIODX and QUERX.

Drawdown Indicators

	PIODX	QUERX	Difference
Max Drawdown Largest peak-to-trough decline	-53.40%	-30.81%	-22.59%
Max Drawdown (1Y) Largest decline over 1 year	-12.75%	-8.92%	-3.83%
Max Drawdown (5Y) Largest decline over 5 years	-26.55%	-22.04%	-4.51%
Max Drawdown (10Y) Largest decline over 10 years	-30.14%	-30.81%	+0.67%
Current Drawdown Current decline from peak	-7.26%	-4.33%	-2.93%
Average Drawdown Average peak-to-trough decline	-8.62%	-3.95%	-4.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.84%	1.95%	+0.89%

Volatility

PIODX vs. QUERX - Volatility Comparison

Pioneer Fund (PIODX) has a higher volatility of 6.29% compared to AQR Large Cap Defensive Style Fund Class R6 (QUERX) at 2.81%. This indicates that PIODX's price experiences larger fluctuations and is considered to be riskier than QUERX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PIODX	QUERX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.29%	2.81%	+3.48%
Volatility (6M) Calculated over the trailing 6-month period	11.88%	5.75%	+6.13%
Volatility (1Y) Calculated over the trailing 1-year period	21.56%	12.05%	+9.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.11%	13.08%	+6.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.80%	15.23%	+3.57%