BPIRX vs. WTLS

Last updated Jun 4, 2026

BPIRX (Boston Partners Long/Short Research Fund) and WTLS (WisdomTree Efficient Long/Short US Equity Fund) are both Long-Short funds. A 0.69 correlation means they provide meaningful diversification when combined. BPIRX charges 1.40%/yr vs 0.88%/yr for WTLS.

Performance

BPIRX vs. WTLS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Partners Long/Short Research Fund (BPIRX) and WisdomTree Efficient Long/Short US Equity Fund (WTLS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BPIRX

• 1D: 0.69%
• 1M: 1.18%
• YTD: 4.06%
• 6M: 5.02%
• 1Y: 13.51%
• 3Y*: 13.80%
• 5Y*: 10.13%
• 10Y*: 6.96%

WTLS

• 1D: -1.04%
• 1M: 9.27%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BPIRX vs. WTLS - Yearly Performance Comparison

	2026 (YTD)
BPIRX Boston Partners Long/Short Research Fund	1.74%
WTLS WisdomTree Efficient Long/Short US Equity Fund	20.44%

Correlation

The correlation between BPIRX and WTLS is 0.69, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 23, 2026	0.69

Return for Risk

BPIRX vs. WTLS — Risk / Return Rank

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

BPIRX

BPIRX Risk / Return Rank: 35
BPIRX Sharpe Ratio Rank: 35
BPIRX Sortino Ratio Rank: 35
BPIRX Omega Ratio Rank: 35
BPIRX Calmar Ratio Rank: 32
BPIRX Martin Ratio Rank: 39

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.

BPIRX vs. WTLS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Partners Long/Short Research Fund (BPIRX) and WisdomTree Efficient Long/Short US Equity Fund (WTLS). 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.

	BPIRX	WTLS	Difference
Sharpe ratio: Return per unit of total volatility	1.70	—	—
Sortino ratio: Return per unit of downside risk	2.48	—	—
Omega ratio: Gain probability vs. loss probability	1.31	—	—
Calmar ratio: Return relative to maximum drawdown	2.12	—	—
Martin ratio: Return relative to average drawdown	8.42	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BPIRX	WTLS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.70	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.89	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	3.67	-2.96

Drawdowns

BPIRX vs. WTLS - Drawdown Comparison

The maximum BPIRX drawdown since its inception was -30.59%, which is greater than WTLS's maximum drawdown of -8.94%. Use the drawdown chart below to compare losses from any high point for BPIRX and WTLS.

Drawdown Indicators

	BPIRX	WTLS	Difference
Max Drawdown Largest peak-to-trough decline	-30.59%	-8.94%	-21.65%
Max Drawdown (1Y) Largest decline over 1 year	-6.46%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-15.42%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-15.42%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-30.59%	—	—
Current Drawdown Current decline from peak	-0.61%	-1.04%	+0.43%
Average Drawdown Average peak-to-trough decline	-3.86%	-1.78%	-2.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.63%	—	—

Volatility

Volatility by Period

	BPIRX	WTLS	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.32%	—	—
Volatility (6M) Calculated over the trailing 6-month period	6.38%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	8.10%	18.47%	-10.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.46%	18.47%	-7.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.67%	18.47%	-6.80%

BPIRX vs. WTLS - Expense Ratio Comparison

BPIRX has a 1.40% expense ratio, which is higher than WTLS's 0.88% expense ratio.

Dividends

BPIRX vs. WTLS - Dividend Comparison

BPIRX's dividend yield for the trailing twelve months is around 10.24%, while WTLS has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BPIRX Boston Partners Long/Short Research Fund	10.24%	10.65%	11.38%	11.29%	20.90%	12.51%	0.00%	2.28%	5.50%	0.00%	0.00%	3.88%
WTLS WisdomTree Efficient Long/Short US Equity 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 BPIRX and WTLS in my portfolio?

BPIRX and WTLS have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.