WTLS vs. BPIRX

Last updated Apr 1, 2026

Compare and contrast key facts about WisdomTree Efficient Long/Short US Equity Fund (WTLS) and Boston Partners Long/Short Research Fund (BPIRX).

WTLS is an actively managed fund by WisdomTree. It was launched on Jan 20, 2026. BPIRX is managed by Boston Partners. It was launched on Sep 29, 2010.

Performance

WTLS vs. BPIRX - Performance Comparison

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

WTLS vs. BPIRX - Yearly Performance Comparison

	2026 (YTD)
WTLS WisdomTree Efficient Long/Short US Equity Fund	-2.35%
BPIRX Boston Partners Long/Short Research Fund	-4.25%

Returns By Period

WTLS

• 1D: 3.22%
• 1M: -4.31%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BPIRX

• 1D: -0.36%
• 1M: -6.46%
• YTD: -2.07%
• 6M: -0.58%
• 1Y: 10.96%
• 3Y*: 11.03%
• 5Y*: 10.53%
• 10Y*: 6.41%

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

WTLS vs. BPIRX - Expense Ratio Comparison

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

BPIRX

Boston Partners Long/Short Research Fund

WTLS

WisdomTree Efficient Long/Short US Equity Fund

Return for Risk

WTLS vs. BPIRX — Risk / Return Rank

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

BPIRX

BPIRX Risk / Return Rank: 62
BPIRX Sharpe Ratio Rank: 61
BPIRX Sortino Ratio Rank: 59
BPIRX Omega Ratio Rank: 60
BPIRX Calmar Ratio Rank: 66
BPIRX Martin Ratio Rank: 65

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.

WTLS vs. BPIRX - Risk-Adjusted Trends Comparison

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

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	WTLS	BPIRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.09	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.92	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.55	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.61	0.68	-1.29

Correlation

The correlation between WTLS and BPIRX is 0.71, 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

WTLS vs. BPIRX - Dividend Comparison

WTLS has not paid dividends to shareholders, while BPIRX's dividend yield for the trailing twelve months is around 10.88%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
BPIRX Boston Partners Long/Short Research Fund	10.88%	10.65%	11.38%	11.29%	20.90%	12.51%	0.00%	2.28%	5.50%	0.00%	0.00%	3.88%

Drawdowns

WTLS vs. BPIRX - Drawdown Comparison

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

Drawdown Indicators

	WTLS	BPIRX	Difference
Max Drawdown Largest peak-to-trough decline	-8.94%	-30.59%	+21.65%
Max Drawdown (1Y) Largest decline over 1 year	—	-7.09%	—
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	-6.01%	-6.46%	+0.45%
Average Drawdown Average peak-to-trough decline	-2.84%	-3.88%	+1.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.72%	—

Volatility

Volatility by Period

	WTLS	BPIRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.91%	—
Volatility (6M) Calculated over the trailing 6-month period	—	6.26%	—
Volatility (1Y) Calculated over the trailing 1-year period	19.88%	10.57%	+9.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.88%	11.49%	+8.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.88%	11.64%	+8.24%