CSRSX vs. CSDIX

Last updated Jun 4, 2026

CSRSX (Cohen & Steers Realty Shares Fund) and CSDIX (Cohen & Steers Real Estate Securities Fund CLASS I) are both REIT funds from Cohen & Steers. Over the past 10 years, CSRSX returned 6.99%/yr vs 7.17%/yr for CSDIX. With a 0.98 correlation, they move nearly in lockstep. CSRSX charges 0.88%/yr vs 0.84%/yr for CSDIX.

Performance

CSRSX vs. CSDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cohen & Steers Realty Shares Fund (CSRSX) and Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CSRSX achieves a 11.55% return, which is significantly higher than CSDIX's 10.78% return. Both investments have delivered pretty close results over the past 10 years, with CSRSX having a 6.99% annualized return and CSDIX not far ahead at 7.17%.

CSRSX

• 1D: 0.39%
• 1M: -0.94%
• YTD: 11.55%
• 6M: 10.41%
• 1Y: 10.89%
• 3Y*: 10.40%
• 5Y*: 3.84%
• 10Y*: 6.99%

CSDIX

• 1D: 0.32%
• 1M: -1.29%
• YTD: 10.78%
• 6M: 10.03%
• 1Y: 11.79%
• 3Y*: 10.91%
• 5Y*: 3.80%
• 10Y*: 7.17%

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

CSRSX vs. CSDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSRSX Cohen & Steers Realty Shares Fund	11.55%	2.84%	6.35%	12.70%	-24.94%	42.25%	-2.87%	33.12%	-5.10%	7.09%
CSDIX Cohen & Steers Real Estate Securities Fund CLASS I	10.78%	4.32%	6.73%	13.18%	-26.33%	41.70%	-1.74%	31.84%	-4.25%	8.09%

Correlation

The correlation between CSRSX and CSDIX is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Jul 16, 1998	0.98

The correlation between CSRSX and CSDIX has been stable across timeframes, ranging from 0.98 to 1.00 - a consistent structural relationship.

Return for Risk

CSRSX vs. CSDIX — Risk / Return Rank

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

CSRSX

CSRSX Risk / Return Rank: 11
CSRSX Sharpe Ratio Rank: 10
CSRSX Sortino Ratio Rank: 9
CSRSX Omega Ratio Rank: 9
CSRSX Calmar Ratio Rank: 15
CSRSX Martin Ratio Rank: 12

CSDIX

CSDIX Risk / Return Rank: 13
CSDIX Sharpe Ratio Rank: 11
CSDIX Sortino Ratio Rank: 10
CSDIX Omega Ratio Rank: 11
CSDIX Calmar Ratio Rank: 17
CSDIX Martin Ratio Rank: 16

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.

CSRSX vs. CSDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cohen & Steers Realty Shares Fund (CSRSX) and Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX). 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.

	CSRSX	CSDIX	Difference
Sharpe ratio: Return per unit of total volatility	0.78	0.88	-0.09
Sortino ratio: Return per unit of downside risk	1.13	1.24	-0.12
Omega ratio: Gain probability vs. loss probability	1.14	1.16	-0.02
Calmar ratio: Return relative to maximum drawdown	1.36	1.46	-0.11
Martin ratio: Return relative to average drawdown	3.52	4.38	-0.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSRSX vs. CSDIX - Sharpe Ratio Comparison

The current CSRSX Sharpe Ratio is 0.78, which is comparable to the CSDIX Sharpe Ratio of 0.88. The chart below compares the historical Sharpe Ratios of CSRSX and CSDIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CSRSX	CSDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.78	0.88	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.21	0.20	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	0.35	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.35	+0.10

Drawdowns

CSRSX vs. CSDIX - Drawdown Comparison

The maximum CSRSX drawdown since its inception was -72.51%, roughly equal to the maximum CSDIX drawdown of -72.37%. Use the drawdown chart below to compare losses from any high point for CSRSX and CSDIX.

Drawdown Indicators

	CSRSX	CSDIX	Difference
Max Drawdown Largest peak-to-trough decline	-72.51%	-72.37%	-0.14%
Max Drawdown (1Y) Largest decline over 1 year	-7.78%	-7.91%	+0.13%
Max Drawdown (3Y) Largest decline over 3 years	-17.02%	-17.23%	+0.21%
Max Drawdown (5Y) Largest decline over 5 years	-31.65%	-33.09%	+1.44%
Max Drawdown (10Y) Largest decline over 10 years	-41.66%	-42.68%	+1.02%
Current Drawdown Current decline from peak	-2.87%	-3.09%	+0.22%
Average Drawdown Average peak-to-trough decline	-9.82%	-10.94%	+1.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.99%	2.63%	+0.36%

Volatility

CSRSX vs. CSDIX - Volatility Comparison

Cohen & Steers Realty Shares Fund (CSRSX) and Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX) have volatilities of 3.69% and 3.79%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSRSX	CSDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.69%	3.79%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	10.15%	9.89%	+0.26%
Volatility (1Y) Calculated over the trailing 1-year period	13.49%	13.20%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.65%	18.67%	-0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.57%	20.86%	-0.29%

CSRSX vs. CSDIX - Expense Ratio Comparison

CSRSX has a 0.88% expense ratio, which is higher than CSDIX's 0.84% expense ratio.

Dividends

CSRSX vs. CSDIX - Dividend Comparison

CSRSX's dividend yield for the trailing twelve months is around 2.75%, less than CSDIX's 3.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSDIX Cohen & Steers Real Estate Securities Fund CLASS I	3.42%	3.72%	2.78%	2.93%	7.67%	4.30%	5.39%	7.62%	3.60%	2.52%	5.84%	19.24%
CSRSX Cohen & Steers Realty Shares Fund	2.75%	3.00%	2.60%	3.50%	7.52%	3.68%	4.73%	16.29%	5.36%	8.88%	13.49%	13.37%

Frequently Asked Questions

Can I hold both CSRSX and CSDIX in my portfolio?

With a correlation of 0.99, CSRSX and CSDIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CSRSX or CSDIX?

CSDIX has higher volatility (3.79%) compared to CSRSX (3.69%). In terms of maximum drawdown, CSRSX dropped -72.51% vs CSDIX's -72.37%.

Which has better risk-adjusted returns?

CSDIX currently has the higher Sharpe Ratio (0.88 vs 0.78), 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.