TMFM vs. TMFS

Last updated Apr 1, 2026

Compare and contrast key facts about Motley Fool Mid-Cap Growth ETF (TMFM) and Motley Fool Small-Cap Growth ETF (TMFS).

TMFM and TMFS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. TMFM is an actively managed fund by Motley Fool. It was launched on Jun 17, 2014. TMFS is an actively managed fund by Motley Fool. It was launched on Oct 29, 2018.

Performance

TMFM vs. TMFS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Motley Fool Mid-Cap Growth ETF (TMFM) and Motley Fool Small-Cap Growth ETF (TMFS). The values are adjusted to include any dividend payments, if applicable.

TMFM vs. TMFS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
TMFM Motley Fool Mid-Cap Growth ETF	-14.00%	-8.98%	17.54%	21.81%	-27.36%	2.08%
TMFS Motley Fool Small-Cap Growth ETF	-8.10%	-1.59%	15.41%	25.40%	-33.15%	4.03%

Returns By Period

In the year-to-date period, TMFM achieves a -14.00% return, which is significantly lower than TMFS's -8.10% return.

TMFM

• 1D: 2.00%
• 1M: -10.04%
• YTD: -14.00%
• 6M: -18.69%
• 1Y: -19.31%
• 3Y*: 2.05%
• 5Y*: —
• 10Y*: —

TMFS

• 1D: 3.19%
• 1M: -9.83%
• YTD: -8.10%
• 6M: -7.25%
• 1Y: -1.30%
• 3Y*: 6.23%
• 5Y*: -3.08%
• 10Y*: —

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

TMFM vs. TMFS - Expense Ratio Comparison

Both TMFM and TMFS have an expense ratio of 0.85%.

TMFM

Motley Fool Mid-Cap Growth ETF

TMFS

Motley Fool Small-Cap Growth ETF

Return for Risk

TMFM vs. TMFS — Risk / Return Rank

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

TMFM

TMFM Risk / Return Rank: 1
TMFM Sharpe Ratio Rank: 1
TMFM Sortino Ratio Rank: 1
TMFM Omega Ratio Rank: 1
TMFM Calmar Ratio Rank: 2
TMFM Martin Ratio Rank: 1

TMFS

TMFS Risk / Return Rank: 11
TMFS Sharpe Ratio Rank: 11
TMFS Sortino Ratio Rank: 11
TMFS Omega Ratio Rank: 11
TMFS Calmar Ratio Rank: 11
TMFS Martin Ratio Rank: 10

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.

TMFM vs. TMFS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Motley Fool Mid-Cap Growth ETF (TMFM) and Motley Fool Small-Cap Growth ETF (TMFS). 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.

	TMFM	TMFS	Difference
Sharpe ratio Return per unit of total volatility	-0.91	-0.05	-0.86
Sortino ratio Return per unit of downside risk	-1.29	0.10	-1.39
Omega ratio Gain probability vs. loss probability	0.85	1.01	-0.16
Calmar ratio Return relative to maximum drawdown	-0.69	-0.09	-0.60
Martin ratio Return relative to average drawdown	-1.67	-0.25	-1.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TMFM vs. TMFS - Sharpe Ratio Comparison

The current TMFM Sharpe Ratio is -0.91, which is lower than the TMFS Sharpe Ratio of -0.05. The chart below compares the historical Sharpe Ratios of TMFM and TMFS, 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

	TMFM	TMFS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.91	-0.05	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.13	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.21	0.31	-0.51

Correlation

The correlation between TMFM and TMFS is 0.90, 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

TMFM vs. TMFS - Dividend Comparison

TMFM's dividend yield for the trailing twelve months is around 0.07%, while TMFS has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019
TMFM Motley Fool Mid-Cap Growth ETF	0.07%	0.06%	16.27%	2.55%	0.00%	0.00%	0.00%	0.00%
TMFS Motley Fool Small-Cap Growth ETF	0.00%	0.00%	0.00%	0.00%	0.34%	2.37%	5.57%	2.65%

Drawdowns

TMFM vs. TMFS - Drawdown Comparison

The maximum TMFM drawdown since its inception was -31.75%, smaller than the maximum TMFS drawdown of -48.79%. Use the drawdown chart below to compare losses from any high point for TMFM and TMFS.

Drawdown Indicators

	TMFM	TMFS	Difference
Max Drawdown Largest peak-to-trough decline	-31.75%	-48.79%	+17.04%
Max Drawdown (1Y) Largest decline over 1 year	-27.34%	-15.73%	-11.61%
Max Drawdown (5Y) Largest decline over 5 years	—	-45.68%	—
Current Drawdown Current decline from peak	-30.02%	-25.54%	-4.48%
Average Drawdown Average peak-to-trough decline	-15.38%	-19.45%	+4.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.28%	5.27%	+6.01%

Volatility

TMFM vs. TMFS - Volatility Comparison

The current volatility for Motley Fool Mid-Cap Growth ETF (TMFM) is 5.83%, while Motley Fool Small-Cap Growth ETF (TMFS) has a volatility of 6.89%. This indicates that TMFM experiences smaller price fluctuations and is considered to be less risky than TMFS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMFM	TMFS	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.83%	6.89%	-1.06%
Volatility (6M) Calculated over the trailing 6-month period	13.76%	14.48%	-0.72%
Volatility (1Y) Calculated over the trailing 1-year period	21.27%	24.44%	-3.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.48%	22.98%	-2.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.48%	25.65%	-5.17%