COWZ vs. VWELX

Last updated Jul 21, 2026

COWZ (Pacer US Cash Cows 100 ETF) and VWELX (Vanguard Wellington Fund Investor Shares) are both funds - COWZ is a Mid Cap Value Equities fund tracking the Pacer US Cash Cows 100 Index, while VWELX is a Diversified Portfolio fund actively managed by Vanguard. COWZ is passively managed, while VWELX is actively managed. Over the past 5 years, COWZ returned 10.54%/yr vs 8.11%/yr for VWELX. A 0.71 correlation means they provide meaningful diversification when combined. COWZ charges 0.49%/yr vs 0.24%/yr for VWELX.

Performance

COWZ vs. VWELX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pacer US Cash Cows 100 ETF (COWZ) and Vanguard Wellington Fund Investor Shares (VWELX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COWZ achieves a 8.02% return, which is significantly higher than VWELX's 5.15% return.

COWZ

• 1D: -0.34%
• 1M: 4.66%
• 6M: 5.39%
• YTD: 8.02%
• 1Y: 18.38%
• 3Y*: 11.05%
• 5Y*: 10.54%
• 10Y*: —
• ALL TIME*: 12.62%

VWELX

• 1D: -0.77%
• 1M: -1.29%
• 6M: 4.49%
• YTD: 5.15%
• 1Y: 14.17%
• 3Y*: 13.78%
• 5Y*: 8.11%
• 10Y*: 9.74%
• ALL TIME*: 9.39%

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

COWZ vs. VWELX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COWZ Pacer US Cash Cows 100 ETF	8.02%	8.98%	10.64%	14.73%	0.19%	42.57%	11.65%	23.41%	-10.05%	20.22%
VWELX Vanguard Wellington Fund Investor Shares	5.15%	16.54%	14.73%	14.29%	-14.36%	18.99%	10.57%	22.51%	-3.43%	13.98%

Correlation

The correlation between COWZ and VWELX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (All Time) Calculated using the full available price history since Dec 19, 2016	0.71

Over the past year, the correlation between COWZ and VWELX has dropped to 0.40 - well below their long-term average of 0.71, suggesting their price drivers have been diverging.

Return for Risk

COWZ vs. VWELX — Risk / Return Rank

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

COWZ

COWZ Risk / Return Rank: 69
COWZ Sharpe Ratio Rank: 66
COWZ Sortino Ratio Rank: 70
COWZ Omega Ratio Rank: 63
COWZ Calmar Ratio Rank: 80
COWZ Martin Ratio Rank: 66

VWELX

VWELX Risk / Return Rank: 49
VWELX Sharpe Ratio Rank: 48
VWELX Sortino Ratio Rank: 47
VWELX Omega Ratio Rank: 47
VWELX Calmar Ratio Rank: 45
VWELX Martin Ratio Rank: 59

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.

COWZ vs. VWELX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pacer US Cash Cows 100 ETF (COWZ) and Vanguard Wellington Fund Investor Shares (VWELX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	COWZ	VWELX	Difference
Sharpe ratio: Return per unit of total volatility	1.61	1.59	+0.02
Sortino ratio: Return per unit of downside risk	2.38	2.24	+0.15
Omega ratio: Gain probability vs. loss probability	1.28	1.29	-0.01
Calmar ratio: Return relative to maximum drawdown	3.10	2.12	+0.98
Martin ratio: Return relative to average drawdown	8.70	9.34	-0.64

COWZ vs. VWELX - Sharpe Ratio Comparison

The current COWZ Sharpe Ratio is 1.61, which is comparable to the VWELX Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of COWZ and VWELX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

COWZ vs. VWELX - Drawdown Comparison

The maximum COWZ drawdown since its inception was -38.63%, which is greater than VWELX's maximum drawdown of -36.12%. Use the drawdown chart below to compare losses from any high point for COWZ and VWELX.

Drawdown Indicators

	COWZ	VWELX	Difference
Max Drawdown Largest peak-to-trough decline	-38.63%	-36.12%	-2.51%
Max Drawdown (1Y) Largest decline over 1 year	-5.95%	-6.78%	+0.83%
Max Drawdown (3Y) Largest decline over 3 years	-22.00%	-11.98%	-10.02%
Max Drawdown (5Y) Largest decline over 5 years	-22.00%	-20.88%	-1.12%
Max Drawdown (10Y) Largest decline over 10 years	—	-25.33%	—
Current Drawdown Current decline from peak	-1.06%	-1.83%	+0.77%
Average Drawdown Average peak-to-trough decline	-4.78%	-3.92%	-0.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.12%	1.54%	+0.58%

Volatility

COWZ vs. VWELX - Volatility Comparison

Pacer US Cash Cows 100 ETF (COWZ) has a higher volatility of 3.90% compared to Vanguard Wellington Fund Investor Shares (VWELX) at 2.58%. This indicates that COWZ's price experiences larger fluctuations and is considered to be riskier than VWELX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COWZ	VWELX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.90%	2.58%	+1.32%
Volatility (6M) Calculated over the trailing 6-month period	8.09%	7.52%	+0.57%
Volatility (1Y) Calculated over the trailing 1-year period	11.51%	9.07%	+2.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.63%	11.24%	+6.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.86%	11.53%	+8.33%

COWZ vs. VWELX - Expense Ratio Comparison

COWZ has a 0.49% expense ratio, which is higher than VWELX's 0.24% expense ratio.

Dividends

COWZ vs. VWELX - Dividend Comparison

COWZ's dividend yield for the trailing twelve months is around 1.91%, less than VWELX's 11.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COWZ Pacer US Cash Cows 100 ETF	1.91%	2.19%	1.82%	1.92%	1.96%	1.48%	2.54%	1.96%	1.67%	1.95%	0.13%	0.00%
VWELX Vanguard Wellington Fund Investor Shares	11.00%	11.46%	10.76%	6.01%	8.19%	8.64%	7.77%	4.67%	9.49%	5.82%	4.44%	7.03%

Frequently Asked Questions

Can I hold both COWZ and VWELX in my portfolio?

COWZ and VWELX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COWZ or VWELX?

COWZ has higher volatility (3.90%) compared to VWELX (2.58%). In terms of maximum drawdown, COWZ dropped -38.63% vs VWELX's -36.12%.

Which has better risk-adjusted returns?

COWZ currently has the higher Sharpe Ratio (1.61 vs 1.59), 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.