SENAX vs. VOO

Last updated Jun 23, 2026

SENAX (Allspring Discovery Mid Cap Growth Fund) and VOO (Vanguard S&P 500 ETF) are both funds - SENAX is a Mid Cap Growth Equities fund managed by Allspring Global Investments, while VOO is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, SENAX returned 11.65%/yr vs 15.77%/yr for VOO. Their correlation of 0.84 suggests significant overlap in exposure. SENAX charges 1.18%/yr vs 0.03%/yr for VOO.

Performance

SENAX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Discovery Mid Cap Growth Fund (SENAX) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SENAX achieves a 8.48% return, which is significantly lower than VOO's 9.75% return. Over the past 10 years, SENAX has underperformed VOO with an annualized return of 11.65%, while VOO has yielded a comparatively higher 15.77% annualized return.

SENAX

• 1D: 1.42%
• 1M: 4.38%
• YTD: 8.48%
• 6M: 5.85%
• 1Y: 15.85%
• 3Y*: 16.13%
• 5Y*: 1.36%
• 10Y*: 11.65%

VOO

• 1D: -0.29%
• 1M: 0.08%
• YTD: 9.75%
• 6M: 9.30%
• 1Y: 26.77%
• 3Y*: 21.36%
• 5Y*: 13.58%
• 10Y*: 15.77%

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

SENAX vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SENAX Allspring Discovery Mid Cap Growth Fund	8.48%	13.41%	19.25%	24.00%	-41.92%	2.58%	57.96%	40.64%	-5.97%	28.54%
VOO Vanguard S&P 500 ETF	9.75%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between SENAX and VOO is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.84

The correlation between SENAX and VOO has been stable across timeframes, ranging from 0.81 to 0.84 - a consistent structural relationship.

Return for Risk

SENAX vs. VOO — Risk / Return Rank

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

SENAX

SENAX Risk / Return Rank: 12
SENAX Sharpe Ratio Rank: 10
SENAX Sortino Ratio Rank: 11
SENAX Omega Ratio Rank: 9
SENAX Calmar Ratio Rank: 13
SENAX Martin Ratio Rank: 15

VOO

VOO Risk / Return Rank: 68
VOO Sharpe Ratio Rank: 70
VOO Sortino Ratio Rank: 67
VOO Omega Ratio Rank: 69
VOO Calmar Ratio Rank: 63
VOO Martin Ratio Rank: 74

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.

SENAX vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Discovery Mid Cap Growth Fund (SENAX) and Vanguard S&P 500 ETF (VOO). 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.

	SENAX	VOO	Difference
Sharpe ratio: Return per unit of total volatility	0.78	2.17	-1.40
Sortino ratio: Return per unit of downside risk	1.21	2.93	-1.72
Omega ratio: Gain probability vs. loss probability	1.14	1.39	-0.25
Calmar ratio: Return relative to maximum drawdown	1.13	3.02	-1.89
Martin ratio: Return relative to average drawdown	3.94	13.58	-9.64

SENAX vs. VOO - Sharpe Ratio Comparison

The current SENAX Sharpe Ratio is 0.78, which is lower than the VOO Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of SENAX and VOO, 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

SENAX vs. VOO - Drawdown Comparison

The maximum SENAX drawdown since its inception was -58.34%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for SENAX and VOO.

Drawdown Indicators

	SENAX	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-58.34%	-33.99%	-24.35%
Max Drawdown (1Y) Largest decline over 1 year	-13.59%	-8.90%	-4.69%
Max Drawdown (3Y) Largest decline over 3 years	-27.44%	-18.69%	-8.75%
Max Drawdown (5Y) Largest decline over 5 years	-55.14%	-24.52%	-30.62%
Max Drawdown (10Y) Largest decline over 10 years	-55.14%	-33.99%	-21.15%
Current Drawdown Current decline from peak	-12.48%	-1.74%	-10.74%
Average Drawdown Average peak-to-trough decline	-17.70%	-3.68%	-14.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.90%	1.98%	+1.92%

Volatility

SENAX vs. VOO - Volatility Comparison

Allspring Discovery Mid Cap Growth Fund (SENAX) has a higher volatility of 6.76% compared to Vanguard S&P 500 ETF (VOO) at 4.60%. This indicates that SENAX's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SENAX	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.76%	4.60%	+2.16%
Volatility (6M) Calculated over the trailing 6-month period	16.29%	9.73%	+6.56%
Volatility (1Y) Calculated over the trailing 1-year period	19.81%	12.39%	+7.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.86%	16.90%	+11.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.89%	18.05%	+7.84%

SENAX vs. VOO - Expense Ratio Comparison

SENAX has a 1.18% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

SENAX vs. VOO - Dividend Comparison

SENAX's dividend yield for the trailing twelve months is around 11.12%, more than VOO's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SENAX Allspring Discovery Mid Cap Growth Fund	11.12%	12.06%	10.88%	2.46%	0.00%	17.81%	9.16%	6.59%	15.14%	11.23%	4.58%	8.37%
VOO Vanguard S&P 500 ETF	1.04%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both SENAX and VOO in my portfolio?

SENAX and VOO have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SENAX or VOO?

SENAX has higher volatility (6.76%) compared to VOO (4.60%). In terms of maximum drawdown, SENAX dropped -58.34% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.17 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.