JNGIX vs. VIIIX

Last updated Jun 20, 2026

JNGIX (Janus Henderson Growth And Income Fund) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both mutual funds - JNGIX is a Large Cap Blend Equities fund managed by Janus Henderson, while VIIIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, JNGIX returned 14.00%/yr vs 15.65%/yr for VIIIX. Their correlation of 0.94 suggests significant overlap in exposure. JNGIX charges 0.75%/yr vs 0.02%/yr for VIIIX.

Performance

JNGIX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Growth And Income Fund (JNGIX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with JNGIX having a 10.72% return and VIIIX slightly lower at 10.19%. Over the past 10 years, JNGIX has underperformed VIIIX with an annualized return of 14.00%, while VIIIX has yielded a comparatively higher 15.65% annualized return.

JNGIX

• 1D: 1.07%
• 1M: 3.82%
• YTD: 10.72%
• 6M: 11.13%
• 1Y: 26.62%
• 3Y*: 17.85%
• 5Y*: 12.63%
• 10Y*: 14.00%

VIIIX

• 1D: 1.09%
• 1M: 0.85%
• YTD: 10.19%
• 6M: 10.40%
• 1Y: 27.18%
• 3Y*: 21.39%
• 5Y*: 14.24%
• 10Y*: 15.65%

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

JNGIX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JNGIX Janus Henderson Growth And Income Fund	10.72%	20.07%	15.26%	18.06%	-14.27%	28.97%	10.35%	27.14%	-1.96%	24.20%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	10.19%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	21.82%

Correlation

The correlation between JNGIX and VIIIX is 0.95, 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	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jul 7, 1997	0.94

The correlation between JNGIX and VIIIX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

JNGIX vs. VIIIX — Risk / Return Rank

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

JNGIX

JNGIX Risk / Return Rank: 57
JNGIX Sharpe Ratio Rank: 57
JNGIX Sortino Ratio Rank: 56
JNGIX Omega Ratio Rank: 52
JNGIX Calmar Ratio Rank: 53
JNGIX Martin Ratio Rank: 65

VIIIX

VIIIX Risk / Return Rank: 71
VIIIX Sharpe Ratio Rank: 70
VIIIX Sortino Ratio Rank: 63
VIIIX Omega Ratio Rank: 65
VIIIX Calmar Ratio Rank: 73
VIIIX Martin Ratio Rank: 82

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.

JNGIX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Growth And Income Fund (JNGIX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	JNGIX	VIIIX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	2.17	-0.17
Sortino ratio: Return per unit of downside risk	2.80	2.93	-0.13
Omega ratio: Gain probability vs. loss probability	1.35	1.39	-0.04
Calmar ratio: Return relative to maximum drawdown	2.59	3.04	-0.45
Martin ratio: Return relative to average drawdown	11.48	13.74	-2.26

JNGIX vs. VIIIX - Sharpe Ratio Comparison

The current JNGIX Sharpe Ratio is 2.00, which is comparable to the VIIIX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of JNGIX and VIIIX, 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

JNGIX vs. VIIIX - Drawdown Comparison

The maximum JNGIX drawdown since its inception was -63.66%, which is greater than VIIIX's maximum drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for JNGIX and VIIIX.

Drawdown Indicators

	JNGIX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-63.66%	-55.18%	-8.48%
Max Drawdown (1Y) Largest decline over 1 year	-10.14%	-8.90%	-1.24%
Max Drawdown (3Y) Largest decline over 3 years	-26.75%	-18.75%	-8.00%
Max Drawdown (5Y) Largest decline over 5 years	-26.75%	-24.50%	-2.25%
Max Drawdown (10Y) Largest decline over 10 years	-35.48%	-33.79%	-1.69%
Current Drawdown Current decline from peak	-0.05%	-1.36%	+1.31%
Average Drawdown Average peak-to-trough decline	-15.40%	-10.00%	-5.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.28%	1.96%	+0.32%

Volatility

JNGIX vs. VIIIX - Volatility Comparison

Janus Henderson Growth And Income Fund (JNGIX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) have volatilities of 4.62% and 4.77%, 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

	JNGIX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.62%	4.77%	-0.15%
Volatility (6M) Calculated over the trailing 6-month period	10.51%	9.91%	+0.60%
Volatility (1Y) Calculated over the trailing 1-year period	13.14%	12.47%	+0.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.69%	16.99%	+1.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.93%	18.10%	+0.83%

JNGIX vs. VIIIX - Expense Ratio Comparison

JNGIX has a 0.75% expense ratio, which is higher than VIIIX's 0.02% expense ratio.

Dividends

JNGIX vs. VIIIX - Dividend Comparison

JNGIX's dividend yield for the trailing twelve months is around 13.64%, more than VIIIX's 2.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JNGIX Janus Henderson Growth And Income Fund	13.64%	14.98%	15.34%	7.88%	6.69%	5.59%	4.22%	3.89%	7.99%	2.92%	7.88%	9.59%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.44%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%

Frequently Asked Questions

Can I hold both JNGIX and VIIIX in my portfolio?

With a correlation of 0.95, JNGIX and VIIIX 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, JNGIX or VIIIX?

VIIIX has higher volatility (4.77%) compared to JNGIX (4.62%). In terms of maximum drawdown, JNGIX dropped -63.66% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

VIIIX currently has the higher Sharpe Ratio (2.17 vs 2.00), 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.