FAOOX vs. AIVSX

Last updated Jun 27, 2026

FAOOX (American Funds Investment Company of America Class 529-F-3) and AIVSX (American Funds Investment Company of America Class A) are both Large Cap Blend Equities funds from American Funds. Over the past 5 years, FAOOX returned 14.41%/yr vs 14.14%/yr for AIVSX. With a 0.98 correlation, they move nearly in lockstep. FAOOX charges 0.32%/yr vs 0.55%/yr for AIVSX.

Performance

FAOOX vs. AIVSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Investment Company of America Class 529-F-3 (FAOOX) and American Funds Investment Company of America Class A (AIVSX). 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 FAOOX having a 7.96% return and AIVSX slightly lower at 7.86%.

FAOOX

• 1D: -0.06%
• 1M: -1.46%
• YTD: 7.96%
• 6M: 7.01%
• 1Y: 18.89%
• 3Y*: 23.01%
• 5Y*: 14.41%
• 10Y*: —

AIVSX

• 1D: -0.06%
• 1M: -1.47%
• YTD: 7.86%
• 6M: 6.89%
• 1Y: 18.63%
• 3Y*: 22.73%
• 5Y*: 14.14%
• 10Y*: 14.44%

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

FAOOX vs. AIVSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FAOOX American Funds Investment Company of America Class 529-F-3	7.96%	20.77%	25.21%	28.87%	-15.29%	25.39%	3.86%
AIVSX American Funds Investment Company of America Class A	7.86%	20.47%	24.90%	28.56%	-15.50%	25.10%	4.81%

Correlation

The correlation between FAOOX and AIVSX is 1.00 - 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	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (All Time) Calculated using the full available price history since Nov 23, 2020	0.98

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

Return for Risk

FAOOX vs. AIVSX — Risk / Return Rank

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

FAOOX

FAOOX Risk / Return Rank: 41
FAOOX Sharpe Ratio Rank: 40
FAOOX Sortino Ratio Rank: 37
FAOOX Omega Ratio Rank: 39
FAOOX Calmar Ratio Rank: 37
FAOOX Martin Ratio Rank: 49

AIVSX

AIVSX Risk / Return Rank: 42
AIVSX Sharpe Ratio Rank: 41
AIVSX Sortino Ratio Rank: 39
AIVSX Omega Ratio Rank: 41
AIVSX Calmar Ratio Rank: 39
AIVSX Martin Ratio Rank: 50

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.

FAOOX vs. AIVSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Investment Company of America Class 529-F-3 (FAOOX) and American Funds Investment Company of America Class A (AIVSX). 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.

	FAOOX	AIVSX	Difference
Sharpe ratio: Return per unit of total volatility	1.54	1.52	+0.02
Sortino ratio: Return per unit of downside risk	2.15	2.12	+0.03
Omega ratio: Gain probability vs. loss probability	1.28	1.28	0.00
Calmar ratio: Return relative to maximum drawdown	2.02	1.98	+0.04
Martin ratio: Return relative to average drawdown	8.85	8.68	+0.17

FAOOX vs. AIVSX - Sharpe Ratio Comparison

The current FAOOX Sharpe Ratio is 1.54, which is comparable to the AIVSX Sharpe Ratio of 1.52. The chart below compares the historical Sharpe Ratios of FAOOX and AIVSX, 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

FAOOX vs. AIVSX - Drawdown Comparison

The maximum FAOOX drawdown since its inception was -24.17%, smaller than the maximum AIVSX drawdown of -50.90%. Use the drawdown chart below to compare losses from any high point for FAOOX and AIVSX.

Drawdown Indicators

	FAOOX	AIVSX	Difference
Max Drawdown Largest peak-to-trough decline	-24.17%	-50.90%	+26.73%
Max Drawdown (1Y) Largest decline over 1 year	-10.04%	-10.08%	+0.04%
Max Drawdown (3Y) Largest decline over 3 years	-17.37%	-17.40%	+0.03%
Max Drawdown (5Y) Largest decline over 5 years	-24.17%	-24.31%	+0.14%
Max Drawdown (10Y) Largest decline over 10 years	—	-31.09%	—
Current Drawdown Current decline from peak	-2.74%	-2.75%	+0.01%
Average Drawdown Average peak-to-trough decline	-4.51%	-5.90%	+1.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.29%	2.30%	-0.01%

Volatility

FAOOX vs. AIVSX - Volatility Comparison

American Funds Investment Company of America Class 529-F-3 (FAOOX) and American Funds Investment Company of America Class A (AIVSX) have volatilities of 5.09% and 5.09%, 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

	FAOOX	AIVSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.09%	5.09%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	10.53%	10.53%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	13.16%	13.16%	0.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.13%	16.12%	+0.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.82%	16.59%	-0.77%

FAOOX vs. AIVSX - Expense Ratio Comparison

FAOOX has a 0.32% expense ratio, which is lower than AIVSX's 0.55% expense ratio.

Dividends

FAOOX vs. AIVSX - Dividend Comparison

FAOOX's dividend yield for the trailing twelve months is around 9.53%, more than AIVSX's 9.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AIVSX American Funds Investment Company of America Class A	9.29%	10.60%	9.29%	4.96%	6.12%	6.94%	1.65%	6.15%	9.61%	7.08%	5.48%	8.95%
FAOOX American Funds Investment Company of America Class 529-F-3	9.53%	10.84%	9.53%	5.20%	6.39%	7.18%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FAOOX and AIVSX in my portfolio?

With a correlation of 1.00, FAOOX and AIVSX 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, FAOOX or AIVSX?

AIVSX has higher volatility (5.09%) compared to FAOOX (5.09%). In terms of maximum drawdown, FAOOX dropped -24.17% vs AIVSX's -50.90%.

Which has better risk-adjusted returns?

FAOOX currently has the higher Sharpe Ratio (1.54 vs 1.52), 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.