Thornburg Investment Income Builder Fund (TIBAX)

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The chart shows the growth of an initial investment of $10,000 in Thornburg Investment Income Builder Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

Thornburg Investment Income Builder Fund (TIBAX) has returned 7.98% so far this year and 35.77% over the past 12 months. Over the last ten years, TIBAX has had an annualized return of 11.70%, just under the S&P 500 Index benchmark’s 12.16%.

Based on dividend-adjusted daily data since Dec 24, 2002, TIBAX's average daily return is +0.04%, while the average monthly return is +0.86%. At this rate, your investment would double in approximately 6.7 years.

Historically, 64% of months were positive and 36% were negative. The best month was Nov 2020 with a return of +13.7%, while the worst month was Mar 2020 at -18.8%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 7 months.

On a daily basis, TIBAX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +8.4%, while the worst single day was Mar 16, 2020 at -11.7%.

Thornburg Investment Income Builder Fund has an annualized alpha of 4.51%, beta of 0.59, and R² of 0.71 versus S&P 500 Index. Calculated based on daily prices since December 26, 2002.

• This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (78.05%) than losses (68.44%) — typical of diversified or defensive assets.
• This fund generated an annualized alpha of 4.51% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
• Beta of 0.59 indicates this fund moves significantly less than S&P 500 Index — a genuinely defensive profile with reduced participation in both market rallies and downturns.

TIBAX has a high expense ratio of 1.14%, indicating above-average management fees.

TIBAX ranks 98 for risk / return — in the top 98% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.

The table below present risk-adjusted performance metrics for Thornburg Investment Income Builder Fund (TIBAX) and compare them to a chosen benchmark (S&P 500 Index).

Thornburg Investment Income Builder Fund provided a 5.30% dividend yield over the last twelve months, with an annual payout of $1.87 per share. The fund has been increasing its distributions for 2 consecutive years.

The table displays the monthly dividend distributions for Thornburg Investment Income Builder Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the Thornburg Investment Income Builder Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Thornburg Investment Income Builder Fund was 49.12%, occurring on Mar 9, 2009. Recovery took 525 trading sessions.

The current Thornburg Investment Income Builder Fund drawdown is 5.13%.

The chart below shows the rolling one-month volatility.