# Thornburg Investment Income Builder Class A (TIBAX): Mutual Fund Facts & Distributions > Markdown mirror of https://www.dividenddata.com/funds/tibax for AI agents. Same live data as the HTML page, regenerated on the same refresh cycle. Not investment advice. - Issuer: Thornburg · Asset class: Equity - Strategy: Thematic · Inception: 2002-12-24 The fund pursues its investment goals by investing in a broad range of income producing securities, primarily including stocks and bonds. It will under normal conditions invest at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in income-producing securities, and at least 50% of its net assets, plus the amount of any borrowings for investment purposes, in common stocks. ## Key Facts | Metric | Value | |---|---| | Price | $37.00 | | Expense Ratio | 1.15% | | Assets Under Management | $22.45B | | NAV | $37.00 | | Holdings Count | — | | Distribution Yield (TTM) | 3.32% | | Annual Distribution (TTM) | $1.23 /share | | Distribution Frequency | Quarterly | | 52-Week Range | $31.19 – $38.90 | | Beta | 0.77 | ## Latest Distribution - Amount: $0.3250 /share - Ex-date: 2026-09-17 - Pay date: 2026-09-17 ## Frequently Asked Questions ### What does TIBAX invest in? The fund pursues its investment goals by investing in a broad range of income producing securities, primarily including stocks and bonds. It will under normal conditions invest at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in income-producing securities, and at least 50% of its net assets, plus the amount of any borrowings for investment purposes, in common stocks. ### What is the expense ratio of TIBAX? Thornburg Investment Income Builder Class A (TIBAX) charges an expense ratio of 1.15%. This is the annual fee deducted from fund assets to cover management and operations. ### What is TIBAX's dividend yield? TIBAX's trailing-twelve-month yield is 3.32%, calculated from the sum of dividends over the past year divided by the current price. ### How big is TIBAX? Thornburg Investment Income Builder Class A (TIBAX) manages $22.45B in total assets. AUM determines bid-ask liquidity and the fund's vulnerability to closure. Funds below ~$50M are at higher risk of liquidation. ### Is TIBAX actively managed or an index fund? TIBAX's management style is described in the fund's prospectus. See the description on the Summary tab for the published strategy. ### When was TIBAX launched? Thornburg Investment Income Builder Class A (TIBAX) launched in December 2002 and is managed by Thornburg. ### Does TIBAX pay a dividend? Yes, Thornburg Investment Income Builder Class A (TIBAX) distributes dividends to shareholders. The trailing-twelve-month yield is 3.32%. Full dividend history is on this page. ### How often does TIBAX pay dividends? Thornburg Investment Income Builder Class A pays dividends Quarterly. Each ex-dividend date, record date, and payment date is listed in the dividend history table on this page. ### When is TIBAX's next ex-dividend date? The most recently announced ex-dividend date for TIBAX was 2026-09-17. The next ex-date typically follows Quarterly; once announced it appears at the top of the dividend history table on this page. ### How much will TIBAX's expense ratio cost me over 30 years? On a $10,000 investment compounding at 7% gross return, a 1.15% expense ratio quietly compounds against your balance every year. The Fee Compounding Forecast card above projects the dollar drag for any holding period and assumption you pick. The typical result for a 1.0% expense ratio on a 30-year hold is roughly 25% of the final balance lost to fees. ### How does TIBAX charge its expense ratio? The expense ratio is deducted in tiny daily slices from TIBAX's net asset value (NAV). You never see a bill. The price quoted on every exchange is already net of fees. There's no "fee day" to avoid; the cost is continuous and built into the trading price. ### Why does TIBAX cost more than a fund like VOO? TIBAX's strategy (current expense ratio 1.15%) is different from a broad-market index tracker like VOO, so its fee belongs to a different cohort. The Cost Verdict card above shows you where TIBAX sits within its own category, which is the comparison that actually matters. ### Are there cheaper alternatives to TIBAX? The Lower-Fee Alternatives card above lists mutual funds following the same investment strategy as TIBAX (1.15%) but at a lower expense ratio. Each row shows the fee gap, the peer's AUM as a liquidity sanity-check, and a direct link to that fund's analysis page. Cheaper price doesn't automatically mean better. Verify the peer holds what you actually want. ## More on Dividend Data - Overview (HTML): https://www.dividenddata.com/funds/tibax - Distribution history: https://www.dividenddata.com/funds/tibax/dividend - Holdings & diversification: https://www.dividenddata.com/funds/tibax/diversification - Fees & cheaper alternatives: https://www.dividenddata.com/funds/tibax/expenses - Peer comparison: https://www.dividenddata.com/funds/tibax/peers Data sourced from primary filings and market data providers; see https://www.dividenddata.com/methodology.