TIBIX
Thornburg Investment Income Builder Fund Class I
Mutual fund
$37.54+0.20 (+0.54%)Close Oct 2, 2026
Adjusted price
+23.11% total return, past year
Key statistics
- Net assets
- $23.2B
- Expense ratio
- 0.91%
- Share classes
- 7
- 52-week range
- $31.44$39.21
- From all-time high
- −4.26%
- Max drawdown
- −47.85%
- Volatility
- 13.06%
- Sharpe ratio
- 0.81
- Beta (5Y monthly)
- 0.52
Returns
Total
- 1M
- −2.4%
- YTD
- +15.8%
- 1Y
- +23.1%
Per year
- 3Y
- +25.4%
- 5Y
- +16.2%
- 10Y
- +12.1%
- 20Y
- +9.3%
- Since 2003
- +10.2%
Fund facts
As of Jun 30, 2026- Holdings
- 328
- Top 10 holdings
- 44.8%
- Stocks
- 86.1%
- Funds
- 7.5%
- Bonds
- 5.9%
Sectors
- Financials
- 20.6%
- Communication Services
- 19.0%
- Information Technology
- 8.6%
- Energy
- 6.7%
- Health Care
- 6.3%
- Other
- 18.8%
- Not classified
- 6.3%
Annual returns
2003 from Nov 3 · 2026 through Oct 2