THGIX Performance — Thornburg International Growth Fund, Class R6
Data updated: 2026-10-01
THGIX returned +12.64% year to date and +13.18% over one year to Jun 2026. Annualised returns are +9.79% over 3 years and +1.13% over 5 years. The fund trailed its International Large Growth category average: $100 invested three years ago grew to $132, against $139 for the category, and to $113 over one year, against $113. Volatility over the past three years was 14.13% a year. In the 12 months to Jun 2026 the fund lost a net $105.4M, and assets reached $706.52M.
THGIX Growth of $100
What $100 invested in Thornburg International Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Large Growth category average over the same months.
| Period | THGIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $113 | $113 |
| 3 years (Jul 2023 – Jun 2026) | $132 | $139 |
| 5 years (Jul 2021 – Jun 2026) | $106 | $118 |
| Since data start (Jul 2019 – Jun 2026) | $157 | $178 |
THGIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +12.64% |
| 1 year | +13.18% |
| 3 years (annualised) | +9.79% |
| 5 years (annualised) | +1.13% |
THGIX Annual Returns
Calendar-year total returns of Thornburg International Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +12.64% |
| 2025 | +10.74% |
| 2024 | +2.52% |
| 2023 | +18.54% |
| 2022 | −25.96% |
| 2021 | −4.08% |
| 2020 | +34.46% |
| 2019 (Jul–Dec) | +8.13% |
THGIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +3.2% | +0.9% | −7.2% | +9.0% | +4.3% | +2.6% | — | — | — | — | — | — |
| 2025 | +3.9% | −0.1% | −4.7% | +4.2% | +4.4% | +2.5% | −0.7% | +1.8% | +0.9% | +1.0% | −3.8% | +1.3% |
| 2024 | +1.5% | +4.5% | +3.0% | −4.2% | +3.8% | +1.5% | −1.8% | +4.0% | −0.1% | −5.8% | −0.1% | −3.2% |
| 2023 | +9.7% | −2.9% | +5.0% | +0.9% | −2.4% | +4.0% | +1.6% | −3.6% | −5.9% | −3.4% | +11.1% | +4.7% |
| 2022 | −8.1% | −4.7% | −2.7% | −7.5% | −0.5% | −8.2% | +6.8% | −5.0% | −10.4% | +2.5% | +14.3% | −3.5% |
| 2021 | −0.4% | +0.1% | −3.0% | +5.1% | −1.5% | +1.6% | −0.5% | +2.6% | −6.4% | +3.3% | −6.6% | +2.2% |
| 2020 | +0.3% | −4.7% | −10.8% | +9.3% | +9.4% | +5.4% | +8.1% | +4.6% | −1.0% | −1.5% | +7.7% | +5.1% |
| 2019 | — | — | — | — | — | — | +0.3% | −1.9% | −0.7% | +3.3% | +2.5% | +4.5% |
THGIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 14.13%
- 3-year Sharpe ratio: 0.37 (vs 4.5% risk-free rate)
- Best month: +11.07% (Nov 2023)
- Worst month: −7.24% (Mar 2026)
THGIX Fund Flows
Monthly money in and out of Thornburg International Growth Fund, from SEC Form N-PORT.
- 12-month net flow: −$105.4M
- 12-month gross sales (incl. reinvestments): $62.5M
- Sales ÷ redemptions: 0.37×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $3.3M | $10.1M | −$6.8M |
| May 2026 | $2.9M | $14.3M | −$11.4M |
| Apr 2026 | $3.0M | $12.3M | −$9.3M |
| Mar 2026 | $4.7M | $24.4M | −$19.7M |
| Feb 2026 | $3.5M | $12.1M | −$8.5M |
| Jan 2026 | $6.1M | $16.8M | −$10.7M |
| Dec 2025 | $9.9M | $12.1M | −$2.3M |
| Nov 2025 | $10.2M | $15.4M | −$5.2M |
| Oct 2025 | $4.3M | $10.8M | −$6.4M |
| Sep 2025 | $5.0M | $16.1M | −$11.1M |
| Aug 2025 | $4.5M | $10.7M | −$6.2M |
| Jul 2025 | $5.0M | $12.8M | −$7.8M |
THGIX Assets Under Management
Net assets of Thornburg International Growth Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $706.52M |
| 2026-03-31 | $630.84M |
| 2025-12-31 | $692.54M |
| 2025-09-30 | $725.41M |
| 2025-06-30 | $735.55M |
| 2025-03-31 | $690.35M |
| 2024-12-31 | $745.70M |
| 2024-09-30 | $881.82M |
| 2024-06-30 | $891.78M |
| 2024-03-31 | $909.41M |
| 2023-12-31 | $877.37M |
| 2023-09-30 | $820.50M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.