GAAAX Performance — GMO Opportunistic Income Fund, Class R6
Data updated: 2026-09-29
GAAAX returned +1.11% year to date and +4.63% over one year to May 2026. Annualised returns are +5.74% over 3 years and +3.78% over 5 years. The fund trailed its Short-Term Securitized Bond category average: $100 invested three years ago grew to $118, against $120 for the category, and to $105 over one year, against $105. Volatility over the past three years was 1.73% a year. In the 12 months to May 2026 the fund lost a net $7.3M, and assets reached $1.26B.
GAAAX Growth of $100
What $100 invested in GMO Opportunistic Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Securitized Bond category average over the same months.
| Period | GAAAX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $105 | $105 |
| 3 years (Jun 2023 – May 2026) | $118 | $120 |
| 5 years (Jun 2021 – May 2026) | $120 | $117 |
| Since data start (May 2021 – May 2026) | $120 | $117 |
GAAAX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.11% |
| 1 year | +4.63% |
| 3 years (annualised) | +5.74% |
| 5 years (annualised) | +3.78% |
GAAAX Annual Returns
Calendar-year total returns of GMO Opportunistic Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.11% |
| 2025 | +6.41% |
| 2024 | +5.96% |
| 2023 | +7.01% |
| 2022 | −2.18% |
| 2021 (May–Dec) | +0.93% |
GAAAX 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 | +0.2% | +0.8% | −0.3% | +0.2% | +0.1% | — | — | — | — | — | — | — |
| 2025 | +0.6% | +1.0% | +0.5% | +0.5% | +0.1% | +0.7% | +0.1% | +0.9% | +0.5% | +0.5% | +0.6% | +0.1% |
| 2024 | +0.8% | −0.1% | +0.6% | −0.4% | +1.0% | +0.9% | +1.1% | +1.0% | +0.8% | −0.5% | +0.6% | 0.0% |
| 2023 | +1.4% | −0.2% | +0.6% | +1.0% | +0.3% | −0.1% | +0.5% | +0.4% | −0.2% | 0.0% | +1.5% | +1.5% |
| 2022 | +0.1% | −0.4% | −0.8% | −0.4% | −0.3% | −0.4% | +0.5% | −0.3% | −1.4% | −0.7% | +1.2% | +0.7% |
| 2021 | — | — | — | — | 0.0% | +0.2% | +0.3% | +0.1% | +0.1% | 0.0% | +0.2% | −0.1% |
GAAAX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 1.73%
- 3-year Sharpe ratio: 0.72 (vs 4.5% risk-free rate)
- Best month: +1.54% (Dec 2023)
- Worst month: −0.49% (Oct 2024)
GAAAX Fund Flows
Monthly money in and out of GMO Opportunistic Income Fund, from SEC Form N-PORT.
- 12-month net flow: −$7.3M
- 12-month gross sales (incl. reinvestments): $583.7M
- Sales ÷ redemptions: 0.99×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $22.9M | $14.8M | $8.1M |
| Apr 2026 | $28.1M | $16.0M | $12.1M |
| Mar 2026 | $29.9M | $24.0M | $5.9M |
| Feb 2026 | $39.2M | $24.7M | $14.5M |
| Jan 2026 | $223.1M | $213.6M | $9.4M |
| Dec 2025 | $25.6M | $75.3M | −$49.8M |
| Nov 2025 | $31.8M | $53.8M | −$22.0M |
| Oct 2025 | $49.2M | $32.1M | $17.1M |
| Sep 2025 | $62.9M | $66.7M | −$3.9M |
| Aug 2025 | $25.8M | $17.1M | $8.7M |
| Jul 2025 | $18.3M | $18.6M | −$291K |
| Jun 2025 | $26.8M | $34.1M | −$7.3M |
GAAAX Assets Under Management
Net assets of GMO Opportunistic Income Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $1.26B |
| 2026-02-28 | $1.26B |
| 2025-11-30 | $1.28B |
| 2025-08-31 | $1.28B |
| 2025-05-31 | $1.28B |
| 2025-02-28 | $1.49B |
| 2024-11-30 | $1.57B |
| 2024-08-31 | $1.58B |
| 2024-05-31 | $1.39B |
| 2024-02-29 | $1.43B |
| 2023-11-30 | $1.32B |
| 2023-08-31 | $1.31B |
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.