GMDZX Performance — Medium-Duration Bond Fund, Investor Class
Data updated: 2026-08-27
GMDZX returned +0.63% year to date and +4.32% over one year to Jun 2026. Annualised returns are +4.55% over 3 years and −0.13% over 5 years. Against its Intermediate Core Bond category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $114, against $115 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.81% a year. In the 12 months to Jun 2026 the fund took in a net $622.3M, and assets reached $3.84B.
GMDZX Growth of $100
What $100 invested in Medium-Duration Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | GMDZX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $114 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $99 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $109 | $112 |
GMDZX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.63% |
| 1 year | +4.32% |
| 3 years (annualised) | +4.55% |
| 5 years (annualised) | −0.13% |
GMDZX Annual Returns
Calendar-year total returns of Medium-Duration Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.63% |
| 2025 | +7.87% |
| 2024 | +1.61% |
| 2023 | +6.00% |
| 2022 | −14.89% |
| 2021 | −2.27% |
| 2020 | +8.83% |
| 2019 (Jul–Dec) | +2.76% |
GMDZX 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% | +1.5% | −2.1% | +0.4% | +0.3% | +0.4% | — | — | — | — | — | — |
| 2025 | +0.7% | +2.2% | −0.2% | +0.1% | −0.5% | +1.7% | −0.1% | +1.3% | +1.1% | +0.7% | +0.6% | 0.0% |
| 2024 | −0.2% | −1.4% | +1.0% | −2.6% | +1.9% | +0.8% | +2.4% | +1.3% | +1.4% | −2.5% | +1.2% | −1.6% |
| 2023 | +3.4% | −2.6% | +2.2% | +0.6% | −1.0% | −0.2% | +0.2% | −0.8% | −2.8% | −1.8% | +4.7% | +4.1% |
| 2022 | −2.2% | −1.7% | −3.5% | −4.1% | +0.4% | −2.1% | +2.6% | −2.6% | −4.7% | −1.4% | +3.9% | −0.4% |
| 2021 | −0.9% | −2.1% | −1.1% | +1.0% | +0.3% | +0.8% | +1.1% | −0.1% | −0.9% | −0.3% | +0.1% | 0.0% |
| 2020 | +2.0% | +1.4% | −2.7% | +2.8% | +1.3% | +1.1% | +1.9% | −0.4% | −0.2% | −0.5% | +1.6% | +0.3% |
| 2019 | — | — | — | — | — | — | +0.1% | +2.6% | −0.3% | +0.5% | −0.3% | +0.2% |
GMDZX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 5.81%
- 3-year Sharpe ratio: 0.01 (vs 4.5% risk-free rate)
- Best month: +4.74% (Nov 2023)
- Worst month: −2.82% (Sep 2023)
GMDZX Fund Flows
Monthly money in and out of Medium-Duration Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $622.3M
- 12-month gross sales (incl. reinvestments): $990.3M
- Sales ÷ redemptions: 2.69×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $58.6M | $20.4M | $38.2M |
| May 2026 | $121.9M | $9.9M | $112.0M |
| Apr 2026 | $95.4M | $47.9M | $47.5M |
| Mar 2026 | $68.1M | $74.4M | −$6.2M |
| Feb 2026 | $64.9M | $31.9M | $33.0M |
| Jan 2026 | $109.7M | $27.8M | $81.9M |
| Dec 2025 | $75.5M | $25.4M | $50.1M |
| Nov 2025 | $53.8M | $53.5M | $354K |
| Oct 2025 | $68.0M | $20.9M | $47.0M |
| Sep 2025 | $57.4M | $20.1M | $37.3M |
| Aug 2025 | $49.2M | $26.3M | $22.9M |
| Jul 2025 | $167.8M | $9.7M | $158.1M |
GMDZX Assets Under Management
Net assets of Medium-Duration Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $3.84B |
| 2026-03-31 | $3.64B |
| 2025-12-31 | $3.59B |
| 2025-09-30 | $3.48B |
| 2025-06-30 | $3.22B |
| 2025-03-31 | $3.02B |
| 2024-12-31 | $2.79B |
| 2024-09-30 | $2.82B |
| 2024-06-28 | $2.63B |
| 2024-03-28 | $2.66B |
| 2023-12-29 | $2.46B |
| 2023-09-29 | $2.08B |
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.