VFIIX Performance — Vanguard GNMA Fund, Investor Shares
Data updated: 2026-09-28
VFIIX returned +0.11% year to date and +4.07% over one year to Jul 2026. Annualised returns are +4.04% over 3 years and +0.28% over 5 years. Against its Intermediate Securitized Bond category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $113, against $115 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.93% a year. In the 12 months to Jul 2026 the fund lost a net $411.3M, and assets reached $10.70B.
VFIIX Growth of $100
What $100 invested in Vanguard GNMA Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Securitized Bond category average over the same months.
| Period | VFIIX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $104 | $104 |
| 3 years (Aug 2023 – Jul 2026) | $113 | $115 |
| 5 years (Aug 2021 – Jul 2026) | $101 | $103 |
| Since data start (Aug 2019 – Jul 2026) | $106 | $111 |
VFIIX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.11% |
| 1 year | +4.07% |
| 3 years (annualised) | +4.04% |
| 5 years (annualised) | +0.28% |
VFIIX Annual Returns
Calendar-year total returns of Vanguard GNMA Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.11% |
| 2025 | +7.72% |
| 2024 | +1.06% |
| 2023 | +5.15% |
| 2022 | −10.82% |
| 2021 | −1.12% |
| 2020 | +3.73% |
| 2019 (Aug–Dec) | +1.53% |
VFIIX 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 | +0.5% | +1.7% | −1.6% | +0.3% | +0.1% | +0.3% | −1.2% | — | — | — | — | — |
| 2025 | +0.6% | +2.2% | +0.1% | +0.3% | −0.8% | +1.5% | −0.3% | +1.6% | +1.0% | +0.7% | +0.6% | 0.0% |
| 2024 | −0.5% | −1.5% | +0.9% | −2.8% | +1.9% | +1.1% | +2.4% | +1.4% | +1.1% | −2.6% | +1.1% | −1.3% |
| 2023 | +3.0% | −2.5% | +2.2% | +0.7% | −1.0% | −0.5% | 0.0% | −0.7% | −2.8% | −2.0% | +4.8% | +4.2% |
| 2022 | −1.1% | −0.6% | −2.6% | −3.4% | +1.1% | −1.6% | +3.0% | −2.9% | −5.1% | −1.0% | +3.8% | −0.7% |
| 2021 | −0.1% | −0.3% | −0.3% | +0.4% | −0.3% | −0.1% | +0.3% | 0.0% | −0.2% | −0.3% | +0.1% | −0.3% |
| 2020 | +0.5% | +1.0% | +1.5% | +0.6% | +0.1% | −0.1% | −0.2% | 0.0% | −0.1% | −0.1% | +0.1% | +0.4% |
| 2019 | — | — | — | — | — | — | — | +1.1% | 0.0% | +0.3% | +0.1% | 0.0% |
VFIIX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 5.93%
- 3-year Sharpe ratio: -0.08 (vs 4.5% risk-free rate)
- Best month: +4.83% (Nov 2023)
- Worst month: −2.80% (Sep 2023)
VFIIX Fund Flows
Monthly money in and out of Vanguard GNMA Fund, from SEC Form N-PORT.
- 12-month net flow: −$411.3M
- 12-month gross sales (incl. reinvestments): $1.6B
- Sales ÷ redemptions: 0.80×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $102.5M | $135.0M | −$32.4M |
| Jun 2026 | $102.2M | $151.8M | −$49.6M |
| May 2026 | $166.7M | $186.5M | −$19.8M |
| Apr 2026 | $94.8M | $167.1M | −$72.3M |
| Mar 2026 | $172.2M | $162.3M | $9.9M |
| Feb 2026 | $138.1M | $158.0M | −$19.9M |
| Jan 2026 | $136.1M | $228.2M | −$92.1M |
| Dec 2025 | $132.2M | $208.5M | −$76.3M |
| Nov 2025 | $213.5M | $221.6M | −$8.1M |
| Oct 2025 | $136.7M | $151.8M | −$15.0M |
| Sep 2025 | $110.1M | $127.6M | −$17.5M |
| Aug 2025 | $94.5M | $112.6M | −$18.2M |
VFIIX Assets Under Management
Net assets of Vanguard GNMA Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $10.70B |
| 2026-04-30 | $11.00B |
| 2026-01-31 | $11.14B |
| 2025-10-31 | $11.29B |
| 2025-07-31 | $11.08B |
| 2025-04-30 | $11.04B |
| 2025-01-31 | $14.00B |
| 2024-10-31 | $14.33B |
| 2024-07-31 | $14.85B |
| 2024-04-30 | $14.51B |
| 2024-01-31 | $15.36B |
| 2023-10-31 | $14.52B |
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.