VSEMX Performance — Vanguard Extended Market Index Fund, Institutional Select Shares
Data updated: 2026-08-28
VSEMX returned +9.91% over one year to Jul 2025. Over one year the fund beat its US Mid-Cap Blend category average: $100 grew to $110, against $106 for the category. Volatility over the past 12 months was 20.59% a year. In the 12 months to Jun 2026 the fund lost a net $37.0B, and assets reached $97.70B.
VSEMX Growth of $100
What $100 invested in Vanguard Extended Market Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Blend category average over the same months.
| Period | VSEMX | Category average |
|---|---|---|
| 1 year (Aug 2024 – Jul 2025) | $110 | $106 |
| 3 years (Aug 2022 – Jul 2025) | $140 | $131 |
| 5 years (Aug 2020 – Jul 2025) | $166 | $169 |
| Since data start (Jul 2019 – Jul 2025) | $177 | $173 |
VSEMX Trailing Returns
Total returns to Jul 2025, from SEC N-PORT.
| Period | Total return |
|---|---|
| 1 year | +9.91% |
3- and 5-year figures withheld: disagrees with sibling classes.
VSEMX Annual Returns
Calendar-year total returns of Vanguard Extended Market Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2025 (Jan–Jul) | +3.12% |
| 2024 | +16.96% |
| 2023 | +25.44% |
| 2022 | −26.44% |
| 2021 | +12.50% |
| 2020 | +32.27% |
| 2019 (Jul–Dec) | +7.16% |
VSEMX 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | +5.0% | −5.8% | −7.9% | −0.8% | +7.2% | +5.4% | +0.9% | — | — | — | — | — |
| 2024 | −2.4% | +6.0% | +3.3% | −6.5% | +3.4% | −0.1% | +6.2% | +0.2% | +1.6% | +0.6% | +12.0% | −7.0% |
| 2023 | +10.8% | −1.6% | −2.9% | −2.2% | +0.5% | +8.3% | +5.9% | −4.0% | −4.9% | −6.2% | +11.2% | +10.4% |
| 2022 | −10.1% | 0.0% | +0.9% | −10.6% | −2.2% | −9.3% | +10.3% | −2.1% | −9.9% | +8.6% | +3.6% | −6.5% |
| 2021 | +2.9% | +5.2% | −0.4% | +4.2% | −0.7% | +3.5% | −1.2% | +2.0% | −4.0% | +5.4% | −5.0% | +0.6% |
| 2020 | −0.6% | −8.0% | −21.3% | +15.8% | +8.8% | +4.1% | +5.7% | +7.2% | −3.0% | +0.5% | +18.3% | +7.2% |
| 2019 | — | — | — | — | — | — | +1.6% | −4.2% | +1.0% | +1.9% | +4.6% | +2.2% |
VSEMX Risk
Risk measures from monthly returns over Aug 2024 – Jul 2025.
- 1-year volatility (annualised): 20.59%
- Best month: +11.96% (Nov 2024)
- Worst month: −7.93% (Mar 2025)
VSEMX Fund Flows
Monthly money in and out of Vanguard Extended Market Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$37.0B
- 12-month gross sales (incl. reinvestments): $26.7B
- Sales ÷ redemptions: 0.42×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $4.5B | $4.4B | $40.8M |
| May 2026 | $732.4M | $877.8M | −$145.4M |
| Apr 2026 | $1.5B | $1.3B | $253.9M |
| Mar 2026 | $3.4B | $2.8B | $589.8M |
| Feb 2026 | $1.6B | $1.6B | $30.6M |
| Jan 2026 | $923.3M | $951.3M | −$28.0M |
| Dec 2025 | $3.5B | $4.0B | −$499.1M |
| Nov 2025 | $916.0M | $1.1B | −$154.4M |
| Oct 2025 | $578.4M | $1.3B | −$688.8M |
| Sep 2025 | $4.2B | $3.5B | $631.1M |
| Aug 2025 | $1.0B | $1.6B | −$621.1M |
| Jul 2025 | $3.9B | $40.3B | −$36.4B |
VSEMX Assets Under Management
Net assets of Vanguard Extended Market Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $97.70B |
| 2026-03-31 | $81.50B |
| 2025-12-31 | $82.23B |
| 2025-09-30 | $83.65B |
| 2025-06-30 | $113.03B |
| 2025-03-31 | $101.60B |
| 2024-12-31 | $111.25B |
| 2024-09-30 | $107.29B |
| 2024-06-30 | $99.64B |
| 2024-03-31 | $103.51B |
| 2023-12-31 | $97.31B |
| 2023-09-30 | $84.50B |
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.