# Vanguard Institutional Index Instl Pl (VIIIX)

> Source: Nexqual · https://nexqual.com/VIIIX · data as of 2026-10-23 12:10 UTC · cite as "Nexqual, Vanguard Institutional Index Instl Pl (VIIIX), nexqual.com/VIIIX" · informational, not investment advice.

**Price:** USD 613.66 (-1.21% today) · US market open, as of October 23, 2026 at 12:10 UTC; quotes may be delayed. Prev close 613.66 · day 613.66–613.66 · 52w 507.8–625.93 · market cap null · NAS

## Key facts
- Total return with dividends: 1Y +15.0% vs S&P 500 +14.4%; 5Y +78.4% vs S&P 500 +77.0%.

## Total return (dividends reinvested)
|  | 1Y (from 2025-10-23) | 5Y (from 2021-10-25) |
|---|---|---|
| Total return | +15.0% | +78.4% |
| S&P 500 (SPY) | +14.4% | +77.0% |
| Per year | +15.1% | +12.3% |
| Volatility (annualized) | 12.8% | 16.3% |
| Max drawdown | -8.9% (Jan 2026→Mar 2026) | -23.9% (Dec 2021→Oct 2022) |

## Peers
VEMPX (Vanguard Extended Market Index ) USD 430.3 +0.00% · VBMPX (Vanguard Total Bond Market Inst) USD 9.38 -0.00% · VBTIX (Vanguard Bond Index Fund Total ) USD 9.38 -0.00% · VIGIX (Vanguard Index Trust - Growth I) USD 268.93 +0.00% · VTPSX (Vanguard Total Intl Stock Index) USD 177.57 -0.00%

## More
Full page: https://nexqual.com/VIIIX · Free keyless MCP server with the same data and citations: https://mcp.nexqual.com/mcp · Guide for agents: https://nexqual.com/agents · https://nexqual.com/llms.txt