Vanguard Institutional Index Fund Institutional Plus Shares Returns Calculator
Calculate historical returns and project future compounding for Vanguard Institutional Index Plus. Test different monthly amounts, tenures, and step-up scenarios using real historical NAV performance.
Category
Large Blend (US)
AUM
$353.72 Billion
Expense Ratio
0.02%
Fund Manager
Michelle Louie & Nick Birkett
Vanguard Institutional Index Plus Historical SIP Performance & Returns Table
Historical value of standard monthly SIP investments based on actual fund CAGRs.
| Monthly SIP | 3 Years @ 22.9% CAGR | 5 Years @ 13.8% CAGR | 10 Years @ 15.3% CAGR |
|---|---|---|---|
| $100/mo | $5,202 Invested: $3,600 | $8,664 Invested: $6,000 | $28,422 Invested: $12,000 |
| $250/mo | $13,005 Invested: $9,000 | $21,661 Invested: $15,000 | $71,054 Invested: $30,000 |
| $500/mo | $26,009 Invested: $18,000 | $43,321 Invested: $30,000 | $142,109 Invested: $60,000 |
| $1,000/mo | $52,019 Invested: $36,000 | $86,642 Invested: $60,000 | $284,217 Invested: $120,000 |
| $2,500/mo | $130,047 Invested: $90,000 | $216,605 Invested: $150,000 | $710,543 Invested: $300,000 |
* Projections calculated using actual historical 3-year (22.85%), 5-year (13.77%), and 10-year (15.32%) performance data. Actual mutual fund returns fluctuate with market NAV.
About Vanguard Institutional Index Fund Institutional Plus Shares
Vanguard's elite institutional S&P 500 mutual fund share class, offering large institutional 401(k) plans and endowments rock-bottom 0.02% expense ratio exposure to America's 500 largest corporate titans.
Investment Strategy
Passive Indexing â Employs a full-replication indexing approach to mirror the market-cap weighted performance of the S&P 500 Index with near-zero tracking error.
Key Facts
- Tracks the S&P 500 Index with exact full replication
- Ultra-low 0.02% expense ratio ($2/year per $10,000 invested)
- Over $347 Billion in institutional share class assets
- $100 Million minimum outside employer-sponsored retirement plans
Historical Returns
3-Year CAGR
22.85%
5-Year CAGR
13.77%
10-Year CAGR
15.32%
Benchmark
S&P 500 Index
Historical annualized returns as of August 2026. Past performance is no guarantee of future results.
Top Holdings & Sector Allocation
As of September 2026, Vanguard Institutional Index Plus's portfolio includes:
Top 5 Holdings
- Microsoft Corp. (MSFT)
- Apple Inc. (AAPL)
- NVIDIA Corp. (NVDA)
- Amazon.com Inc. (AMZN)
- Meta Platforms Inc. (META)
Sector Allocation
Information Technology 32.4%, Financials 12.8%, Healthcare 11.5%, Consumer Discretionary 10.1%, Communication Services 9.0%, Industrials 8.4%, Consumer Staples 5.8%, Energy 3.6%, Others 6.4%
Risk & Drawdowns
Standard deviation is ~15.0% over 3 years, exhibiting 1.00 beta to S&P 500.
Experienced -33.8% drawdown in early 2020 and -23.9% in 2022.
Tax Treatment
Enjoys extreme tax efficiency through Vanguard's multiclass structure. Dividends are primarily qualified.
Who Should NOT Invest in Vanguard Institutional Index Plus?
Investors seeking fixed income stability or short-term horizons (<5 years).
About the Fund Manager
Managed by Vanguard Equity Index Group: Michelle Louie and Nick Birkett.
Who Is This Fund Suitable For?
Ideal for participants in large corporate 401(k) retirement plans, institutional pensions, and endowments seeking the lowest possible S&P 500 indexing costs.
More Funds from Vanguard & Similar Schemes
Similar Funds to Consider
- Vanguard 500 Index Fund Admiral Shares (VFIAX)
- Fidelity 500 Index Fund (FXAIX)
- Schwab S&P 500 Index Fund (SWPPX)
Or compare side by side using our main SIP calculator â you can test different funds with the same investment amount and dates to see which performed better.
Other Tools for Vanguard Institutional Index Plus Investors
- FIRE Calculator â Plan your retirement corpus with Vanguard Institutional Index Plus as part of your portfolio
- Cost of Delay Calculator â See how much delaying your SIP in Vanguard Institutional Index Plus could cost you
- SIP vs EMI Calculator â Compare investing in Vanguard Institutional Index Plus vs paying off loans
Frequently Asked Questions About Vanguard Institutional Index Plus
What is the historical SIP return of Vanguard Institutional Index Plus?
Based on the latest data, Vanguard Institutional Index Plus has delivered an annualized return (CAGR) of 22.85% over 3 years, 13.77% over 5 years, and 15.32% over 10 years. Experienced -33.8% drawdown in early 2020 and -23.9% in 2022.
How is Vanguard Institutional Index Plus SIP return calculated?
SIP returns are calculated using the XIRR (Extended Internal Rate of Return) method. Each monthly installment buys units at the fund's Net Asset Value (NAV) on that specific day. When markets are down, your SIP buys more units, and when markets are up, it buys fewer units (rupee cost averaging). Our calculator replays this exact process using historical NAV data to compute the precise current value of your accumulated units.
How much return would $500 monthly SIP in Vanguard Institutional Index Plus generate over 5 years?
At an estimated annual return rate of 13.77%, a monthly $500 investment ($30,000 total invested) would grow to approximately $43,321 in 5 years, yielding an estimated wealth gain of $13,321. Use our interactive calculator above to test custom amounts with actual historical NAV data.
What are the top holdings in Vanguard Institutional Index Plus?
Vanguard Institutional Index Plus's top holdings include Microsoft Corp. (MSFT), Apple Inc. (AAPL), NVIDIA Corp. (NVDA), and Amazon.com Inc. (AMZN). The fund's sector allocation is Information Technology 32.4%, Financials 12.8%, Healthcare 11.5%, Consumer Discretionary 10.1%, Communication Services 9.0%, Industrials 8.4%, Consumer Staples 5.8%, Energy 3.6%, Others 6.4%.
What is the risk profile of Vanguard Institutional Index Plus?
Standard deviation is ~15.0% over 3 years, exhibiting 1.00 beta to S&P 500. This fund may not be suitable for investors seeking fixed income stability or short-term horizons (<5 years)..
What are the tax implications of investing in Vanguard Institutional Index Plus?
Enjoys extreme tax efficiency through Vanguard's multiclass structure. Dividends are primarily qualified.
Data last updated: September 2026 | Fund data sourced from SEC filings and public exchanges
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