Large Blend (US)

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

Interactive Calculator

Calculate Vanguard Institutional Index Plus Returns

$
Historical 5Y: 13.77%
%
Yrs
Annual Step-Up (% top-up per year)Increase SIP amount each year as income grows
Projected Corpus Value

$0

Total Amount Invested$0
Est. Wealth Gain+$0
Growth Multiplier1.00x
Invested: 50%Returns: 50%
Run Full Historical NAV Backtest →

Calculations use compound annual growth formula. Past performance does not guarantee future results.

Vanguard Institutional Index Plus Historical SIP Performance & Returns Table

Historical value of standard monthly SIP investments based on actual fund CAGRs.

Uses Real Historical CAGR
Monthly SIP3 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 — 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.

Similar Funds to Consider

Or compare side by side using our main SIP calculator — 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 — Plan your retirement corpus with Vanguard Institutional Index Plus as part of your portfolio
  • Cost of Delay Calculator — See how much delaying your SIP in Vanguard Institutional Index Plus could cost you
  • SIP vs EMI Calculator — 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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