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Name

As of 06/01/2026

Price

Aum/Mkt Cap

YIELD

Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.

Exp Ratio

Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.

Watchlist

Vanguard Institutional Index Fund

VIIIX | Fund

$609.49

$342 B

1.06%

$6.46

0.02%

Vitals

YTD Return

11.6%

1 yr return

28.8%

3 Yr Avg Return

22.7%

5 Yr Avg Return

14.2%

Net Assets

$342 B

Holdings in Top 10

36.5%

52 WEEK LOW AND HIGH

$607.9
N/A
N/A

Expenses

OPERATING FEES

Expense Ratio 0.02%

SALES FEES

Front Load N/A

Deferred Load N/A

TRADING FEES

Turnover 3.00%

Redemption Fee N/A

Min Investment

Standard (Taxable)

$100,000,000

IRA

N/A

Fund Classification

Fund Type

Open End Mutual Fund

Name

As of 06/01/2026

Price

Aum/Mkt Cap

YIELD

Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.

Exp Ratio

Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.

Watchlist

Vanguard Institutional Index Fund

VIIIX | Fund

$609.49

$342 B

1.06%

$6.46

0.02%

VIIIX - Profile

Distributions

  • YTD Total Return 11.6%
  • 3 Yr Annualized Total Return 22.7%
  • 5 Yr Annualized Total Return 14.2%
  • Capital Gain Distribution Frequency Annually
  • Net Income Ratio 1.37%
DIVIDENDS
  • Dividend Yield 1.1%
  • Dividend Distribution Frequency Quarterly

Fund Details

  • Legal Name
    Vanguard Institutional Index Fund
  • Fund Family Name
    Vanguard
  • Inception Date
    Jul 15, 1997
  • Shares Outstanding
    N/A
  • Share Class
    Instl
  • Currency
    USD
  • Domiciled Country
    US
  • Manager
    Donald Butler

Fund Description

span style="font-family:Arial;font-size:9.5pt;"The Fund employs an indexing investment approach designed to track the performance of the Samp;P 500 Index (the “Target Index”), a widely recognized benchmark of U.S. stock market performance that is dominated by the stocks of large U.S. companies. Under normal circumstances, the Fund invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in the stocks that make up the Target Index. The Fund attempts to replicate the Target Index by investing all, or substantially all, of its assets in the stocks that make up the Target Index, holding each stock in approximately the same proportion as its weighting in the Target Index./spanspan style="font-family:Arial;font-size:9.5pt;line-height:10.5pt;"The Fund may become nondiversified, as defined under the Investment Company Act of 1940, solely as a result of tracking an index. This could occur due to events such as index rebalance or market movement. A nondiversified fund may invest a greater percentage of its assets in the securities of particular issuers as compared with diversified funds. In addition, the Fund could become concentrated in an industry or group of industries if the Target Index becomes concentrated due to market conditions or the performance of a single or related group of issuers./span
Read More

VIIIX - Performance

Return Ranking - Trailing

Period VIIIX Return Category Return Low Category Return High Rank in Category (%)
YTD 11.6% -13.2% 43.7% 20.18%
1 Yr 28.8% -15.7% 101.9% 30.57%
3 Yr 22.7%* 1.1% 41.0% 23.19%
5 Yr 14.2%* -3.9% 19.6% 12.31%
10 Yr 15.6%* 5.8% 55.9% 7.80%

* Annualized

Return Ranking - Calendar

Period VIIIX Return Category Return Low Category Return High Rank in Category (%)
2025 15.3% -25.2% 36.9% 15.33%
2024 21.7% -51.6% 37.0% 18.68%
2023 22.3% -15.6% 47.4% 31.54%
2022 -20.7% -56.3% 1.1% 45.68%
2021 22.4% -27.2% 537.8% 25.27%

Total Return Ranking - Trailing

Period VIIIX Return Category Return Low Category Return High Rank in Category (%)
YTD 11.6% -13.2% 43.7% 20.18%
1 Yr 28.8% -15.7% 101.9% 30.57%
3 Yr 22.7%* 1.1% 41.0% 23.19%
5 Yr 14.2%* -3.9% 19.6% 12.31%
10 Yr 15.6%* 5.8% 55.9% 7.80%

* Annualized

Total Return Ranking - Calendar

Period VIIIX Return Category Return Low Category Return High Rank in Category (%)
2025 17.9% -3.4% 43.4% 23.96%
2024 25.0% -20.1% 44.5% 20.18%
2023 26.3% 0.3% 47.4% 25.71%
2022 -18.1% -31.9% 11.0% 49.69%
2021 28.7% 4.1% 537.8% 22.28%

NAV & Total Return History

VIIIX - Holdings

Concentration Analysis

VIIIX Category Low Category High VIIIX % Rank
Net Assets 342 B 3.76 M 2.2 T 1.32%
Number of Holdings 517 2 3885 11.28%
Net Assets in Top 10 115 B 3.24 M 639 B 1.32%
Weighting of Top 10 36.47% 2.5% 102.7% 63.36%

Top 10 Holdings

  1. NVIDIA CORP 7.57%
  2. APPLE INC 6.66%
  3. MICROSOFT CORP 4.91%
  4. AMAZON.COM INC 3.64%
  5. ALPHABET INC-A 2.99%
  6. BROADCOM INC 2.62%
  7. ALPHABET INC-C 2.40%
  8. META PLATFORMS-A 2.24%
  9. TESLA INC 1.87%
  10. BERKSHIRE HATH-B 1.57%

Asset Allocation

Weighting Return Low Return High VIIIX % Rank
Stocks 		99.73% 0.00% 105.13% 20.00%
Cash 		0.27% 0.00% 69.97% 76.48%
Preferred Stocks 		0.00% 0.00% 5.74% 83.96%
Convertible Bonds 		0.00% 0.00% 5.54% 83.47%
Bonds 		0.00% 0.00% 136.21% 83.88%
Other 		0.00% -13.91% 100.00% 86.52%

Stock Sector Breakdown

Weighting Return Low Return High VIIIX % Rank
Technology 		24.46% 0.00% 48.94% 46.90%
Healthcare 		14.48% 0.00% 52.29% 46.63%
Financial Services 		13.39% 0.00% 55.59% 52.11%
Consumer Cyclical 		10.73% 0.00% 30.33% 49.78%
Communication Services 		8.81% 0.00% 27.94% 40.88%
Industrials 		8.22% 0.00% 29.90% 69.36%
Consumer Defense 		6.89% 0.00% 47.71% 49.42%
Energy 		4.80% 0.00% 41.64% 31.90%
Utilities 		2.98% 0.00% 15.25% 26.42%
Real Estate 		2.77% 0.00% 31.91% 50.04%
Basic Materials 		2.47% 0.00% 19.45% 53.46%

Stock Geographic Breakdown

Weighting Return Low Return High VIIIX % Rank
US 		99.73% 0.00% 101.31% 15.51%
Non US 		0.00% 0.00% 70.69% 85.29%

VIIIX - Expenses

Operational Fees

VIIIX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Expense Ratio 0.02% 0.01% 4.93% 99.47%
Management Fee 0.02% 0.00% 1.89% 3.27%
12b-1 Fee N/A 0.00% 1.00% N/A
Administrative Fee N/A 0.00% 0.85% N/A

Sales Fees

VIIIX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Front Load N/A 1.00% 5.75% N/A
Deferred Load N/A 1.00% 4.00% N/A

Trading Fees

VIIIX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Max Redemption Fee N/A 0.25% 2.00% N/A

Related Fees

Turnover provides investors a proxy for the trading fees incurred by mutual fund managers who frequently adjust position allocations. Higher turnover means higher trading fees.

VIIIX Fees (% of AUM) Category Return Low Category Return High Rank in Category (%)
Turnover 3.00% 0.00% 268.00% 5.15%

VIIIX - Distributions

Dividend Yield Analysis

VIIIX Category Low Category High VIIIX % Rank
Dividend Yield 1.06% 0.00% 25.47% 34.98%

Dividend Distribution Analysis

VIIIX Category Low Category High Category Mod
Dividend Distribution Frequency Quarterly Annual Quarterly Quarterly

Net Income Ratio Analysis

VIIIX Category Low Category High VIIIX % Rank
Net Income Ratio 1.37% -54.00% 2.44% 10.17%

Capital Gain Distribution Analysis

VIIIX Category Low Category High Capital Mode
Capital Gain Distribution Frequency Annually Annually Semi-Annually Annually

Distributions History

View More +

VIIIX - Fund Manager Analysis

Managers

Donald Butler

Start Date

Tenure

Tenure Rank

Dec 31, 2000

21.43

21.4%

Donald M. Butler, CFA, Principal of Vanguard. He has been with Vanguard since 1992; has managed investment portfolios since 1997; and has co-managed the Tax-Managed Capital Appreciation Fund, Tax-Managed Small-Cap Fund, and the stock portion of the Tax-Managed Balanced Fund since 2016. Education: B.S.B.A., Shippensburg University.

Michelle Louie

Start Date

Tenure

Tenure Rank

Nov 30, 2017

4.5

4.5%

Michelle Louie, CFA, Portfolio Manager at Vanguard. She has been with Vanguard since 2010, has worked in investment management since 2011. Education: B.S., The American University; M.B.A., Georgia Institute of Technology.

Tenure Analysis

Category Low Category High Category Average Category Mode
0.04 39.02 7.35 2.25

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