Returns Chart

Vanguard Municipal Money Market Fund Investor (VMSXX) Total Return
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Created with Highcharts 11.1.0Jan '25Apr '25Jul '25Oct '250.00%2.65%

Key Stats

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Net Expense Ratio Total Assets Under Management Weighted Average Dividend Yield Turnover Ratio (Generic)
0.11% 17.80B -- --
1 Year Fund Level Flows 1 Year Total Returns (Daily) Annualized Total Returns Since Inception (Daily) Max Drawdown (Since Inception)
-653.50M 2.65% Upgrade Upgrade

Basic Info

Investment Strategy
The Fund seeks to provide current income that is exempt from federal personal income taxes while maintaining liquidity and a stable share price of $1. The Fund invests in securities with effective maturities of 397 days or less, maintains a dollar-weighted average maturity of 60 days or less.
General
Security Type Money Market Fund
Broad Asset Class Money Market
Broad Category Capital Preservation
Global Peer Group Bond USD Tax Exempt Money Market
Peer Group Tax-Exempt Money Market Funds
Global Macro Bond HC
US Macro Tax-Exempt Money Market Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Tax-Exempt Money Market Funds
Fund Owner Firm Name Vanguard
Broad Asset Class Benchmark Index
^BBUTB13MTR 100.0%

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Net Fund Flows Versus Peer Group

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1M
3M
6M
YTD
1Y
3Y
5Y
10Y
 
80.00B
60.00B
40.00B
20.00B
0
-20.00B
1 Month
% Rank: 35
-15.15M Peer Group Low
1.163B Peer Group High
1 Year
% Rank: 100
-653.50M
-653.50M Peer Group Low
1.418B Peer Group High
3 Months
% Rank: 100
-32.67M Peer Group Low
1.767B Peer Group High
3 Years
% Rank: 99
-402.16M Peer Group Low
4.558B Peer Group High
6 Months
% Rank: 100
-1.349B Peer Group Low
727.16M Peer Group High
5 Years
% Rank: 99
-1.617B Peer Group Low
5.297B Peer Group High
YTD
% Rank: 100
-920.77M Peer Group Low
1.320B Peer Group High
10 Years
% Rank: 76
-24.47B Peer Group Low
7.994B Peer Group High
Date Unavailable

Performance Versus Peer Group

 
20%
15%
10%
5%
0
Name
1M
3M
YTD
1Y
3Y
5Y
10Y
15Y
Total Return (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
Peer Group Rtn. (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
% Rank in Peer Group (NAV)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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Annual Total Returns Versus Peers

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Name
2018
2019
2020
2021
2022
2023
2024
YTD
1.31%
1.40%
0.50%
0.02%
1.06%
3.25%
3.29%
2.42%
1.82%
2.21%
0.54%
0.04%
1.52%
5.14%
5.32%
4.00%
1.14%
1.20%
0.35%
0.02%
1.05%
3.02%
2.98%
2.24%
1.25%
1.19%
0.34%
0.02%
0.91%
3.11%
2.97%
2.23%
0.77%
0.85%
0.27%
0.01%
0.72%
2.92%
3.01%
2.08%
0.84%
0.94%
0.32%
0.01%
0.78%
2.73%
2.73%
1.95%
As of December 05, 2025.

Fundamentals

General
Distribution Yield --
Dividend Yield TTM (12-4-25) 2.64%
30-Day SEC Yield (9-30-23) 3.91%
7-Day SEC Yield (10-31-25) 3.09%
Number of Holdings 1054
Bond
Yield to Maturity (10-31-25) --
Effective Duration --
Average Coupon --
Calculated Average Quality --
Effective Maturity --
Nominal Maturity --
Number of Bond Holdings 1042
As of October 31, 2025

Asset Allocation

Created with Highcharts 11.1.0
As of October 31, 2025.
Type % Net
Cash 0.56%
Stock 0.00%
Bond 96.01%
Convertible 0.00%
Preferred 3.38%
Other 0.04%
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Fees & Availability

Fees
Actual 12B-1 Fee --
Actual Management Fee 0.10%
Administration Fee 20.92M%
Maximum Front Load --
Maximum Deferred Load --
Maximum Redemption Fee --
General Availability
Available for Insurance Product No
Available for RRSP No
Purchase Details
Open to New Investors Yes
Minimum Initial Investment 3000.00 None
Minimum Subsequent Investment 1.00 None

Basic Info

Investment Strategy
The Fund seeks to provide current income that is exempt from federal personal income taxes while maintaining liquidity and a stable share price of $1. The Fund invests in securities with effective maturities of 397 days or less, maintains a dollar-weighted average maturity of 60 days or less.
General
Security Type Money Market Fund
Broad Asset Class Money Market
Broad Category Capital Preservation
Global Peer Group Bond USD Tax Exempt Money Market
Peer Group Tax-Exempt Money Market Funds
Global Macro Bond HC
US Macro Tax-Exempt Money Market Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Tax-Exempt Money Market Funds
Fund Owner Firm Name Vanguard
Broad Asset Class Benchmark Index
^BBUTB13MTR 100.0%

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Fundamentals

General
Distribution Yield --
Dividend Yield TTM (12-4-25) 2.64%
30-Day SEC Yield (9-30-23) 3.91%
7-Day SEC Yield (10-31-25) 3.09%
Number of Holdings 1054
Bond
Yield to Maturity (10-31-25) --
Effective Duration --
Average Coupon --
Calculated Average Quality --
Effective Maturity --
Nominal Maturity --
Number of Bond Holdings 1042
As of October 31, 2025

Fund Details

Key Dates
Inception Date --
Last Annual Report Date 10/31/2024
Last Prospectus Date 2/28/2025
Attributes
Index Fund --
Inverse Fund No
Leveraged Fund --
Fund of Funds No
Currency Hedged Fund --
Synthetic Replication Fund No

Top Portfolio Holders

Name % Weight
Portfolio A 5.00%
Portfolio B 3.50%
Portfolio C 2.25%
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Quickflows
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