Vanguard Municipal Money Market Fund Investor (VMSXX)
1.00
0.00 (0.00%)
USD |
Sep 15 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.11% | 18.23B | -- | -- |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| 458.66M | 2.31% |
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 |
| Equity Style | -- |
| 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% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
36
-676.19M
Peer Group Low
259.38M
Peer Group High
1 Year
% Rank:
27
458.66M
-743.99M
Peer Group Low
2.152B
Peer Group High
3 Months
% Rank:
18
-225.61M
Peer Group Low
558.76M
Peer Group High
3 Years
% Rank:
77
-362.80M
Peer Group Low
4.227B
Peer Group High
6 Months
% Rank:
20
-449.80M
Peer Group Low
1.108B
Peer Group High
5 Years
% Rank:
62
-1.198B
Peer Group Low
9.189B
Peer Group High
YTD
% Rank:
93
-2.694B
Peer Group Low
780.71M
Peer Group High
10 Years
% Rank:
62
-13.60B
Peer Group Low
9.486B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of September 16, 2026.
Asset Allocation
As of July 31, 2026.
| Type | % Net |
|---|---|
| Cash | 1.54% |
| Stock | 0.02% |
| Bond | 95.21% |
| Convertible | 0.00% |
| Preferred | 3.24% |
| Other | 0.00% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
|
BlackRock Municipal 2030 Target Term Trust VRDP
|
1.20% | -- | -- |
| TEXAS ST TX 2.700 06/01/2054 | 1.09% | 100.00 | 0.00% |
| 04/01/2027 | 1.00% | -- | -- |
| BlackRock MuniHoldings California Quality Fund, Inc. ACKR11512 09/01/2054 FLT USD Corporate 144A | 0.94% | -- | -- |
| J P MORGAN CHASE PUTTERS / DRIVERS TR VAR STS 03/20/2027 | 0.85% | -- | -- |
| SOUTH DAKOTA ST HEALTH & EDL FACS AUTH REV SD 2.850 07/01/2055 | 0.81% | 100.10 | 0.00% |
| UNIVERSITY COLO HOSP AUTH REV CO 11/15/2046 | 0.80% | 100.00 | 0.00% |
| J P MORGAN CHASE PUTTERS / DRIVERS TR VAR STS 03/20/2027 | 0.75% | 100.00 | 0.00% |
| J P MORGAN CHASE PUTTERS / DRIVERS TR VAR STS 03/20/2027 | 0.74% | 100.00 | 0.00% |
| Nuveen Municipal Credit Income Fund NUVEMUAB UNKNOWN USD Corporate 144A | 0.70% | -- | -- |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.10% |
| Administration Fee | 15.73M None |
| 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 |
|
| Minimum Initial Investment | 3000.00 None |
| Minimum Subsequent Investment | 1.00 None |
TTM Distributions
| Type | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Qualified Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Normal
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Qualified
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
LT Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Ordinary Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Non-Qual
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ST Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Interest
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Tax-Exempt
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ROC
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Other
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Total
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
As of August 31, 2026.
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 |
| Equity Style | -- |
| 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% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (9-15-26) | 2.39% |
| 30-Day SEC Yield (9-30-23) | 3.91% |
| 7-Day SEC Yield (8-31-26) | 2.28% |
| Number of Holdings | 1160 |
| Bond | |
| Yield to Maturity (7-31-26) | -- |
| Effective Duration | -- |
| Average Coupon | -- |
| Calculated Average Quality | -- |
| Effective Maturity | -- |
| Nominal Maturity | -- |
| Number of Bond Holdings | 1136 |
As of July 31, 2026
Fund Details
| Key Dates | |
| Launch Date | 6/10/1980 |
| Last Annual Report Date | 10/31/2025 |
| Last Prospectus Date | 2/27/2026 |
| Attributes | |
| Index Fund | -- |
| Inverse Fund | No |
| Leveraged Fund | -- |
| Fund of Funds | No |
| Currency Hedged Fund | -- |
| Socially Responsible Fund | No |
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |