American Century Tax-Free Money Market Fund Inv (BNTXX)
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) |
|---|---|---|---|
| 0.49% | 151.11M | -- | -- |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| -13.02M | 2.00% |
Basic Info
| Investment Strategy | |
| The Fund seeks a high level of interest income exempt from Federal income tax as consistent with prudent investment management, while seeking to conserve shareholder capital. |
| 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 | American Century Investments |
| Broad Asset Class Benchmark Index | |
| ^BBUTB13MTR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
68
-676.19M
Peer Group Low
259.38M
Peer Group High
1 Year
% Rank:
67
-13.02M
-743.99M
Peer Group Low
2.152B
Peer Group High
3 Months
% Rank:
53
-225.61M
Peer Group Low
558.76M
Peer Group High
3 Years
% Rank:
75
-362.80M
Peer Group Low
4.227B
Peer Group High
6 Months
% Rank:
62
-449.80M
Peer Group Low
1.108B
Peer Group High
5 Years
% Rank:
77
-1.198B
Peer Group Low
9.189B
Peer Group High
YTD
% Rank:
56
-2.694B
Peer Group Low
780.71M
Peer Group High
10 Years
% Rank:
64
-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 June 30, 2026.
| Type | % Net |
|---|---|
| Cash | 3.11% |
| Stock | 0.00% |
| Bond | 96.51% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | 0.38% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
| DEUTSCHE BK SPEARS/LIFERS 3A-7 TENDER OPT BD TR VAR STS 08/01/2040 | 4.50% | 100.00 | 0.00% |
| ST PAUL MINN PORT AUTH MULTIFAMILY REV MN 2.750 02/01/2034 | 3.89% | 100.00 | 0.00% |
| ILLINOIS HSG DEV AUTH MULTI FAMILY REV IL 2.750 08/01/2042 | 2.88% | 100.00 | 0.00% |
| TENDER OPT BD TR RCPTS / CTFS VAR STS 09/01/2054 | 2.78% | 100.00 | 0.00% |
| SOUTH CAROLINA ST HSG FIN & DEV AUTH MULTIFAMILY REV SC 2.750 12/01/2058 | 2.70% | 100.00 | 0.00% |
|
Hillsborough County Florida 2.55% 13-AUG-2026
|
2.67% | -- | -- |
| LOUISIANA HSG FIN AGY MULTIFAMILY HSG REV LA 2.750 07/01/2040 | 2.62% | 100.00 | 0.00% |
| 12/01/2048 | 2.60% | -- | -- |
| LOUISIANA LOC GOVT ENVIRONMENTAL FACS & CMNTY DEV AUTH REV LA 3.100 12/01/2037 | 2.33% | 100.00 | 0.00% |
| 06/01/2053 | 2.22% | -- | -- |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.49% |
| Administration Fee | -- |
| 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 | 2500.00 None |
| Minimum Subsequent Investment | 50.00 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 a high level of interest income exempt from Federal income tax as consistent with prudent investment management, while seeking to conserve shareholder capital. |
| 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 | American Century Investments |
| Broad Asset Class Benchmark Index | |
| ^BBUTB13MTR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (9-15-26) | 2.07% |
| 30-Day SEC Yield (11-30-25) | 2.43% |
| 7-Day SEC Yield (7-31-26) | 2.01% |
| Number of Holdings | 92 |
| Bond | |
| Yield to Maturity (6-30-26) | -- |
| Effective Duration | -- |
| Average Coupon | -- |
| Calculated Average Quality | -- |
| Effective Maturity | -- |
| Nominal Maturity | -- |
| Number of Bond Holdings | 87 |
As of June 30, 2026
Fund Details
| Key Dates | |
| Launch Date | 8/1/1984 |
| Last Annual Report Date | 5/31/2026 |
| Last Prospectus Date | 10/1/2025 |
| 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% |