MYMXX - AB Fixed-Income Shares, Inc. - AB Government Money Market Portfolio
7-day yield, assets, and how it ranks - from the October 2026 month-end N-MFP filing.
Data: October 2026 month-end SEC filings
All figures are from the October 2026 month-end Form N-MFP filings (report date ) - money-market funds must file within five business days of month-end. Regulatory data, not live quotes.
- As of the Form N-MFP filing (October 2026 month-end), MYMXX (AB Fixed-Income Shares, Inc. - AB Government Money Market Portfolio) has a 7-day net yield of 3.75%.
- MYMXX's 7-day yield ranks #343 of 885 US money-market fund ticker share classes reporting a yield for October 2026.
- MYMXX is a Government money-market fund share class with $7.0B in net assets (#145 of 885 ticker classes by size).
- The fund's series-level 7-day gross yield was 3.96% - the 0.21-point gap to this class's net yield reflects fund expenses.
- At October 2026 month-end the fund's portfolio had a weighted average maturity (WAM) of 36 days and a weighted average life (WAL) of 102 days, with 59.4% of assets in daily liquid assets and 59.5% in weekly liquid assets (SEC minimums: 25% daily, 50% weekly).
- Twelve months earlier (October 2025) MYMXX's 7-day yield was 3.96% - it has moved down 0.21 points over the year.
- MYMXX's highest month-end 7-day yield in the SEC's structured data (since April 2016) is 5.28%, reported for August 2023.
Yield history
Portfolio (series level)
Other share classes of this fund
| Class | Ticker | 7-day yield | Net assets | Min. investment |
|---|---|---|---|---|
| A | AEAXX | 3.71% | $8.7B | $2,500 |
| 1 | AGRXX | 3.64% | $5.0B | $100,000 |
| Institutional Class | GMOXX | 3.74% | $2.2B | $20,000,000 |
| Advisor | AEYXX | 3.71% | $878.7M | None |
| I | AIEXX | 3.73% | $78.6M | None |
| C | AECXX | 3.71% | $17.4M | $2,500 |
Fund context & source
AB Fixed-Income Shares, Inc. - AB Government Money Market Portfolio is a series of AllianceBernstein Fixed Income Shares (SEC series ID S000011990). The whole series held $23.9B across all share classes at October 2026 month-end.
This page shows the class's month-end regulatory filing, not a live quote - 7-day yields move daily. For today's yield, check the fund company's website. Verify the filing itself on EDGAR: N-MFP filings for this series.
FAQ
What is MYMXX's 7-day yield?
As of the October 2026 month-end SEC Form N-MFP filing (October 30, 2026), MYMXX (AB Fixed-Income Shares, Inc. - AB Government Money Market Portfolio) has a 7-day net yield of 3.75%.
Is MYMXX a government money market fund?
Yes - MYMXX is classified as a Government money-market fund in its own October 2026 Form N-MFP filing.
What is the minimum initial investment for MYMXX?
MYMXX reports a minimum initial investment of None on its October 2026 Form N-MFP filing.