State Street Prime Money Market ETF MMK
Source: Yahoo Finance (opens in a new tab) Observed · 1 day ago Quotes may be delayed
- Expense ratio
- 0.18%
- Net assets
- Unavailable
- Holdings
- Holdings unavailable
- 12-month distribution yield
- 2.30%
- Asset class
- Not classified
State Street Prime Money Market ETF (MMK) is an exchange-traded fund listed on the New York Stock Exchange in the United States, issued by State Street. Its last price was US$100.20 on 20 Oct 2026. Its expense ratio is 0.18% a year, from its prospectus dated 5 Feb 2026. Over the last 12 months it paid distributions of US$2.31 a unit, a 12-month distribution yield of 2.30%, paid monthly.
Fees
- Total annual operating expenses (gross)
- 0.18%
- Net, after fee waivers or reimbursements
- No waiver stated
- Management fee
- 0.18%
- Prospectus date
- 5 Feb 2026
- Filed with the SEC
- 5 Feb 2026
Size and reporting
- Net assets
- Unavailable
- Total assets
- Unavailable
- Holdings as of
- No report
- Report made public
- No report
Top holdings
Holdings are not available for this fund
Breakdowns
Sums of reported weights over every position in the report. Totals can differ from 100% because of derivatives, borrowing and cash.
Breakdowns are not available
Distributions
- Paid in the last 12 months
- $2.3050
- 12-month yield
- 2.30%
- Frequency
- Monthly
- Latest ex-date
- 1 Oct 2026
12-month yield = distributions per unit with an ex-date in the last 12 months ($2.3050) ÷ latest price ($100.20) × 100 = 2.30%. It looks back, so it is not a forecast; special distributions in the window are included.
Why a distribution yield is not the fund's return: yield vs total return
Distribution history table (8 payments)
| Ex-date | Amount per unit |
|---|---|
| 1 Oct 2026 | $0.3110 |
| 1 Sep 2026 | $0.3100 |
| 3 Aug 2026 | $0.3070 |
| 1 Jul 2026 | $0.2880 |
| 1 Jun 2026 | $0.3060 |
| 1 May 2026 | $0.2980 |
| 1 Apr 2026 | $0.3070 |
| 2 Mar 2026 | $0.1780 |