State Street Prime Money Market ETF (MMK)
About this ETF
MMK seeks to maximize current income while maintaining capital preservation and liquidity by broadly investing in money market instruments. The actively managed fund employs its credit research team to assess the relative attractiveness of instruments based on the general interest rates and market supply/demand imbalances. The fund invests in US government securities (T-bills, notes, and bonds), USD-denominated certificates of deposit and time deposits from banks, US and non-US commercial paper, high-quality company obligations, asset-backed and mortgage-related securities, and repurchase agreements. The fund invests in low-risk, high-quality debt with maturities of 397 days or less, targeting a dollar-weighted average maturity of no more than 60 days and a dollar-weighted average life of 120 days or less. The fund typically invests over…
Price
Top 10 holdings
| US DOLLAR | 26.93% |
| VERTO CAP I COMPARTMENT 07/26 ZCP | 2.19% |
| CANADIAN IMPERIAL BK 07/26 FIXED 3.64 | 1.82% |
| ANGLESEA FDG PLC + ANG | 1.82% |
| BARCLAYS BANK UK | 1.82% |
| TREASURY BILL | 1.81% |
| MACKINAC FUNDING | 1.45% |
| NORDEA BANK ABP | 1.28% |
| HSBC BANK PLC | 1.28% |
| BARCLAYS BK PLC NEW YORK BRH I 09/26 FIXED 4.1 | 1.28% |
Sector mix
Price chart
Returns
| 1 month | +0.03% |
| 3 months | +0.01% |
| 6 months | — |
| Year to date | — |
| 1 year | — |
| 3 years (ann.) | — |
| 5 years (ann.) | — |
| 10 years (ann.) | — |
Risk profile
| Volatility (1y, ann.) | — |
| Sharpe (1y) | — |
| Sharpe (3y) | — |
| Sortino (1y) | — |
| Max drawdown (1y) | — |
| Max drawdown (5y) | — |
| Max drawdown (full) | -0.32% |
| Beta vs S&P 500 (1y) | 0.00 |
| Correlation vs S&P 500 (1y) | -0.04 |
Technical outlook not available yet — this fund does not have enough price history for the statistical models.
Full holdings
| Constituent | ISIN | Market value | Weight |
|---|---|---|---|
| Loading… | |||
Sector breakdown
Geographic exposure
Cost vs. peers
Comparison universe: 102 funds of the same asset class.
Cost impact calculator
Dividend history
Distributing share class Income is paid out to shareholders.
| Ex-date | Payment | Amount |
|---|---|---|
| 2026-07-01 | 2026-07-07 | USD 0.2881 |
| 2026-06-01 | 2026-06-04 | USD 0.3063 |
| 2026-05-01 | 2026-05-06 | USD 0.2979 |
| 2026-04-01 | 2026-04-06 | USD 0.3070 |
| 2026-03-02 | 2026-03-05 | USD 0.1780 |
ESG profile
No ESG estimate available: none of the scored universe overlaps this portfolio (typical for bond, commodity or synthetic funds).
Scored coverage: 0.0% of the portfolio by weight.
Similar ETFs
| Fund | TER | AUM (USD) | Yield (TTM) | Return 1y | Sharpe 1y |
|---|---|---|---|---|---|
| ProShares - GENIUS Money Market ETF IQMM | 0.15% | 20.33B | 1.28% | — | — |
| First Trust Enhanced Short Maturity ETF FTSM | 0.29% | 6.50B | 4.14% | -0.18% | -0.15 |
| Direxion Daily MU Bull 2X ETF MUU | 1.01% | 6.00B | 1.00% | +2,707.12% | 2.96 |
| CI High Interest Savings ETF CSAV.TO | 0.15% | 3.22B | 2.19% | 0.00% | 0.00 |
| Fidelity US Quality Income UCITS ETF ACC-GBP (hedged) FUSP.L | 0.30% | 2.68B | — | +20.04% | 1.78 |
| Fidelity US Quality Income UCITS ETF EUR Hedged Acc FUSU.DE | 0.30% | 2.28B | — | +17.51% | 1.57 |
| Purpose Cash Management Fund MNY.TO | 0.20% | 2.05B | 2.54% | 0.00% | 0.00 |
| Fidelity US Quality Income UCITS ETF Acc FUSA.L | 0.25% | 2.00B | — | +20.58% | 1.78 |
| Fidelity US Quality Income UCITS ETF INC-USD FUSD.L | 0.25% | 2.00B | 1.40% | +18.69% | 1.67 |
| Fidelity US Quality Income UCITS ETF INC-USD FUSI.L | 0.25% | 2.00B | 1.41% | +19.39% | 1.90 |
Cheaper alternatives
No fund of the class reaches 60% portfolio overlap — showing the cheapest funds of the class instead.
| Fund | TER | AUM (USD) | Overlap |
|---|---|---|---|
| Mirae Asset Nifty Next 50 ETF NEXT50.BO | 0.06% | 135.86M | 0.0% |
| Mirae Asset Nifty Midcap 150 ETF MIDCAPETF.BO | 0.06% | 184.88M | 0.0% |
| iShares Core Cash ETF BILL.AX | 0.07% | 822.15M | 0.0% |
| Global X - NYSE 100 ETF NYSX | 0.09% | 29.21M | 0.0% |
| Mirae Asset Nifty IT ETF ITETF.BO | 0.11% | 10.13M | 0.0% |

MSCI World Index (MSC)
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FTSE China A50 Index (FGI)
STOXX Europe 600 (SIX)
Nikkei 300 (OSA)
NIFTY 50 (NSE)
DAX Performance Index (XETRA)
FTSE 100 (FGI)
CAC 40 (EURONEXT)
