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State Street Money Market Fund Yields

Latest rate data:

Money Market Funds

3.87%

30-day SEC yield

Expense Ratio
0.14%
Minimum Investment
Share price / broker rules
Observed change
+0.28 pp
Rate date
Nov 14
Rate details & state tax
Last checked
Nov 14, 2026
Last attempt
Nov 14, 2026

U.S. government income: 97.26%. State Street 2025 tax report

Meets the California, Connecticut and New York fund thresholds. State rules apply.

Rate history
Last observed SEC yield 3.87% on Nov 14, 2026; up 0.28 percentage points since Sep 29, 2026.
3.25%3.50%3.75%4.00%4.25%Sep 29Oct 14Oct 30Nov 14