ETFs · MMK

MMK

ETF

State Street Institutional Investment Trust State Street Prime

MMK is an ETF, not a company. An exchange-traded fund holds a basket of assets and trades like a stock. Follow it to get its news and alerts.

Last price

$100.07

Day change

+0.02%

1 year

+0.05%

Prices update once a day and are delayed. Updated 2026-11-06.