The Republican and Democratic presidential races appears to have stabilized, according to a new online poll, with Donald Trump and Hillary Clinton entrenched atop their respective fields nationally.

{mosads}Trump holds 38 percent support among Republican and Republican-leaning voters in an NBC/SurveyMonkey weekly online tracking poll released Tuesday morning. He’s followed by Ted Cruz, with 21 percent, and Marco Rubio, with 11 percent. Ben Carson has 8 percent. No other Republican candidate has more than 4 percent support.

On the Democratic side, Clinton leads Bernie Sanders by 16 points nationally, 52 to 36 percent. Martin O’Malley has 1 percent support.

The results for both parties are unchanged from last week.

The online poll of 10,320 registered voters was conducted Jan. 11–17.