An 8-point jump in support for California Sen. Kamala Harris stands out in a new CNN Poll conducted by SSRS that shows a field of four in double digits in the race for the Democratic nomination for president.

Former Vice President Joe Biden (28%) and Vermont Sen. Bernie Sanders (20%) continue to hold the top slots in the large Democratic field. Harris now stands at 12% support among Democrats and Democratic-leaning independents, up from 4% in December, and the latest entrant to the field — former Texas congressman Beto O’Rourke — stands at 11%.

Harris’s rise comes across the board — there is no major demographic group in which she lost support since December — but her gains are more pronounced among Democrats (+10 points) than independents (+5), liberals (+10) more than moderates or conservatives (+7), women (+9) more than men (+6), and racial and ethnic minorities (+10) more than whites (+6).