Cynthia Nixon was among several hundred people to protest Tuesday in Manhattan against corporate funding of private prisons.

Nixon blasted CoreCivic and Geo Group, which own a slew of private prisons around the world, for being “propped up” by financial institutions including JP Morgan Chase, BlackRock and Wells Fargo and profiting from incarcerated immigrants.

“Right now, our immigrants are under attack,” the Democratic gubernatorial candidate said. “This whole industry that is exploding right now is propped up by debt from these major banks and these major banks should not be investing in this human suffering.”

The May Day march — one of many scheduled across the nation Tuesday — was hosted by immigrant advocacy group Make the Road New York.

Nixon marched with the group along Broadway during the hour-long demonstration before ducking out just as they reached Wall Street.

The protesters chanted in English and Spanish and laid 22 silhouettes of humans on the ground to symbolize the 22 deaths that occurred in Immigration and Customs Enforcement custody in 2016 and 2017.