U.S. Sen. Brian Schatz raised $911,000 in the last quarter for his Democratic primary for Senate against U.S. Rep. Colleen Hanabusa, according to his campaign.

Schatz has raised $2 million overall.

Hanabusa has not yet released her quarterly fundraising figure, the first since she formally announced in May that she would challenge Schatz.

Schatz had collected more than $1.1 million in his first quarter of fundraising, a strong opening for the appointed senator.

"I’m humbled by the strong support that our campaign has received in the last six months," Schatz said in a statement. "Together we can create new jobs, grow our clean energy economy, and build a brighter future for the families of Hawaii. I will keep working every day in the Senate to accomplish these goals and represent our Hawaii values."

Schatz was appointed in December to replace the late U.S. Sen. Daniel Inouye.

The election next year is for the remainder of Inouye’s six-year term, which runs through 2016.