Charles Djou continues to enjoy a fundraising spurt in the race to become mayor of Honolulu.

The former congressman received over $40,000 in campaign contributions since July 30, according to a Campaign Spending Commission filing Wednesday.

That compares with just over $10,000 for incumbent Kirk Caldwell during the same period.

Djou received contributions from 25 individuals or groups. Big spenders included heiress Abigail Kawananakoa and MacNaughton Group executive Eric Tema, who each gave $4,000.

Caldwell had seven contributions, including from city employees Jeanne Ishikawa ($1,500) and Sherilyn Kajiwara ($750). Ryan Kalei Tsuji’s RKT Media Hawaii provided production services valued at $1,500.

Former mayor Peter Carlisle received just two donations of $1,000 each.

For the entire election period, Caldwell has raised far more than Djou. But the challenger raised more than twice that of his two major opponents combined last month.

In related news, Caldwell held a fundraiser Monday at the Japanese Cultural Center of Hawaii. The suggested donation started at $75 and went as high as $1,500.

Djou held a fundraiser that same night at The Windsor Condominium and asked for $50 donations.

The candidate then held another fundraiser Wednesday at the Outrigger Canoe Club, where suggested donations were $1,000.