Heartland says it's attracting more than $1 million of retail deposits per day.
The company was formed through the merger of Canterbury, Southern Cross Building Society and Marac Finance, and eventually plans to become a $2.2 billion bank.
In an update to the stock exchange, Heartland says it had $1.6 billion in retail deposits at the end of last month and that's growing by more than $1 million per day.
Its retail deposit reinvestment rates was 82% at the end of June, compared with an average of 77% for the year.
Heartland plans to buy PGG Wrightson Finance for $100 million, but the deal needs approval from the Crown, the finance company's security holders, its banks, and its trustee.
Shares in company, which was included in the NZX50 in June, were unchanged at 67 cents on Friday.
