OMAHA, Neb. – Warren Buffett’s company has revealed new investments in retailer Dollar General and insurance data specialist Verisk Analytics along with several other adjustments in its $52.4 billion U.S. stock portfolio.

Investors will have to wait a while to see the complete picture of Berkshire Hathaway’s holdings, because the firm received permission from the Securities and Exchange Commission to keep some holdings confidential.

Berkshire said that at the end of June, it held 1.5 million Dollar General shares and 2.1 million shares of Verisk.