Clearlake Capital Group is nearing an acquisition of Dun & Bradstreet Holdings Inc. in a deal that would value one of Wall Street’s oldest data and analytics providers at about $4 billion, people familiar with the matter said.

Clearlake Capital Group has agreed to acquire Dun & Bradstreet Holdings Inc. in a deal that values one of Wall Street’s oldest data and analytics providers at $4.1 billion.Most Read from BloombergThey Built a Secret Apartment in a Mall.

Dun & Bradstreet has agreed to be acquired by private equity firm Clearlake Capital in a $7.7 billion deal, the data and analytics provider said on Monday, sending its shares up about 3% in premarket trading.