Lowe’s has been helping Bill Ackman rebuild his investment portfolio.

Shares of the home-improvement retailer soared nearly 6 percent to $105.55 Wednesday on strong quarterly earnings. The jump was gravy to Ackman, who last week boasted on a call with investors that his Pershing Square hedge fund had gained 15 percent on its investment in Lowe’s.

Pershing Square, which manages roughly $8 billion, is up 15.8 percent through Wednesday, according to an investor update.

The gains are a welcome reprieve for Ackman. Pershing had managed $20 billion in July 2015, only see assets plunge following a disastrous investment in Valeant Pharmaceuticals — now called Bausch Health — and a losing $1 billion short bet against Herbalife.

With recent gains in other Pershing Square holdings, Automatic Data Processing and Chipotle Mexican Grill —up 22.3 percent and 81.5 percent this year, respectively — Ackman appears to be getting back some of his long-lost mojo.

“You own this company for the changes that are going to be made to make the business more successful in the future,” Ackman said of his Lowe’s stake last week, noting that his team would not be focusing too much on this week’s earnings results.

Ackman revealed his $1 billion position in Lowe’s in May — just one day after the company announced that Marvin Ellison would be joining as chief executive in July after being wooed away from the same post at JCPenney.

Lowe’s announced a 5.2 percent jump in same-store sales over the last year. The retailer also announced plans to shutter all 99 of Orchard Supply Hardware stores, resulting in lowered profit forecasts for the rest of the year.

“While it was a necessary business decision to exit Orchard Supply Hardware, decisions that impact our people are never easy,” Ellison said in prepared remarks.