Actor Mark Wahlhberg has acquired a minority stake in popular Australian gym franchise F45 Training through his investment company, the Mark Wahlberg Investment Group.

F45 declined to share any figures on the investment amount but the deal values the gym at $US450 million ($634 million), according to The Age.

F45, which started in 2012, now has 1,500 high-intensity training studios around the world. The name F45 is an abbreviation of “functional team training for 45 minutes” and those that go to F45 sessions rotate through cardiovascular, strength and interval training.

“The founders of F45 Training have done an incredible job building a global brand, and with this partnership, we hope to continue disrupting the fitness industry,” said Wahlberg in a statement.

“The strength of F45 is that people of all fitness levels will find motivation and support in an F45 studio. We look forward to inspiring people all over the world to pursue their health and fitness goals by introducing them to F45.”

F45 CEO Rob Deutsch in a statement: “This is a monumental transaction for F45 Training.

“Wahlberg’s genuine passion for fitness, proven business acumen and shared vision for F45 Training made this an ideal fit for the company.”

Wahlberg is an Oscar-nominated actor and a renowned fitness fanatic. The star of films such as The Fighter and The Departed made headlines last year when he revealed he usually wakes up at 2.30am each day to start a work-out routine before 4.30am.

Wahlberg has also invested in running shoe resale startup StockX, water brand Aquahydrate, and supplement maker Performance Inspired Nutrition.

Business Insider Emails & Alerts Site highlights each day to your inbox. Email Address Join

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.