Max Martin and Shellback have sold a significant portion of their songwriting catalog, including publisher’s rights to selected tracks crafted by their Wolf Cousins collective.
- June 29, 2026
AceShowbiz - Max Martin and Shellback have sold a significant portion of their songwriting catalog, including publisher’s rights to selected tracks crafted by their Wolf Cousins collective. This major transaction transfers a rich trove of pop hits to HarbourView Equity Partners, marking a notable moment in music publishing.
The catalog features chart-topping songs performed by artists such as Taylor Swift, Ariana Grande, The Weeknd, Imagine Dragons, and Ellie Goulding. Among the standouts are Swift’s “Style” and “…Ready For It?”, Grande’s “Problem” and “Into You,” and key cuts from The Weeknd. HarbourView, which has amassed a portfolio of over 70 music catalogs including those of Quincy Jones and Kelly Clarkson, partnered with the producers for this deal. Warner Chappell will remain responsible for the catalog’s administration. Although financial terms have not been disclosed, the sale is estimated to be valued in the low nine-figure range.
Max Martin and Shellback shared that their Wolf Cousins collective was founded to promote collaboration, mentorship, and creative development among songwriters and producers. They expressed confidence in HarbourView as a long-term partner due to the company’s respect for creative talent. HarbourView’s CEO emphasized the firm’s commitment to investing in culturally significant intellectual property and acknowledged Max Martin and Shellback as leading hitmakers of the modern era.
Taylor Swift has a long-standing working relationship with Max Martin and Shellback, who co-produced and co-wrote ten songs on her pivotal album 1989 and have collaborated with her on multiple projects including Red and Reputation. The trio is also behind Swift’s upcoming twelfth studio album, The Life Of A Showgirl, where they are the sole collaborators on songwriting and production, signaling a deliberate return to a classic pop sound. Swift has publicly recognized Martin and Shellback as mentors and praised their creative partnership, highlighting their influence on her music.
This sale underscores the increasing value of music catalogs as assets and reflects the enduring impact of Max Martin and Shellback in shaping contemporary pop music. Their extensive catalog not only chronicles decades of chart success but also continues to shape the sound of today’s biggest artists, securing their legacy in the industry’s evolving landscape.