Insmed IncStrong uptake of newly approved lung-disease therapy Brinsupri, with projected 2026 sales of $1 billion, well ahead of expectations.

TimesSquare Capital Management's U.S. Mid Cap Growth Strategy added to its position in Insmed during the first quarter of 2026, citing strong uptake of the company's newly approved lung-disease therapy Brinsupri. The strategy noted that Brinsupri's launch is well ahead of expectations and remains the primary growth driver, with projected 2026 sales of $1 billion, while Arikayce sales came in below Street estimates. Insmed shares fell 6% in the quarter, closing at $106.62 on June 30 with a market capitalization of $23.11 billion. The strategy, which declined 7.72% net versus a 6.35% drop for the Russell Midcap Growth Index, continues to favor health care companies offering novel therapies for unmet needs.
Insmed IncStrong uptake of newly approved lung-disease therapy Brinsupri, with projected 2026 sales of $1 billion, well ahead of expectations.