Vanguard Capital Management Acquires 5.34% Stake in Insmed Inc (INSM)

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, reporting a new 5.34% ownership stake in Insmed Inc (INSM). The filing indicates that as of March 31, 2026, Vanguard beneficially owns 11,514,893 shares of common stock. This position represents a significant increase from a previously reported 0.0% stake, crossing the 5% regulatory threshold. According to the filing, Vanguard Capital Management exercises sole dispositive power over all 11,514,893 shares, while holding sole voting power over 1,872,762 shares. The reported holdings include securities managed by various affiliates, such as Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. The filing was made under Rule 13d-1(b), certifying that the shares were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. No other single person or entity associated with this filing holds more than a 5% interest in the securities.