Vanguard Capital Management Acquires 5.22% Stake in Innospec Inc (IOSP)

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, reporting a new 5.22% ownership stake in Innospec Inc (IOSP). As of the event date on March 31, 2026, Vanguard beneficially owns 1,300,194 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over the entire 1,300,194 shares, while maintaining sole voting power over 185,596 shares. This position represents a significant increase from a previous ownership level of 0.0%. The filing includes shares held by various Vanguard affiliates and business divisions, such as Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. The securities were acquired in the ordinary course of business and are not held for the purpose of influencing or changing the control of the issuer. No other single person's interest in these securities exceeds 5% of the total class. Innospec Inc is headquartered in Englewood, Colorado, and the shares are registered under the CUSIP 45768S105.