Vanguard Portfolio Management Discloses 6.19M-Share Stake in Ecovyst Inc
Jul 31, 2026
Vanguard Portfolio Management disclosed a 5.65% beneficial ownership stake in Ecovyst Inc, totaling 6,191,928 shares as of June 30, 2026. The Schedule 13G filing highlights Vanguard's significant passive investment in the specialty chemicals company.
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